[Freedreno] [PATCH v2 3/4] drm/msm/dpu: simplify DPU_SSPP features checks

[Abhinav Kumar]

On 12/1/2021 2:51 PM, Dmitry Baryshkov wrote:
> Add DPU_SSPP_CSC_ANY denoting any CSC block. As we are at it, rewrite
> DPU_SSPP_SCALER (any scaler) to use BIT(x) instead of hand-coded
> bitshifts.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h | 16 +++++++++++-----
>   drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c   |  3 +--
>   2 files changed, 12 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> index ad2002d75739..3c53bd03bdeb 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> @@ -25,11 +25,17 @@ struct dpu_hw_pipe;
>   /**
>    * Define all scaler feature bits in catalog
>    */
> -#define DPU_SSPP_SCALER ((1UL << DPU_SSPP_SCALER_RGB) | \
> -	(1UL << DPU_SSPP_SCALER_QSEED2) | \
> -	 (1UL << DPU_SSPP_SCALER_QSEED3) | \
> -	 (1UL << DPU_SSPP_SCALER_QSEED3LITE) | \
> -	  (1UL << DPU_SSPP_SCALER_QSEED4))
> +#define DPU_SSPP_SCALER (BIT(DPU_SSPP_SCALER_RGB) | \
> +			 BIT(DPU_SSPP_SCALER_QSEED2) | \
> +			 BIT(DPU_SSPP_SCALER_QSEED3) | \
> +			 BIT(DPU_SSPP_SCALER_QSEED3LITE) | \
> +			 BIT(DPU_SSPP_SCALER_QSEED4))
> +
> +/*
> + * Define all CSC feature bits in catalog
> + */
> +#define DPU_SSPP_CSC_ANY (BIT(DPU_SSPP_CSC) | \
> +			  BIT(DPU_SSPP_CSC_10BIT))
>   
>   /**
>    * Component indices
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index c7b065b14c5c..911f5f0b41d8 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -1010,8 +1010,7 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
>   
>   	if (DPU_FORMAT_IS_YUV(fmt) &&
>   		(!(pdpu->pipe_hw->cap->features & DPU_SSPP_SCALER) ||
> -		 !(pdpu->pipe_hw->cap->features & (BIT(DPU_SSPP_CSC)
> -		 | BIT(DPU_SSPP_CSC_10BIT))))) {
> +		 !(pdpu->pipe_hw->cap->features & DPU_SSPP_CSC_ANY))) {
>   		DPU_DEBUG_PLANE(pdpu,
>   				"plane doesn't have scaler/csc for yuv\n");
>   		return -EINVAL;
>