Re: [PATCH] drm/msm/dpu: add rotation property

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On Thu, Aug 22, 2019 at 5:26 AM Ville Syrjälä
<ville.syrjala@xxxxxxxxxxxxxxx> wrote:
>
> On Wed, Aug 21, 2019 at 06:57:24PM -0700, Rob Clark wrote:
> > From: Rob Clark <robdclark@xxxxxxxxxxxx>
> >
> > Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 20 ++++++++++++++++++++
> >  1 file changed, 20 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> > index 45bfac9e3af7..c5653771e8fa 100644
> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> > @@ -1040,8 +1040,21 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
> >                               pstate->multirect_mode);
> >
> >       if (pdpu->pipe_hw->ops.setup_format) {
> > +             unsigned int rotation;
> > +
> >               src_flags = 0x0;
> >
> > +             rotation = drm_rotation_simplify(state->rotation,
> > +                                              DRM_MODE_ROTATE_0 |
> > +                                              DRM_MODE_REFLECT_X |
> > +                                              DRM_MODE_REFLECT_Y);
> > +
> > +             if (rotation & DRM_MODE_REFLECT_X)
> > +                     src_flags |= DPU_SSPP_FLIP_UD;
> > +
> > +             if (rotation & DRM_MODE_REFLECT_Y)
> > +                     src_flags |= DPU_SSPP_FLIP_LR;
> > +
>
> UD vs. LR (assuming those mean what I think they mean) seem the wrong
> way around here.

ahh, right, reflect "along" vs "around"..

BR,
-R

>
> >
> >               /* update format */
> >               pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags,
> >                               pstate->multirect_index);
> > @@ -1522,6 +1535,13 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
> >       if (ret)
> >               DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
> >
> > +     drm_plane_create_rotation_property(plane,
> > +                     DRM_MODE_ROTATE_0,
> > +                     DRM_MODE_ROTATE_0 |
> > +                     DRM_MODE_ROTATE_180 |
> > +                     DRM_MODE_REFLECT_X |
> > +                     DRM_MODE_REFLECT_Y);
> > +
> >       drm_plane_enable_fb_damage_clips(plane);
> >
> >       /* success! finalize initialization */
> > --
> > 2.21.0
> >
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
> --
> Ville Syrjälä
> Intel
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