On Thu, May 16, 2024 at 08:33:24PM +0300, Ville Syrjala wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Make life easier for drivers by filtering out unwanted YCbCr 4:2:0 > only modes prior to calling the connector->mode_valid() hook. > Currently drivers will still see YCbCr 4:2:0 only modes in said > hook, which will likely come as a suprise when the driver has > declared no support for such modes (via setting > connector->ycbcr_420_allowed to false). > > Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10992 > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Sounds reasonable. Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > --- > drivers/gpu/drm/drm_probe_helper.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c > index 4f75a1cfd820..249c8c2cb319 100644 > --- a/drivers/gpu/drm/drm_probe_helper.c > +++ b/drivers/gpu/drm/drm_probe_helper.c > @@ -474,6 +474,10 @@ static int __drm_helper_update_and_validate(struct drm_connector *connector, > if (mode->status != MODE_OK) > continue; > > + mode->status = drm_mode_validate_ycbcr420(mode, connector); > + if (mode->status != MODE_OK) > + continue; > + > ret = drm_mode_validate_pipeline(mode, connector, ctx, > &mode->status); > if (ret) { > @@ -486,10 +490,6 @@ static int __drm_helper_update_and_validate(struct drm_connector *connector, > else > return -EDEADLK; > } > - > - if (mode->status != MODE_OK) > - continue; > - mode->status = drm_mode_validate_ycbcr420(mode, connector); > } > > return 0; > -- > 2.44.1 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch