[PATCH 15/17] drm/msm/dpu: allow certain formats for CDM for DP

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Thu Jan 25 21:58:53 UTC 2024


On 25/01/2024 21:38, Paloma Arellano wrote:
> CDM block supports formats other than H1V2 for DP. Since we are now
> adding support for CDM over DP, relax the checks to allow all other
> formats for DP other than H1V2.
> 
> Signed-off-by: Paloma Arellano <quic_parellan at quicinc.com>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c
> index e9cdc7934a499..9016b3ade6bc3 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c
> @@ -186,7 +186,7 @@ static int dpu_hw_cdm_enable(struct dpu_hw_cdm *ctx, struct dpu_hw_cdm_cfg *cdm)
>   	dpu_hw_cdm_setup_cdwn(ctx, cdm);
>   
>   	if (cdm->output_type == CDM_CDWN_OUTPUT_HDMI) {
> -		if (fmt->chroma_sample != DPU_CHROMA_H1V2)
> +		if (fmt->chroma_sample == DPU_CHROMA_H1V2)
>   			return -EINVAL; /*unsupported format */

This means that the original check was incorrect. Please add 
corresponding Fixes tag and move to the top of the patchset.

>   		opmode = CDM_HDMI_PACK_OP_MODE_EN;
>   		opmode |= (fmt->chroma_sample << 1);

-- 
With best wishes
Dmitry



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