* [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-06-10 7:55 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-06-10 7:55 UTC (permalink / raw)
To: jani.nikula
Cc: Kai-Heng Feng, Joonas Lahtinen, Rodrigo Vivi, David Airlie,
Daniel Vetter, Ville Syrjälä,
José Roberto de Souza, Imre Deak, Lucas De Marchi,
Manasi Navare, Chris Wilson, Gwan-gyeong Mun, Ramalingam C,
Uma Shankar, Maarten Lankhorst, intel-gfx, open list:DRM DRIVERS,
open list
On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
becomes useless and never responds to cable hotplugging:
[ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
Seems like the lspcon chip on the system only gets powered after the
cable is plugged.
Consilidate lspcon_init() into lspcon_resume() to dynamically init
lspcon chip, and make HDMI port work.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
v6:
- Rebase on latest for-linux-next.
v5:
- Consolidate lspcon_resume() with lspcon_init().
- Move more logic into lspcon code.
v4:
- Trust VBT in intel_infoframe_init().
- Init lspcon in intel_dp_detect().
v3:
- Make sure it's handled under long HPD case.
v2:
- Move lspcon_init() inside of intel_dp_hpd_pulse().
drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
5 files changed, 43 insertions(+), 55 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index aa22465bb56e..af755b1aa24b 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
{
struct intel_digital_port *intel_dig_port;
struct intel_encoder *encoder;
- bool init_hdmi, init_dp, init_lspcon = false;
+ bool init_hdmi, init_dp;
enum phy phy = intel_port_to_phy(dev_priv, port);
init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
@@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
* is initialized before lspcon.
*/
init_dp = true;
- init_lspcon = true;
init_hdmi = false;
drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
port_name(port));
@@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
goto err;
}
- if (init_lspcon) {
- if (lspcon_init(intel_dig_port))
- /* TODO: handle hdmi info frame part */
- drm_dbg_kms(&dev_priv->drm,
- "LSPCON init success on port %c\n",
- port_name(port));
- else
- /*
- * LSPCON init faied, but DP init was success, so
- * lets try to drive as DP++ port.
- */
- drm_err(&dev_priv->drm,
- "LSPCON init failed on port %c\n",
- port_name(port));
- }
-
if (INTEL_GEN(dev_priv) >= 11) {
if (intel_phy_is_tc(dev_priv, phy))
intel_dig_port->connected = intel_tc_port_connected;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index ed9e53c373a7..398a104158a8 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5962,15 +5962,14 @@ static enum drm_connector_status
intel_dp_detect_dpcd(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
u8 *dpcd = intel_dp->dpcd;
u8 type;
if (WARN_ON(intel_dp_is_edp(intel_dp)))
return connector_status_connected;
- if (lspcon->active)
- lspcon_resume(lspcon);
+ lspcon_resume(dig_port);
if (!intel_dp_get_dpcd(intel_dp))
return connector_status_disconnected;
@@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->dev);
struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
- struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
intel_wakeref_t wakeref;
if (!HAS_DDI(dev_priv))
intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
- if (lspcon->active)
- lspcon_resume(lspcon);
+ lspcon_resume(dig_port);
intel_dp->reset_link_params = true;
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 010f37240710..643ad2127931 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
intel_dig_port->set_infoframes = g4x_set_infoframes;
intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
} else if (HAS_DDI(dev_priv)) {
- if (intel_dig_port->lspcon.active) {
+ if (intel_bios_is_lspcon_present(dev_priv,
+ intel_dig_port->base.port)) {
intel_dig_port->write_infoframe = lspcon_write_infoframe;
intel_dig_port->read_infoframe = lspcon_read_infoframe;
intel_dig_port->set_infoframes = lspcon_set_infoframes;
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index 6ff7b226f0a1..e3dde4c25604 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
return 0;
}
-void lspcon_resume(struct intel_lspcon *lspcon)
-{
- enum drm_lspcon_mode expected_mode;
-
- if (lspcon_wake_native_aux_ch(lspcon)) {
- expected_mode = DRM_LSPCON_MODE_PCON;
- lspcon_resume_in_pcon_wa(lspcon);
- } else {
- expected_mode = DRM_LSPCON_MODE_LS;
- }
-
- if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
- return;
-
- if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
- DRM_ERROR("LSPCON resume failed\n");
- else
- DRM_DEBUG_KMS("LSPCON resume success\n");
-}
-
void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
{
lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
}
-bool lspcon_init(struct intel_digital_port *intel_dig_port)
+static bool lspcon_init(struct intel_digital_port *intel_dig_port)
{
struct intel_dp *dp = &intel_dig_port->dp;
struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
- struct drm_device *dev = intel_dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_connector *connector = &dp->attached_connector->base;
- if (!HAS_LSPCON(dev_priv)) {
- DRM_ERROR("LSPCON is not supported on this platform\n");
- return false;
- }
-
lspcon->active = false;
lspcon->mode = DRM_LSPCON_MODE_INVALID;
@@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
DRM_DEBUG_KMS("Success: LSPCON init\n");
return true;
}
+
+void lspcon_resume(struct intel_digital_port *intel_dig_port)
+{
+ struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
+ struct drm_device *dev = intel_dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ enum drm_lspcon_mode expected_mode;
+
+ if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
+ return;
+
+ if (!lspcon->active) {
+ if (!lspcon_init(intel_dig_port)) {
+ DRM_ERROR("LSPCON init failed on port %c\n",
+ port_name(intel_dig_port->base.port));
+ return;
+ }
+ }
+
+ if (lspcon_wake_native_aux_ch(lspcon)) {
+ expected_mode = DRM_LSPCON_MODE_PCON;
+ lspcon_resume_in_pcon_wa(lspcon);
+ } else {
+ expected_mode = DRM_LSPCON_MODE_LS;
+ }
+
+ if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
+ return;
+
+ if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
+ DRM_ERROR("LSPCON resume failed\n");
+ else
+ DRM_DEBUG_KMS("LSPCON resume success\n");
+}
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
index 37cfddf8a9c5..169db35db13e 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.h
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
@@ -15,8 +15,7 @@ struct intel_digital_port;
struct intel_encoder;
struct intel_lspcon;
-bool lspcon_init(struct intel_digital_port *intel_dig_port);
-void lspcon_resume(struct intel_lspcon *lspcon);
+void lspcon_resume(struct intel_digital_port *intel_dig_port);
void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
void lspcon_write_infoframe(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
--
2.17.1
^ permalink raw reply related [flat|nested] 17+ messages in thread
* [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-06-10 7:55 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-06-10 7:55 UTC (permalink / raw)
To: jani.nikula
Cc: David Airlie, Lucas De Marchi, open list,
José Roberto de Souza, Chris Wilson, Manasi Navare,
Kai-Heng Feng, open list:DRM DRIVERS, Rodrigo Vivi,
Gwan-gyeong Mun, intel-gfx, Uma Shankar
On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
becomes useless and never responds to cable hotplugging:
[ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
Seems like the lspcon chip on the system only gets powered after the
cable is plugged.
Consilidate lspcon_init() into lspcon_resume() to dynamically init
lspcon chip, and make HDMI port work.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
v6:
- Rebase on latest for-linux-next.
v5:
- Consolidate lspcon_resume() with lspcon_init().
- Move more logic into lspcon code.
v4:
- Trust VBT in intel_infoframe_init().
- Init lspcon in intel_dp_detect().
v3:
- Make sure it's handled under long HPD case.
v2:
- Move lspcon_init() inside of intel_dp_hpd_pulse().
drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
5 files changed, 43 insertions(+), 55 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index aa22465bb56e..af755b1aa24b 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
{
struct intel_digital_port *intel_dig_port;
struct intel_encoder *encoder;
- bool init_hdmi, init_dp, init_lspcon = false;
+ bool init_hdmi, init_dp;
enum phy phy = intel_port_to_phy(dev_priv, port);
init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
@@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
* is initialized before lspcon.
*/
init_dp = true;
- init_lspcon = true;
init_hdmi = false;
drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
port_name(port));
@@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
goto err;
}
- if (init_lspcon) {
- if (lspcon_init(intel_dig_port))
- /* TODO: handle hdmi info frame part */
- drm_dbg_kms(&dev_priv->drm,
- "LSPCON init success on port %c\n",
- port_name(port));
- else
- /*
- * LSPCON init faied, but DP init was success, so
- * lets try to drive as DP++ port.
- */
- drm_err(&dev_priv->drm,
- "LSPCON init failed on port %c\n",
- port_name(port));
- }
-
if (INTEL_GEN(dev_priv) >= 11) {
if (intel_phy_is_tc(dev_priv, phy))
intel_dig_port->connected = intel_tc_port_connected;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index ed9e53c373a7..398a104158a8 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5962,15 +5962,14 @@ static enum drm_connector_status
intel_dp_detect_dpcd(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
u8 *dpcd = intel_dp->dpcd;
u8 type;
if (WARN_ON(intel_dp_is_edp(intel_dp)))
return connector_status_connected;
- if (lspcon->active)
- lspcon_resume(lspcon);
+ lspcon_resume(dig_port);
if (!intel_dp_get_dpcd(intel_dp))
return connector_status_disconnected;
@@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->dev);
struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
- struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
intel_wakeref_t wakeref;
if (!HAS_DDI(dev_priv))
intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
- if (lspcon->active)
- lspcon_resume(lspcon);
+ lspcon_resume(dig_port);
intel_dp->reset_link_params = true;
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 010f37240710..643ad2127931 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
intel_dig_port->set_infoframes = g4x_set_infoframes;
intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
} else if (HAS_DDI(dev_priv)) {
- if (intel_dig_port->lspcon.active) {
+ if (intel_bios_is_lspcon_present(dev_priv,
+ intel_dig_port->base.port)) {
intel_dig_port->write_infoframe = lspcon_write_infoframe;
intel_dig_port->read_infoframe = lspcon_read_infoframe;
intel_dig_port->set_infoframes = lspcon_set_infoframes;
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index 6ff7b226f0a1..e3dde4c25604 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
return 0;
}
-void lspcon_resume(struct intel_lspcon *lspcon)
-{
- enum drm_lspcon_mode expected_mode;
-
- if (lspcon_wake_native_aux_ch(lspcon)) {
- expected_mode = DRM_LSPCON_MODE_PCON;
- lspcon_resume_in_pcon_wa(lspcon);
- } else {
- expected_mode = DRM_LSPCON_MODE_LS;
- }
-
- if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
- return;
-
- if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
- DRM_ERROR("LSPCON resume failed\n");
- else
- DRM_DEBUG_KMS("LSPCON resume success\n");
-}
-
void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
{
lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
}
-bool lspcon_init(struct intel_digital_port *intel_dig_port)
+static bool lspcon_init(struct intel_digital_port *intel_dig_port)
{
struct intel_dp *dp = &intel_dig_port->dp;
struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
- struct drm_device *dev = intel_dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_connector *connector = &dp->attached_connector->base;
- if (!HAS_LSPCON(dev_priv)) {
- DRM_ERROR("LSPCON is not supported on this platform\n");
- return false;
- }
-
lspcon->active = false;
lspcon->mode = DRM_LSPCON_MODE_INVALID;
@@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
DRM_DEBUG_KMS("Success: LSPCON init\n");
return true;
}
+
+void lspcon_resume(struct intel_digital_port *intel_dig_port)
+{
+ struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
+ struct drm_device *dev = intel_dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ enum drm_lspcon_mode expected_mode;
+
+ if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
+ return;
+
+ if (!lspcon->active) {
+ if (!lspcon_init(intel_dig_port)) {
+ DRM_ERROR("LSPCON init failed on port %c\n",
+ port_name(intel_dig_port->base.port));
+ return;
+ }
+ }
+
+ if (lspcon_wake_native_aux_ch(lspcon)) {
+ expected_mode = DRM_LSPCON_MODE_PCON;
+ lspcon_resume_in_pcon_wa(lspcon);
+ } else {
+ expected_mode = DRM_LSPCON_MODE_LS;
+ }
+
+ if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
+ return;
+
+ if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
+ DRM_ERROR("LSPCON resume failed\n");
+ else
+ DRM_DEBUG_KMS("LSPCON resume success\n");
+}
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
index 37cfddf8a9c5..169db35db13e 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.h
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
@@ -15,8 +15,7 @@ struct intel_digital_port;
struct intel_encoder;
struct intel_lspcon;
-bool lspcon_init(struct intel_digital_port *intel_dig_port);
-void lspcon_resume(struct intel_lspcon *lspcon);
+void lspcon_resume(struct intel_digital_port *intel_dig_port);
void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
void lspcon_write_infoframe(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
--
2.17.1
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 17+ messages in thread
* [Intel-gfx] [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-06-10 7:55 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-06-10 7:55 UTC (permalink / raw)
To: jani.nikula
Cc: David Airlie, Lucas De Marchi, open list, Chris Wilson,
Kai-Heng Feng, open list:DRM DRIVERS, intel-gfx
On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
becomes useless and never responds to cable hotplugging:
[ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
Seems like the lspcon chip on the system only gets powered after the
cable is plugged.
Consilidate lspcon_init() into lspcon_resume() to dynamically init
lspcon chip, and make HDMI port work.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
v6:
- Rebase on latest for-linux-next.
v5:
- Consolidate lspcon_resume() with lspcon_init().
- Move more logic into lspcon code.
v4:
- Trust VBT in intel_infoframe_init().
- Init lspcon in intel_dp_detect().
v3:
- Make sure it's handled under long HPD case.
v2:
- Move lspcon_init() inside of intel_dp_hpd_pulse().
drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
5 files changed, 43 insertions(+), 55 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index aa22465bb56e..af755b1aa24b 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
{
struct intel_digital_port *intel_dig_port;
struct intel_encoder *encoder;
- bool init_hdmi, init_dp, init_lspcon = false;
+ bool init_hdmi, init_dp;
enum phy phy = intel_port_to_phy(dev_priv, port);
init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
@@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
* is initialized before lspcon.
*/
init_dp = true;
- init_lspcon = true;
init_hdmi = false;
drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
port_name(port));
@@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
goto err;
}
- if (init_lspcon) {
- if (lspcon_init(intel_dig_port))
- /* TODO: handle hdmi info frame part */
- drm_dbg_kms(&dev_priv->drm,
- "LSPCON init success on port %c\n",
- port_name(port));
- else
- /*
- * LSPCON init faied, but DP init was success, so
- * lets try to drive as DP++ port.
- */
- drm_err(&dev_priv->drm,
- "LSPCON init failed on port %c\n",
- port_name(port));
- }
-
if (INTEL_GEN(dev_priv) >= 11) {
if (intel_phy_is_tc(dev_priv, phy))
intel_dig_port->connected = intel_tc_port_connected;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index ed9e53c373a7..398a104158a8 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5962,15 +5962,14 @@ static enum drm_connector_status
intel_dp_detect_dpcd(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
u8 *dpcd = intel_dp->dpcd;
u8 type;
if (WARN_ON(intel_dp_is_edp(intel_dp)))
return connector_status_connected;
- if (lspcon->active)
- lspcon_resume(lspcon);
+ lspcon_resume(dig_port);
if (!intel_dp_get_dpcd(intel_dp))
return connector_status_disconnected;
@@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->dev);
struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
- struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
intel_wakeref_t wakeref;
if (!HAS_DDI(dev_priv))
intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
- if (lspcon->active)
- lspcon_resume(lspcon);
+ lspcon_resume(dig_port);
intel_dp->reset_link_params = true;
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 010f37240710..643ad2127931 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
intel_dig_port->set_infoframes = g4x_set_infoframes;
intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
} else if (HAS_DDI(dev_priv)) {
- if (intel_dig_port->lspcon.active) {
+ if (intel_bios_is_lspcon_present(dev_priv,
+ intel_dig_port->base.port)) {
intel_dig_port->write_infoframe = lspcon_write_infoframe;
intel_dig_port->read_infoframe = lspcon_read_infoframe;
intel_dig_port->set_infoframes = lspcon_set_infoframes;
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index 6ff7b226f0a1..e3dde4c25604 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
return 0;
}
-void lspcon_resume(struct intel_lspcon *lspcon)
-{
- enum drm_lspcon_mode expected_mode;
-
- if (lspcon_wake_native_aux_ch(lspcon)) {
- expected_mode = DRM_LSPCON_MODE_PCON;
- lspcon_resume_in_pcon_wa(lspcon);
- } else {
- expected_mode = DRM_LSPCON_MODE_LS;
- }
-
- if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
- return;
-
- if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
- DRM_ERROR("LSPCON resume failed\n");
- else
- DRM_DEBUG_KMS("LSPCON resume success\n");
-}
-
void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
{
lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
}
-bool lspcon_init(struct intel_digital_port *intel_dig_port)
+static bool lspcon_init(struct intel_digital_port *intel_dig_port)
{
struct intel_dp *dp = &intel_dig_port->dp;
struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
- struct drm_device *dev = intel_dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_connector *connector = &dp->attached_connector->base;
- if (!HAS_LSPCON(dev_priv)) {
- DRM_ERROR("LSPCON is not supported on this platform\n");
- return false;
- }
-
lspcon->active = false;
lspcon->mode = DRM_LSPCON_MODE_INVALID;
@@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
DRM_DEBUG_KMS("Success: LSPCON init\n");
return true;
}
+
+void lspcon_resume(struct intel_digital_port *intel_dig_port)
+{
+ struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
+ struct drm_device *dev = intel_dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ enum drm_lspcon_mode expected_mode;
+
+ if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
+ return;
+
+ if (!lspcon->active) {
+ if (!lspcon_init(intel_dig_port)) {
+ DRM_ERROR("LSPCON init failed on port %c\n",
+ port_name(intel_dig_port->base.port));
+ return;
+ }
+ }
+
+ if (lspcon_wake_native_aux_ch(lspcon)) {
+ expected_mode = DRM_LSPCON_MODE_PCON;
+ lspcon_resume_in_pcon_wa(lspcon);
+ } else {
+ expected_mode = DRM_LSPCON_MODE_LS;
+ }
+
+ if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
+ return;
+
+ if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
+ DRM_ERROR("LSPCON resume failed\n");
+ else
+ DRM_DEBUG_KMS("LSPCON resume success\n");
+}
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
index 37cfddf8a9c5..169db35db13e 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.h
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
@@ -15,8 +15,7 @@ struct intel_digital_port;
struct intel_encoder;
struct intel_lspcon;
-bool lspcon_init(struct intel_digital_port *intel_dig_port);
-void lspcon_resume(struct intel_lspcon *lspcon);
+void lspcon_resume(struct intel_digital_port *intel_dig_port);
void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
void lspcon_write_infoframe(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
--
2.17.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 17+ messages in thread
* [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Init lspcon after HPD in intel_dp_detect() (rev2)
2020-06-10 7:55 ` Kai-Heng Feng
(?)
(?)
@ 2020-06-10 8:25 ` Patchwork
-1 siblings, 0 replies; 17+ messages in thread
From: Patchwork @ 2020-06-10 8:25 UTC (permalink / raw)
To: Kai-Heng Feng; +Cc: intel-gfx
== Series Details ==
Series: drm/i915: Init lspcon after HPD in intel_dp_detect() (rev2)
URL : https://patchwork.freedesktop.org/series/73480/
State : success
== Summary ==
CI Bug Log - changes from CI_DRM_8604 -> Patchwork_17918
====================================================
Summary
-------
**SUCCESS**
No regressions found.
External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/index.html
Known issues
------------
Here are the changes found in Patchwork_17918 that come from known issues:
### IGT changes ###
#### Issues hit ####
* igt@i915_pm_rpm@module-reload:
- fi-byt-j1900: [PASS][1] -> [DMESG-WARN][2] ([i915#1982])
[1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-byt-j1900/igt@i915_pm_rpm@module-reload.html
[2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-byt-j1900/igt@i915_pm_rpm@module-reload.html
* igt@kms_busy@basic@flip:
- fi-kbl-x1275: [PASS][3] -> [DMESG-WARN][4] ([i915#62] / [i915#92] / [i915#95])
[3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-kbl-x1275/igt@kms_busy@basic@flip.html
[4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-kbl-x1275/igt@kms_busy@basic@flip.html
* igt@kms_cursor_legacy@basic-busy-flip-before-cursor-atomic:
- fi-bsw-kefka: [PASS][5] -> [DMESG-WARN][6] ([i915#1982])
[5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-bsw-kefka/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-atomic.html
[6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-bsw-kefka/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-atomic.html
* igt@kms_cursor_legacy@basic-flip-before-cursor-atomic:
- fi-icl-u2: [PASS][7] -> [DMESG-WARN][8] ([i915#1982])
[7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-icl-u2/igt@kms_cursor_legacy@basic-flip-before-cursor-atomic.html
[8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-icl-u2/igt@kms_cursor_legacy@basic-flip-before-cursor-atomic.html
#### Possible fixes ####
* igt@i915_module_load@reload:
- fi-byt-j1900: [DMESG-WARN][9] ([i915#1982]) -> [PASS][10]
[9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-byt-j1900/igt@i915_module_load@reload.html
[10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-byt-j1900/igt@i915_module_load@reload.html
- fi-byt-n2820: [DMESG-WARN][11] ([i915#1982]) -> [PASS][12]
[11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-byt-n2820/igt@i915_module_load@reload.html
[12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-byt-n2820/igt@i915_module_load@reload.html
* igt@i915_pm_rpm@module-reload:
- fi-glk-dsi: [DMESG-WARN][13] ([i915#1982]) -> [PASS][14]
[13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-glk-dsi/igt@i915_pm_rpm@module-reload.html
[14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-glk-dsi/igt@i915_pm_rpm@module-reload.html
* igt@kms_chamelium@dp-crc-fast:
- fi-icl-u2: [FAIL][15] ([i915#262]) -> [PASS][16]
[15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-icl-u2/igt@kms_chamelium@dp-crc-fast.html
[16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-icl-u2/igt@kms_chamelium@dp-crc-fast.html
* igt@kms_cursor_legacy@basic-flip-after-cursor-atomic:
- fi-icl-u2: [DMESG-WARN][17] ([i915#1982]) -> [PASS][18] +1 similar issue
[17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-icl-u2/igt@kms_cursor_legacy@basic-flip-after-cursor-atomic.html
[18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-icl-u2/igt@kms_cursor_legacy@basic-flip-after-cursor-atomic.html
#### Warnings ####
* igt@gem_exec_suspend@basic-s0:
- fi-kbl-x1275: [DMESG-WARN][19] ([i915#1982] / [i915#62] / [i915#92] / [i915#95]) -> [DMESG-WARN][20] ([i915#62] / [i915#92] / [i915#95])
[19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-kbl-x1275/igt@gem_exec_suspend@basic-s0.html
[20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-kbl-x1275/igt@gem_exec_suspend@basic-s0.html
* igt@kms_cursor_legacy@basic-flip-before-cursor-atomic:
- fi-kbl-x1275: [DMESG-WARN][21] ([i915#62] / [i915#92]) -> [DMESG-WARN][22] ([i915#62] / [i915#92] / [i915#95]) +2 similar issues
[21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-kbl-x1275/igt@kms_cursor_legacy@basic-flip-before-cursor-atomic.html
[22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-kbl-x1275/igt@kms_cursor_legacy@basic-flip-before-cursor-atomic.html
* igt@kms_flip@basic-flip-vs-wf_vblank@a-dp1:
- fi-kbl-x1275: [DMESG-WARN][23] ([i915#62] / [i915#92] / [i915#95]) -> [DMESG-WARN][24] ([i915#62] / [i915#92]) +1 similar issue
[23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-wf_vblank@a-dp1.html
[24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-wf_vblank@a-dp1.html
[i915#1982]: https://gitlab.freedesktop.org/drm/intel/issues/1982
[i915#262]: https://gitlab.freedesktop.org/drm/intel/issues/262
[i915#62]: https://gitlab.freedesktop.org/drm/intel/issues/62
[i915#92]: https://gitlab.freedesktop.org/drm/intel/issues/92
[i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95
Participating hosts (49 -> 43)
------------------------------
Additional (1): fi-kbl-7560u
Missing (7): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper fi-bdw-samus
Build changes
-------------
* Linux: CI_DRM_8604 -> Patchwork_17918
CI-20190529: 20190529
CI_DRM_8604: 24c6364ec0e3c895ec4237d7a8f3516316a761ff @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_5700: 88e379cef970db3dab020966d5dd117de7cc03ab @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_17918: abe9efda047415736cc8faf7ff2abb094fc9039c @ git://anongit.freedesktop.org/gfx-ci/linux
== Linux commits ==
abe9efda0474 drm/i915: Init lspcon after HPD in intel_dp_detect()
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/index.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Intel-gfx] ✓ Fi.CI.IGT: success for drm/i915: Init lspcon after HPD in intel_dp_detect() (rev2)
2020-06-10 7:55 ` Kai-Heng Feng
` (2 preceding siblings ...)
(?)
@ 2020-06-10 9:33 ` Patchwork
-1 siblings, 0 replies; 17+ messages in thread
From: Patchwork @ 2020-06-10 9:33 UTC (permalink / raw)
To: Kai-Heng Feng; +Cc: intel-gfx
== Series Details ==
Series: drm/i915: Init lspcon after HPD in intel_dp_detect() (rev2)
URL : https://patchwork.freedesktop.org/series/73480/
State : success
== Summary ==
CI Bug Log - changes from CI_DRM_8604_full -> Patchwork_17918_full
====================================================
Summary
-------
**SUCCESS**
No regressions found.
Known issues
------------
Here are the changes found in Patchwork_17918_full that come from known issues:
### IGT changes ###
#### Issues hit ####
* igt@gem_ctx_persistence@engines-mixed-process@vecs0:
- shard-skl: [PASS][1] -> [FAIL][2] ([i915#1528])
[1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl2/igt@gem_ctx_persistence@engines-mixed-process@vecs0.html
[2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl6/igt@gem_ctx_persistence@engines-mixed-process@vecs0.html
* igt@gem_eio@kms:
- shard-skl: [PASS][3] -> [DMESG-WARN][4] ([i915#1982]) +10 similar issues
[3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl6/igt@gem_eio@kms.html
[4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl7/igt@gem_eio@kms.html
* igt@gem_exec_create@forked:
- shard-hsw: [PASS][5] -> [INCOMPLETE][6] ([i915#61])
[5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-hsw7/igt@gem_exec_create@forked.html
[6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-hsw8/igt@gem_exec_create@forked.html
* igt@i915_selftest@perf@request:
- shard-tglb: [PASS][7] -> [INCOMPLETE][8] ([i915#1823])
[7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-tglb7/igt@i915_selftest@perf@request.html
[8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-tglb7/igt@i915_selftest@perf@request.html
* igt@kms_cursor_crc@pipe-a-cursor-64x21-offscreen:
- shard-kbl: [PASS][9] -> [DMESG-FAIL][10] ([i915#54] / [i915#95]) +1 similar issue
[9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl3/igt@kms_cursor_crc@pipe-a-cursor-64x21-offscreen.html
[10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl4/igt@kms_cursor_crc@pipe-a-cursor-64x21-offscreen.html
* igt@kms_cursor_crc@pipe-a-cursor-suspend:
- shard-kbl: [PASS][11] -> [DMESG-WARN][12] ([i915#180]) +6 similar issues
[11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl3/igt@kms_cursor_crc@pipe-a-cursor-suspend.html
[12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl7/igt@kms_cursor_crc@pipe-a-cursor-suspend.html
* igt@kms_cursor_crc@pipe-c-cursor-256x256-sliding:
- shard-skl: [PASS][13] -> [FAIL][14] ([i915#54])
[13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl10/igt@kms_cursor_crc@pipe-c-cursor-256x256-sliding.html
[14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl5/igt@kms_cursor_crc@pipe-c-cursor-256x256-sliding.html
* igt@kms_cursor_legacy@flip-vs-cursor-busy-crc-legacy:
- shard-kbl: [PASS][15] -> [DMESG-FAIL][16] ([i915#95])
[15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl3/igt@kms_cursor_legacy@flip-vs-cursor-busy-crc-legacy.html
[16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl4/igt@kms_cursor_legacy@flip-vs-cursor-busy-crc-legacy.html
* igt@kms_draw_crc@draw-method-rgb565-mmap-wc-ytiled:
- shard-kbl: [PASS][17] -> [DMESG-WARN][18] ([i915#93] / [i915#95]) +2 similar issues
[17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl4/igt@kms_draw_crc@draw-method-rgb565-mmap-wc-ytiled.html
[18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl2/igt@kms_draw_crc@draw-method-rgb565-mmap-wc-ytiled.html
* igt@kms_frontbuffer_tracking@fbc-1p-offscren-pri-shrfb-draw-mmap-wc:
- shard-apl: [PASS][19] -> [DMESG-WARN][20] ([i915#95]) +25 similar issues
[19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl7/igt@kms_frontbuffer_tracking@fbc-1p-offscren-pri-shrfb-draw-mmap-wc.html
[20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl2/igt@kms_frontbuffer_tracking@fbc-1p-offscren-pri-shrfb-draw-mmap-wc.html
* igt@kms_hdr@bpc-switch:
- shard-skl: [PASS][21] -> [FAIL][22] ([i915#1188])
[21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl2/igt@kms_hdr@bpc-switch.html
[22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl8/igt@kms_hdr@bpc-switch.html
* igt@kms_invalid_dotclock:
- shard-snb: [PASS][23] -> [SKIP][24] ([fdo#109271]) +1 similar issue
[23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-snb5/igt@kms_invalid_dotclock.html
[24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-snb2/igt@kms_invalid_dotclock.html
* igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes:
- shard-apl: [PASS][25] -> [DMESG-WARN][26] ([i915#180]) +2 similar issues
[25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl8/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes.html
[26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl6/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes.html
* igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min:
- shard-skl: [PASS][27] -> [FAIL][28] ([fdo#108145] / [i915#265])
[27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl10/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html
[28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl5/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html
* igt@kms_psr2_su@frontbuffer:
- shard-iclb: [PASS][29] -> [SKIP][30] ([fdo#109642] / [fdo#111068])
[29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-iclb2/igt@kms_psr2_su@frontbuffer.html
[30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-iclb8/igt@kms_psr2_su@frontbuffer.html
* igt@kms_psr@psr2_primary_mmap_gtt:
- shard-iclb: [PASS][31] -> [SKIP][32] ([fdo#109441]) +1 similar issue
[31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-iclb2/igt@kms_psr@psr2_primary_mmap_gtt.html
[32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-iclb8/igt@kms_psr@psr2_primary_mmap_gtt.html
* igt@kms_setmode@basic:
- shard-skl: [PASS][33] -> [FAIL][34] ([i915#31])
[33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl8/igt@kms_setmode@basic.html
[34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl5/igt@kms_setmode@basic.html
* igt@syncobj_wait@single-wait-submitted:
- shard-tglb: [PASS][35] -> [DMESG-WARN][36] ([i915#402]) +1 similar issue
[35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-tglb7/igt@syncobj_wait@single-wait-submitted.html
[36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-tglb5/igt@syncobj_wait@single-wait-submitted.html
#### Possible fixes ####
* igt@gem_ctx_shared@q-independent@bcs0:
- shard-apl: [FAIL][37] ([i915#2013]) -> [PASS][38]
[37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl2/igt@gem_ctx_shared@q-independent@bcs0.html
[38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl7/igt@gem_ctx_shared@q-independent@bcs0.html
* igt@gem_exec_suspend@basic-s3:
- shard-kbl: [DMESG-WARN][39] ([i915#93] / [i915#95]) -> [PASS][40]
[39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl4/igt@gem_exec_suspend@basic-s3.html
[40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl7/igt@gem_exec_suspend@basic-s3.html
* igt@kms_big_fb@x-tiled-64bpp-rotate-180:
- shard-glk: [DMESG-FAIL][41] ([i915#118] / [i915#95]) -> [PASS][42]
[41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-glk8/igt@kms_big_fb@x-tiled-64bpp-rotate-180.html
[42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-glk7/igt@kms_big_fb@x-tiled-64bpp-rotate-180.html
* igt@kms_color@pipe-a-ctm-0-5:
- shard-skl: [DMESG-WARN][43] ([i915#1982]) -> [PASS][44] +2 similar issues
[43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl7/igt@kms_color@pipe-a-ctm-0-5.html
[44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl2/igt@kms_color@pipe-a-ctm-0-5.html
* igt@kms_flip@flip-vs-suspend-interruptible@a-dp1:
- shard-apl: [DMESG-WARN][45] ([i915#180]) -> [PASS][46]
[45]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl1/igt@kms_flip@flip-vs-suspend-interruptible@a-dp1.html
[46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl3/igt@kms_flip@flip-vs-suspend-interruptible@a-dp1.html
* igt@kms_flip@flip-vs-suspend@a-edp1:
- shard-skl: [INCOMPLETE][47] ([i915#198]) -> [PASS][48]
[47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl8/igt@kms_flip@flip-vs-suspend@a-edp1.html
[48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl4/igt@kms_flip@flip-vs-suspend@a-edp1.html
* igt@kms_flip@flip-vs-suspend@c-dp1:
- shard-kbl: [DMESG-WARN][49] ([i915#180]) -> [PASS][50] +4 similar issues
[49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl7/igt@kms_flip@flip-vs-suspend@c-dp1.html
[50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl4/igt@kms_flip@flip-vs-suspend@c-dp1.html
* igt@kms_flip_tiling@flip-changes-tiling:
- shard-kbl: [DMESG-WARN][51] ([i915#1982]) -> [PASS][52]
[51]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl4/igt@kms_flip_tiling@flip-changes-tiling.html
[52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl7/igt@kms_flip_tiling@flip-changes-tiling.html
* igt@kms_frontbuffer_tracking@fbc-rgb101010-draw-mmap-wc:
- shard-apl: [DMESG-WARN][53] ([i915#95]) -> [PASS][54] +11 similar issues
[53]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl2/igt@kms_frontbuffer_tracking@fbc-rgb101010-draw-mmap-wc.html
[54]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl6/igt@kms_frontbuffer_tracking@fbc-rgb101010-draw-mmap-wc.html
* igt@kms_frontbuffer_tracking@psr-1p-primscrn-pri-indfb-draw-render:
- shard-skl: [FAIL][55] ([i915#49]) -> [PASS][56]
[55]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl5/igt@kms_frontbuffer_tracking@psr-1p-primscrn-pri-indfb-draw-render.html
[56]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl1/igt@kms_frontbuffer_tracking@psr-1p-primscrn-pri-indfb-draw-render.html
* igt@kms_hdr@bpc-switch-dpms:
- shard-skl: [FAIL][57] ([i915#1188]) -> [PASS][58]
[57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl9/igt@kms_hdr@bpc-switch-dpms.html
[58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl1/igt@kms_hdr@bpc-switch-dpms.html
* igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min:
- shard-skl: [FAIL][59] ([fdo#108145] / [i915#265]) -> [PASS][60]
[59]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl4/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html
[60]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl8/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html
* igt@kms_plane_alpha_blend@pipe-a-coverage-7efc:
- shard-skl: [DMESG-FAIL][61] ([fdo#108145] / [i915#1982]) -> [PASS][62]
[61]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl1/igt@kms_plane_alpha_blend@pipe-a-coverage-7efc.html
[62]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl8/igt@kms_plane_alpha_blend@pipe-a-coverage-7efc.html
* igt@kms_psr@psr2_sprite_mmap_gtt:
- shard-iclb: [SKIP][63] ([fdo#109441]) -> [PASS][64] +3 similar issues
[63]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-iclb7/igt@kms_psr@psr2_sprite_mmap_gtt.html
[64]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-iclb2/igt@kms_psr@psr2_sprite_mmap_gtt.html
* igt@kms_setmode@basic:
- shard-kbl: [FAIL][65] ([i915#31]) -> [PASS][66]
[65]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl4/igt@kms_setmode@basic.html
[66]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl2/igt@kms_setmode@basic.html
* igt@kms_vblank@pipe-c-query-busy-hang:
- shard-tglb: [DMESG-WARN][67] ([i915#402]) -> [PASS][68]
[67]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-tglb1/igt@kms_vblank@pipe-c-query-busy-hang.html
[68]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-tglb7/igt@kms_vblank@pipe-c-query-busy-hang.html
#### Warnings ####
* igt@i915_pm_dc@dc3co-vpb-simulation:
- shard-iclb: [SKIP][69] ([i915#588]) -> [SKIP][70] ([i915#658])
[69]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-iclb2/igt@i915_pm_dc@dc3co-vpb-simulation.html
[70]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-iclb8/igt@i915_pm_dc@dc3co-vpb-simulation.html
* igt@i915_pm_dc@dc6-psr:
- shard-skl: [FAIL][71] ([i915#454]) -> [DMESG-FAIL][72] ([i915#1982])
[71]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-skl4/igt@i915_pm_dc@dc6-psr.html
[72]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-skl2/igt@i915_pm_dc@dc6-psr.html
* igt@kms_content_protection@atomic:
- shard-kbl: [TIMEOUT][73] ([i915#1319]) -> [TIMEOUT][74] ([i915#1319] / [i915#1958]) +2 similar issues
[73]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl3/igt@kms_content_protection@atomic.html
[74]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl4/igt@kms_content_protection@atomic.html
- shard-apl: [FAIL][75] ([fdo#110321] / [fdo#110336]) -> [TIMEOUT][76] ([i915#1319] / [i915#1635])
[75]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl1/igt@kms_content_protection@atomic.html
[76]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl1/igt@kms_content_protection@atomic.html
* igt@kms_content_protection@atomic-dpms:
- shard-apl: [TIMEOUT][77] ([i915#1319]) -> [FAIL][78] ([fdo#110321] / [fdo#110336])
[77]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl3/igt@kms_content_protection@atomic-dpms.html
[78]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl4/igt@kms_content_protection@atomic-dpms.html
* igt@kms_content_protection@lic:
- shard-apl: [TIMEOUT][79] ([i915#1319] / [i915#1635]) -> [FAIL][80] ([fdo#110321])
[79]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl2/igt@kms_content_protection@lic.html
[80]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl6/igt@kms_content_protection@lic.html
* igt@kms_draw_crc@fill-fb:
- shard-apl: [DMESG-WARN][81] ([i915#95]) -> [DMESG-FAIL][82] ([i915#95])
[81]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl7/igt@kms_draw_crc@fill-fb.html
[82]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl8/igt@kms_draw_crc@fill-fb.html
* igt@kms_fbcon_fbt@fbc:
- shard-kbl: [FAIL][83] ([i915#64]) -> [DMESG-FAIL][84] ([i915#95])
[83]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl6/igt@kms_fbcon_fbt@fbc.html
[84]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl3/igt@kms_fbcon_fbt@fbc.html
* igt@kms_frontbuffer_tracking@fbc-suspend:
- shard-kbl: [DMESG-WARN][85] ([i915#93] / [i915#95]) -> [DMESG-WARN][86] ([i915#180] / [i915#93] / [i915#95])
[85]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-kbl1/igt@kms_frontbuffer_tracking@fbc-suspend.html
[86]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-kbl6/igt@kms_frontbuffer_tracking@fbc-suspend.html
* igt@kms_plane_alpha_blend@pipe-c-alpha-basic:
- shard-apl: [DMESG-FAIL][87] ([fdo#108145] / [i915#95]) -> [FAIL][88] ([fdo#108145] / [i915#265])
[87]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8604/shard-apl7/igt@kms_plane_alpha_blend@pipe-c-alpha-basic.html
[88]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/shard-apl2/igt@kms_plane_alpha_blend@pipe-c-alpha-basic.html
[fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
[fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
[fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
[fdo#109642]: https://bugs.freedesktop.org/show_bug.cgi?id=109642
[fdo#110321]: https://bugs.freedesktop.org/show_bug.cgi?id=110321
[fdo#110336]: https://bugs.freedesktop.org/show_bug.cgi?id=110336
[fdo#111068]: https://bugs.freedesktop.org/show_bug.cgi?id=111068
[i915#118]: https://gitlab.freedesktop.org/drm/intel/issues/118
[i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
[i915#1319]: https://gitlab.freedesktop.org/drm/intel/issues/1319
[i915#1528]: https://gitlab.freedesktop.org/drm/intel/issues/1528
[i915#1635]: https://gitlab.freedesktop.org/drm/intel/issues/1635
[i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
[i915#1823]: https://gitlab.freedesktop.org/drm/intel/issues/1823
[i915#1958]: https://gitlab.freedesktop.org/drm/intel/issues/1958
[i915#198]: https://gitlab.freedesktop.org/drm/intel/issues/198
[i915#1982]: https://gitlab.freedesktop.org/drm/intel/issues/1982
[i915#2013]: https://gitlab.freedesktop.org/drm/intel/issues/2013
[i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
[i915#31]: https://gitlab.freedesktop.org/drm/intel/issues/31
[i915#402]: https://gitlab.freedesktop.org/drm/intel/issues/402
[i915#454]: https://gitlab.freedesktop.org/drm/intel/issues/454
[i915#49]: https://gitlab.freedesktop.org/drm/intel/issues/49
[i915#54]: https://gitlab.freedesktop.org/drm/intel/issues/54
[i915#588]: https://gitlab.freedesktop.org/drm/intel/issues/588
[i915#61]: https://gitlab.freedesktop.org/drm/intel/issues/61
[i915#64]: https://gitlab.freedesktop.org/drm/intel/issues/64
[i915#658]: https://gitlab.freedesktop.org/drm/intel/issues/658
[i915#93]: https://gitlab.freedesktop.org/drm/intel/issues/93
[i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95
Participating hosts (11 -> 11)
------------------------------
No changes in participating hosts
Build changes
-------------
* Linux: CI_DRM_8604 -> Patchwork_17918
CI-20190529: 20190529
CI_DRM_8604: 24c6364ec0e3c895ec4237d7a8f3516316a761ff @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_5700: 88e379cef970db3dab020966d5dd117de7cc03ab @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_17918: abe9efda047415736cc8faf7ff2abb094fc9039c @ git://anongit.freedesktop.org/gfx-ci/linux
piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17918/index.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
2020-06-10 7:55 ` Kai-Heng Feng
(?)
@ 2020-06-30 8:37 ` Kai-Heng Feng
-1 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-06-30 8:37 UTC (permalink / raw)
To: Jani Nikula
Cc: Joonas Lahtinen, Rodrigo Vivi, David Airlie, Daniel Vetter,
Ville Syrjälä,
José Roberto de Souza, Imre Deak, Lucas De Marchi,
Manasi Navare, Chris Wilson, Gwan-gyeong Mun, Ramalingam C,
Uma Shankar, Maarten Lankhorst, intel-gfx, open list:DRM DRIVERS,
open list
> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
> becomes useless and never responds to cable hotplugging:
> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>
> Seems like the lspcon chip on the system only gets powered after the
> cable is plugged.
>
> Consilidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
A gentle ping...
> ---
> v6:
> - Rebase on latest for-linux-next.
>
> v5:
> - Consolidate lspcon_resume() with lspcon_init().
> - Move more logic into lspcon code.
>
> v4:
> - Trust VBT in intel_infoframe_init().
> - Init lspcon in intel_dp_detect().
>
> v3:
> - Make sure it's handled under long HPD case.
>
> v2:
> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>
> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
> 5 files changed, 43 insertions(+), 55 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index aa22465bb56e..af755b1aa24b 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> {
> struct intel_digital_port *intel_dig_port;
> struct intel_encoder *encoder;
> - bool init_hdmi, init_dp, init_lspcon = false;
> + bool init_hdmi, init_dp;
> enum phy phy = intel_port_to_phy(dev_priv, port);
>
> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> * is initialized before lspcon.
> */
> init_dp = true;
> - init_lspcon = true;
> init_hdmi = false;
> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
> port_name(port));
> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> goto err;
> }
>
> - if (init_lspcon) {
> - if (lspcon_init(intel_dig_port))
> - /* TODO: handle hdmi info frame part */
> - drm_dbg_kms(&dev_priv->drm,
> - "LSPCON init success on port %c\n",
> - port_name(port));
> - else
> - /*
> - * LSPCON init faied, but DP init was success, so
> - * lets try to drive as DP++ port.
> - */
> - drm_err(&dev_priv->drm,
> - "LSPCON init failed on port %c\n",
> - port_name(port));
> - }
> -
> if (INTEL_GEN(dev_priv) >= 11) {
> if (intel_phy_is_tc(dev_priv, phy))
> intel_dig_port->connected = intel_tc_port_connected;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index ed9e53c373a7..398a104158a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
> {
> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> u8 *dpcd = intel_dp->dpcd;
> u8 type;
>
> if (WARN_ON(intel_dp_is_edp(intel_dp)))
> return connector_status_connected;
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> if (!intel_dp_get_dpcd(intel_dp))
> return connector_status_disconnected;
> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> intel_wakeref_t wakeref;
>
> if (!HAS_DDI(dev_priv))
> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> intel_dp->reset_link_params = true;
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 010f37240710..643ad2127931 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
> intel_dig_port->set_infoframes = g4x_set_infoframes;
> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
> } else if (HAS_DDI(dev_priv)) {
> - if (intel_dig_port->lspcon.active) {
> + if (intel_bios_is_lspcon_present(dev_priv,
> + intel_dig_port->base.port)) {
> intel_dig_port->write_infoframe = lspcon_write_infoframe;
> intel_dig_port->read_infoframe = lspcon_read_infoframe;
> intel_dig_port->set_infoframes = lspcon_set_infoframes;
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 6ff7b226f0a1..e3dde4c25604 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
> return 0;
> }
>
> -void lspcon_resume(struct intel_lspcon *lspcon)
> -{
> - enum drm_lspcon_mode expected_mode;
> -
> - if (lspcon_wake_native_aux_ch(lspcon)) {
> - expected_mode = DRM_LSPCON_MODE_PCON;
> - lspcon_resume_in_pcon_wa(lspcon);
> - } else {
> - expected_mode = DRM_LSPCON_MODE_LS;
> - }
> -
> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> - return;
> -
> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> - DRM_ERROR("LSPCON resume failed\n");
> - else
> - DRM_DEBUG_KMS("LSPCON resume success\n");
> -}
> -
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
> {
> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
> }
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
> {
> struct intel_dp *dp = &intel_dig_port->dp;
> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> - struct drm_device *dev = intel_dig_port->base.base.dev;
> - struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_connector *connector = &dp->attached_connector->base;
>
> - if (!HAS_LSPCON(dev_priv)) {
> - DRM_ERROR("LSPCON is not supported on this platform\n");
> - return false;
> - }
> -
> lspcon->active = false;
> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>
> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> DRM_DEBUG_KMS("Success: LSPCON init\n");
> return true;
> }
> +
> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
> +{
> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> + struct drm_device *dev = intel_dig_port->base.base.dev;
> + struct drm_i915_private *dev_priv = to_i915(dev);
> + enum drm_lspcon_mode expected_mode;
> +
> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
> + return;
> +
> + if (!lspcon->active) {
> + if (!lspcon_init(intel_dig_port)) {
> + DRM_ERROR("LSPCON init failed on port %c\n",
> + port_name(intel_dig_port->base.port));
> + return;
> + }
> + }
> +
> + if (lspcon_wake_native_aux_ch(lspcon)) {
> + expected_mode = DRM_LSPCON_MODE_PCON;
> + lspcon_resume_in_pcon_wa(lspcon);
> + } else {
> + expected_mode = DRM_LSPCON_MODE_LS;
> + }
> +
> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> + return;
> +
> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> + DRM_ERROR("LSPCON resume failed\n");
> + else
> + DRM_DEBUG_KMS("LSPCON resume success\n");
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
> index 37cfddf8a9c5..169db35db13e 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
> @@ -15,8 +15,7 @@ struct intel_digital_port;
> struct intel_encoder;
> struct intel_lspcon;
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
> -void lspcon_resume(struct intel_lspcon *lspcon);
> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
> void lspcon_write_infoframe(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> --
> 2.17.1
>
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-06-30 8:37 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-06-30 8:37 UTC (permalink / raw)
To: Jani Nikula
Cc: David Airlie, Lucas De Marchi, open list,
José Roberto de Souza, Chris Wilson, Manasi Navare,
Uma Shankar, open list:DRM DRIVERS, Rodrigo Vivi,
Gwan-gyeong Mun, intel-gfx
> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
> becomes useless and never responds to cable hotplugging:
> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>
> Seems like the lspcon chip on the system only gets powered after the
> cable is plugged.
>
> Consilidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
A gentle ping...
> ---
> v6:
> - Rebase on latest for-linux-next.
>
> v5:
> - Consolidate lspcon_resume() with lspcon_init().
> - Move more logic into lspcon code.
>
> v4:
> - Trust VBT in intel_infoframe_init().
> - Init lspcon in intel_dp_detect().
>
> v3:
> - Make sure it's handled under long HPD case.
>
> v2:
> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>
> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
> 5 files changed, 43 insertions(+), 55 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index aa22465bb56e..af755b1aa24b 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> {
> struct intel_digital_port *intel_dig_port;
> struct intel_encoder *encoder;
> - bool init_hdmi, init_dp, init_lspcon = false;
> + bool init_hdmi, init_dp;
> enum phy phy = intel_port_to_phy(dev_priv, port);
>
> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> * is initialized before lspcon.
> */
> init_dp = true;
> - init_lspcon = true;
> init_hdmi = false;
> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
> port_name(port));
> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> goto err;
> }
>
> - if (init_lspcon) {
> - if (lspcon_init(intel_dig_port))
> - /* TODO: handle hdmi info frame part */
> - drm_dbg_kms(&dev_priv->drm,
> - "LSPCON init success on port %c\n",
> - port_name(port));
> - else
> - /*
> - * LSPCON init faied, but DP init was success, so
> - * lets try to drive as DP++ port.
> - */
> - drm_err(&dev_priv->drm,
> - "LSPCON init failed on port %c\n",
> - port_name(port));
> - }
> -
> if (INTEL_GEN(dev_priv) >= 11) {
> if (intel_phy_is_tc(dev_priv, phy))
> intel_dig_port->connected = intel_tc_port_connected;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index ed9e53c373a7..398a104158a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
> {
> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> u8 *dpcd = intel_dp->dpcd;
> u8 type;
>
> if (WARN_ON(intel_dp_is_edp(intel_dp)))
> return connector_status_connected;
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> if (!intel_dp_get_dpcd(intel_dp))
> return connector_status_disconnected;
> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> intel_wakeref_t wakeref;
>
> if (!HAS_DDI(dev_priv))
> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> intel_dp->reset_link_params = true;
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 010f37240710..643ad2127931 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
> intel_dig_port->set_infoframes = g4x_set_infoframes;
> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
> } else if (HAS_DDI(dev_priv)) {
> - if (intel_dig_port->lspcon.active) {
> + if (intel_bios_is_lspcon_present(dev_priv,
> + intel_dig_port->base.port)) {
> intel_dig_port->write_infoframe = lspcon_write_infoframe;
> intel_dig_port->read_infoframe = lspcon_read_infoframe;
> intel_dig_port->set_infoframes = lspcon_set_infoframes;
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 6ff7b226f0a1..e3dde4c25604 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
> return 0;
> }
>
> -void lspcon_resume(struct intel_lspcon *lspcon)
> -{
> - enum drm_lspcon_mode expected_mode;
> -
> - if (lspcon_wake_native_aux_ch(lspcon)) {
> - expected_mode = DRM_LSPCON_MODE_PCON;
> - lspcon_resume_in_pcon_wa(lspcon);
> - } else {
> - expected_mode = DRM_LSPCON_MODE_LS;
> - }
> -
> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> - return;
> -
> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> - DRM_ERROR("LSPCON resume failed\n");
> - else
> - DRM_DEBUG_KMS("LSPCON resume success\n");
> -}
> -
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
> {
> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
> }
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
> {
> struct intel_dp *dp = &intel_dig_port->dp;
> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> - struct drm_device *dev = intel_dig_port->base.base.dev;
> - struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_connector *connector = &dp->attached_connector->base;
>
> - if (!HAS_LSPCON(dev_priv)) {
> - DRM_ERROR("LSPCON is not supported on this platform\n");
> - return false;
> - }
> -
> lspcon->active = false;
> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>
> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> DRM_DEBUG_KMS("Success: LSPCON init\n");
> return true;
> }
> +
> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
> +{
> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> + struct drm_device *dev = intel_dig_port->base.base.dev;
> + struct drm_i915_private *dev_priv = to_i915(dev);
> + enum drm_lspcon_mode expected_mode;
> +
> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
> + return;
> +
> + if (!lspcon->active) {
> + if (!lspcon_init(intel_dig_port)) {
> + DRM_ERROR("LSPCON init failed on port %c\n",
> + port_name(intel_dig_port->base.port));
> + return;
> + }
> + }
> +
> + if (lspcon_wake_native_aux_ch(lspcon)) {
> + expected_mode = DRM_LSPCON_MODE_PCON;
> + lspcon_resume_in_pcon_wa(lspcon);
> + } else {
> + expected_mode = DRM_LSPCON_MODE_LS;
> + }
> +
> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> + return;
> +
> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> + DRM_ERROR("LSPCON resume failed\n");
> + else
> + DRM_DEBUG_KMS("LSPCON resume success\n");
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
> index 37cfddf8a9c5..169db35db13e 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
> @@ -15,8 +15,7 @@ struct intel_digital_port;
> struct intel_encoder;
> struct intel_lspcon;
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
> -void lspcon_resume(struct intel_lspcon *lspcon);
> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
> void lspcon_write_infoframe(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> --
> 2.17.1
>
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Intel-gfx] [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-06-30 8:37 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-06-30 8:37 UTC (permalink / raw)
To: Jani Nikula
Cc: David Airlie, Lucas De Marchi, open list, Chris Wilson,
open list:DRM DRIVERS, intel-gfx
> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
> becomes useless and never responds to cable hotplugging:
> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>
> Seems like the lspcon chip on the system only gets powered after the
> cable is plugged.
>
> Consilidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
A gentle ping...
> ---
> v6:
> - Rebase on latest for-linux-next.
>
> v5:
> - Consolidate lspcon_resume() with lspcon_init().
> - Move more logic into lspcon code.
>
> v4:
> - Trust VBT in intel_infoframe_init().
> - Init lspcon in intel_dp_detect().
>
> v3:
> - Make sure it's handled under long HPD case.
>
> v2:
> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>
> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
> 5 files changed, 43 insertions(+), 55 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index aa22465bb56e..af755b1aa24b 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> {
> struct intel_digital_port *intel_dig_port;
> struct intel_encoder *encoder;
> - bool init_hdmi, init_dp, init_lspcon = false;
> + bool init_hdmi, init_dp;
> enum phy phy = intel_port_to_phy(dev_priv, port);
>
> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> * is initialized before lspcon.
> */
> init_dp = true;
> - init_lspcon = true;
> init_hdmi = false;
> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
> port_name(port));
> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> goto err;
> }
>
> - if (init_lspcon) {
> - if (lspcon_init(intel_dig_port))
> - /* TODO: handle hdmi info frame part */
> - drm_dbg_kms(&dev_priv->drm,
> - "LSPCON init success on port %c\n",
> - port_name(port));
> - else
> - /*
> - * LSPCON init faied, but DP init was success, so
> - * lets try to drive as DP++ port.
> - */
> - drm_err(&dev_priv->drm,
> - "LSPCON init failed on port %c\n",
> - port_name(port));
> - }
> -
> if (INTEL_GEN(dev_priv) >= 11) {
> if (intel_phy_is_tc(dev_priv, phy))
> intel_dig_port->connected = intel_tc_port_connected;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index ed9e53c373a7..398a104158a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
> {
> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> u8 *dpcd = intel_dp->dpcd;
> u8 type;
>
> if (WARN_ON(intel_dp_is_edp(intel_dp)))
> return connector_status_connected;
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> if (!intel_dp_get_dpcd(intel_dp))
> return connector_status_disconnected;
> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> intel_wakeref_t wakeref;
>
> if (!HAS_DDI(dev_priv))
> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> intel_dp->reset_link_params = true;
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 010f37240710..643ad2127931 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
> intel_dig_port->set_infoframes = g4x_set_infoframes;
> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
> } else if (HAS_DDI(dev_priv)) {
> - if (intel_dig_port->lspcon.active) {
> + if (intel_bios_is_lspcon_present(dev_priv,
> + intel_dig_port->base.port)) {
> intel_dig_port->write_infoframe = lspcon_write_infoframe;
> intel_dig_port->read_infoframe = lspcon_read_infoframe;
> intel_dig_port->set_infoframes = lspcon_set_infoframes;
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 6ff7b226f0a1..e3dde4c25604 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
> return 0;
> }
>
> -void lspcon_resume(struct intel_lspcon *lspcon)
> -{
> - enum drm_lspcon_mode expected_mode;
> -
> - if (lspcon_wake_native_aux_ch(lspcon)) {
> - expected_mode = DRM_LSPCON_MODE_PCON;
> - lspcon_resume_in_pcon_wa(lspcon);
> - } else {
> - expected_mode = DRM_LSPCON_MODE_LS;
> - }
> -
> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> - return;
> -
> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> - DRM_ERROR("LSPCON resume failed\n");
> - else
> - DRM_DEBUG_KMS("LSPCON resume success\n");
> -}
> -
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
> {
> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
> }
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
> {
> struct intel_dp *dp = &intel_dig_port->dp;
> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> - struct drm_device *dev = intel_dig_port->base.base.dev;
> - struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_connector *connector = &dp->attached_connector->base;
>
> - if (!HAS_LSPCON(dev_priv)) {
> - DRM_ERROR("LSPCON is not supported on this platform\n");
> - return false;
> - }
> -
> lspcon->active = false;
> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>
> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> DRM_DEBUG_KMS("Success: LSPCON init\n");
> return true;
> }
> +
> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
> +{
> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> + struct drm_device *dev = intel_dig_port->base.base.dev;
> + struct drm_i915_private *dev_priv = to_i915(dev);
> + enum drm_lspcon_mode expected_mode;
> +
> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
> + return;
> +
> + if (!lspcon->active) {
> + if (!lspcon_init(intel_dig_port)) {
> + DRM_ERROR("LSPCON init failed on port %c\n",
> + port_name(intel_dig_port->base.port));
> + return;
> + }
> + }
> +
> + if (lspcon_wake_native_aux_ch(lspcon)) {
> + expected_mode = DRM_LSPCON_MODE_PCON;
> + lspcon_resume_in_pcon_wa(lspcon);
> + } else {
> + expected_mode = DRM_LSPCON_MODE_LS;
> + }
> +
> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> + return;
> +
> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> + DRM_ERROR("LSPCON resume failed\n");
> + else
> + DRM_DEBUG_KMS("LSPCON resume success\n");
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
> index 37cfddf8a9c5..169db35db13e 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
> @@ -15,8 +15,7 @@ struct intel_digital_port;
> struct intel_encoder;
> struct intel_lspcon;
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
> -void lspcon_resume(struct intel_lspcon *lspcon);
> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
> void lspcon_write_infoframe(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> --
> 2.17.1
>
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
2020-06-30 8:37 ` Kai-Heng Feng
(?)
@ 2020-07-10 15:48 ` Kai-Heng Feng
-1 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-07-10 15:48 UTC (permalink / raw)
To: Jani Nikula
Cc: Joonas Lahtinen, Rodrigo Vivi, David Airlie, Daniel Vetter,
Ville Syrjälä,
José Roberto de Souza, Imre Deak, Lucas De Marchi,
Manasi Navare, Chris Wilson, Gwan-gyeong Mun, Ramalingam C,
Uma Shankar, Maarten Lankhorst, intel-gfx, open list:DRM DRIVERS,
open list
> On Jun 30, 2020, at 16:37, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
>
>> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>
>> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
>> becomes useless and never responds to cable hotplugging:
>> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
>> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>>
>> Seems like the lspcon chip on the system only gets powered after the
>> cable is plugged.
>>
>> Consilidate lspcon_init() into lspcon_resume() to dynamically init
>> lspcon chip, and make HDMI port work.
>>
>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>
> A gentle ping...
Another gentle ping...
>
>> ---
>> v6:
>> - Rebase on latest for-linux-next.
>>
>> v5:
>> - Consolidate lspcon_resume() with lspcon_init().
>> - Move more logic into lspcon code.
>>
>> v4:
>> - Trust VBT in intel_infoframe_init().
>> - Init lspcon in intel_dp_detect().
>>
>> v3:
>> - Make sure it's handled under long HPD case.
>>
>> v2:
>> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>>
>> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
>> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
>> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
>> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
>> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
>> 5 files changed, 43 insertions(+), 55 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>> index aa22465bb56e..af755b1aa24b 100644
>> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> {
>> struct intel_digital_port *intel_dig_port;
>> struct intel_encoder *encoder;
>> - bool init_hdmi, init_dp, init_lspcon = false;
>> + bool init_hdmi, init_dp;
>> enum phy phy = intel_port_to_phy(dev_priv, port);
>>
>> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
>> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> * is initialized before lspcon.
>> */
>> init_dp = true;
>> - init_lspcon = true;
>> init_hdmi = false;
>> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
>> port_name(port));
>> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> goto err;
>> }
>>
>> - if (init_lspcon) {
>> - if (lspcon_init(intel_dig_port))
>> - /* TODO: handle hdmi info frame part */
>> - drm_dbg_kms(&dev_priv->drm,
>> - "LSPCON init success on port %c\n",
>> - port_name(port));
>> - else
>> - /*
>> - * LSPCON init faied, but DP init was success, so
>> - * lets try to drive as DP++ port.
>> - */
>> - drm_err(&dev_priv->drm,
>> - "LSPCON init failed on port %c\n",
>> - port_name(port));
>> - }
>> -
>> if (INTEL_GEN(dev_priv) >= 11) {
>> if (intel_phy_is_tc(dev_priv, phy))
>> intel_dig_port->connected = intel_tc_port_connected;
>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>> index ed9e53c373a7..398a104158a8 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
>> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
>> {
>> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> u8 *dpcd = intel_dp->dpcd;
>> u8 type;
>>
>> if (WARN_ON(intel_dp_is_edp(intel_dp)))
>> return connector_status_connected;
>>
>> - if (lspcon->active)
>> - lspcon_resume(lspcon);
>> + lspcon_resume(dig_port);
>>
>> if (!intel_dp_get_dpcd(intel_dp))
>> return connector_status_disconnected;
>> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
>> {
>> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> intel_wakeref_t wakeref;
>>
>> if (!HAS_DDI(dev_priv))
>> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>>
>> - if (lspcon->active)
>> - lspcon_resume(lspcon);
>> + lspcon_resume(dig_port);
>>
>> intel_dp->reset_link_params = true;
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> index 010f37240710..643ad2127931 100644
>> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
>> intel_dig_port->set_infoframes = g4x_set_infoframes;
>> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
>> } else if (HAS_DDI(dev_priv)) {
>> - if (intel_dig_port->lspcon.active) {
>> + if (intel_bios_is_lspcon_present(dev_priv,
>> + intel_dig_port->base.port)) {
>> intel_dig_port->write_infoframe = lspcon_write_infoframe;
>> intel_dig_port->read_infoframe = lspcon_read_infoframe;
>> intel_dig_port->set_infoframes = lspcon_set_infoframes;
>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
>> index 6ff7b226f0a1..e3dde4c25604 100644
>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
>> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
>> return 0;
>> }
>>
>> -void lspcon_resume(struct intel_lspcon *lspcon)
>> -{
>> - enum drm_lspcon_mode expected_mode;
>> -
>> - if (lspcon_wake_native_aux_ch(lspcon)) {
>> - expected_mode = DRM_LSPCON_MODE_PCON;
>> - lspcon_resume_in_pcon_wa(lspcon);
>> - } else {
>> - expected_mode = DRM_LSPCON_MODE_LS;
>> - }
>> -
>> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>> - return;
>> -
>> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>> - DRM_ERROR("LSPCON resume failed\n");
>> - else
>> - DRM_DEBUG_KMS("LSPCON resume success\n");
>> -}
>> -
>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
>> {
>> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
>> }
>>
>> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> {
>> struct intel_dp *dp = &intel_dig_port->dp;
>> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>> - struct drm_device *dev = intel_dig_port->base.base.dev;
>> - struct drm_i915_private *dev_priv = to_i915(dev);
>> struct drm_connector *connector = &dp->attached_connector->base;
>>
>> - if (!HAS_LSPCON(dev_priv)) {
>> - DRM_ERROR("LSPCON is not supported on this platform\n");
>> - return false;
>> - }
>> -
>> lspcon->active = false;
>> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>>
>> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> DRM_DEBUG_KMS("Success: LSPCON init\n");
>> return true;
>> }
>> +
>> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
>> +{
>> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>> + struct drm_device *dev = intel_dig_port->base.base.dev;
>> + struct drm_i915_private *dev_priv = to_i915(dev);
>> + enum drm_lspcon_mode expected_mode;
>> +
>> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
>> + return;
>> +
>> + if (!lspcon->active) {
>> + if (!lspcon_init(intel_dig_port)) {
>> + DRM_ERROR("LSPCON init failed on port %c\n",
>> + port_name(intel_dig_port->base.port));
>> + return;
>> + }
>> + }
>> +
>> + if (lspcon_wake_native_aux_ch(lspcon)) {
>> + expected_mode = DRM_LSPCON_MODE_PCON;
>> + lspcon_resume_in_pcon_wa(lspcon);
>> + } else {
>> + expected_mode = DRM_LSPCON_MODE_LS;
>> + }
>> +
>> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>> + return;
>> +
>> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>> + DRM_ERROR("LSPCON resume failed\n");
>> + else
>> + DRM_DEBUG_KMS("LSPCON resume success\n");
>> +}
>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
>> index 37cfddf8a9c5..169db35db13e 100644
>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
>> @@ -15,8 +15,7 @@ struct intel_digital_port;
>> struct intel_encoder;
>> struct intel_lspcon;
>>
>> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
>> -void lspcon_resume(struct intel_lspcon *lspcon);
>> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
>> void lspcon_write_infoframe(struct intel_encoder *encoder,
>> const struct intel_crtc_state *crtc_state,
>> --
>> 2.17.1
>>
>
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-07-10 15:48 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-07-10 15:48 UTC (permalink / raw)
To: Jani Nikula
Cc: David Airlie, Lucas De Marchi, open list,
José Roberto de Souza, Chris Wilson, Manasi Navare,
Uma Shankar, open list:DRM DRIVERS, Rodrigo Vivi,
Gwan-gyeong Mun, intel-gfx
> On Jun 30, 2020, at 16:37, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
>
>> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>
>> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
>> becomes useless and never responds to cable hotplugging:
>> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
>> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>>
>> Seems like the lspcon chip on the system only gets powered after the
>> cable is plugged.
>>
>> Consilidate lspcon_init() into lspcon_resume() to dynamically init
>> lspcon chip, and make HDMI port work.
>>
>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>
> A gentle ping...
Another gentle ping...
>
>> ---
>> v6:
>> - Rebase on latest for-linux-next.
>>
>> v5:
>> - Consolidate lspcon_resume() with lspcon_init().
>> - Move more logic into lspcon code.
>>
>> v4:
>> - Trust VBT in intel_infoframe_init().
>> - Init lspcon in intel_dp_detect().
>>
>> v3:
>> - Make sure it's handled under long HPD case.
>>
>> v2:
>> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>>
>> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
>> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
>> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
>> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
>> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
>> 5 files changed, 43 insertions(+), 55 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>> index aa22465bb56e..af755b1aa24b 100644
>> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> {
>> struct intel_digital_port *intel_dig_port;
>> struct intel_encoder *encoder;
>> - bool init_hdmi, init_dp, init_lspcon = false;
>> + bool init_hdmi, init_dp;
>> enum phy phy = intel_port_to_phy(dev_priv, port);
>>
>> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
>> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> * is initialized before lspcon.
>> */
>> init_dp = true;
>> - init_lspcon = true;
>> init_hdmi = false;
>> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
>> port_name(port));
>> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> goto err;
>> }
>>
>> - if (init_lspcon) {
>> - if (lspcon_init(intel_dig_port))
>> - /* TODO: handle hdmi info frame part */
>> - drm_dbg_kms(&dev_priv->drm,
>> - "LSPCON init success on port %c\n",
>> - port_name(port));
>> - else
>> - /*
>> - * LSPCON init faied, but DP init was success, so
>> - * lets try to drive as DP++ port.
>> - */
>> - drm_err(&dev_priv->drm,
>> - "LSPCON init failed on port %c\n",
>> - port_name(port));
>> - }
>> -
>> if (INTEL_GEN(dev_priv) >= 11) {
>> if (intel_phy_is_tc(dev_priv, phy))
>> intel_dig_port->connected = intel_tc_port_connected;
>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>> index ed9e53c373a7..398a104158a8 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
>> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
>> {
>> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> u8 *dpcd = intel_dp->dpcd;
>> u8 type;
>>
>> if (WARN_ON(intel_dp_is_edp(intel_dp)))
>> return connector_status_connected;
>>
>> - if (lspcon->active)
>> - lspcon_resume(lspcon);
>> + lspcon_resume(dig_port);
>>
>> if (!intel_dp_get_dpcd(intel_dp))
>> return connector_status_disconnected;
>> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
>> {
>> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> intel_wakeref_t wakeref;
>>
>> if (!HAS_DDI(dev_priv))
>> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>>
>> - if (lspcon->active)
>> - lspcon_resume(lspcon);
>> + lspcon_resume(dig_port);
>>
>> intel_dp->reset_link_params = true;
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> index 010f37240710..643ad2127931 100644
>> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
>> intel_dig_port->set_infoframes = g4x_set_infoframes;
>> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
>> } else if (HAS_DDI(dev_priv)) {
>> - if (intel_dig_port->lspcon.active) {
>> + if (intel_bios_is_lspcon_present(dev_priv,
>> + intel_dig_port->base.port)) {
>> intel_dig_port->write_infoframe = lspcon_write_infoframe;
>> intel_dig_port->read_infoframe = lspcon_read_infoframe;
>> intel_dig_port->set_infoframes = lspcon_set_infoframes;
>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
>> index 6ff7b226f0a1..e3dde4c25604 100644
>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
>> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
>> return 0;
>> }
>>
>> -void lspcon_resume(struct intel_lspcon *lspcon)
>> -{
>> - enum drm_lspcon_mode expected_mode;
>> -
>> - if (lspcon_wake_native_aux_ch(lspcon)) {
>> - expected_mode = DRM_LSPCON_MODE_PCON;
>> - lspcon_resume_in_pcon_wa(lspcon);
>> - } else {
>> - expected_mode = DRM_LSPCON_MODE_LS;
>> - }
>> -
>> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>> - return;
>> -
>> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>> - DRM_ERROR("LSPCON resume failed\n");
>> - else
>> - DRM_DEBUG_KMS("LSPCON resume success\n");
>> -}
>> -
>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
>> {
>> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
>> }
>>
>> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> {
>> struct intel_dp *dp = &intel_dig_port->dp;
>> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>> - struct drm_device *dev = intel_dig_port->base.base.dev;
>> - struct drm_i915_private *dev_priv = to_i915(dev);
>> struct drm_connector *connector = &dp->attached_connector->base;
>>
>> - if (!HAS_LSPCON(dev_priv)) {
>> - DRM_ERROR("LSPCON is not supported on this platform\n");
>> - return false;
>> - }
>> -
>> lspcon->active = false;
>> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>>
>> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> DRM_DEBUG_KMS("Success: LSPCON init\n");
>> return true;
>> }
>> +
>> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
>> +{
>> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>> + struct drm_device *dev = intel_dig_port->base.base.dev;
>> + struct drm_i915_private *dev_priv = to_i915(dev);
>> + enum drm_lspcon_mode expected_mode;
>> +
>> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
>> + return;
>> +
>> + if (!lspcon->active) {
>> + if (!lspcon_init(intel_dig_port)) {
>> + DRM_ERROR("LSPCON init failed on port %c\n",
>> + port_name(intel_dig_port->base.port));
>> + return;
>> + }
>> + }
>> +
>> + if (lspcon_wake_native_aux_ch(lspcon)) {
>> + expected_mode = DRM_LSPCON_MODE_PCON;
>> + lspcon_resume_in_pcon_wa(lspcon);
>> + } else {
>> + expected_mode = DRM_LSPCON_MODE_LS;
>> + }
>> +
>> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>> + return;
>> +
>> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>> + DRM_ERROR("LSPCON resume failed\n");
>> + else
>> + DRM_DEBUG_KMS("LSPCON resume success\n");
>> +}
>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
>> index 37cfddf8a9c5..169db35db13e 100644
>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
>> @@ -15,8 +15,7 @@ struct intel_digital_port;
>> struct intel_encoder;
>> struct intel_lspcon;
>>
>> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
>> -void lspcon_resume(struct intel_lspcon *lspcon);
>> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
>> void lspcon_write_infoframe(struct intel_encoder *encoder,
>> const struct intel_crtc_state *crtc_state,
>> --
>> 2.17.1
>>
>
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Intel-gfx] [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-07-10 15:48 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-07-10 15:48 UTC (permalink / raw)
To: Jani Nikula
Cc: David Airlie, Lucas De Marchi, open list, Chris Wilson,
open list:DRM DRIVERS, intel-gfx
> On Jun 30, 2020, at 16:37, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
>
>> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>
>> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
>> becomes useless and never responds to cable hotplugging:
>> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
>> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>>
>> Seems like the lspcon chip on the system only gets powered after the
>> cable is plugged.
>>
>> Consilidate lspcon_init() into lspcon_resume() to dynamically init
>> lspcon chip, and make HDMI port work.
>>
>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>
> A gentle ping...
Another gentle ping...
>
>> ---
>> v6:
>> - Rebase on latest for-linux-next.
>>
>> v5:
>> - Consolidate lspcon_resume() with lspcon_init().
>> - Move more logic into lspcon code.
>>
>> v4:
>> - Trust VBT in intel_infoframe_init().
>> - Init lspcon in intel_dp_detect().
>>
>> v3:
>> - Make sure it's handled under long HPD case.
>>
>> v2:
>> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>>
>> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
>> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
>> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
>> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
>> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
>> 5 files changed, 43 insertions(+), 55 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>> index aa22465bb56e..af755b1aa24b 100644
>> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> {
>> struct intel_digital_port *intel_dig_port;
>> struct intel_encoder *encoder;
>> - bool init_hdmi, init_dp, init_lspcon = false;
>> + bool init_hdmi, init_dp;
>> enum phy phy = intel_port_to_phy(dev_priv, port);
>>
>> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
>> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> * is initialized before lspcon.
>> */
>> init_dp = true;
>> - init_lspcon = true;
>> init_hdmi = false;
>> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
>> port_name(port));
>> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>> goto err;
>> }
>>
>> - if (init_lspcon) {
>> - if (lspcon_init(intel_dig_port))
>> - /* TODO: handle hdmi info frame part */
>> - drm_dbg_kms(&dev_priv->drm,
>> - "LSPCON init success on port %c\n",
>> - port_name(port));
>> - else
>> - /*
>> - * LSPCON init faied, but DP init was success, so
>> - * lets try to drive as DP++ port.
>> - */
>> - drm_err(&dev_priv->drm,
>> - "LSPCON init failed on port %c\n",
>> - port_name(port));
>> - }
>> -
>> if (INTEL_GEN(dev_priv) >= 11) {
>> if (intel_phy_is_tc(dev_priv, phy))
>> intel_dig_port->connected = intel_tc_port_connected;
>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>> index ed9e53c373a7..398a104158a8 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
>> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
>> {
>> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> u8 *dpcd = intel_dp->dpcd;
>> u8 type;
>>
>> if (WARN_ON(intel_dp_is_edp(intel_dp)))
>> return connector_status_connected;
>>
>> - if (lspcon->active)
>> - lspcon_resume(lspcon);
>> + lspcon_resume(dig_port);
>>
>> if (!intel_dp_get_dpcd(intel_dp))
>> return connector_status_disconnected;
>> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
>> {
>> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>> intel_wakeref_t wakeref;
>>
>> if (!HAS_DDI(dev_priv))
>> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>>
>> - if (lspcon->active)
>> - lspcon_resume(lspcon);
>> + lspcon_resume(dig_port);
>>
>> intel_dp->reset_link_params = true;
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> index 010f37240710..643ad2127931 100644
>> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
>> intel_dig_port->set_infoframes = g4x_set_infoframes;
>> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
>> } else if (HAS_DDI(dev_priv)) {
>> - if (intel_dig_port->lspcon.active) {
>> + if (intel_bios_is_lspcon_present(dev_priv,
>> + intel_dig_port->base.port)) {
>> intel_dig_port->write_infoframe = lspcon_write_infoframe;
>> intel_dig_port->read_infoframe = lspcon_read_infoframe;
>> intel_dig_port->set_infoframes = lspcon_set_infoframes;
>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
>> index 6ff7b226f0a1..e3dde4c25604 100644
>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
>> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
>> return 0;
>> }
>>
>> -void lspcon_resume(struct intel_lspcon *lspcon)
>> -{
>> - enum drm_lspcon_mode expected_mode;
>> -
>> - if (lspcon_wake_native_aux_ch(lspcon)) {
>> - expected_mode = DRM_LSPCON_MODE_PCON;
>> - lspcon_resume_in_pcon_wa(lspcon);
>> - } else {
>> - expected_mode = DRM_LSPCON_MODE_LS;
>> - }
>> -
>> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>> - return;
>> -
>> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>> - DRM_ERROR("LSPCON resume failed\n");
>> - else
>> - DRM_DEBUG_KMS("LSPCON resume success\n");
>> -}
>> -
>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
>> {
>> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
>> }
>>
>> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> {
>> struct intel_dp *dp = &intel_dig_port->dp;
>> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>> - struct drm_device *dev = intel_dig_port->base.base.dev;
>> - struct drm_i915_private *dev_priv = to_i915(dev);
>> struct drm_connector *connector = &dp->attached_connector->base;
>>
>> - if (!HAS_LSPCON(dev_priv)) {
>> - DRM_ERROR("LSPCON is not supported on this platform\n");
>> - return false;
>> - }
>> -
>> lspcon->active = false;
>> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>>
>> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
>> DRM_DEBUG_KMS("Success: LSPCON init\n");
>> return true;
>> }
>> +
>> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
>> +{
>> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>> + struct drm_device *dev = intel_dig_port->base.base.dev;
>> + struct drm_i915_private *dev_priv = to_i915(dev);
>> + enum drm_lspcon_mode expected_mode;
>> +
>> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
>> + return;
>> +
>> + if (!lspcon->active) {
>> + if (!lspcon_init(intel_dig_port)) {
>> + DRM_ERROR("LSPCON init failed on port %c\n",
>> + port_name(intel_dig_port->base.port));
>> + return;
>> + }
>> + }
>> +
>> + if (lspcon_wake_native_aux_ch(lspcon)) {
>> + expected_mode = DRM_LSPCON_MODE_PCON;
>> + lspcon_resume_in_pcon_wa(lspcon);
>> + } else {
>> + expected_mode = DRM_LSPCON_MODE_LS;
>> + }
>> +
>> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>> + return;
>> +
>> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>> + DRM_ERROR("LSPCON resume failed\n");
>> + else
>> + DRM_DEBUG_KMS("LSPCON resume success\n");
>> +}
>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
>> index 37cfddf8a9c5..169db35db13e 100644
>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
>> @@ -15,8 +15,7 @@ struct intel_digital_port;
>> struct intel_encoder;
>> struct intel_lspcon;
>>
>> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
>> -void lspcon_resume(struct intel_lspcon *lspcon);
>> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
>> void lspcon_write_infoframe(struct intel_encoder *encoder,
>> const struct intel_crtc_state *crtc_state,
>> --
>> 2.17.1
>>
>
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
2020-07-10 15:48 ` Kai-Heng Feng
(?)
@ 2020-09-28 9:10 ` Kai-Heng Feng
-1 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-09-28 9:10 UTC (permalink / raw)
To: Jani Nikula
Cc: Joonas Lahtinen, Rodrigo Vivi, David Airlie, Daniel Vetter,
Ville Syrjälä,
José Roberto de Souza, Imre Deak, Lucas De Marchi,
Manasi Navare, Chris Wilson, Gwan-gyeong Mun, Ramalingam C,
Uma Shankar, Maarten Lankhorst, intel-gfx, open list:DRM DRIVERS,
open list
Hi Jani,
> On Jul 10, 2020, at 23:48, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
>
>
>> On Jun 30, 2020, at 16:37, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>
>>
>>> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>>
>>> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
>>> becomes useless and never responds to cable hotplugging:
>>> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
>>> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>>>
>>> Seems like the lspcon chip on the system only gets powered after the
>>> cable is plugged.
>>>
>>> Consilidate lspcon_init() into lspcon_resume() to dynamically init
>>> lspcon chip, and make HDMI port work.
>>>
>>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>>
>> A gentle ping...
>
> Another gentle ping...
Can you please help reviewing this? Thanks!
Kai-Heng
>
>>
>>> ---
>>> v6:
>>> - Rebase on latest for-linux-next.
>>>
>>> v5:
>>> - Consolidate lspcon_resume() with lspcon_init().
>>> - Move more logic into lspcon code.
>>>
>>> v4:
>>> - Trust VBT in intel_infoframe_init().
>>> - Init lspcon in intel_dp_detect().
>>>
>>> v3:
>>> - Make sure it's handled under long HPD case.
>>>
>>> v2:
>>> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>>>
>>> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
>>> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
>>> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
>>> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
>>> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
>>> 5 files changed, 43 insertions(+), 55 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>>> index aa22465bb56e..af755b1aa24b 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>>> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> {
>>> struct intel_digital_port *intel_dig_port;
>>> struct intel_encoder *encoder;
>>> - bool init_hdmi, init_dp, init_lspcon = false;
>>> + bool init_hdmi, init_dp;
>>> enum phy phy = intel_port_to_phy(dev_priv, port);
>>>
>>> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
>>> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> * is initialized before lspcon.
>>> */
>>> init_dp = true;
>>> - init_lspcon = true;
>>> init_hdmi = false;
>>> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
>>> port_name(port));
>>> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> goto err;
>>> }
>>>
>>> - if (init_lspcon) {
>>> - if (lspcon_init(intel_dig_port))
>>> - /* TODO: handle hdmi info frame part */
>>> - drm_dbg_kms(&dev_priv->drm,
>>> - "LSPCON init success on port %c\n",
>>> - port_name(port));
>>> - else
>>> - /*
>>> - * LSPCON init faied, but DP init was success, so
>>> - * lets try to drive as DP++ port.
>>> - */
>>> - drm_err(&dev_priv->drm,
>>> - "LSPCON init failed on port %c\n",
>>> - port_name(port));
>>> - }
>>> -
>>> if (INTEL_GEN(dev_priv) >= 11) {
>>> if (intel_phy_is_tc(dev_priv, phy))
>>> intel_dig_port->connected = intel_tc_port_connected;
>>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>>> index ed9e53c373a7..398a104158a8 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>>> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
>>> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
>>> {
>>> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
>>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>>> u8 *dpcd = intel_dp->dpcd;
>>> u8 type;
>>>
>>> if (WARN_ON(intel_dp_is_edp(intel_dp)))
>>> return connector_status_connected;
>>>
>>> - if (lspcon->active)
>>> - lspcon_resume(lspcon);
>>> + lspcon_resume(dig_port);
>>>
>>> if (!intel_dp_get_dpcd(intel_dp))
>>> return connector_status_disconnected;
>>> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
>>> {
>>> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>>> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
>>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>>> intel_wakeref_t wakeref;
>>>
>>> if (!HAS_DDI(dev_priv))
>>> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>>>
>>> - if (lspcon->active)
>>> - lspcon_resume(lspcon);
>>> + lspcon_resume(dig_port);
>>>
>>> intel_dp->reset_link_params = true;
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> index 010f37240710..643ad2127931 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
>>> intel_dig_port->set_infoframes = g4x_set_infoframes;
>>> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
>>> } else if (HAS_DDI(dev_priv)) {
>>> - if (intel_dig_port->lspcon.active) {
>>> + if (intel_bios_is_lspcon_present(dev_priv,
>>> + intel_dig_port->base.port)) {
>>> intel_dig_port->write_infoframe = lspcon_write_infoframe;
>>> intel_dig_port->read_infoframe = lspcon_read_infoframe;
>>> intel_dig_port->set_infoframes = lspcon_set_infoframes;
>>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> index 6ff7b226f0a1..e3dde4c25604 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
>>> return 0;
>>> }
>>>
>>> -void lspcon_resume(struct intel_lspcon *lspcon)
>>> -{
>>> - enum drm_lspcon_mode expected_mode;
>>> -
>>> - if (lspcon_wake_native_aux_ch(lspcon)) {
>>> - expected_mode = DRM_LSPCON_MODE_PCON;
>>> - lspcon_resume_in_pcon_wa(lspcon);
>>> - } else {
>>> - expected_mode = DRM_LSPCON_MODE_LS;
>>> - }
>>> -
>>> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>>> - return;
>>> -
>>> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>>> - DRM_ERROR("LSPCON resume failed\n");
>>> - else
>>> - DRM_DEBUG_KMS("LSPCON resume success\n");
>>> -}
>>> -
>>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
>>> {
>>> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
>>> }
>>>
>>> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> {
>>> struct intel_dp *dp = &intel_dig_port->dp;
>>> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>>> - struct drm_device *dev = intel_dig_port->base.base.dev;
>>> - struct drm_i915_private *dev_priv = to_i915(dev);
>>> struct drm_connector *connector = &dp->attached_connector->base;
>>>
>>> - if (!HAS_LSPCON(dev_priv)) {
>>> - DRM_ERROR("LSPCON is not supported on this platform\n");
>>> - return false;
>>> - }
>>> -
>>> lspcon->active = false;
>>> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>>>
>>> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> DRM_DEBUG_KMS("Success: LSPCON init\n");
>>> return true;
>>> }
>>> +
>>> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
>>> +{
>>> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>>> + struct drm_device *dev = intel_dig_port->base.base.dev;
>>> + struct drm_i915_private *dev_priv = to_i915(dev);
>>> + enum drm_lspcon_mode expected_mode;
>>> +
>>> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
>>> + return;
>>> +
>>> + if (!lspcon->active) {
>>> + if (!lspcon_init(intel_dig_port)) {
>>> + DRM_ERROR("LSPCON init failed on port %c\n",
>>> + port_name(intel_dig_port->base.port));
>>> + return;
>>> + }
>>> + }
>>> +
>>> + if (lspcon_wake_native_aux_ch(lspcon)) {
>>> + expected_mode = DRM_LSPCON_MODE_PCON;
>>> + lspcon_resume_in_pcon_wa(lspcon);
>>> + } else {
>>> + expected_mode = DRM_LSPCON_MODE_LS;
>>> + }
>>> +
>>> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>>> + return;
>>> +
>>> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>>> + DRM_ERROR("LSPCON resume failed\n");
>>> + else
>>> + DRM_DEBUG_KMS("LSPCON resume success\n");
>>> +}
>>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> index 37cfddf8a9c5..169db35db13e 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> @@ -15,8 +15,7 @@ struct intel_digital_port;
>>> struct intel_encoder;
>>> struct intel_lspcon;
>>>
>>> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
>>> -void lspcon_resume(struct intel_lspcon *lspcon);
>>> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
>>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
>>> void lspcon_write_infoframe(struct intel_encoder *encoder,
>>> const struct intel_crtc_state *crtc_state,
>>> --
>>> 2.17.1
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-09-28 9:10 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-09-28 9:10 UTC (permalink / raw)
To: Jani Nikula
Cc: David Airlie, Lucas De Marchi, open list,
José Roberto de Souza, Chris Wilson, Manasi Navare,
Uma Shankar, open list:DRM DRIVERS, Rodrigo Vivi,
Gwan-gyeong Mun, intel-gfx
Hi Jani,
> On Jul 10, 2020, at 23:48, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
>
>
>> On Jun 30, 2020, at 16:37, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>
>>
>>> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>>
>>> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
>>> becomes useless and never responds to cable hotplugging:
>>> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
>>> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>>>
>>> Seems like the lspcon chip on the system only gets powered after the
>>> cable is plugged.
>>>
>>> Consilidate lspcon_init() into lspcon_resume() to dynamically init
>>> lspcon chip, and make HDMI port work.
>>>
>>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>>
>> A gentle ping...
>
> Another gentle ping...
Can you please help reviewing this? Thanks!
Kai-Heng
>
>>
>>> ---
>>> v6:
>>> - Rebase on latest for-linux-next.
>>>
>>> v5:
>>> - Consolidate lspcon_resume() with lspcon_init().
>>> - Move more logic into lspcon code.
>>>
>>> v4:
>>> - Trust VBT in intel_infoframe_init().
>>> - Init lspcon in intel_dp_detect().
>>>
>>> v3:
>>> - Make sure it's handled under long HPD case.
>>>
>>> v2:
>>> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>>>
>>> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
>>> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
>>> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
>>> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
>>> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
>>> 5 files changed, 43 insertions(+), 55 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>>> index aa22465bb56e..af755b1aa24b 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>>> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> {
>>> struct intel_digital_port *intel_dig_port;
>>> struct intel_encoder *encoder;
>>> - bool init_hdmi, init_dp, init_lspcon = false;
>>> + bool init_hdmi, init_dp;
>>> enum phy phy = intel_port_to_phy(dev_priv, port);
>>>
>>> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
>>> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> * is initialized before lspcon.
>>> */
>>> init_dp = true;
>>> - init_lspcon = true;
>>> init_hdmi = false;
>>> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
>>> port_name(port));
>>> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> goto err;
>>> }
>>>
>>> - if (init_lspcon) {
>>> - if (lspcon_init(intel_dig_port))
>>> - /* TODO: handle hdmi info frame part */
>>> - drm_dbg_kms(&dev_priv->drm,
>>> - "LSPCON init success on port %c\n",
>>> - port_name(port));
>>> - else
>>> - /*
>>> - * LSPCON init faied, but DP init was success, so
>>> - * lets try to drive as DP++ port.
>>> - */
>>> - drm_err(&dev_priv->drm,
>>> - "LSPCON init failed on port %c\n",
>>> - port_name(port));
>>> - }
>>> -
>>> if (INTEL_GEN(dev_priv) >= 11) {
>>> if (intel_phy_is_tc(dev_priv, phy))
>>> intel_dig_port->connected = intel_tc_port_connected;
>>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>>> index ed9e53c373a7..398a104158a8 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>>> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
>>> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
>>> {
>>> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
>>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>>> u8 *dpcd = intel_dp->dpcd;
>>> u8 type;
>>>
>>> if (WARN_ON(intel_dp_is_edp(intel_dp)))
>>> return connector_status_connected;
>>>
>>> - if (lspcon->active)
>>> - lspcon_resume(lspcon);
>>> + lspcon_resume(dig_port);
>>>
>>> if (!intel_dp_get_dpcd(intel_dp))
>>> return connector_status_disconnected;
>>> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
>>> {
>>> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>>> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
>>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>>> intel_wakeref_t wakeref;
>>>
>>> if (!HAS_DDI(dev_priv))
>>> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>>>
>>> - if (lspcon->active)
>>> - lspcon_resume(lspcon);
>>> + lspcon_resume(dig_port);
>>>
>>> intel_dp->reset_link_params = true;
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> index 010f37240710..643ad2127931 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
>>> intel_dig_port->set_infoframes = g4x_set_infoframes;
>>> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
>>> } else if (HAS_DDI(dev_priv)) {
>>> - if (intel_dig_port->lspcon.active) {
>>> + if (intel_bios_is_lspcon_present(dev_priv,
>>> + intel_dig_port->base.port)) {
>>> intel_dig_port->write_infoframe = lspcon_write_infoframe;
>>> intel_dig_port->read_infoframe = lspcon_read_infoframe;
>>> intel_dig_port->set_infoframes = lspcon_set_infoframes;
>>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> index 6ff7b226f0a1..e3dde4c25604 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
>>> return 0;
>>> }
>>>
>>> -void lspcon_resume(struct intel_lspcon *lspcon)
>>> -{
>>> - enum drm_lspcon_mode expected_mode;
>>> -
>>> - if (lspcon_wake_native_aux_ch(lspcon)) {
>>> - expected_mode = DRM_LSPCON_MODE_PCON;
>>> - lspcon_resume_in_pcon_wa(lspcon);
>>> - } else {
>>> - expected_mode = DRM_LSPCON_MODE_LS;
>>> - }
>>> -
>>> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>>> - return;
>>> -
>>> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>>> - DRM_ERROR("LSPCON resume failed\n");
>>> - else
>>> - DRM_DEBUG_KMS("LSPCON resume success\n");
>>> -}
>>> -
>>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
>>> {
>>> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
>>> }
>>>
>>> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> {
>>> struct intel_dp *dp = &intel_dig_port->dp;
>>> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>>> - struct drm_device *dev = intel_dig_port->base.base.dev;
>>> - struct drm_i915_private *dev_priv = to_i915(dev);
>>> struct drm_connector *connector = &dp->attached_connector->base;
>>>
>>> - if (!HAS_LSPCON(dev_priv)) {
>>> - DRM_ERROR("LSPCON is not supported on this platform\n");
>>> - return false;
>>> - }
>>> -
>>> lspcon->active = false;
>>> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>>>
>>> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> DRM_DEBUG_KMS("Success: LSPCON init\n");
>>> return true;
>>> }
>>> +
>>> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
>>> +{
>>> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>>> + struct drm_device *dev = intel_dig_port->base.base.dev;
>>> + struct drm_i915_private *dev_priv = to_i915(dev);
>>> + enum drm_lspcon_mode expected_mode;
>>> +
>>> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
>>> + return;
>>> +
>>> + if (!lspcon->active) {
>>> + if (!lspcon_init(intel_dig_port)) {
>>> + DRM_ERROR("LSPCON init failed on port %c\n",
>>> + port_name(intel_dig_port->base.port));
>>> + return;
>>> + }
>>> + }
>>> +
>>> + if (lspcon_wake_native_aux_ch(lspcon)) {
>>> + expected_mode = DRM_LSPCON_MODE_PCON;
>>> + lspcon_resume_in_pcon_wa(lspcon);
>>> + } else {
>>> + expected_mode = DRM_LSPCON_MODE_LS;
>>> + }
>>> +
>>> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>>> + return;
>>> +
>>> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>>> + DRM_ERROR("LSPCON resume failed\n");
>>> + else
>>> + DRM_DEBUG_KMS("LSPCON resume success\n");
>>> +}
>>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> index 37cfddf8a9c5..169db35db13e 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> @@ -15,8 +15,7 @@ struct intel_digital_port;
>>> struct intel_encoder;
>>> struct intel_lspcon;
>>>
>>> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
>>> -void lspcon_resume(struct intel_lspcon *lspcon);
>>> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
>>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
>>> void lspcon_write_infoframe(struct intel_encoder *encoder,
>>> const struct intel_crtc_state *crtc_state,
>>> --
>>> 2.17.1
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Intel-gfx] [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-09-28 9:10 ` Kai-Heng Feng
0 siblings, 0 replies; 17+ messages in thread
From: Kai-Heng Feng @ 2020-09-28 9:10 UTC (permalink / raw)
To: Jani Nikula
Cc: David Airlie, Lucas De Marchi, open list, Chris Wilson,
open list:DRM DRIVERS, intel-gfx
Hi Jani,
> On Jul 10, 2020, at 23:48, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
>
>
>> On Jun 30, 2020, at 16:37, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>
>>
>>> On Jun 10, 2020, at 15:55, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>>>
>>> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
>>> becomes useless and never responds to cable hotplugging:
>>> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
>>> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>>>
>>> Seems like the lspcon chip on the system only gets powered after the
>>> cable is plugged.
>>>
>>> Consilidate lspcon_init() into lspcon_resume() to dynamically init
>>> lspcon chip, and make HDMI port work.
>>>
>>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>>
>> A gentle ping...
>
> Another gentle ping...
Can you please help reviewing this? Thanks!
Kai-Heng
>
>>
>>> ---
>>> v6:
>>> - Rebase on latest for-linux-next.
>>>
>>> v5:
>>> - Consolidate lspcon_resume() with lspcon_init().
>>> - Move more logic into lspcon code.
>>>
>>> v4:
>>> - Trust VBT in intel_infoframe_init().
>>> - Init lspcon in intel_dp_detect().
>>>
>>> v3:
>>> - Make sure it's handled under long HPD case.
>>>
>>> v2:
>>> - Move lspcon_init() inside of intel_dp_hpd_pulse().
>>>
>>> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
>>> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
>>> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
>>> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
>>> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
>>> 5 files changed, 43 insertions(+), 55 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>>> index aa22465bb56e..af755b1aa24b 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>>> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> {
>>> struct intel_digital_port *intel_dig_port;
>>> struct intel_encoder *encoder;
>>> - bool init_hdmi, init_dp, init_lspcon = false;
>>> + bool init_hdmi, init_dp;
>>> enum phy phy = intel_port_to_phy(dev_priv, port);
>>>
>>> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
>>> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> * is initialized before lspcon.
>>> */
>>> init_dp = true;
>>> - init_lspcon = true;
>>> init_hdmi = false;
>>> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
>>> port_name(port));
>>> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>>> goto err;
>>> }
>>>
>>> - if (init_lspcon) {
>>> - if (lspcon_init(intel_dig_port))
>>> - /* TODO: handle hdmi info frame part */
>>> - drm_dbg_kms(&dev_priv->drm,
>>> - "LSPCON init success on port %c\n",
>>> - port_name(port));
>>> - else
>>> - /*
>>> - * LSPCON init faied, but DP init was success, so
>>> - * lets try to drive as DP++ port.
>>> - */
>>> - drm_err(&dev_priv->drm,
>>> - "LSPCON init failed on port %c\n",
>>> - port_name(port));
>>> - }
>>> -
>>> if (INTEL_GEN(dev_priv) >= 11) {
>>> if (intel_phy_is_tc(dev_priv, phy))
>>> intel_dig_port->connected = intel_tc_port_connected;
>>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>>> index ed9e53c373a7..398a104158a8 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>>> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
>>> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
>>> {
>>> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
>>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>>> u8 *dpcd = intel_dp->dpcd;
>>> u8 type;
>>>
>>> if (WARN_ON(intel_dp_is_edp(intel_dp)))
>>> return connector_status_connected;
>>>
>>> - if (lspcon->active)
>>> - lspcon_resume(lspcon);
>>> + lspcon_resume(dig_port);
>>>
>>> if (!intel_dp_get_dpcd(intel_dp))
>>> return connector_status_disconnected;
>>> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
>>> {
>>> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>>> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
>>> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
>>> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>>> intel_wakeref_t wakeref;
>>>
>>> if (!HAS_DDI(dev_priv))
>>> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>>>
>>> - if (lspcon->active)
>>> - lspcon_resume(lspcon);
>>> + lspcon_resume(dig_port);
>>>
>>> intel_dp->reset_link_params = true;
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> index 010f37240710..643ad2127931 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>>> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
>>> intel_dig_port->set_infoframes = g4x_set_infoframes;
>>> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
>>> } else if (HAS_DDI(dev_priv)) {
>>> - if (intel_dig_port->lspcon.active) {
>>> + if (intel_bios_is_lspcon_present(dev_priv,
>>> + intel_dig_port->base.port)) {
>>> intel_dig_port->write_infoframe = lspcon_write_infoframe;
>>> intel_dig_port->read_infoframe = lspcon_read_infoframe;
>>> intel_dig_port->set_infoframes = lspcon_set_infoframes;
>>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> index 6ff7b226f0a1..e3dde4c25604 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
>>> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
>>> return 0;
>>> }
>>>
>>> -void lspcon_resume(struct intel_lspcon *lspcon)
>>> -{
>>> - enum drm_lspcon_mode expected_mode;
>>> -
>>> - if (lspcon_wake_native_aux_ch(lspcon)) {
>>> - expected_mode = DRM_LSPCON_MODE_PCON;
>>> - lspcon_resume_in_pcon_wa(lspcon);
>>> - } else {
>>> - expected_mode = DRM_LSPCON_MODE_LS;
>>> - }
>>> -
>>> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>>> - return;
>>> -
>>> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>>> - DRM_ERROR("LSPCON resume failed\n");
>>> - else
>>> - DRM_DEBUG_KMS("LSPCON resume success\n");
>>> -}
>>> -
>>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
>>> {
>>> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
>>> }
>>>
>>> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> {
>>> struct intel_dp *dp = &intel_dig_port->dp;
>>> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>>> - struct drm_device *dev = intel_dig_port->base.base.dev;
>>> - struct drm_i915_private *dev_priv = to_i915(dev);
>>> struct drm_connector *connector = &dp->attached_connector->base;
>>>
>>> - if (!HAS_LSPCON(dev_priv)) {
>>> - DRM_ERROR("LSPCON is not supported on this platform\n");
>>> - return false;
>>> - }
>>> -
>>> lspcon->active = false;
>>> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>>>
>>> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
>>> DRM_DEBUG_KMS("Success: LSPCON init\n");
>>> return true;
>>> }
>>> +
>>> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
>>> +{
>>> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
>>> + struct drm_device *dev = intel_dig_port->base.base.dev;
>>> + struct drm_i915_private *dev_priv = to_i915(dev);
>>> + enum drm_lspcon_mode expected_mode;
>>> +
>>> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
>>> + return;
>>> +
>>> + if (!lspcon->active) {
>>> + if (!lspcon_init(intel_dig_port)) {
>>> + DRM_ERROR("LSPCON init failed on port %c\n",
>>> + port_name(intel_dig_port->base.port));
>>> + return;
>>> + }
>>> + }
>>> +
>>> + if (lspcon_wake_native_aux_ch(lspcon)) {
>>> + expected_mode = DRM_LSPCON_MODE_PCON;
>>> + lspcon_resume_in_pcon_wa(lspcon);
>>> + } else {
>>> + expected_mode = DRM_LSPCON_MODE_LS;
>>> + }
>>> +
>>> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
>>> + return;
>>> +
>>> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
>>> + DRM_ERROR("LSPCON resume failed\n");
>>> + else
>>> + DRM_DEBUG_KMS("LSPCON resume success\n");
>>> +}
>>> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> index 37cfddf8a9c5..169db35db13e 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
>>> @@ -15,8 +15,7 @@ struct intel_digital_port;
>>> struct intel_encoder;
>>> struct intel_lspcon;
>>>
>>> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
>>> -void lspcon_resume(struct intel_lspcon *lspcon);
>>> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
>>> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
>>> void lspcon_write_infoframe(struct intel_encoder *encoder,
>>> const struct intel_crtc_state *crtc_state,
>>> --
>>> 2.17.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
2020-06-10 7:55 ` Kai-Heng Feng
(?)
@ 2020-10-01 16:24 ` Ville Syrjälä
-1 siblings, 0 replies; 17+ messages in thread
From: Ville Syrjälä @ 2020-10-01 16:24 UTC (permalink / raw)
To: Kai-Heng Feng
Cc: jani.nikula, Joonas Lahtinen, Rodrigo Vivi, David Airlie,
Daniel Vetter, José Roberto de Souza, Imre Deak,
Lucas De Marchi, Manasi Navare, Chris Wilson, Gwan-gyeong Mun,
Ramalingam C, Uma Shankar, Maarten Lankhorst, intel-gfx,
open list:DRM DRIVERS, open list
On Wed, Jun 10, 2020 at 03:55:10PM +0800, Kai-Heng Feng wrote:
> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
> becomes useless and never responds to cable hotplugging:
> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>
> Seems like the lspcon chip on the system only gets powered after the
> cable is plugged.
>
> Consilidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
> ---
> v6:
> - Rebase on latest for-linux-next.
>
> v5:
> - Consolidate lspcon_resume() with lspcon_init().
> - Move more logic into lspcon code.
>
> v4:
> - Trust VBT in intel_infoframe_init().
> - Init lspcon in intel_dp_detect().
>
> v3:
> - Make sure it's handled under long HPD case.
>
> v2:
> - Move lspcon_init() inside of intel_dp_hpd_pulse().
Hoisted the changelog above --- where it belongs in drm land,
amended with
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/203
and pushed the patch to dinq.
Thanks, and sorry for the horrendous latency.
PS. This will cause some headache for Uma's lspcon HDR stuff, but
so be it.
>
> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
> 5 files changed, 43 insertions(+), 55 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index aa22465bb56e..af755b1aa24b 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> {
> struct intel_digital_port *intel_dig_port;
> struct intel_encoder *encoder;
> - bool init_hdmi, init_dp, init_lspcon = false;
> + bool init_hdmi, init_dp;
> enum phy phy = intel_port_to_phy(dev_priv, port);
>
> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> * is initialized before lspcon.
> */
> init_dp = true;
> - init_lspcon = true;
> init_hdmi = false;
> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
> port_name(port));
> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> goto err;
> }
>
> - if (init_lspcon) {
> - if (lspcon_init(intel_dig_port))
> - /* TODO: handle hdmi info frame part */
> - drm_dbg_kms(&dev_priv->drm,
> - "LSPCON init success on port %c\n",
> - port_name(port));
> - else
> - /*
> - * LSPCON init faied, but DP init was success, so
> - * lets try to drive as DP++ port.
> - */
> - drm_err(&dev_priv->drm,
> - "LSPCON init failed on port %c\n",
> - port_name(port));
> - }
> -
> if (INTEL_GEN(dev_priv) >= 11) {
> if (intel_phy_is_tc(dev_priv, phy))
> intel_dig_port->connected = intel_tc_port_connected;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index ed9e53c373a7..398a104158a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
> {
> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> u8 *dpcd = intel_dp->dpcd;
> u8 type;
>
> if (WARN_ON(intel_dp_is_edp(intel_dp)))
> return connector_status_connected;
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> if (!intel_dp_get_dpcd(intel_dp))
> return connector_status_disconnected;
> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> intel_wakeref_t wakeref;
>
> if (!HAS_DDI(dev_priv))
> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> intel_dp->reset_link_params = true;
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 010f37240710..643ad2127931 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
> intel_dig_port->set_infoframes = g4x_set_infoframes;
> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
> } else if (HAS_DDI(dev_priv)) {
> - if (intel_dig_port->lspcon.active) {
> + if (intel_bios_is_lspcon_present(dev_priv,
> + intel_dig_port->base.port)) {
> intel_dig_port->write_infoframe = lspcon_write_infoframe;
> intel_dig_port->read_infoframe = lspcon_read_infoframe;
> intel_dig_port->set_infoframes = lspcon_set_infoframes;
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 6ff7b226f0a1..e3dde4c25604 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
> return 0;
> }
>
> -void lspcon_resume(struct intel_lspcon *lspcon)
> -{
> - enum drm_lspcon_mode expected_mode;
> -
> - if (lspcon_wake_native_aux_ch(lspcon)) {
> - expected_mode = DRM_LSPCON_MODE_PCON;
> - lspcon_resume_in_pcon_wa(lspcon);
> - } else {
> - expected_mode = DRM_LSPCON_MODE_LS;
> - }
> -
> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> - return;
> -
> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> - DRM_ERROR("LSPCON resume failed\n");
> - else
> - DRM_DEBUG_KMS("LSPCON resume success\n");
> -}
> -
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
> {
> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
> }
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
> {
> struct intel_dp *dp = &intel_dig_port->dp;
> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> - struct drm_device *dev = intel_dig_port->base.base.dev;
> - struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_connector *connector = &dp->attached_connector->base;
>
> - if (!HAS_LSPCON(dev_priv)) {
> - DRM_ERROR("LSPCON is not supported on this platform\n");
> - return false;
> - }
> -
> lspcon->active = false;
> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>
> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> DRM_DEBUG_KMS("Success: LSPCON init\n");
> return true;
> }
> +
> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
> +{
> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> + struct drm_device *dev = intel_dig_port->base.base.dev;
> + struct drm_i915_private *dev_priv = to_i915(dev);
> + enum drm_lspcon_mode expected_mode;
> +
> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
> + return;
> +
> + if (!lspcon->active) {
> + if (!lspcon_init(intel_dig_port)) {
> + DRM_ERROR("LSPCON init failed on port %c\n",
> + port_name(intel_dig_port->base.port));
> + return;
> + }
> + }
> +
> + if (lspcon_wake_native_aux_ch(lspcon)) {
> + expected_mode = DRM_LSPCON_MODE_PCON;
> + lspcon_resume_in_pcon_wa(lspcon);
> + } else {
> + expected_mode = DRM_LSPCON_MODE_LS;
> + }
> +
> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> + return;
> +
> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> + DRM_ERROR("LSPCON resume failed\n");
> + else
> + DRM_DEBUG_KMS("LSPCON resume success\n");
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
> index 37cfddf8a9c5..169db35db13e 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
> @@ -15,8 +15,7 @@ struct intel_digital_port;
> struct intel_encoder;
> struct intel_lspcon;
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
> -void lspcon_resume(struct intel_lspcon *lspcon);
> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
> void lspcon_write_infoframe(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> --
> 2.17.1
--
Ville Syrjälä
Intel
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-10-01 16:24 ` Ville Syrjälä
0 siblings, 0 replies; 17+ messages in thread
From: Ville Syrjälä @ 2020-10-01 16:24 UTC (permalink / raw)
To: Kai-Heng Feng
Cc: open list:DRM DRIVERS, David Airlie, Lucas De Marchi, open list,
José Roberto de Souza, Chris Wilson, Manasi Navare,
Uma Shankar, Rodrigo Vivi, Gwan-gyeong Mun, intel-gfx
On Wed, Jun 10, 2020 at 03:55:10PM +0800, Kai-Heng Feng wrote:
> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
> becomes useless and never responds to cable hotplugging:
> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>
> Seems like the lspcon chip on the system only gets powered after the
> cable is plugged.
>
> Consilidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
> ---
> v6:
> - Rebase on latest for-linux-next.
>
> v5:
> - Consolidate lspcon_resume() with lspcon_init().
> - Move more logic into lspcon code.
>
> v4:
> - Trust VBT in intel_infoframe_init().
> - Init lspcon in intel_dp_detect().
>
> v3:
> - Make sure it's handled under long HPD case.
>
> v2:
> - Move lspcon_init() inside of intel_dp_hpd_pulse().
Hoisted the changelog above --- where it belongs in drm land,
amended with
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/203
and pushed the patch to dinq.
Thanks, and sorry for the horrendous latency.
PS. This will cause some headache for Uma's lspcon HDR stuff, but
so be it.
>
> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
> 5 files changed, 43 insertions(+), 55 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index aa22465bb56e..af755b1aa24b 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> {
> struct intel_digital_port *intel_dig_port;
> struct intel_encoder *encoder;
> - bool init_hdmi, init_dp, init_lspcon = false;
> + bool init_hdmi, init_dp;
> enum phy phy = intel_port_to_phy(dev_priv, port);
>
> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> * is initialized before lspcon.
> */
> init_dp = true;
> - init_lspcon = true;
> init_hdmi = false;
> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
> port_name(port));
> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> goto err;
> }
>
> - if (init_lspcon) {
> - if (lspcon_init(intel_dig_port))
> - /* TODO: handle hdmi info frame part */
> - drm_dbg_kms(&dev_priv->drm,
> - "LSPCON init success on port %c\n",
> - port_name(port));
> - else
> - /*
> - * LSPCON init faied, but DP init was success, so
> - * lets try to drive as DP++ port.
> - */
> - drm_err(&dev_priv->drm,
> - "LSPCON init failed on port %c\n",
> - port_name(port));
> - }
> -
> if (INTEL_GEN(dev_priv) >= 11) {
> if (intel_phy_is_tc(dev_priv, phy))
> intel_dig_port->connected = intel_tc_port_connected;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index ed9e53c373a7..398a104158a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
> {
> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> u8 *dpcd = intel_dp->dpcd;
> u8 type;
>
> if (WARN_ON(intel_dp_is_edp(intel_dp)))
> return connector_status_connected;
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> if (!intel_dp_get_dpcd(intel_dp))
> return connector_status_disconnected;
> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> intel_wakeref_t wakeref;
>
> if (!HAS_DDI(dev_priv))
> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> intel_dp->reset_link_params = true;
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 010f37240710..643ad2127931 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
> intel_dig_port->set_infoframes = g4x_set_infoframes;
> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
> } else if (HAS_DDI(dev_priv)) {
> - if (intel_dig_port->lspcon.active) {
> + if (intel_bios_is_lspcon_present(dev_priv,
> + intel_dig_port->base.port)) {
> intel_dig_port->write_infoframe = lspcon_write_infoframe;
> intel_dig_port->read_infoframe = lspcon_read_infoframe;
> intel_dig_port->set_infoframes = lspcon_set_infoframes;
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 6ff7b226f0a1..e3dde4c25604 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
> return 0;
> }
>
> -void lspcon_resume(struct intel_lspcon *lspcon)
> -{
> - enum drm_lspcon_mode expected_mode;
> -
> - if (lspcon_wake_native_aux_ch(lspcon)) {
> - expected_mode = DRM_LSPCON_MODE_PCON;
> - lspcon_resume_in_pcon_wa(lspcon);
> - } else {
> - expected_mode = DRM_LSPCON_MODE_LS;
> - }
> -
> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> - return;
> -
> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> - DRM_ERROR("LSPCON resume failed\n");
> - else
> - DRM_DEBUG_KMS("LSPCON resume success\n");
> -}
> -
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
> {
> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
> }
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
> {
> struct intel_dp *dp = &intel_dig_port->dp;
> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> - struct drm_device *dev = intel_dig_port->base.base.dev;
> - struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_connector *connector = &dp->attached_connector->base;
>
> - if (!HAS_LSPCON(dev_priv)) {
> - DRM_ERROR("LSPCON is not supported on this platform\n");
> - return false;
> - }
> -
> lspcon->active = false;
> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>
> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> DRM_DEBUG_KMS("Success: LSPCON init\n");
> return true;
> }
> +
> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
> +{
> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> + struct drm_device *dev = intel_dig_port->base.base.dev;
> + struct drm_i915_private *dev_priv = to_i915(dev);
> + enum drm_lspcon_mode expected_mode;
> +
> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
> + return;
> +
> + if (!lspcon->active) {
> + if (!lspcon_init(intel_dig_port)) {
> + DRM_ERROR("LSPCON init failed on port %c\n",
> + port_name(intel_dig_port->base.port));
> + return;
> + }
> + }
> +
> + if (lspcon_wake_native_aux_ch(lspcon)) {
> + expected_mode = DRM_LSPCON_MODE_PCON;
> + lspcon_resume_in_pcon_wa(lspcon);
> + } else {
> + expected_mode = DRM_LSPCON_MODE_LS;
> + }
> +
> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> + return;
> +
> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> + DRM_ERROR("LSPCON resume failed\n");
> + else
> + DRM_DEBUG_KMS("LSPCON resume success\n");
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
> index 37cfddf8a9c5..169db35db13e 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
> @@ -15,8 +15,7 @@ struct intel_digital_port;
> struct intel_encoder;
> struct intel_lspcon;
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
> -void lspcon_resume(struct intel_lspcon *lspcon);
> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
> void lspcon_write_infoframe(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> --
> 2.17.1
--
Ville Syrjälä
Intel
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Intel-gfx] [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()
@ 2020-10-01 16:24 ` Ville Syrjälä
0 siblings, 0 replies; 17+ messages in thread
From: Ville Syrjälä @ 2020-10-01 16:24 UTC (permalink / raw)
To: Kai-Heng Feng
Cc: open list:DRM DRIVERS, David Airlie, Lucas De Marchi, open list,
Chris Wilson, intel-gfx
On Wed, Jun 10, 2020 at 03:55:10PM +0800, Kai-Heng Feng wrote:
> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port
> becomes useless and never responds to cable hotplugging:
> [ 3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
> [ 3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D
>
> Seems like the lspcon chip on the system only gets powered after the
> cable is plugged.
>
> Consilidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
> ---
> v6:
> - Rebase on latest for-linux-next.
>
> v5:
> - Consolidate lspcon_resume() with lspcon_init().
> - Move more logic into lspcon code.
>
> v4:
> - Trust VBT in intel_infoframe_init().
> - Init lspcon in intel_dp_detect().
>
> v3:
> - Make sure it's handled under long HPD case.
>
> v2:
> - Move lspcon_init() inside of intel_dp_hpd_pulse().
Hoisted the changelog above --- where it belongs in drm land,
amended with
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/203
and pushed the patch to dinq.
Thanks, and sorry for the horrendous latency.
PS. This will cause some headache for Uma's lspcon HDR stuff, but
so be it.
>
> drivers/gpu/drm/i915/display/intel_ddi.c | 19 +------
> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++--
> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +-
> drivers/gpu/drm/i915/display/intel_lspcon.c | 63 ++++++++++++---------
> drivers/gpu/drm/i915/display/intel_lspcon.h | 3 +-
> 5 files changed, 43 insertions(+), 55 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index aa22465bb56e..af755b1aa24b 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4805,7 +4805,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> {
> struct intel_digital_port *intel_dig_port;
> struct intel_encoder *encoder;
> - bool init_hdmi, init_dp, init_lspcon = false;
> + bool init_hdmi, init_dp;
> enum phy phy = intel_port_to_phy(dev_priv, port);
>
> init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
> @@ -4819,7 +4819,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> * is initialized before lspcon.
> */
> init_dp = true;
> - init_lspcon = true;
> init_hdmi = false;
> drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
> port_name(port));
> @@ -4904,22 +4903,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> goto err;
> }
>
> - if (init_lspcon) {
> - if (lspcon_init(intel_dig_port))
> - /* TODO: handle hdmi info frame part */
> - drm_dbg_kms(&dev_priv->drm,
> - "LSPCON init success on port %c\n",
> - port_name(port));
> - else
> - /*
> - * LSPCON init faied, but DP init was success, so
> - * lets try to drive as DP++ port.
> - */
> - drm_err(&dev_priv->drm,
> - "LSPCON init failed on port %c\n",
> - port_name(port));
> - }
> -
> if (INTEL_GEN(dev_priv) >= 11) {
> if (intel_phy_is_tc(dev_priv, phy))
> intel_dig_port->connected = intel_tc_port_connected;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index ed9e53c373a7..398a104158a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5962,15 +5962,14 @@ static enum drm_connector_status
> intel_dp_detect_dpcd(struct intel_dp *intel_dp)
> {
> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> u8 *dpcd = intel_dp->dpcd;
> u8 type;
>
> if (WARN_ON(intel_dp_is_edp(intel_dp)))
> return connector_status_connected;
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> if (!intel_dp_get_dpcd(intel_dp))
> return connector_status_disconnected;
> @@ -7056,14 +7055,13 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
> - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> intel_wakeref_t wakeref;
>
> if (!HAS_DDI(dev_priv))
> intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
>
> - if (lspcon->active)
> - lspcon_resume(lspcon);
> + lspcon_resume(dig_port);
>
> intel_dp->reset_link_params = true;
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 010f37240710..643ad2127931 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3155,7 +3155,8 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port)
> intel_dig_port->set_infoframes = g4x_set_infoframes;
> intel_dig_port->infoframes_enabled = g4x_infoframes_enabled;
> } else if (HAS_DDI(dev_priv)) {
> - if (intel_dig_port->lspcon.active) {
> + if (intel_bios_is_lspcon_present(dev_priv,
> + intel_dig_port->base.port)) {
> intel_dig_port->write_infoframe = lspcon_write_infoframe;
> intel_dig_port->read_infoframe = lspcon_read_infoframe;
> intel_dig_port->set_infoframes = lspcon_set_infoframes;
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 6ff7b226f0a1..e3dde4c25604 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -525,44 +525,17 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
> return 0;
> }
>
> -void lspcon_resume(struct intel_lspcon *lspcon)
> -{
> - enum drm_lspcon_mode expected_mode;
> -
> - if (lspcon_wake_native_aux_ch(lspcon)) {
> - expected_mode = DRM_LSPCON_MODE_PCON;
> - lspcon_resume_in_pcon_wa(lspcon);
> - } else {
> - expected_mode = DRM_LSPCON_MODE_LS;
> - }
> -
> - if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> - return;
> -
> - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> - DRM_ERROR("LSPCON resume failed\n");
> - else
> - DRM_DEBUG_KMS("LSPCON resume success\n");
> -}
> -
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon)
> {
> lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
> }
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port)
> +static bool lspcon_init(struct intel_digital_port *intel_dig_port)
> {
> struct intel_dp *dp = &intel_dig_port->dp;
> struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> - struct drm_device *dev = intel_dig_port->base.base.dev;
> - struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_connector *connector = &dp->attached_connector->base;
>
> - if (!HAS_LSPCON(dev_priv)) {
> - DRM_ERROR("LSPCON is not supported on this platform\n");
> - return false;
> - }
> -
> lspcon->active = false;
> lspcon->mode = DRM_LSPCON_MODE_INVALID;
>
> @@ -586,3 +559,37 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> DRM_DEBUG_KMS("Success: LSPCON init\n");
> return true;
> }
> +
> +void lspcon_resume(struct intel_digital_port *intel_dig_port)
> +{
> + struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
> + struct drm_device *dev = intel_dig_port->base.base.dev;
> + struct drm_i915_private *dev_priv = to_i915(dev);
> + enum drm_lspcon_mode expected_mode;
> +
> + if (!intel_bios_is_lspcon_present(dev_priv, intel_dig_port->base.port))
> + return;
> +
> + if (!lspcon->active) {
> + if (!lspcon_init(intel_dig_port)) {
> + DRM_ERROR("LSPCON init failed on port %c\n",
> + port_name(intel_dig_port->base.port));
> + return;
> + }
> + }
> +
> + if (lspcon_wake_native_aux_ch(lspcon)) {
> + expected_mode = DRM_LSPCON_MODE_PCON;
> + lspcon_resume_in_pcon_wa(lspcon);
> + } else {
> + expected_mode = DRM_LSPCON_MODE_LS;
> + }
> +
> + if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> + return;
> +
> + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> + DRM_ERROR("LSPCON resume failed\n");
> + else
> + DRM_DEBUG_KMS("LSPCON resume success\n");
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
> index 37cfddf8a9c5..169db35db13e 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
> @@ -15,8 +15,7 @@ struct intel_digital_port;
> struct intel_encoder;
> struct intel_lspcon;
>
> -bool lspcon_init(struct intel_digital_port *intel_dig_port);
> -void lspcon_resume(struct intel_lspcon *lspcon);
> +void lspcon_resume(struct intel_digital_port *intel_dig_port);
> void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
> void lspcon_write_infoframe(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> --
> 2.17.1
--
Ville Syrjälä
Intel
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 17+ messages in thread
end of thread, other threads:[~2020-10-01 16:24 UTC | newest]
Thread overview: 17+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-06-10 7:55 [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect() Kai-Heng Feng
2020-06-10 7:55 ` [Intel-gfx] " Kai-Heng Feng
2020-06-10 7:55 ` Kai-Heng Feng
2020-06-10 8:25 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Init lspcon after HPD in intel_dp_detect() (rev2) Patchwork
2020-06-10 9:33 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-06-30 8:37 ` [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect() Kai-Heng Feng
2020-06-30 8:37 ` [Intel-gfx] " Kai-Heng Feng
2020-06-30 8:37 ` Kai-Heng Feng
2020-07-10 15:48 ` Kai-Heng Feng
2020-07-10 15:48 ` [Intel-gfx] " Kai-Heng Feng
2020-07-10 15:48 ` Kai-Heng Feng
2020-09-28 9:10 ` Kai-Heng Feng
2020-09-28 9:10 ` [Intel-gfx] " Kai-Heng Feng
2020-09-28 9:10 ` Kai-Heng Feng
2020-10-01 16:24 ` Ville Syrjälä
2020-10-01 16:24 ` [Intel-gfx] " Ville Syrjälä
2020-10-01 16:24 ` Ville Syrjälä
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