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drm/amd/display: handle range offsets in VRR ranges
commit 937844d661
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@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>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
e21fee1035
commit
23b99c7bf6
1 changed files with 14 additions and 5 deletions
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@ -10783,14 +10783,23 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
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if (range->flags != 1)
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continue;
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amdgpu_dm_connector->min_vfreq = range->min_vfreq;
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amdgpu_dm_connector->max_vfreq = range->max_vfreq;
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amdgpu_dm_connector->pixel_clock_mhz =
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range->pixel_clock_mhz * 10;
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connector->display_info.monitor_range.min_vfreq = range->min_vfreq;
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connector->display_info.monitor_range.max_vfreq = range->max_vfreq;
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if (edid->revision >= 4) {
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if (data->pad2 & DRM_EDID_RANGE_OFFSET_MIN_VFREQ)
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connector->display_info.monitor_range.min_vfreq += 255;
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if (data->pad2 & DRM_EDID_RANGE_OFFSET_MAX_VFREQ)
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connector->display_info.monitor_range.max_vfreq += 255;
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}
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amdgpu_dm_connector->min_vfreq =
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connector->display_info.monitor_range.min_vfreq;
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amdgpu_dm_connector->max_vfreq =
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connector->display_info.monitor_range.max_vfreq;
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amdgpu_dm_connector->pixel_clock_mhz =
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range->pixel_clock_mhz * 10;
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break;
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}
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