Re: [PATCH] drm/msm/dpu: don't always program merge_3d block

[Dmitry Baryshkov]

On Thu, 10 Oct 2024 at 06:46, Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> wrote:
>
> Only program the merge_3d block for the video phys encoder when the 3d
> blend mode is not NONE

Please describe why, not what.

>
> Fixes: 3e79527a33a8 ("drm/msm/dpu: enable merge_3d support on sm8150/sm8250")
> Suggested-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
> Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
> index ba8878d21cf0e1945a393cca806cb64f03b16640..c5e27eeaff0423a69fad98122ffef7e041fbc68e 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
> @@ -302,7 +302,7 @@ static void dpu_encoder_phys_vid_setup_timing_engine(
>         intf_cfg.stream_sel = 0; /* Don't care value for video mode */
>         intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc);
>         intf_cfg.dsc = dpu_encoder_helper_get_dsc(phys_enc);
> -       if (phys_enc->hw_pp->merge_3d)
> +       if (intf_cfg.mode_3d && phys_enc->hw_pp->merge_3d)
>                 intf_cfg.merge_3d = phys_enc->hw_pp->merge_3d->idx;
>
>         spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
>
> ---
> base-commit: a20a91fb1bfac5d05ec5bcf9afe0c9363f6c8c93
> change-id: 20240828-merge3d-fix-1a8d005e3277
>
> Best regards,
> --
> Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
>


-- 
With best wishes
Dmitry