Re: [1/2] drm/msm/dpu: fix clocks settings for msm8998 SSPP blocks

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On 2023-01-15 14:41:42, Dmitry Baryshkov wrote:
> DMA2 and DMA3 planes on msm8998 should use corresponding DMA2 and DMA3
> clocks rather than CURSOR0/1 clocks (which are used for the CURSOR
> planes). Correct corresponding SSPP declarations.
> 
> Fixes: 94391a14fc27 ("drm/msm/dpu1: Add MSM8998 to hw catalog")
> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
> Cc: Jami Kettunen <jami.kettunen@xxxxxxxxxxxxxx>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> index 0f3da480b066..ad0c55464154 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -1180,9 +1180,9 @@ static const struct dpu_sspp_cfg msm8998_sspp[] = {
>  	SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000,  DMA_MSM8998_MASK,
>  		sdm845_dma_sblk_1, 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA1),
>  	SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000,  DMA_CURSOR_MSM8998_MASK,

Drop the _CURSOR mask here?  And the double space....

> -		sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> +		sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA2),
>  	SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000,  DMA_CURSOR_MSM8998_MASK,
> -		sdm845_dma_sblk_3, 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> +		sdm845_dma_sblk_3, 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA3),

Yes, msm8998_mdp defines both DMA2/3 and CURSOR0/1 clocks.  R-b after
using DMA_MSM8998_MASK without the DPU_SSPP_CURSOR bit.

However, my downstream sources still define cursor SSPPs that are
missing here (after all, there's clk-ctrl for these already), at xin ID
2 and 10 with addresses 0x3500 and 0x37000 downstream (-0x1000 here):

	SSPP_BLK("sspp_?", SSPP_CURSOR0, 0x34000, DMA_CURSOR_SM8998_MASK,
		cursor sblk?, 2, SSPP_TYPE_CURSOR, DPU_CLK_CTRL_CURSOR0),
	SSPP_BLK("sspp_?", SSPP_CURSOR1, 0x36000, DMA_CURSOR_SM8998_MASK,
		cursor sblk?, 10, SSPP_TYPE_CURSOR, DPU_CLK_CTRL_CURSOR1),

Or should you/I send that as a separate folloup patch?

- Marijn

>  };
>  
>  static const struct dpu_sspp_cfg sdm845_sspp[] = {



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