drm/atomic: atomic_check functions
Add functions to check core plane/crtc state.
v2: comments, int-overflow checks, call from core rather than
helpers to be sure drivers can't find a way to bypass core
checks
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 57e5540..541ba83 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -467,7 +467,7 @@
ret = funcs->atomic_check(plane, plane_state);
if (ret) {
- DRM_DEBUG_KMS("[PLANE:%d] atomic check failed\n",
+ DRM_DEBUG_KMS("[PLANE:%d] atomic driver check failed\n",
plane->base.id);
return ret;
}
@@ -487,7 +487,7 @@
ret = funcs->atomic_check(crtc, state->crtc_states[i]);
if (ret) {
- DRM_DEBUG_KMS("[CRTC:%d] atomic check failed\n",
+ DRM_DEBUG_KMS("[CRTC:%d] atomic driver check failed\n",
crtc->base.id);
return ret;
}