drm: Perform a full mode set when the pixel format changed
Test whether the pixel format changes in the mode set handler, and
perform a full mode set instead of a mode set base if it does.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 7b2d378..e974f93 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -648,6 +648,9 @@
} else if (set->fb->bits_per_pixel !=
set->crtc->fb->bits_per_pixel) {
mode_changed = true;
+ } else if (set->fb->pixel_format !=
+ set->crtc->fb->pixel_format) {
+ mode_changed = true;
} else
fb_changed = true;
}