Daniel fixed the same issue for crtc states in
commit 9f658b7b62e7aefc1ee067136126eca3f58cabfd
Author: Daniel Stone <daniels@xxxxxxxxxxxxx>
Date: Fri May 22 13:34:45 2015 +0100
drm/crtc_helper: Replace open-coded CRTC state helpers
Follow suite.
Cc: Daniel Stone <daniels@xxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/drm_plane_helper.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
index 2f0ed11024eb..cd367dde7521 100644
--- a/drivers/gpu/drm/drm_plane_helper.c
+++ b/drivers/gpu/drm/drm_plane_helper.c
@@ -527,8 +527,11 @@ int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc,
plane_state = plane->funcs->atomic_duplicate_state(plane);
else if (plane->state)
plane_state = drm_atomic_helper_plane_duplicate_state(plane);
- else
+ else {
plane_state = kzalloc(sizeof(*plane_state), GFP_KERNEL);
+ if (plane_state)
+ __drm_atomic_helper_plane_duplicate_state(plane, plane_state);
+ }
if (!plane_state)
return -ENOMEM;
plane_state->plane = plane;
@@ -574,8 +577,11 @@ int drm_plane_helper_disable(struct drm_plane *plane)
plane_state = plane->funcs->atomic_duplicate_state(plane);
else if (plane->state)
plane_state = drm_atomic_helper_plane_duplicate_state(plane);
- else
+ else {
plane_state = kzalloc(sizeof(*plane_state), GFP_KERNEL);
+ if (plane_state)
+ __drm_atomic_helper_plane_duplicate_state(plane, plane_state);
+ }
if (!plane_state)
return -ENOMEM;
plane_state->plane = plane;
--
2.1.4
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