[PATCH] drm/mediatek: Set the default value of rotation to DRM_MODE_ROTATE_0

[Mark Yacoub]

On Wed, Dec 8, 2021 at 7:16 PM Chun-Kuang Hu <chunkuang.hu at kernel.org> wrote:
>
> Hi Mark:
>
> Mark Yacoub <markyacoub at chromium.org> 於 2021年10月28日 週四 上午12:28寫道：
> >
> > From: Mark Yacoub <markyacoub at google.com>
> >
> > At the reset hook, call __drm_atomic_helper_plane_reset which is
> > called at the initialization of the plane and sets the default value of
> > rotation on all planes to DRM_MODE_ROTATE_0 which is equal to 1.
>
> This patch looks good to me, but please fix this checkpatch warning:
Uploaded a new revision. Thanks!
>
> WARNING: From:/Signed-off-by: email address mismatch: 'From: Mark
> Yacoub <markyacoub at google.com>' != 'Signed-off-by: Mark Yacoub
> <markyacoub at chromium.org>'
>
> total: 0 errors, 1 warnings, 11 lines checked
>
> Regards,
> Chun-Kuang.
>
> >
> > Tested on Jacuzzi (MTK).
> > Resolves IGT at kms_properties@plane-properties-{legacy,atomic}
> >
> > Signed-off-by: Mark Yacoub <markyacoub at chromium.org>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_drm_plane.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> > index e6dcb34d30522..accd26481b9fb 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> > @@ -44,9 +44,10 @@ static void mtk_plane_reset(struct drm_plane *plane)
> >                 state = kzalloc(sizeof(*state), GFP_KERNEL);
> >                 if (!state)
> >                         return;
> > -               plane->state = &state->base;
> >         }
> >
> > +       __drm_atomic_helper_plane_reset(plane, &state->base);
> > +
> >         state->base.plane = plane;
> >         state->pending.format = DRM_FORMAT_RGB565;
> >  }
> > --
> > 2.33.0.1079.g6e70778dc9-goog
> >