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Re: [PATCH] drm/sun4i: Add a few formats

Started byMaxime Ripard <maxime.ripard@free-electrons.com>
First post2016-10-27 16:40 +0200
Last post2016-11-02 20:00 +0100
Articles 3 — 2 participants

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  Re: [PATCH] drm/sun4i: Add a few formats Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-10-27 16:40 +0200
    Re: [PATCH] drm/sun4i: Add a few formats Chen-Yu Tsai <wens@csie.org> - 2016-10-29 12:30 +0200
      Re: [PATCH] drm/sun4i: Add a few formats Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-11-02 20:00 +0100

#1510285 — Re: [PATCH] drm/sun4i: Add a few formats

FromMaxime Ripard <maxime.ripard@free-electrons.com>
Date2016-10-27 16:40 +0200
SubjectRe: [PATCH] drm/sun4i: Add a few formats
Message-ID<swU0y-38X-29@gated-at.bofh.it>

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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@free-electrons.com> 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@free-electrons.com> wrote:
> >> > The planes can do more than what was previously exposed. Add support for
> >> > them.
> >> >
> >> > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> >> > ---
> >> >  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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#1511616

FromChen-Yu Tsai <wens@csie.org>
Date2016-10-29 12:30 +0200
Message-ID<sxz3H-4Uf-3@gated-at.bofh.it>
In reply to#1510285
On Thu, Oct 27, 2016 at 10:35 PM, Maxime Ripard
<maxime.ripard@free-electrons.com> wrote:
> 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@free-electrons.com> 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@free-electrons.com> wrote:
>> >> > The planes can do more than what was previously exposed. Add support for
>> >> > them.
>> >> >
>> >> > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
>> >> > ---
>> >> >  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.

I see. Sorry for the noise.

Acked-by: Chen-Yu Tsai <wens@csie.org>

>
> Thanks,
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com

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#1514081

FromMaxime Ripard <maxime.ripard@free-electrons.com>
Date2016-11-02 20:00 +0100
Message-ID<sz8Vr-1yo-3@gated-at.bofh.it>
In reply to#1511616

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On Sat, Oct 29, 2016 at 06:25:46PM +0800, Chen-Yu Tsai wrote:
> On Thu, Oct 27, 2016 at 10:35 PM, Maxime Ripard
> <maxime.ripard@free-electrons.com> wrote:
> > 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@free-electrons.com> 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@free-electrons.com> wrote:
> >> >> > The planes can do more than what was previously exposed. Add support for
> >> >> > them.
> >> >> >
> >> >> > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> >> >> > ---
> >> >> >  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.
> 
> I see. Sorry for the noise.
> 
> Acked-by: Chen-Yu Tsai <wens@csie.org>

Applied with a more verbose commit log.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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