We've done sanity NULL pointer check on set->fb at the beginning of drm_crtc_helper_set_config() and bailed out if necessary, thus any later on check or case handling is redundant.
Signed-off-by: Liu Ying gnuiyl@gmail.com --- drivers/gpu/drm/drm_crtc_helper.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index ef53475..cd3fbc1 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -541,8 +541,6 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) if (set->crtc->primary->fb == NULL) { DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); mode_changed = true; - } else if (set->fb == NULL) { - mode_changed = true; } else if (set->fb->pixel_format != set->crtc->primary->fb->pixel_format) { mode_changed = true;