[Intel-gfx] [v6 0/3] VRR capable attach prop in i915, VRR debugfs

[Intel-gfx] [v6 0/3] VRR capable attach prop in i915, VRR debugfs

[Bhanuprakash Modem]

This is an initial set of patches for enabling VRR support in i915.
This series has patches for:
1. Attach and set VRR capable connector prop for Intel DP conn
2. Expose VRR min and max through debugfs
3. Remove AMD specific logic to create debugfs

Aditya Swarup (1):
  drm/i915/dp: Attach and set drm connector VRR property

Bhanuprakash Modem (2):
  drm/debug: Expose connector VRR monitor range via debugfs
  Revert "drm/amd/display: Expose connector VRR range via debugfs"

 .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 20 --------------
 drivers/gpu/drm/drm_debugfs.c                 | 22 +++++++++++++++
 drivers/gpu/drm/i915/display/intel_dp.c       | 27 +++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_dp.h       |  2 ++
 4 files changed, 51 insertions(+), 20 deletions(-)

-- 
2.20.1

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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for VRR capable attach prop in i915, VRR debugfs

[Patchwork]

== Series Details ==

Series: VRR capable attach prop in i915, VRR debugfs
URL   : https://patchwork.freedesktop.org/series/78670/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
383b031f7157 drm/i915/dp: Attach and set drm connector VRR property
5d20cfadedc4 drm/debug: Expose connector VRR monitor range via debugfs
-:38: WARNING:TYPO_SPELLING: 'Seperate' may be misspelled - perhaps 'Separate'?
#38: 
* Seperate patch for removal of AMD specific logic (Manasi)

-:82: WARNING:SYMBOLIC_PERMS: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'.
#82: FILE: drivers/gpu/drm/drm_debugfs.c:436:
+	debugfs_create_file("vrr_range", S_IRUGO, root, connector,

total: 0 errors, 2 warnings, 0 checks, 34 lines checked
6206d3194afb Revert "drm/amd/display: Expose connector VRR range via debugfs"

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[Intel-gfx] ✗ Fi.CI.SPARSE: warning for VRR capable attach prop in i915, VRR debugfs

[Patchwork]

== Series Details ==

Series: VRR capable attach prop in i915, VRR debugfs
URL   : https://patchwork.freedesktop.org/series/78670/
State : warning

== Summary ==

$ dim sparse --fast origin/drm-tip
Sparse version: v0.6.0
Fast mode used, each commit won't be checked separately.
-drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1171:46: warning: Using plain integer as NULL pointer
+drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1151:46: warning: Using plain integer as NULL pointer
+drivers/gpu/drm/i915/display/intel_display.c:1222:22: error: Expected constant expression in case statement
+drivers/gpu/drm/i915/display/intel_display.c:1225:22: error: Expected constant expression in case statement
+drivers/gpu/drm/i915/display/intel_display.c:1228:22: error: Expected constant expression in case statement
+drivers/gpu/drm/i915/display/intel_display.c:1231:22: error: Expected constant expression in case statement

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[Intel-gfx] ✗ Fi.CI.BAT: failure for VRR capable attach prop in i915, VRR debugfs

[Patchwork]

== Series Details ==

Series: VRR capable attach prop in i915, VRR debugfs
URL   : https://patchwork.freedesktop.org/series/78670/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_8650 -> Patchwork_18002
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_18002 absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_18002, 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_18002/index.html

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

  Here are the unknown changes that may have been introduced in Patchwork_18002:

### 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_8650/fi-cml-u2/igt@kms_chamelium@dp-hpd-fast.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18002/fi-cml-u2/igt@kms_chamelium@dp-hpd-fast.html

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

  Here are the changes found in Patchwork_18002 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_exec_suspend@basic-s3:
    - fi-tgl-u2:          [PASS][3] -> [FAIL][4] ([i915#1888])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8650/fi-tgl-u2/igt@gem_exec_suspend@basic-s3.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18002/fi-tgl-u2/igt@gem_exec_suspend@basic-s3.html

  * igt@i915_module_load@reload:
    - fi-tgl-u2:          [PASS][5] -> [DMESG-WARN][6] ([i915#402])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8650/fi-tgl-u2/igt@i915_module_load@reload.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18002/fi-tgl-u2/igt@i915_module_load@reload.html

  
#### Possible fixes ####

  * igt@i915_selftest@live@gem_contexts:
    - fi-tgl-u2:          [INCOMPLETE][7] ([i915#1932]) -> [PASS][8]
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8650/fi-tgl-u2/igt@i915_selftest@live@gem_contexts.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18002/fi-tgl-u2/igt@i915_selftest@live@gem_contexts.html

  * igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence:
    - fi-tgl-u2:          [DMESG-WARN][9] ([i915#402]) -> [PASS][10]
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8650/fi-tgl-u2/igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18002/fi-tgl-u2/igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence.html

  
  [i915#1888]: https://gitlab.freedesktop.org/drm/intel/issues/1888
  [i915#1932]: https://gitlab.freedesktop.org/drm/intel/issues/1932
  [i915#402]: https://gitlab.freedesktop.org/drm/intel/issues/402


Participating hosts (44 -> 10)
------------------------------

  ERROR: It appears as if the changes made in Patchwork_18002 prevented too many machines from booting.

  Additional (1): fi-pnv-d510 
  Missing    (35): fi-bdw-gvtdvm fi-icl-u2 fi-apl-guc fi-snb-2520m fi-icl-y fi-byt-n2820 fi-icl-dsi fi-icl-guc fi-skl-6600u fi-snb-2600 fi-bxt-dsi fi-cml-s fi-bsw-n3050 fi-byt-j1900 fi-glk-dsi fi-ctg-p8600 fi-hsw-4770 fi-ivb-3770 fi-elk-e7500 fi-kbl-7560u fi-bsw-nick 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 fi-bdw-samus 


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

  * Linux: CI_DRM_8650 -> Patchwork_18002

  CI-20190529: 20190529
  CI_DRM_8650: 24b806b0a1dd38c734e771ece9dd1ab6492bbb96 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5714: f0ade50caf38574592886f55bb03cf80c574bb83 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_18002: 6206d3194afbfc3b06d9b9436c799126ece2cdb0 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

6206d3194afb Revert "drm/amd/display: Expose connector VRR range via debugfs"
5d20cfadedc4 drm/debug: Expose connector VRR monitor range via debugfs
383b031f7157 drm/i915/dp: Attach and set drm connector VRR property

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18002/index.html
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[Intel-gfx] [v6 1/3] drm/i915/dp: Attach and set drm connector VRR property

[Bhanuprakash Modem]

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 42589cae766d..d0dba81cfb07 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6149,6 +6149,9 @@ 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,
@@ -6256,6 +6259,23 @@ 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);
@@ -6264,6 +6284,10 @@ 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;
 	}
@@ -7325,6 +7349,9 @@ 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 0a8950f744f6..db895a3cd93f 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 drm_dp_vsc_sdp;
@@ -120,6 +121,7 @@ void intel_read_dp_sdp(struct intel_encoder *encoder,
 		       unsigned int type);
 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)
 {
-- 
2.20.1

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[Intel-gfx] [v9 2/3] drm/debug: Expose connector VRR monitor range via debugfs

[Bhanuprakash Modem]

[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

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)
v3:
* Remove the unnecessary debug print (Manasi)
v4:
* Rebase
v5:
* Rename to vrr_range to match AMD debugfs
v6:
* Rebase (manasi)
v7:
* Fix cmpilation due to rebase
v8:
* Move debugfs node creation logic to DRM (Emil)
* Remove AMD specific logic (Emil)
v9:
* Seperate patch for removal of AMD specific logic (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>
Cc: Harry Wentland <harry.wentland@amd.com>
CC: Emil Velikov <emil.l.velikov@gmail.com>
---
 drivers/gpu/drm/drm_debugfs.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index bfe4602f206b..3d7182001004 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -376,6 +376,24 @@ static ssize_t edid_write(struct file *file, const char __user *ubuf,
 	return (ret) ? ret : len;
 }
 
+/*
+ * Returns the min and max vrr vfreq through the connector's debugfs file.
+ * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range
+ */
+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, "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);
+
 static const struct file_operations drm_edid_fops = {
 	.owner = THIS_MODULE,
 	.open = edid_open,
@@ -413,6 +431,10 @@ void drm_debugfs_connector_add(struct drm_connector *connector)
 	/* edid */
 	debugfs_create_file("edid_override", S_IRUGO | S_IWUSR, root, connector,
 			    &drm_edid_fops);
+
+	/* vrr range */
+	debugfs_create_file("vrr_range", S_IRUGO, root, connector,
+			    &vrr_range_fops);
 }
 
 void drm_debugfs_connector_remove(struct drm_connector *connector)
-- 
2.20.1

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Re: [Intel-gfx] [v9 2/3] drm/debug: Expose connector VRR monitor range via debugfs

[Manasi Navare]

On Mon, Jun 22, 2020 at 07:55:18PM +0530, Bhanuprakash Modem wrote:
> [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
> 
> 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)
> v3:
> * Remove the unnecessary debug print (Manasi)
> v4:
> * Rebase
> v5:
> * Rename to vrr_range to match AMD debugfs
> v6:
> * Rebase (manasi)
> v7:
> * Fix cmpilation due to rebase
> v8:
> * Move debugfs node creation logic to DRM (Emil)
> * Remove AMD specific logic (Emil)
> v9:
> * Seperate patch for removal of AMD specific logic (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>
> Cc: Harry Wentland <harry.wentland@amd.com>
> CC: Emil Velikov <emil.l.velikov@gmail.com>

Looks good to me,

Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>

Manasi

> ---
>  drivers/gpu/drm/drm_debugfs.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
> index bfe4602f206b..3d7182001004 100644
> --- a/drivers/gpu/drm/drm_debugfs.c
> +++ b/drivers/gpu/drm/drm_debugfs.c
> @@ -376,6 +376,24 @@ static ssize_t edid_write(struct file *file, const char __user *ubuf,
>  	return (ret) ? ret : len;
>  }
>  
> +/*
> + * Returns the min and max vrr vfreq through the connector's debugfs file.
> + * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range
> + */
> +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, "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);
> +
>  static const struct file_operations drm_edid_fops = {
>  	.owner = THIS_MODULE,
>  	.open = edid_open,
> @@ -413,6 +431,10 @@ void drm_debugfs_connector_add(struct drm_connector *connector)
>  	/* edid */
>  	debugfs_create_file("edid_override", S_IRUGO | S_IWUSR, root, connector,
>  			    &drm_edid_fops);
> +
> +	/* vrr range */
> +	debugfs_create_file("vrr_range", S_IRUGO, root, connector,
> +			    &vrr_range_fops);
>  }
>  
>  void drm_debugfs_connector_remove(struct drm_connector *connector)
> -- 
> 2.20.1
> 
> _______________________________________________
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> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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Re: [Intel-gfx] [v9 2/3] drm/debug: Expose connector VRR monitor range via debugfs

[Manasi Navare]

Thanks Bhanu for the patch, merged to drm-misc

Manasi

On Mon, Jun 22, 2020 at 07:55:18PM +0530, Bhanuprakash Modem wrote:
> [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
> 
> 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)
> v3:
> * Remove the unnecessary debug print (Manasi)
> v4:
> * Rebase
> v5:
> * Rename to vrr_range to match AMD debugfs
> v6:
> * Rebase (manasi)
> v7:
> * Fix cmpilation due to rebase
> v8:
> * Move debugfs node creation logic to DRM (Emil)
> * Remove AMD specific logic (Emil)
> v9:
> * Seperate patch for removal of AMD specific logic (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>
> Cc: Harry Wentland <harry.wentland@amd.com>
> CC: Emil Velikov <emil.l.velikov@gmail.com>
> ---
>  drivers/gpu/drm/drm_debugfs.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
> index bfe4602f206b..3d7182001004 100644
> --- a/drivers/gpu/drm/drm_debugfs.c
> +++ b/drivers/gpu/drm/drm_debugfs.c
> @@ -376,6 +376,24 @@ static ssize_t edid_write(struct file *file, const char __user *ubuf,
>  	return (ret) ? ret : len;
>  }
>  
> +/*
> + * Returns the min and max vrr vfreq through the connector's debugfs file.
> + * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range
> + */
> +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, "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);
> +
>  static const struct file_operations drm_edid_fops = {
>  	.owner = THIS_MODULE,
>  	.open = edid_open,
> @@ -413,6 +431,10 @@ void drm_debugfs_connector_add(struct drm_connector *connector)
>  	/* edid */
>  	debugfs_create_file("edid_override", S_IRUGO | S_IWUSR, root, connector,
>  			    &drm_edid_fops);
> +
> +	/* vrr range */
> +	debugfs_create_file("vrr_range", S_IRUGO, root, connector,
> +			    &vrr_range_fops);
>  }
>  
>  void drm_debugfs_connector_remove(struct drm_connector *connector)
> -- 
> 2.20.1
> 
> _______________________________________________
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> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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[Intel-gfx] [v1 3/3] Revert "drm/amd/display: Expose connector VRR range via debugfs"

[Bhanuprakash Modem]

As both VRR min and max are already part of drm_display_info,
drm can expose this VRR range for each connector.

Hence this logic should move to core DRM.

This reverts commit 727962f030c23422a01e8b22d0f463815fb15ec4.

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: AMD gfx <amd-gfx@lists.freedesktop.org>
---
 .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 20 -------------------
 1 file changed, 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 076af267b488..71387d2af2ed 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -820,24 +820,6 @@ static int output_bpc_show(struct seq_file *m, void *data)
 	return res;
 }
 
-/*
- * Returns the min and max vrr vfreq through the connector's debugfs file.
- * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range
- */
-static int vrr_range_show(struct seq_file *m, void *data)
-{
-	struct drm_connector *connector = m->private;
-	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
-
-	if (connector->status != connector_status_connected)
-		return -ENODEV;
-
-	seq_printf(m, "Min: %u\n", (unsigned int)aconnector->min_vfreq);
-	seq_printf(m, "Max: %u\n", (unsigned int)aconnector->max_vfreq);
-
-	return 0;
-}
-
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 /*
  * Returns the HDCP capability of the Display (1.4 for now).
@@ -1001,7 +983,6 @@ static ssize_t dp_dpcd_data_read(struct file *f, char __user *buf,
 DEFINE_SHOW_ATTRIBUTE(dmub_fw_state);
 DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer);
 DEFINE_SHOW_ATTRIBUTE(output_bpc);
-DEFINE_SHOW_ATTRIBUTE(vrr_range);
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability);
 #endif
@@ -1059,7 +1040,6 @@ static const struct {
 		{"phy_settings", &dp_phy_settings_debugfs_fop},
 		{"test_pattern", &dp_phy_test_pattern_fops},
 		{"output_bpc", &output_bpc_fops},
-		{"vrr_range", &vrr_range_fops},
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 		{"hdcp_sink_capability", &hdcp_sink_capability_fops},
 #endif
-- 
2.20.1

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Re: [Intel-gfx] [v1 3/3] Revert "drm/amd/display: Expose connector VRR range via debugfs"

[Kazlauskas, Nicholas]

On 2020-06-22 10:25 a.m., Bhanuprakash Modem wrote:
> As both VRR min and max are already part of drm_display_info,
> drm can expose this VRR range for each connector.
> 
> Hence this logic should move to core DRM.
> 
> This reverts commit 727962f030c23422a01e8b22d0f463815fb15ec4.
> 
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
> Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
> Cc: Harry Wentland <harry.wentland@amd.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: Manasi Navare <manasi.d.navare@intel.com>
> Cc: AMD gfx <amd-gfx@lists.freedesktop.org>


Looks good to me with Patch 2 part of the series.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>

Thanks,
Nicholas Kazlauskas

> ---
>   .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 20 -------------------
>   1 file changed, 20 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> index 076af267b488..71387d2af2ed 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> @@ -820,24 +820,6 @@ static int output_bpc_show(struct seq_file *m, void *data)
>   	return res;
>   }
>   
> -/*
> - * Returns the min and max vrr vfreq through the connector's debugfs file.
> - * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range
> - */
> -static int vrr_range_show(struct seq_file *m, void *data)
> -{
> -	struct drm_connector *connector = m->private;
> -	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
> -
> -	if (connector->status != connector_status_connected)
> -		return -ENODEV;
> -
> -	seq_printf(m, "Min: %u\n", (unsigned int)aconnector->min_vfreq);
> -	seq_printf(m, "Max: %u\n", (unsigned int)aconnector->max_vfreq);
> -
> -	return 0;
> -}
> -
>   #ifdef CONFIG_DRM_AMD_DC_HDCP
>   /*
>    * Returns the HDCP capability of the Display (1.4 for now).
> @@ -1001,7 +983,6 @@ static ssize_t dp_dpcd_data_read(struct file *f, char __user *buf,
>   DEFINE_SHOW_ATTRIBUTE(dmub_fw_state);
>   DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer);
>   DEFINE_SHOW_ATTRIBUTE(output_bpc);
> -DEFINE_SHOW_ATTRIBUTE(vrr_range);
>   #ifdef CONFIG_DRM_AMD_DC_HDCP
>   DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability);
>   #endif
> @@ -1059,7 +1040,6 @@ static const struct {
>   		{"phy_settings", &dp_phy_settings_debugfs_fop},
>   		{"test_pattern", &dp_phy_test_pattern_fops},
>   		{"output_bpc", &output_bpc_fops},
> -		{"vrr_range", &vrr_range_fops},
>   #ifdef CONFIG_DRM_AMD_DC_HDCP
>   		{"hdcp_sink_capability", &hdcp_sink_capability_fops},
>   #endif
> 

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Re: [Intel-gfx] [v1 3/3] Revert "drm/amd/display: Expose connector VRR range via debugfs"

[Manasi Navare]

On Mon, Jun 22, 2020 at 10:57:02AM -0400, Kazlauskas, Nicholas wrote:
> On 2020-06-22 10:25 a.m., Bhanuprakash Modem wrote:
> >As both VRR min and max are already part of drm_display_info,
> >drm can expose this VRR range for each connector.
> >
> >Hence this logic should move to core DRM.
> >
> >This reverts commit 727962f030c23422a01e8b22d0f463815fb15ec4.
> >
> >Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
> >Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
> >Cc: Harry Wentland <harry.wentland@amd.com>
> >Cc: Alex Deucher <alexander.deucher@amd.com>
> >Cc: Manasi Navare <manasi.d.navare@intel.com>
> >Cc: AMD gfx <amd-gfx@lists.freedesktop.org>
> 
> 
> Looks good to me with Patch 2 part of the series.
> 
> Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
> 

Thanks for your review, do we have your r-b on patch 2/3 also?
In that case, how do you think we should merge the patches?
Patch 2/3 will be merged through drm-misc, how about this one?

Manasi

> Thanks,
> Nicholas Kazlauskas
> 
> >---
> >  .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 20 -------------------
> >  1 file changed, 20 deletions(-)
> >
> >diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> >index 076af267b488..71387d2af2ed 100644
> >--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> >+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> >@@ -820,24 +820,6 @@ static int output_bpc_show(struct seq_file *m, void *data)
> >  	return res;
> >  }
> >-/*
> >- * Returns the min and max vrr vfreq through the connector's debugfs file.
> >- * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range
> >- */
> >-static int vrr_range_show(struct seq_file *m, void *data)
> >-{
> >-	struct drm_connector *connector = m->private;
> >-	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
> >-
> >-	if (connector->status != connector_status_connected)
> >-		return -ENODEV;
> >-
> >-	seq_printf(m, "Min: %u\n", (unsigned int)aconnector->min_vfreq);
> >-	seq_printf(m, "Max: %u\n", (unsigned int)aconnector->max_vfreq);
> >-
> >-	return 0;
> >-}
> >-
> >  #ifdef CONFIG_DRM_AMD_DC_HDCP
> >  /*
> >   * Returns the HDCP capability of the Display (1.4 for now).
> >@@ -1001,7 +983,6 @@ static ssize_t dp_dpcd_data_read(struct file *f, char __user *buf,
> >  DEFINE_SHOW_ATTRIBUTE(dmub_fw_state);
> >  DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer);
> >  DEFINE_SHOW_ATTRIBUTE(output_bpc);
> >-DEFINE_SHOW_ATTRIBUTE(vrr_range);
> >  #ifdef CONFIG_DRM_AMD_DC_HDCP
> >  DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability);
> >  #endif
> >@@ -1059,7 +1040,6 @@ static const struct {
> >  		{"phy_settings", &dp_phy_settings_debugfs_fop},
> >  		{"test_pattern", &dp_phy_test_pattern_fops},
> >  		{"output_bpc", &output_bpc_fops},
> >-		{"vrr_range", &vrr_range_fops},
> >  #ifdef CONFIG_DRM_AMD_DC_HDCP
> >  		{"hdcp_sink_capability", &hdcp_sink_capability_fops},
> >  #endif
> >
> 
> _______________________________________________
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> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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[Intel-gfx] [PATCH v2 3/3] Revert "drm/amd/display: Expose connector VRR range via debugfs"

[Manasi Navare]

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

v2:
* Rebase (Manasi)

As both VRR min and max are already part of drm_display_info,
drm can expose this VRR range for each connector.

Hence this logic should move to core DRM.

This reverts commit 727962f030c23422a01e8b22d0f463815fb15ec4.

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: AMD gfx <amd-gfx@lists.freedesktop.org>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
---
 .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 20 -------------------
 1 file changed, 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 076af267b488..71387d2af2ed 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -820,24 +820,6 @@ static int output_bpc_show(struct seq_file *m, void *data)
 	return res;
 }
 
-/*
- * Returns the min and max vrr vfreq through the connector's debugfs file.
- * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range
- */
-static int vrr_range_show(struct seq_file *m, void *data)
-{
-	struct drm_connector *connector = m->private;
-	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
-
-	if (connector->status != connector_status_connected)
-		return -ENODEV;
-
-	seq_printf(m, "Min: %u\n", (unsigned int)aconnector->min_vfreq);
-	seq_printf(m, "Max: %u\n", (unsigned int)aconnector->max_vfreq);
-
-	return 0;
-}
-
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 /*
  * Returns the HDCP capability of the Display (1.4 for now).
@@ -1001,7 +983,6 @@ static ssize_t dp_dpcd_data_read(struct file *f, char __user *buf,
 DEFINE_SHOW_ATTRIBUTE(dmub_fw_state);
 DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer);
 DEFINE_SHOW_ATTRIBUTE(output_bpc);
-DEFINE_SHOW_ATTRIBUTE(vrr_range);
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability);
 #endif
@@ -1059,7 +1040,6 @@ static const struct {
 		{"phy_settings", &dp_phy_settings_debugfs_fop},
 		{"test_pattern", &dp_phy_test_pattern_fops},
 		{"output_bpc", &output_bpc_fops},
-		{"vrr_range", &vrr_range_fops},
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 		{"hdcp_sink_capability", &hdcp_sink_capability_fops},
 #endif
-- 
2.19.1

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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for VRR capable attach prop in i915, VRR debugfs (rev2)

[Patchwork]

== Series Details ==

Series: VRR capable attach prop in i915, VRR debugfs (rev2)
URL   : https://patchwork.freedesktop.org/series/78670/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
2ee51bf6e884 drm/i915/dp: Attach and set drm connector VRR property
377c60b4f795 drm/debug: Expose connector VRR monitor range via debugfs
-:38: WARNING:TYPO_SPELLING: 'Seperate' may be misspelled - perhaps 'Separate'?
#38: 
* Seperate patch for removal of AMD specific logic (Manasi)

-:83: WARNING:SYMBOLIC_PERMS: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'.
#83: FILE: drivers/gpu/drm/drm_debugfs.c:436:
+	debugfs_create_file("vrr_range", S_IRUGO, root, connector,

total: 0 errors, 2 warnings, 0 checks, 34 lines checked
5e027171f0c0 Revert "drm/amd/display: Expose connector VRR range via debugfs"

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[Intel-gfx] ✗ Fi.CI.SPARSE: warning for VRR capable attach prop in i915, VRR debugfs (rev2)

[Patchwork]

== Series Details ==

Series: VRR capable attach prop in i915, VRR debugfs (rev2)
URL   : https://patchwork.freedesktop.org/series/78670/
State : warning

== Summary ==

$ dim sparse --fast origin/drm-tip
Sparse version: v0.6.0
Fast mode used, each commit won't be checked separately.
-drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1171:46: warning: Using plain integer as NULL pointer
+drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1151:46: warning: Using plain integer as NULL pointer
+drivers/gpu/drm/i915/display/intel_display.c:1222:22: error: Expected constant expression in case statement
+drivers/gpu/drm/i915/display/intel_display.c:1225:22: error: Expected constant expression in case statement
+drivers/gpu/drm/i915/display/intel_display.c:1228:22: error: Expected constant expression in case statement
+drivers/gpu/drm/i915/display/intel_display.c:1231:22: error: Expected constant expression in case statement

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[Intel-gfx] ✗ Fi.CI.BAT: failure for VRR capable attach prop in i915, VRR debugfs (rev2)

[Patchwork]

== Series Details ==

Series: VRR capable attach prop in i915, VRR debugfs (rev2)
URL   : https://patchwork.freedesktop.org/series/78670/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_8655 -> Patchwork_18010
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_18010 absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_18010, 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_18010/index.html

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

  Here are the unknown changes that may have been introduced in Patchwork_18010:

### 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_8655/fi-cml-u2/igt@kms_chamelium@dp-hpd-fast.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18010/fi-cml-u2/igt@kms_chamelium@dp-hpd-fast.html

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

  Here are the changes found in Patchwork_18010 that come from known issues:

### IGT changes ###

#### Possible fixes ####

  * igt@gem_exec_suspend@basic-s0:
    - fi-tgl-u2:          [FAIL][3] ([i915#1888]) -> [PASS][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8655/fi-tgl-u2/igt@gem_exec_suspend@basic-s0.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18010/fi-tgl-u2/igt@gem_exec_suspend@basic-s0.html

  * igt@i915_selftest@live@gem_contexts:
    - fi-tgl-u2:          [INCOMPLETE][5] ([i915#1932]) -> [PASS][6]
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8655/fi-tgl-u2/igt@i915_selftest@live@gem_contexts.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18010/fi-tgl-u2/igt@i915_selftest@live@gem_contexts.html

  * igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence:
    - fi-tgl-u2:          [DMESG-WARN][7] ([i915#402]) -> [PASS][8]
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8655/fi-tgl-u2/igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18010/fi-tgl-u2/igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence.html

  
  [i915#1888]: https://gitlab.freedesktop.org/drm/intel/issues/1888
  [i915#1932]: https://gitlab.freedesktop.org/drm/intel/issues/1932
  [i915#402]: https://gitlab.freedesktop.org/drm/intel/issues/402


Participating hosts (44 -> 11)
------------------------------

  ERROR: It appears as if the changes made in Patchwork_18010 prevented too many machines from booting.

  Missing    (33): fi-kbl-soraka fi-bdw-gvtdvm fi-icl-u2 fi-apl-guc fi-snb-2520m fi-icl-y fi-byt-n2820 fi-icl-dsi fi-skl-6600u fi-snb-2600 fi-bxt-dsi 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-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 fi-bdw-samus 


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

  * Linux: CI_DRM_8655 -> Patchwork_18010

  CI-20190529: 20190529
  CI_DRM_8655: 25d43cec6c2200a9ebe8a8b0923b27b164a6f424 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5716: 71a22c37ae6541f9d991d81f15cbade1da402b75 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_18010: 5e027171f0c0028d9cc34be622d2e34b44a62c3a @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

5e027171f0c0 Revert "drm/amd/display: Expose connector VRR range via debugfs"
377c60b4f795 drm/debug: Expose connector VRR monitor range via debugfs
2ee51bf6e884 drm/i915/dp: Attach and set drm connector VRR property

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_18010/index.html
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[Intel-gfx] ✗ Fi.CI.BUILD: failure for VRR capable attach prop in i915, VRR debugfs (rev3)

[Patchwork]

== Series Details ==

Series: VRR capable attach prop in i915, VRR debugfs (rev3)
URL   : https://patchwork.freedesktop.org/series/78670/
State : failure

== Summary ==

Applying: drm/i915/dp: Attach and set drm connector VRR property
Applying: drm/debug: Expose connector VRR monitor range via debugfs
Using index info to reconstruct a base tree...
M	drivers/gpu/drm/drm_debugfs.c
Falling back to patching base and 3-way merge...
No changes -- Patch already applied.
Applying: Revert "drm/amd/display: Expose connector VRR range via debugfs"
Using index info to reconstruct a base tree...
M	drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
Falling back to patching base and 3-way merge...
Auto-merging drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0003 Revert "drm/amd/display: Expose connector VRR range 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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