mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-04-04 21:42:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Check NULL connector before it is used

Browse Source 
[Why & How]
amdgpu_dm_find_first_crtc_matching_connector can return NULL.
It is necessary to the returned connector before passing it
drm_atomic_get_new_connector_state which always assumes connector is
not NULL.

Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung
2025-02-18 21:14:47 -07:00
committed by Alex Deucher
parent 79fc4e856e
commit 02b2c97824
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
View File

@@ -1632,6 +1632,9 @@ int pre_validate_dsc(struct drm_atomic_state *state,
connector =
amdgpu_dm_find_first_crtc_matching_connector(state,
state->crtcs[ind].ptr);
if (!connector)
continue;
drm_new_conn_state =
drm_atomic_get_new_connector_state(state,
connector);