In dcn32_enable_phantom_plane, we should better check null pointer before
accessing various structs.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 235c67634230 ("drm/amd/display: add DCN32/321 specific files for Display Core")
Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
index 969658313fd6..1d1b40d22f42 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
@@ -1650,6 +1650,8 @@ static void dcn32_enable_phantom_plane(struct dc *dc,
phantom_plane = prev_phantom_plane;
else
phantom_plane = dc_state_create_phantom_plane(dc, context, curr_pipe->plane_state);
+ if (!phantom_plane)
+ return;
memcpy(&phantom_plane->address, &curr_pipe->plane_state->address, sizeof(phantom_plane->address));
memcpy(&phantom_plane->scaling_quality, &curr_pipe->plane_state->scaling_quality,
--
2.25.1
