| Message ID | 1432128066-24361-1-git-send-email-p.zabel@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 6112a20..4c5f7d3 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -5186,6 +5186,12 @@ int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, int *bpp) { + /* + * This function is to be used for legacy drivers only, no new formats + * formats should be added here. + */ + WARN_ON(drm_format_num_planes(format) != 1); + switch (format) { case DRM_FORMAT_C8: case DRM_FORMAT_RGB332:
drm_fb_get_bpp_depth is to be used by legacy drivers only. None of those support multi-planar formats, so add a WARN_ON if this function is ever called with a format with more than one plane. Suggested-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> --- drivers/gpu/drm/drm_crtc.c | 6 ++++++ 1 file changed, 6 insertions(+)