[PATCH v2 01/22] drm/msm/dpu: fix sc7280 and sc7180 PINGPONG done interrupts

[Marijn Suijten]

On 2023-06-13 03:09:40, Dmitry Baryshkov wrote:
> During IRQ conversion we have lost the PP_DONE interrupts for sc7280
> platform. This was left unnoticed, because this interrupt is only used
> for CMD outputs and probably no sc7[12]80 systems use DSI CMD panels.
> 
> Fixes: 667e9985ee24 ("drm/msm/dpu: replace IRQ lookup with the data in hw catalog")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

Agreed.  I never really understood why these were missing, as if there
was no cmd-mode support.  The code prior to the Fixes: commit was indeed
returning interrupts without looking at hardware support at all.

Reviewed-by: Marijn Suijten <marijn.suijten at somainline.org>

> ---
>  .../drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h   |  8 ++++++--
>  .../drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h   | 16 ++++++++++++----
>  2 files changed, 18 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h
> index 0b05da2592c0..67566b07195a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h
> @@ -80,8 +80,12 @@ static const struct dpu_dspp_cfg sc7180_dspp[] = {
>  };
>  
>  static const struct dpu_pingpong_cfg sc7180_pp[] = {
> -	PP_BLK("pingpong_0", PINGPONG_0, 0x70000, PINGPONG_SM8150_MASK, 0, sdm845_pp_sblk, -1, -1),
> -	PP_BLK("pingpong_1", PINGPONG_1, 0x70800, PINGPONG_SM8150_MASK, 0, sdm845_pp_sblk, -1, -1),
> +	PP_BLK("pingpong_0", PINGPONG_0, 0x70000, PINGPONG_SM8150_MASK, 0, sdm845_pp_sblk,
> +			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
> +			-1),
> +	PP_BLK("pingpong_1", PINGPONG_1, 0x70800, PINGPONG_SM8150_MASK, 0, sdm845_pp_sblk,
> +			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
> +			-1),
>  };
>  
>  static const struct dpu_intf_cfg sc7180_intf[] = {
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> index 9c5a3fe9cfde..6ea1cb551348 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
> @@ -88,10 +88,18 @@ static const struct dpu_dspp_cfg sc7280_dspp[] = {
>  };
>  
>  static const struct dpu_pingpong_cfg sc7280_pp[] = {
> -	PP_BLK_DITHER("pingpong_0", PINGPONG_0, 0x69000, 0, sc7280_pp_sblk, -1, -1),
> -	PP_BLK_DITHER("pingpong_1", PINGPONG_1, 0x6a000, 0, sc7280_pp_sblk, -1, -1),
> -	PP_BLK_DITHER("pingpong_2", PINGPONG_2, 0x6b000, 0, sc7280_pp_sblk, -1, -1),
> -	PP_BLK_DITHER("pingpong_3", PINGPONG_3, 0x6c000, 0, sc7280_pp_sblk, -1, -1),
> +	PP_BLK_DITHER("pingpong_0", PINGPONG_0, 0x69000, 0, sc7280_pp_sblk,
> +			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
> +			-1),
> +	PP_BLK_DITHER("pingpong_1", PINGPONG_1, 0x6a000, 0, sc7280_pp_sblk,
> +			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
> +			-1),
> +	PP_BLK_DITHER("pingpong_2", PINGPONG_2, 0x6b000, 0, sc7280_pp_sblk,
> +			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 10),
> +			-1),
> +	PP_BLK_DITHER("pingpong_3", PINGPONG_3, 0x6c000, 0, sc7280_pp_sblk,
> +			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 11),
> +			-1),
>  };
>  
>  static const struct dpu_wb_cfg sc7280_wb[] = {
> -- 
> 2.39.2
>