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drm/amd/display: Fix null pointer on analog detection

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Check if we have an amdgpu_dm_connector->dc_sink first before
adding common modes for analog outputs. If we don't have a
sink yet we can safely skip this.

Fixes: 70181ad96e ("drm/amd/display: Add common modes to analog displays without EDID")
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland
2025-10-29 10:28:14 -04:00
committed by Alex Deucher
parent 812b727364
commit 5e55fd9bc6
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -8690,7 +8690,7 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
amdgpu_dm_connector->num_modes +=
drm_add_modes_noedid(connector, 1920, 1080);
if (amdgpu_dm_connector->dc_sink->edid_caps.analog) {
if (amdgpu_dm_connector->dc_sink && amdgpu_dm_connector->dc_sink->edid_caps.analog) {
/* Analog monitor connected by DAC load detection.
* Add common modes. It will be up to the user to select one that works.
*/