Hi, On Tue, Oct 25, 2016 at 08:42:26AM +0800, Chen-Yu Tsai wrote: > On Mon, Oct 24, 2016 at 10:40 PM, Maxime Ripard > <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote: > > Hi, > > > > On Fri, Oct 21, 2016 at 11:15:32AM +0800, Chen-Yu Tsai wrote: > >> On Tue, Oct 18, 2016 at 4:46 PM, Maxime Ripard > >> <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote: > >> > The planes can do more than what was previously exposed. Add support for > >> > them. > >> > > >> > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > >> > --- > >> > drivers/gpu/drm/sun4i/sun4i_backend.c | 20 ++++++++++++++++++++ > >> > drivers/gpu/drm/sun4i/sun4i_layer.c | 6 ++++++ > >> > 2 files changed, 26 insertions(+) > >> > > >> > diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c > >> > index afb7ddf660ef..b184a476a480 100644 > >> > --- a/drivers/gpu/drm/sun4i/sun4i_backend.c > >> > +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c > >> > @@ -96,6 +96,22 @@ static int sun4i_backend_drm_format_to_layer(struct drm_plane *plane, > >> > *mode = SUN4I_BACKEND_LAY_FBFMT_ARGB8888; > >> > break; > >> > > >> > + case DRM_FORMAT_ARGB4444: > >> > + *mode = SUN4I_BACKEND_LAY_FBFMT_ARGB4444; > >> > + break; > >> > + > >> > + case DRM_FORMAT_ARGB1555: > >> > + *mode = SUN4I_BACKEND_LAY_FBFMT_ARGB1555; > >> > + break; > >> > + > >> > + case DRM_FORMAT_RGBA5551: > >> > + *mode = SUN4I_BACKEND_LAY_FBFMT_RGBA5551; > >> > + break; > >> > + > >> > + case DRM_FORMAT_RGBA4444: > >> > + *mode = SUN4I_BACKEND_LAY_FBFMT_RGBA4444; > >> > >> The A20 manual only lists ARGB4444, not RGBA4444. There might be > >> some discrepancy here. We can deal with them > > > > Hmm, yes, that's weird. But I guess this would be part of porting it > > to the A20. > > > >> Also there are some more formats missing from the list, could you > >> add them as well? > > > > Which one do you refer to? > > RGB556 and RGB655. These formats are not supported by Linux yet though. Thanks, Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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