[PATCH v5 1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD

[PATCH v5 1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD

[Manasi Navare]

DP sink device sets the Ignore MSA bit in its
DP_DOWNSTREAM_PORT_COUNT register to indicate its ability to
ignore the MSA video timing parameters and its ability to support
seamless video timing change over a range of timing exposed by
DisplayID and EDID.
This is required for the sink to indicate that it is Adaptive sync
capable.

v3:
* Fi the typo in commit message (Manasi)
v2:
* Rename to describe what the function does (Jani Nikula)

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
---
 include/drm/drm_dp_helper.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 6c4b53dcb851..d43b5c9705d4 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1454,6 +1454,14 @@ drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 			DP_ALTERNATE_SCRAMBLER_RESET_CAP;
 }
 
+/* Ignore MSA timing for Adaptive Sync support on DP 1.4 */
+static inline bool
+drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+	return dpcd[DP_DOWN_STREAM_PORT_COUNT] &
+		DP_MSA_TIMING_PAR_IGNORED;
+}
+
 /*
  * DisplayPort AUX channel
  */
-- 
2.19.1

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[Intel-gfx] [PATCH v5 1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD

[Manasi Navare]

DP sink device sets the Ignore MSA bit in its
DP_DOWNSTREAM_PORT_COUNT register to indicate its ability to
ignore the MSA video timing parameters and its ability to support
seamless video timing change over a range of timing exposed by
DisplayID and EDID.
This is required for the sink to indicate that it is Adaptive sync
capable.

v3:
* Fi the typo in commit message (Manasi)
v2:
* Rename to describe what the function does (Jani Nikula)

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
---
 include/drm/drm_dp_helper.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 6c4b53dcb851..d43b5c9705d4 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1454,6 +1454,14 @@ drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 			DP_ALTERNATE_SCRAMBLER_RESET_CAP;
 }
 
+/* Ignore MSA timing for Adaptive Sync support on DP 1.4 */
+static inline bool
+drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+	return dpcd[DP_DOWN_STREAM_PORT_COUNT] &
+		DP_MSA_TIMING_PAR_IGNORED;
+}
+
 /*
  * DisplayPort AUX channel
  */
-- 
2.19.1

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[PATCH v5 2/3] drm/i915/dp: Attach and set drm connector VRR property

[Manasi Navare]

From: Aditya Swarup <aditya.swarup@intel.com>

This function sets the VRR property for connector based
on the platform support, EDID monitor range and DP sink
DPCD capability of outputing video without msa
timing information.

v5:
* Fix the vrr prop not being set in kernel (Manasi)
* Unset the prop on connector disconnect (Manasi)
v4:
* Rebase (Mansi)
v3:
* intel_dp_is_vrr_capable can be used for debugfs, make it
non static (Manasi)
v2:
* Just set this in intel_dp_get_modes instead of new hook (Jani)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 27 +++++++++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_dp.h |  2 ++
 2 files changed, 29 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 67723dede1d1..8957a9f50f0e 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6153,6 +6153,9 @@ intel_dp_detect(struct drm_connector *connector,
 	if (status == connector_status_disconnected) {
 		memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance));
 		memset(intel_dp->dsc_dpcd, 0, sizeof(intel_dp->dsc_dpcd));
+		/*Reset the immutable VRR Capable property */
+		drm_connector_set_vrr_capable_property(connector,
+						       false);
 
 		if (intel_dp->is_mst) {
 			drm_dbg_kms(&dev_priv->drm,
@@ -6260,6 +6263,23 @@ intel_dp_force(struct drm_connector *connector)
 	intel_display_power_put(dev_priv, aux_domain, wakeref);
 }
 
+bool intel_dp_is_vrr_capable(struct drm_connector *connector)
+{
+	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
+	const struct drm_display_info *info = &connector->display_info;
+	struct drm_i915_private *dev_priv = to_i915(connector->dev);
+
+	/*
+	 * DP Sink is capable of Variable refresh video timings if
+	 * Ignore MSA bit is set in DPCD.
+	 * EDID monitor range also should be atleast 10 for reasonable
+	 * Adaptive sync/ VRR end user experience.
+	 */
+	return INTEL_GEN(dev_priv) >= 12 &&
+		drm_dp_sink_can_do_video_without_timing_msa(intel_dp->dpcd) &&
+		info->monitor_range.max_vfreq - info->monitor_range.min_vfreq > 10;
+}
+
 static int intel_dp_get_modes(struct drm_connector *connector)
 {
 	struct intel_connector *intel_connector = to_intel_connector(connector);
@@ -6268,6 +6288,10 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 	edid = intel_connector->detect_edid;
 	if (edid) {
 		int ret = intel_connector_update_modes(connector, edid);
+
+		if (intel_dp_is_vrr_capable(connector))
+			drm_connector_set_vrr_capable_property(connector,
+							       true);
 		if (ret)
 			return ret;
 	}
@@ -7354,6 +7378,9 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 		connector->state->scaling_mode = DRM_MODE_SCALE_ASPECT;
 
 	}
+
+	if (INTEL_GEN(dev_priv) >= 12)
+		drm_connector_attach_vrr_capable_property(connector);
 }
 
 static void intel_dp_init_panel_power_timestamps(struct intel_dp *intel_dp)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 6659ce15a693..aa7c1f530d5e 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -14,6 +14,7 @@ enum pipe;
 enum port;
 struct drm_connector_state;
 struct drm_encoder;
+struct drm_connector;
 struct drm_i915_private;
 struct drm_modeset_acquire_ctx;
 struct intel_connector;
@@ -119,6 +120,7 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable,
 			     const struct drm_connector_state *conn_state);
 bool intel_digital_port_connected(struct intel_encoder *encoder);
 void intel_dp_process_phy_request(struct intel_dp *intel_dp);
+bool intel_dp_is_vrr_capable(struct drm_connector *connector);
 
 static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
 {
-- 
2.19.1

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[Intel-gfx] [PATCH v5 2/3] drm/i915/dp: Attach and set drm connector VRR property

[Manasi Navare]

From: Aditya Swarup <aditya.swarup@intel.com>

This function sets the VRR property for connector based
on the platform support, EDID monitor range and DP sink
DPCD capability of outputing video without msa
timing information.

v5:
* Fix the vrr prop not being set in kernel (Manasi)
* Unset the prop on connector disconnect (Manasi)
v4:
* Rebase (Mansi)
v3:
* intel_dp_is_vrr_capable can be used for debugfs, make it
non static (Manasi)
v2:
* Just set this in intel_dp_get_modes instead of new hook (Jani)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 27 +++++++++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_dp.h |  2 ++
 2 files changed, 29 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 67723dede1d1..8957a9f50f0e 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6153,6 +6153,9 @@ intel_dp_detect(struct drm_connector *connector,
 	if (status == connector_status_disconnected) {
 		memset(&intel_dp->compliance, 0, sizeof(intel_dp->compliance));
 		memset(intel_dp->dsc_dpcd, 0, sizeof(intel_dp->dsc_dpcd));
+		/*Reset the immutable VRR Capable property */
+		drm_connector_set_vrr_capable_property(connector,
+						       false);
 
 		if (intel_dp->is_mst) {
 			drm_dbg_kms(&dev_priv->drm,
@@ -6260,6 +6263,23 @@ intel_dp_force(struct drm_connector *connector)
 	intel_display_power_put(dev_priv, aux_domain, wakeref);
 }
 
+bool intel_dp_is_vrr_capable(struct drm_connector *connector)
+{
+	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
+	const struct drm_display_info *info = &connector->display_info;
+	struct drm_i915_private *dev_priv = to_i915(connector->dev);
+
+	/*
+	 * DP Sink is capable of Variable refresh video timings if
+	 * Ignore MSA bit is set in DPCD.
+	 * EDID monitor range also should be atleast 10 for reasonable
+	 * Adaptive sync/ VRR end user experience.
+	 */
+	return INTEL_GEN(dev_priv) >= 12 &&
+		drm_dp_sink_can_do_video_without_timing_msa(intel_dp->dpcd) &&
+		info->monitor_range.max_vfreq - info->monitor_range.min_vfreq > 10;
+}
+
 static int intel_dp_get_modes(struct drm_connector *connector)
 {
 	struct intel_connector *intel_connector = to_intel_connector(connector);
@@ -6268,6 +6288,10 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 	edid = intel_connector->detect_edid;
 	if (edid) {
 		int ret = intel_connector_update_modes(connector, edid);
+
+		if (intel_dp_is_vrr_capable(connector))
+			drm_connector_set_vrr_capable_property(connector,
+							       true);
 		if (ret)
 			return ret;
 	}
@@ -7354,6 +7378,9 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 		connector->state->scaling_mode = DRM_MODE_SCALE_ASPECT;
 
 	}
+
+	if (INTEL_GEN(dev_priv) >= 12)
+		drm_connector_attach_vrr_capable_property(connector);
 }
 
 static void intel_dp_init_panel_power_timestamps(struct intel_dp *intel_dp)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 6659ce15a693..aa7c1f530d5e 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -14,6 +14,7 @@ enum pipe;
 enum port;
 struct drm_connector_state;
 struct drm_encoder;
+struct drm_connector;
 struct drm_i915_private;
 struct drm_modeset_acquire_ctx;
 struct intel_connector;
@@ -119,6 +120,7 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable,
 			     const struct drm_connector_state *conn_state);
 bool intel_digital_port_connected(struct intel_encoder *encoder);
 void intel_dp_process_phy_request(struct intel_dp *intel_dp);
+bool intel_dp_is_vrr_capable(struct drm_connector *connector);
 
 static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
 {
-- 
2.19.1

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[PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Manasi Navare]

From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>

[Why]
It's useful to know the min and max vrr range for IGT testing.

[How]
Expose the min and max vfreq for the connector via a debugfs file
on the connector, "i915_vrr_info".

Example usage: cat /sys/kernel/debug/dri/0/DP-1/i915_vrr_info

v5:
* Rename to vrr_range to match AMD debugfs
v4:
* Rebase
v3:
* Remove the unnecessary debug print (Manasi)
v2:
* Fix the typo in max_vfreq (Manasi)
* Change the name of node to i915_vrr_info so we can add
other vrr info for more debug info (Manasi)
* Change the VRR capable to display Yes or No (Manasi)
* Fix indentation checkpatch errors (Manasi)

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Manasi Navare <manasi.d.navare@intel.com>
---
 .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 70525623bcdf..a0d680c13e0d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
 	.write = i915_dsc_fec_support_write
 };
 
+static int vrr_range_show(struct seq_file *m, void *data)
+{
+	struct drm_connector *connector = m->private;
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
+	seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
+	seq_printf(m, "Max: %u\n", (u8)connector->display_info.monitor_range.max_vfreq);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(vrr_range);
+
 /**
  * intel_connector_debugfs_add - add i915 specific connector debugfs files
  * @connector: pointer to a registered drm_connector
@@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 
 	if (INTEL_GEN(dev_priv) >= 10 &&
 	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+	     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
 				    connector, &i915_dsc_fec_support_fops);
 
+		if (INTEL_GEN(dev_priv) >= 12)
+			debugfs_create_file("vrr_range", S_IRUGO,
+					    root, connector, &vrr_range_fops);
+	}
+
 	/* Legacy panels doesn't lpsp on any platform */
 	if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
 	     IS_BROADWELL(dev_priv)) &&
-- 
2.19.1

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[Intel-gfx] [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Manasi Navare]

From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>

[Why]
It's useful to know the min and max vrr range for IGT testing.

[How]
Expose the min and max vfreq for the connector via a debugfs file
on the connector, "i915_vrr_info".

Example usage: cat /sys/kernel/debug/dri/0/DP-1/i915_vrr_info

v5:
* Rename to vrr_range to match AMD debugfs
v4:
* Rebase
v3:
* Remove the unnecessary debug print (Manasi)
v2:
* Fix the typo in max_vfreq (Manasi)
* Change the name of node to i915_vrr_info so we can add
other vrr info for more debug info (Manasi)
* Change the VRR capable to display Yes or No (Manasi)
* Fix indentation checkpatch errors (Manasi)

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Manasi Navare <manasi.d.navare@intel.com>
---
 .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 70525623bcdf..a0d680c13e0d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
 	.write = i915_dsc_fec_support_write
 };
 
+static int vrr_range_show(struct seq_file *m, void *data)
+{
+	struct drm_connector *connector = m->private;
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
+	seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
+	seq_printf(m, "Max: %u\n", (u8)connector->display_info.monitor_range.max_vfreq);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(vrr_range);
+
 /**
  * intel_connector_debugfs_add - add i915 specific connector debugfs files
  * @connector: pointer to a registered drm_connector
@@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 
 	if (INTEL_GEN(dev_priv) >= 10 &&
 	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+	     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
 				    connector, &i915_dsc_fec_support_fops);
 
+		if (INTEL_GEN(dev_priv) >= 12)
+			debugfs_create_file("vrr_range", S_IRUGO,
+					    root, connector, &vrr_range_fops);
+	}
+
 	/* Legacy panels doesn't lpsp on any platform */
 	if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
 	     IS_BROADWELL(dev_priv)) &&
-- 
2.19.1

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RE: [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Modem, Bhanuprakash]

-----Original Message-----
From: Navare, Manasi D <manasi.d.navare@intel.com> 
Sent: Wednesday, May 13, 2020 11:05 AM
To: intel-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org
Cc: Modem, Bhanuprakash <bhanuprakash.modem@intel.com>; Navare, Manasi D <manasi.d.navare@intel.com>; Jani Nikula <jani.nikula@linux.intel.com>; Ville Syrjälä <ville.syrjala@linux.intel.com>
Subject: [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>

[Why]
It's useful to know the min and max vrr range for IGT testing.

[How]
Expose the min and max vfreq for the connector via a debugfs file on the connector, "i915_vrr_info".

Example usage: cat /sys/kernel/debug/dri/0/DP-1/i915_vrr_info

[Bhanu]: Can you please fix the commit message? 's/i915_vrr_info/vrr_range/'

v5:
* Rename to vrr_range to match AMD debugfs
v4:
* Rebase
v3:
* Remove the unnecessary debug print (Manasi)
v2:
* Fix the typo in max_vfreq (Manasi)
* Change the name of node to i915_vrr_info so we can add other vrr info for more debug info (Manasi)
* Change the VRR capable to display Yes or No (Manasi)
* Fix indentation checkpatch errors (Manasi)

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Manasi Navare <manasi.d.navare@intel.com>
---
 .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 70525623bcdf..a0d680c13e0d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
 	.write = i915_dsc_fec_support_write
 };
 
+static int vrr_range_show(struct seq_file *m, void *data) {
+	struct drm_connector *connector = m->private;
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
[Bhanu]: As we can read "vrr_capable" property from DRM_IOCTL_MODE_OBJ_GETPROPERTIES ioctl, I think we don't need to expose "vrr_capable" through debugfs.
+	seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
+	seq_printf(m, "Max: %u\n", 
+(u8)connector->display_info.monitor_range.max_vfreq);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(vrr_range);
+
 /**
  * intel_connector_debugfs_add - add i915 specific connector debugfs files
  * @connector: pointer to a registered drm_connector @@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 
 	if (INTEL_GEN(dev_priv) >= 10 &&
 	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+	     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
 				    connector, &i915_dsc_fec_support_fops);
 
+		if (INTEL_GEN(dev_priv) >= 12)
+			debugfs_create_file("vrr_range", S_IRUGO,
+					    root, connector, &vrr_range_fops);
+	}
+
 	/* Legacy panels doesn't lpsp on any platform */
 	if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
 	     IS_BROADWELL(dev_priv)) &&
--
2.19.1

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Re: [Intel-gfx] [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Modem, Bhanuprakash]

-----Original Message-----
From: Navare, Manasi D <manasi.d.navare@intel.com> 
Sent: Wednesday, May 13, 2020 11:05 AM
To: intel-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org
Cc: Modem, Bhanuprakash <bhanuprakash.modem@intel.com>; Navare, Manasi D <manasi.d.navare@intel.com>; Jani Nikula <jani.nikula@linux.intel.com>; Ville Syrjälä <ville.syrjala@linux.intel.com>
Subject: [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>

[Why]
It's useful to know the min and max vrr range for IGT testing.

[How]
Expose the min and max vfreq for the connector via a debugfs file on the connector, "i915_vrr_info".

Example usage: cat /sys/kernel/debug/dri/0/DP-1/i915_vrr_info

[Bhanu]: Can you please fix the commit message? 's/i915_vrr_info/vrr_range/'

v5:
* Rename to vrr_range to match AMD debugfs
v4:
* Rebase
v3:
* Remove the unnecessary debug print (Manasi)
v2:
* Fix the typo in max_vfreq (Manasi)
* Change the name of node to i915_vrr_info so we can add other vrr info for more debug info (Manasi)
* Change the VRR capable to display Yes or No (Manasi)
* Fix indentation checkpatch errors (Manasi)

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Manasi Navare <manasi.d.navare@intel.com>
---
 .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 70525623bcdf..a0d680c13e0d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
 	.write = i915_dsc_fec_support_write
 };
 
+static int vrr_range_show(struct seq_file *m, void *data) {
+	struct drm_connector *connector = m->private;
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
[Bhanu]: As we can read "vrr_capable" property from DRM_IOCTL_MODE_OBJ_GETPROPERTIES ioctl, I think we don't need to expose "vrr_capable" through debugfs.
+	seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
+	seq_printf(m, "Max: %u\n", 
+(u8)connector->display_info.monitor_range.max_vfreq);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(vrr_range);
+
 /**
  * intel_connector_debugfs_add - add i915 specific connector debugfs files
  * @connector: pointer to a registered drm_connector @@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 
 	if (INTEL_GEN(dev_priv) >= 10 &&
 	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+	     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
 				    connector, &i915_dsc_fec_support_fops);
 
+		if (INTEL_GEN(dev_priv) >= 12)
+			debugfs_create_file("vrr_range", S_IRUGO,
+					    root, connector, &vrr_range_fops);
+	}
+
 	/* Legacy panels doesn't lpsp on any platform */
 	if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
 	     IS_BROADWELL(dev_priv)) &&
--
2.19.1

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Re: [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Manasi Navare]

On Wed, May 13, 2020 at 04:08:38AM -0700, Modem, Bhanuprakash wrote:
> -----Original Message-----
> From: Navare, Manasi D <manasi.d.navare@intel.com>
> Sent: Wednesday, May 13, 2020 11:05 AM
> To: intel-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org
> Cc: Modem, Bhanuprakash <bhanuprakash.modem@intel.com>; Navare, Manasi D <manasi.d.navare@intel.com>; Jani Nikula <jani.nikula@linux.intel.com>; Ville Syrjälä <ville.syrjala@linux.intel.com>
> Subject: [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs
> 
> From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
> 
> [Why]
> It's useful to know the min and max vrr range for IGT testing.
> 
> [How]
> Expose the min and max vfreq for the connector via a debugfs file on the connector, "i915_vrr_info".
> 
> Example usage: cat /sys/kernel/debug/dri/0/DP-1/i915_vrr_info
> 
> [Bhanu]: Can you please fix the commit message? 's/i915_vrr_info/vrr_range/'
> 
> v5:
> * Rename to vrr_range to match AMD debugfs
> v4:
> * Rebase
> v3:
> * Remove the unnecessary debug print (Manasi)
> v2:
> * Fix the typo in max_vfreq (Manasi)
> * Change the name of node to i915_vrr_info so we can add other vrr info for more debug info (Manasi)
> * Change the VRR capable to display Yes or No (Manasi)
> * Fix indentation checkpatch errors (Manasi)
> 
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Tested-by: Manasi Navare <manasi.d.navare@intel.com>
> ---
>  .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
>  1 file changed, 21 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index 70525623bcdf..a0d680c13e0d 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
>  .write = i915_dsc_fec_support_write
>  };
> 
> +static int vrr_range_show(struct seq_file *m, void *data) {
> +struct drm_connector *connector = m->private;
> +
> +if (connector->status != connector_status_connected)
> +return -ENODEV;
> +
> +seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
> [Bhanu]: As we can read "vrr_capable" property from DRM_IOCTL_MODE_OBJ_GETPROPERTIES ioctl, I think we don't need to expose "vrr_capable" through debugfs.

Yes we can get it with the Get prop IOCTL, but having it in debugfs will still be a good debug info without
needing to call the ioctl

Manasi

> +seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
> +seq_printf(m, "Max: %u\n",
> +(u8)connector->display_info.monitor_range.max_vfreq);
> +
> +return 0;
> +}
> +DEFINE_SHOW_ATTRIBUTE(vrr_range);
> +
>  /**
>   * intel_connector_debugfs_add - add i915 specific connector debugfs files
>   * @connector: pointer to a registered drm_connector @@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
> 
>  if (INTEL_GEN(dev_priv) >= 10 &&
>      (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
> -     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
> +     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
>  debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
>      connector, &i915_dsc_fec_support_fops);
> 
> +if (INTEL_GEN(dev_priv) >= 12)
> +debugfs_create_file("vrr_range", S_IRUGO,
> +    root, connector, &vrr_range_fops);
> +}
> +
>  /* Legacy panels doesn't lpsp on any platform */
>  if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
>       IS_BROADWELL(dev_priv)) &&
> --
> 2.19.1
> 
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Re: [Intel-gfx] [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Manasi Navare]

On Wed, May 13, 2020 at 04:08:38AM -0700, Modem, Bhanuprakash wrote:
> -----Original Message-----
> From: Navare, Manasi D <manasi.d.navare@intel.com>
> Sent: Wednesday, May 13, 2020 11:05 AM
> To: intel-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org
> Cc: Modem, Bhanuprakash <bhanuprakash.modem@intel.com>; Navare, Manasi D <manasi.d.navare@intel.com>; Jani Nikula <jani.nikula@linux.intel.com>; Ville Syrjälä <ville.syrjala@linux.intel.com>
> Subject: [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs
> 
> From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
> 
> [Why]
> It's useful to know the min and max vrr range for IGT testing.
> 
> [How]
> Expose the min and max vfreq for the connector via a debugfs file on the connector, "i915_vrr_info".
> 
> Example usage: cat /sys/kernel/debug/dri/0/DP-1/i915_vrr_info
> 
> [Bhanu]: Can you please fix the commit message? 's/i915_vrr_info/vrr_range/'
> 
> v5:
> * Rename to vrr_range to match AMD debugfs
> v4:
> * Rebase
> v3:
> * Remove the unnecessary debug print (Manasi)
> v2:
> * Fix the typo in max_vfreq (Manasi)
> * Change the name of node to i915_vrr_info so we can add other vrr info for more debug info (Manasi)
> * Change the VRR capable to display Yes or No (Manasi)
> * Fix indentation checkpatch errors (Manasi)
> 
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Tested-by: Manasi Navare <manasi.d.navare@intel.com>
> ---
>  .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
>  1 file changed, 21 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index 70525623bcdf..a0d680c13e0d 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
>  .write = i915_dsc_fec_support_write
>  };
> 
> +static int vrr_range_show(struct seq_file *m, void *data) {
> +struct drm_connector *connector = m->private;
> +
> +if (connector->status != connector_status_connected)
> +return -ENODEV;
> +
> +seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
> [Bhanu]: As we can read "vrr_capable" property from DRM_IOCTL_MODE_OBJ_GETPROPERTIES ioctl, I think we don't need to expose "vrr_capable" through debugfs.

Yes we can get it with the Get prop IOCTL, but having it in debugfs will still be a good debug info without
needing to call the ioctl

Manasi

> +seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
> +seq_printf(m, "Max: %u\n",
> +(u8)connector->display_info.monitor_range.max_vfreq);
> +
> +return 0;
> +}
> +DEFINE_SHOW_ATTRIBUTE(vrr_range);
> +
>  /**
>   * intel_connector_debugfs_add - add i915 specific connector debugfs files
>   * @connector: pointer to a registered drm_connector @@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
> 
>  if (INTEL_GEN(dev_priv) >= 10 &&
>      (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
> -     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
> +     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
>  debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
>      connector, &i915_dsc_fec_support_fops);
> 
> +if (INTEL_GEN(dev_priv) >= 12)
> +debugfs_create_file("vrr_range", S_IRUGO,
> +    root, connector, &vrr_range_fops);
> +}
> +
>  /* Legacy panels doesn't lpsp on any platform */
>  if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
>       IS_BROADWELL(dev_priv)) &&
> --
> 2.19.1
> 
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RE: [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Modem, Bhanuprakash]

[Why]
It's useful to know the min and max vrr range for IGT testing.

[How]
Expose the min and max vfreq for the connector via a debugfs file on the connector, "vrr_range".

Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range

v5:
* Rename to vrr_range to match AMD debugfs
v4:
* Rebase
v3:
* Remove the unnecessary debug print (Manasi)
v2:
* Fix the typo in max_vfreq (Manasi)
* Change the name of node to i915_vrr_info so we can add other vrr info for more debug info (Manasi)
* Change the VRR capable to display Yes or No (Manasi)
* Fix indentation checkpatch errors (Manasi)

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Manasi Navare <manasi.d.navare@intel.com>
---
 .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 70525623bcdf..a0d680c13e0d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
 	.write = i915_dsc_fec_support_write
 };
 
+static int vrr_range_show(struct seq_file *m, void *data) {
+	struct drm_connector *connector = m->private;
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
+	seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
+	seq_printf(m, "Max: %u\n", 
+(u8)connector->display_info.monitor_range.max_vfreq);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(vrr_range);
+
 /**
  * intel_connector_debugfs_add - add i915 specific connector debugfs files
  * @connector: pointer to a registered drm_connector @@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 
 	if (INTEL_GEN(dev_priv) >= 10 &&
 	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+	     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
 				    connector, &i915_dsc_fec_support_fops);
 
+		if (INTEL_GEN(dev_priv) >= 12)
+			debugfs_create_file("vrr_range", S_IRUGO,
+					    root, connector, &vrr_range_fops);
+	}
+
 	/* Legacy panels doesn't lpsp on any platform */
 	if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
 	     IS_BROADWELL(dev_priv)) &&
--
2.19.1

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Re: [Intel-gfx] [PATCH v5 3/3] drm/i915/dp: Expose connector VRR info via debugfs

[Modem, Bhanuprakash]

[Why]
It's useful to know the min and max vrr range for IGT testing.

[How]
Expose the min and max vfreq for the connector via a debugfs file on the connector, "vrr_range".

Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range

v5:
* Rename to vrr_range to match AMD debugfs
v4:
* Rebase
v3:
* Remove the unnecessary debug print (Manasi)
v2:
* Fix the typo in max_vfreq (Manasi)
* Change the name of node to i915_vrr_info so we can add other vrr info for more debug info (Manasi)
* Change the VRR capable to display Yes or No (Manasi)
* Fix indentation checkpatch errors (Manasi)

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Manasi Navare <manasi.d.navare@intel.com>
---
 .../drm/i915/display/intel_display_debugfs.c  | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 70525623bcdf..a0d680c13e0d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -2185,6 +2185,21 @@ static const struct file_operations i915_dsc_fec_support_fops = {
 	.write = i915_dsc_fec_support_write
 };
 
+static int vrr_range_show(struct seq_file *m, void *data) {
+	struct drm_connector *connector = m->private;
+
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
+
+	seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
+	seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
+	seq_printf(m, "Max: %u\n", 
+(u8)connector->display_info.monitor_range.max_vfreq);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(vrr_range);
+
 /**
  * intel_connector_debugfs_add - add i915 specific connector debugfs files
  * @connector: pointer to a registered drm_connector @@ -2219,10 +2234,15 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 
 	if (INTEL_GEN(dev_priv) >= 10 &&
 	    (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP))
+	     connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 		debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
 				    connector, &i915_dsc_fec_support_fops);
 
+		if (INTEL_GEN(dev_priv) >= 12)
+			debugfs_create_file("vrr_range", S_IRUGO,
+					    root, connector, &vrr_range_fops);
+	}
+
 	/* Legacy panels doesn't lpsp on any platform */
 	if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
 	     IS_BROADWELL(dev_priv)) &&
--
2.19.1

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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD

[Patchwork]

== Series Details ==

Series: series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD
URL   : https://patchwork.freedesktop.org/series/77204/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
f6ad5ff374c2 drm/dp: DRM DP helper for reading Ignore MSA from DPCD
2aca669eeacd drm/i915/dp: Attach and set drm connector VRR property
a2b5aa381b03 drm/i915/dp: Expose connector VRR info via debugfs
-:73: WARNING:SYMBOLIC_PERMS: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'.
#73: FILE: drivers/gpu/drm/i915/display/intel_display_debugfs.c:2242:
+			debugfs_create_file("vrr_range", S_IRUGO,

total: 0 errors, 1 warnings, 0 checks, 37 lines checked

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[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD

[Patchwork]

== Series Details ==

Series: series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD
URL   : https://patchwork.freedesktop.org/series/77204/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_8471 -> Patchwork_17638
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_17638 absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_17638, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17638/index.html

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_17638:

### IGT changes ###

#### Possible regressions ####

  * igt@kms_chamelium@dp-hpd-fast:
    - fi-cml-u2:          [PASS][1] -> [INCOMPLETE][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8471/fi-cml-u2/igt@kms_chamelium@dp-hpd-fast.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17638/fi-cml-u2/igt@kms_chamelium@dp-hpd-fast.html
    - fi-kbl-7500u:       [PASS][3] -> [INCOMPLETE][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8471/fi-kbl-7500u/igt@kms_chamelium@dp-hpd-fast.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17638/fi-kbl-7500u/igt@kms_chamelium@dp-hpd-fast.html

  
Known issues
------------

  Here are the changes found in Patchwork_17638 that come from known issues:

### IGT changes ###

#### Possible fixes ####

  * igt@i915_selftest@live@objects:
    - fi-bwr-2160:        [INCOMPLETE][5] ([i915#489]) -> [PASS][6]
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8471/fi-bwr-2160/igt@i915_selftest@live@objects.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17638/fi-bwr-2160/igt@i915_selftest@live@objects.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [i915#1803]: https://gitlab.freedesktop.org/drm/intel/issues/1803
  [i915#489]: https://gitlab.freedesktop.org/drm/intel/issues/489


Participating hosts (49 -> 12)
------------------------------

  ERROR: It appears as if the changes made in Patchwork_17638 prevented too many machines from booting.

  Missing    (37): fi-kbl-soraka fi-bdw-gvtdvm fi-icl-u2 fi-apl-guc fi-snb-2520m fi-icl-y fi-skl-lmem fi-byt-n2820 fi-icl-guc fi-icl-dsi fi-skl-6600u fi-snb-2600 fi-bxt-dsi fi-bdw-5557u fi-cml-s fi-bsw-n3050 fi-byt-j1900 fi-glk-dsi fi-hsw-4770 fi-ivb-3770 fi-elk-e7500 fi-bsw-nick fi-skl-6700k2 fi-kbl-r fi-ilk-m540 fi-ehl-1 fi-skl-guc fi-cfl-8700k fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-cfl-guc fi-kbl-guc fi-whl-u fi-kbl-x1275 fi-bsw-kefka fi-byt-clapper 


Build changes
-------------

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8471 -> Patchwork_17638

  CI-20190529: 20190529
  CI_DRM_8471: 3c84a88ed50e99b200fac400a9b817a23d399c01 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5651: e54e2642f1967ca3c488db32264607df670d1dfb @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_17638: a2b5aa381b03ce6944ec2f184d8383ea1a942b04 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

a2b5aa381b03 drm/i915/dp: Expose connector VRR info via debugfs
2aca669eeacd drm/i915/dp: Attach and set drm connector VRR property
f6ad5ff374c2 drm/dp: DRM DP helper for reading Ignore MSA from DPCD

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17638/index.html
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[Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD (rev2)

[Patchwork]

== Series Details ==

Series: series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD (rev2)
URL   : https://patchwork.freedesktop.org/series/77204/
State : failure

== Summary ==

Applying: drm/dp: DRM DP helper for reading Ignore MSA from DPCD
Applying: drm/i915/dp: Attach and set drm connector VRR property
Applying: drm/i915/dp: Expose connector VRR info via debugfs
error: corrupt patch at line 40
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0003 drm/i915/dp: Expose connector VRR info via debugfs
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".

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[Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD (rev3)

[Patchwork]

== Series Details ==

Series: series starting with [v5,1/3] drm/dp: DRM DP helper for reading Ignore MSA from DPCD (rev3)
URL   : https://patchwork.freedesktop.org/series/77204/
State : failure

== Summary ==

Applying: drm/dp: DRM DP helper for reading Ignore MSA from DPCD
Applying: drm/i915/dp: Attach and set drm connector VRR property
Applying: drm/i915/dp: Expose connector VRR info via debugfs
.git/rebase-apply/patch:40: trailing whitespace.
	seq_printf(m, "Max: %u\n", 
error: patch failed: drivers/gpu/drm/i915/display/intel_display_debugfs.c:2185
error: drivers/gpu/drm/i915/display/intel_display_debugfs.c: patch does not apply
error: Did you hand edit your patch?
It does not apply to blobs recorded in its index.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Using index info to reconstruct a base tree...
Patch failed at 0003 drm/i915/dp: Expose connector VRR info via debugfs
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".

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