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Message-ID: <CADnq5_N_SQHbx5zZGyWFJo8FcGbR+mT3aJr1C-uPRJ5Z9m27Vw@mail.gmail.com>
Date: Wed, 12 Feb 2025 09:54:27 -0500
From: Alex Deucher <alexdeucher@...il.com>
To: Harry Wentland <harry.wentland@....com>
Cc: André Almeida <andrealmeid@...lia.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Leo Li <sunpeng.li@....com>, Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
Alex Deucher <alexander.deucher@....com>, Christian König <christian.koenig@....com>,
Xinhui Pan <Xinhui.Pan@....com>, dmitry.baryshkov@...aro.org,
Simon Ser <contact@...rsion.fr>, joshua@...ggi.es, Xaver Hugl <xaver.hugl@...il.com>,
Daniel Stone <daniel@...ishbar.org>, ville.syrjala@...ux.intel.com, kernel-dev@...lia.com,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
amd-gfx@...ts.freedesktop.org
Subject: Re: [PATCH v12 2/2] drm/amdgpu: Enable async flip on overlay planes
Acked-by: Alex Deucher <alexander.deucher@....com> for the series.
On Thu, Feb 6, 2025 at 5:37 PM Harry Wentland <harry.wentland@....com> wrote:
>
>
>
> On 2025-01-27 14:59, André Almeida wrote:
> > amdgpu can handle async flips on overlay planes, so allow it for atomic
> > async checks.
> >
> > Signed-off-by: André Almeida <andrealmeid@...lia.com>
>
> Reviewed-by: Harry Wentland <harry.wentland@....com>
>
> Harry
>
> > ---
> > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c | 10 ++++++----
> > 1 file changed, 6 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
> > index 774cc3f4f3fd9a964fe48c66eb596d2f6dfee602..6bfed3d1530e6610eea025b477f409ee505870da 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
> > @@ -1258,21 +1258,23 @@ static int amdgpu_dm_plane_atomic_check(struct drm_plane *plane,
> > }
> >
> > static int amdgpu_dm_plane_atomic_async_check(struct drm_plane *plane,
> > - struct drm_atomic_state *state)
> > + struct drm_atomic_state *state, bool flip)
> > {
> > struct drm_crtc_state *new_crtc_state;
> > struct drm_plane_state *new_plane_state;
> > struct dm_crtc_state *dm_new_crtc_state;
> >
> > - /* Only support async updates on cursor planes. */
> > - if (plane->type != DRM_PLANE_TYPE_CURSOR)
> > + if (flip) {
> > + if (plane->type != DRM_PLANE_TYPE_OVERLAY)
> > + return -EINVAL;
> > + } else if (plane->type != DRM_PLANE_TYPE_CURSOR)
> > return -EINVAL;
> >
> > new_plane_state = drm_atomic_get_new_plane_state(state, plane);
> > new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc);
> > dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
> > /* Reject overlay cursors for now*/
> > - if (dm_new_crtc_state->cursor_mode == DM_CURSOR_OVERLAY_MODE)
> > + if (!flip && dm_new_crtc_state->cursor_mode == DM_CURSOR_OVERLAY_MODE)
> > return -EINVAL;
> >
> > return 0;
> >
>
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