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

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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.

>
>  		/* 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
> 
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-- 
Ville Syrjälä
Intel
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