For state->fb may be NULL in fsl_dcu_drm_plane_atomic_check function, if so, return 0. No need check in fsl_dcu_drm_plane_atomic_update anymore.
Signed-off-by: Meng Yi meng.yi@nxp.com --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c index 4b13cf9..8965580 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c @@ -41,6 +41,9 @@ static int fsl_dcu_drm_plane_atomic_check(struct drm_plane *plane, { struct drm_framebuffer *fb = state->fb;
+ if (!state->fb || !state->crtc) + return 0; + switch (fb->pixel_format) { case DRM_FORMAT_RGB565: case DRM_FORMAT_RGB888: @@ -85,9 +88,6 @@ static void fsl_dcu_drm_plane_atomic_update(struct drm_plane *plane, unsigned int alpha, bpp; int index, ret;
- if (!fb) - return; - index = fsl_dcu_drm_plane_index(plane); if (index < 0) return;