They might call commit with ACTION_NOTHING without a mode.
We shouldn't crash but simply skip updating stream scaling
settings since scaling obviously didn't change without a
provided mode.
Change-Id: Id787a2f3dd73eef3512cb35f48c8cd5842d22032
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
index 865ee1ecce4f..c8a7b636a1b3 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
@@ -644,6 +644,10 @@ static void update_stream_scaling_settings(
struct rect src = { 0 }; /* viewport in composition space*/
struct rect dst = { 0 }; /* stream addressable area */
+ /* no mode. nothing to be done */
+ if (!mode)
+ return;
+
/* Full screen scaling by default */
src.width = mode->hdisplay;
src.height = mode->vdisplay;
--
2.9.3
