This is a note to let you know that I've just added the patch titled
drm/amd/display: handle range offsets in VRR ranges
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-display-handle-range-offsets-in-vrr-ranges.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 937844d661354bf142dc1c621396fdab10ecbacc Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Wed, 28 Feb 2024 15:59:22 -0500
Subject: drm/amd/display: handle range offsets in VRR ranges
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From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 937844d661354bf142dc1c621396fdab10ecbacc upstream.
Need to check the offset bits for values greater than 255.
v2: also update amdgpu_dm_connector values.
Suggested-by: Mano Ségransan <mano.segransan@xxxxxxxxxxxxxx>
Tested-by: Mano Ségransan <mano.segransan@xxxxxxxxxxxxxx>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3203
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -10783,14 +10783,23 @@ void amdgpu_dm_update_freesync_caps(stru
if (range->flags != 1)
continue;
- amdgpu_dm_connector->min_vfreq = range->min_vfreq;
- amdgpu_dm_connector->max_vfreq = range->max_vfreq;
- amdgpu_dm_connector->pixel_clock_mhz =
- range->pixel_clock_mhz * 10;
-
connector->display_info.monitor_range.min_vfreq = range->min_vfreq;
connector->display_info.monitor_range.max_vfreq = range->max_vfreq;
+ if (edid->revision >= 4) {
+ if (data->pad2 & DRM_EDID_RANGE_OFFSET_MIN_VFREQ)
+ connector->display_info.monitor_range.min_vfreq += 255;
+ if (data->pad2 & DRM_EDID_RANGE_OFFSET_MAX_VFREQ)
+ connector->display_info.monitor_range.max_vfreq += 255;
+ }
+
+ amdgpu_dm_connector->min_vfreq =
+ connector->display_info.monitor_range.min_vfreq;
+ amdgpu_dm_connector->max_vfreq =
+ connector->display_info.monitor_range.max_vfreq;
+ amdgpu_dm_connector->pixel_clock_mhz =
+ range->pixel_clock_mhz * 10;
+
break;
}
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-6.6/drm-amdgpu-pm-fix-the-error-of-pwm1_enable-setting.patch
queue-6.6/drm-amd-display-use-freesync-when-drm_edid_feature_continuous_freq-found.patch
queue-6.6/drm-amdgpu-amdgpu_ttm_gart_bind-set-gtt-bound-flag.patch
queue-6.6/drm-amd-display-handle-range-offsets-in-vrr-ranges.patch
queue-6.6/drm-amd-display-return-the-correct-hdcp-error-code.patch
queue-6.6/drm-amd-display-fix-noise-issue-on-hdmi-av-mute.patch
