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authorAlex Deucher <alexander.deucher@amd.com>2024-02-28 23:59:22 +0300
committerAlex Deucher <alexander.deucher@amd.com>2024-03-04 23:59:08 +0300
commit68e05b932dcba9acc2217eac94361bb200361ffa (patch)
tree094ad54faa641a0966c88ea519f0ce6b1553a8ca /drivers/gpu/drm/amd
parent10740e47828f5b2bf11dada8c94d7a173926a844 (diff)
downloadlinux-68e05b932dcba9acc2217eac94361bb200361ffa.tar.xz
drm/amd/display: handle range offsets in VRR ranges
Need to check the offset bits for values greater than 255. v2: also update amdgpu_dm_connector values. Suggested-by: Mano Ségransan <mano.segransan@protonmail.com> Tested-by: Mano Ségransan <mano.segransan@protonmail.com> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3203 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 02db8c8d8fb9..111adadceca0 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -11303,14 +11303,23 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
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;
}