diff options
| author | Meng Yi <meng.yi@nxp.com> | 2016-01-06 07:12:05 +0300 |
|---|---|---|
| committer | Stefan Agner <stefan@agner.ch> | 2016-02-26 03:13:16 +0300 |
| commit | a36c9867d44718487262643cdefd12a386841b41 (patch) | |
| tree | 2b5f75e64d6c53571bf455aa41cabcbc8290a887 /drivers/gpu/drm/fsl-dcu | |
| parent | bc66757a0eb3dc0479bed31164e2795480160612 (diff) | |
| download | linux-a36c9867d44718487262643cdefd12a386841b41.tar.xz | |
drm: fsl-dcu: Fix no fb check bug
For state->fb or state->crtc may be NULL in fsl_dcu_drm_plane_atomic_check
function, if so, return 0.
Signed-off-by: Meng Yi <meng.yi@nxp.com>
Signed-off-by: Jianwei Wang <jianwei.wang.chn@gmail.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Diffstat (limited to 'drivers/gpu/drm/fsl-dcu')
| -rw-r--r-- | drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 3 |
1 files changed, 3 insertions, 0 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 4b13cf919575..c83da72344ae 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: |