On Sat, Oct 15, 2022 at 08:26:48PM +0300, Laurent Pinchart wrote: > Hi Maxime and Joerg, > > Thank you for the patch. > > On Thu, Oct 13, 2022 at 11:56:49AM +0200, Maxime Ripard wrote: > > From: Joerg Quinten <abugsworstnightm...@gmail.com> > > > > The VC4 DPI output can support multiple BGR666 variants, but they were > > never added to the driver. Let's add the the support for those formats. > > > > Signed-off-by: Joerg Quinten <abugsworstnightm...@gmail.com> > > Signed-off-by: Maxime Ripard <max...@cerno.tech> > > Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com> > > > --- > > drivers/gpu/drm/vc4/vc4_dpi.c | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c > > index 7da3dd1db50e..ecbe4cd87036 100644 > > --- a/drivers/gpu/drm/vc4/vc4_dpi.c > > +++ b/drivers/gpu/drm/vc4/vc4_dpi.c > > @@ -170,10 +170,16 @@ static void vc4_dpi_encoder_enable(struct drm_encoder > > *encoder) > > dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, > > DPI_ORDER); > > break; > > + case MEDIA_BUS_FMT_BGR666_1X24_CPADHI: > > + dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, > > DPI_ORDER); > > + fallthrough;
Upon closer inspection of the code, I think you also need - dpi_c &= ~DPI_FORMAT_MASK; + dpi_c &= ~(DPI_ORDER_MASK | DPI_FORMAT_MASK); a few lines above. > > case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: > > dpi_c |= > > VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2, > > DPI_FORMAT); > > break; > > + case MEDIA_BUS_FMT_BGR666_1X18: > > + dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, > > DPI_ORDER); > > + fallthrough; > > case MEDIA_BUS_FMT_RGB666_1X18: > > dpi_c |= > > VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1, > > DPI_FORMAT); > > -- Regards, Laurent Pinchart
