* [PATCH v5] drm/i915: Init lspcon chip dynamically
@ 2020-05-06 10:28 ` Kai-Heng Feng
0 siblings, 0 replies; 6+ messages in thread
From: Kai-Heng Feng @ 2020-05-06 10:28 UTC (permalink / raw)
To: jani.nikula
Cc: Kai-Heng Feng, Joonas Lahtinen, Rodrigo Vivi, David Airlie,
Daniel Vetter, Ville Syrjälä,
José Roberto de Souza, Lucas De Marchi, Imre Deak,
Manasi Navare, Chris Wilson, Gwan-gyeong Mun, Matt Roper,
Maarten Lankhorst, Ramalingam C, Uma Shankar,
Juha-Pekka Heikkila, 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.
Consolidate lspcon_init() into lspcon_resume() to dynamically init
lspcon chip, and make HDMI port work.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/203
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
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 5601673c3f30..798fd640da54 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4770,7 +4770,7 @@ 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) ||
@@ -4784,7 +4784,6 @@ 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));
@@ -4869,22 +4868,6 @@ 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));
- }
-
intel_infoframe_init(intel_dig_port);
return;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 6952b0295096..e26aa35d6e37 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5938,15 +5938,14 @@ 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;
@@ -7198,14 +7197,13 @@ 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 d807c5648c87..f5f06d2a839a 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 enc_to_intel_lspcon(encoder)->active;
}
-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] 6+ messages in thread
* [PATCH v5] drm/i915: Init lspcon chip dynamically
@ 2020-05-06 10:28 ` Kai-Heng Feng
0 siblings, 0 replies; 6+ messages in thread
From: Kai-Heng Feng @ 2020-05-06 10:28 UTC (permalink / raw)
To: jani.nikula
Cc: Juha-Pekka Heikkila, 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, 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.
Consolidate lspcon_init() into lspcon_resume() to dynamically init
lspcon chip, and make HDMI port work.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/203
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
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 5601673c3f30..798fd640da54 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4770,7 +4770,7 @@ 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) ||
@@ -4784,7 +4784,6 @@ 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));
@@ -4869,22 +4868,6 @@ 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));
- }
-
intel_infoframe_init(intel_dig_port);
return;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 6952b0295096..e26aa35d6e37 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5938,15 +5938,14 @@ 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;
@@ -7198,14 +7197,13 @@ 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 d807c5648c87..f5f06d2a839a 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 enc_to_intel_lspcon(encoder)->active;
}
-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
_______________________________________________
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dri-devel@lists.freedesktop.org
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^ permalink raw reply related [flat|nested] 6+ messages in thread
* [Intel-gfx] [PATCH v5] drm/i915: Init lspcon chip dynamically
@ 2020-05-06 10:28 ` Kai-Heng Feng
0 siblings, 0 replies; 6+ messages in thread
From: Kai-Heng Feng @ 2020-05-06 10:28 UTC (permalink / raw)
To: jani.nikula
Cc: David Airlie, Lucas De Marchi, open list, Chris Wilson,
Kai-Heng Feng, open list:DRM DRIVERS
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.
Consolidate lspcon_init() into lspcon_resume() to dynamically init
lspcon chip, and make HDMI port work.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/203
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
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 5601673c3f30..798fd640da54 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4770,7 +4770,7 @@ 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) ||
@@ -4784,7 +4784,6 @@ 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));
@@ -4869,22 +4868,6 @@ 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));
- }
-
intel_infoframe_init(intel_dig_port);
return;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 6952b0295096..e26aa35d6e37 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5938,15 +5938,14 @@ 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;
@@ -7198,14 +7197,13 @@ 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 d807c5648c87..f5f06d2a839a 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 enc_to_intel_lspcon(encoder)->active;
}
-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] 6+ messages in thread
* Re: [PATCH v5] drm/i915: Init lspcon chip dynamically
2020-05-06 10:28 ` Kai-Heng Feng
@ 2020-06-08 3:55 ` Kai-Heng Feng
-1 siblings, 0 replies; 6+ messages in thread
From: Kai-Heng Feng @ 2020-06-08 3:55 UTC (permalink / raw)
To: Jani Nikula
Cc: Joonas Lahtinen, Rodrigo Vivi, David Airlie, Daniel Vetter,
Ville Syrjälä,
José Roberto de Souza, Lucas De Marchi, Imre Deak,
Manasi Navare, Chris Wilson, Gwan-gyeong Mun, Matt Roper,
Maarten Lankhorst, Ramalingam C, Uma Shankar,
Juha-Pekka Heikkila, open list:DRM DRIVERS, open list
> On May 6, 2020, at 18:28, 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.
>
> Consolidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Closes: https://gitlab.freedesktop.org/drm/intel/issues/203
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
A gentle ping...
> ---
> 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 5601673c3f30..798fd640da54 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4770,7 +4770,7 @@ 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) ||
> @@ -4784,7 +4784,6 @@ 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));
> @@ -4869,22 +4868,6 @@ 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));
> - }
> -
> intel_infoframe_init(intel_dig_port);
>
> return;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 6952b0295096..e26aa35d6e37 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5938,15 +5938,14 @@ 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;
> @@ -7198,14 +7197,13 @@ 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 d807c5648c87..f5f06d2a839a 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 enc_to_intel_lspcon(encoder)->active;
> }
>
> -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] 6+ messages in thread
* Re: [PATCH v5] drm/i915: Init lspcon chip dynamically
@ 2020-06-08 3:55 ` Kai-Heng Feng
0 siblings, 0 replies; 6+ messages in thread
From: Kai-Heng Feng @ 2020-06-08 3:55 UTC (permalink / raw)
To: Jani Nikula
Cc: Juha-Pekka Heikkila, 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
> On May 6, 2020, at 18:28, 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.
>
> Consolidate lspcon_init() into lspcon_resume() to dynamically init
> lspcon chip, and make HDMI port work.
>
> Closes: https://gitlab.freedesktop.org/drm/intel/issues/203
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
A gentle ping...
> ---
> 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 5601673c3f30..798fd640da54 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4770,7 +4770,7 @@ 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) ||
> @@ -4784,7 +4784,6 @@ 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));
> @@ -4869,22 +4868,6 @@ 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));
> - }
> -
> intel_infoframe_init(intel_dig_port);
>
> return;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 6952b0295096..e26aa35d6e37 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5938,15 +5938,14 @@ 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;
> @@ -7198,14 +7197,13 @@ 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 d807c5648c87..f5f06d2a839a 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 enc_to_intel_lspcon(encoder)->active;
> }
>
> -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] 6+ messages in thread
* [Intel-gfx] ✗ Fi.CI.BUILD: failure for drm/i915: Init lspcon chip dynamically
2020-05-06 10:28 ` Kai-Heng Feng
` (2 preceding siblings ...)
(?)
@ 2020-06-08 11:45 ` Patchwork
-1 siblings, 0 replies; 6+ messages in thread
From: Patchwork @ 2020-06-08 11:45 UTC (permalink / raw)
To: Kai-Heng Feng; +Cc: intel-gfx
== Series Details ==
Series: drm/i915: Init lspcon chip dynamically
URL : https://patchwork.freedesktop.org/series/78114/
State : failure
== Summary ==
Applying: drm/i915: Init lspcon chip dynamically
Using index info to reconstruct a base tree...
M drivers/gpu/drm/i915/display/intel_ddi.c
M drivers/gpu/drm/i915/display/intel_dp.c
M drivers/gpu/drm/i915/display/intel_hdmi.c
M drivers/gpu/drm/i915/display/intel_lspcon.c
Falling back to patching base and 3-way merge...
Auto-merging drivers/gpu/drm/i915/display/intel_lspcon.c
Auto-merging drivers/gpu/drm/i915/display/intel_hdmi.c
Auto-merging drivers/gpu/drm/i915/display/intel_dp.c
Auto-merging drivers/gpu/drm/i915/display/intel_ddi.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/i915/display/intel_ddi.c
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 drm/i915: Init lspcon chip dynamically
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-06-08 11:45 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-06 10:28 [PATCH v5] drm/i915: Init lspcon chip dynamically Kai-Heng Feng
2020-05-06 10:28 ` [Intel-gfx] " Kai-Heng Feng
2020-05-06 10:28 ` Kai-Heng Feng
2020-06-08 3:55 ` Kai-Heng Feng
2020-06-08 3:55 ` Kai-Heng Feng
2020-06-08 11:45 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork
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