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3 Commits

Author SHA1 Message Date
Guo Zhengkui
e6eb2c5f78 drm/amd/display: fix if == else warning 
Fix the following coccicheck warning:

drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hwseq.c:98:8-10:
WARNING: possible condition with no effect (if == else)

Reviewed-by: Zhan Liu <zhan.liu@amd.com>
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2022-04-26 11:51:20 -04:00
José Expósito
f28cad86ad drm/amd/display: fix dereference before NULL check 
The "plane_state" pointer was access before checking if it was NULL.

Avoid a possible NULL pointer dereference by accessing the plane
address after the check.

Addresses-Coverity-ID: 1493892 ("Dereference before null check")
Fixes: 3f68c01be9 ("drm/amd/display: add cyan_skillfish display support")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2021-12-30 08:54:45 -05:00
Zhan Liu
3f68c01be9 drm/amd/display: add cyan_skillfish display support 
[Why]
add display related cyan_skillfish files in.

makefile controlled by CONFIG_DRM_AMD_DC_DCN201 flag.

v2: squash in clang fixes from Harry, Nathan
v3: squash in missing CONFIG_DRM_AMD_DC check (Alex)

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Jun Lei <jun.lei@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2021-10-04 15:22:57 -04:00