From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
To: Simon Ser <contact@emersion.fr>
Cc: Alex Deucher <alexander.deucher@amd.com>,
Harry Wentland <hwentlan@amd.com>,
Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>,
amd-gfx mailing list <amd-gfx@lists.freedesktop.org>
Subject: Re: amd/display: allow non-linear multi-planar formats
Date: Mon, 12 Apr 2021 00:20:41 +0200 [thread overview]
Message-ID: <CAP+8YyHeiB5OyTgQkTAuFv1MhP7ZpeLqmZe9oHBj5f0ez6Pa3Q@mail.gmail.com> (raw)
In-Reply-To: <YsPGje8t2-fY1GTI6waUph1jQzm5WtagjUUi0lFy3Q7_I20gG8Ln1bIBqi00nj5RMzdkFhrftPbUrpqwrV2bSvEJbDD8IG9dPHAaZNTLQM8=@emersion.fr>
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Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
On Fri, Apr 9, 2021 at 3:19 PM Simon Ser <contact@emersion.fr> wrote:
> Hi,
>
> Can you have a look at this patch?
>
> Thanks,
>
> Simon
>
> On Friday, March 26th, 2021 at 5:59 PM, Simon Ser <contact@emersion.fr>
> wrote:
>
> > Accept non-linear buffers which use a multi-planar format, as long
> > as they don't use DCC.
> >
> > Tested on GFX9 with NV12.
> >
> > Signed-off-by: Simon Ser <contact@emersion.fr>
> > Cc: Alex Deucher <alexander.deucher@amd.com>
> > Cc: Harry Wentland <hwentlan@amd.com>
> > Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
> > Cc: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
> > ---
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 11 ++++-------
> > 1 file changed, 4 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > index 36ee52104007..66e3ecf123d1 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > @@ -4216,13 +4216,6 @@ static bool dm_plane_format_mod_supported(struct
> drm_plane *plane,
> > if (modifier == DRM_FORMAT_MOD_LINEAR)
> > return true;
> >
> > - /*
> > - * The arbitrary tiling support for multiplane formats has not
> been hooked
> > - * up.
> > - */
> > - if (info->num_planes > 1)
> > - return false;
> > -
> > /*
> > * For D swizzle the canonical modifier depends on the bpp, so
> check
> > * it here.
> > @@ -4241,6 +4234,10 @@ static bool dm_plane_format_mod_supported(struct
> drm_plane *plane,
> > /* Per radeonsi comments 16/64 bpp are more complicated. */
> > if (info->cpp[0] != 4)
> > return false;
> > + /* We support multi-planar formats, but not when combined
> with
> > + * additional DCC metadata planes. */
> > + if (info->num_planes > 1)
> > + return false;
> > }
> >
> > return true;
>
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next prev parent reply other threads:[~2021-04-11 22:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-26 16:59 [PATCH] amd/display: allow non-linear multi-planar formats Simon Ser
2021-04-09 13:19 ` Simon Ser
2021-04-11 22:20 ` Bas Nieuwenhuizen [this message]
2021-04-15 15:37 ` Alex Deucher
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