linux-kernel - Re: [Freedreno] [PATCH 05/11] drm/msm/disp/dpu1: Add DSC for SDM845 to hw

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Date:   Mon, 02 Aug 2021 16:29:00 -0700
From:   abhinavk@...eaurora.org
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Rob Clark <robdclark@...il.com>,
        Jonathan Marek <jonathan@...ek.ca>,
        Jeffrey Hugo <jeffrey.l.hugo@...il.com>,
        David Airlie <airlied@...ux.ie>, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        freedreno@...ts.freedesktop.org,
        Sumit Semwal <sumit.semwal@...aro.org>
Subject: Re: [Freedreno] [PATCH 05/11] drm/msm/disp/dpu1: Add DSC for SDM845
 to hw_catalog

On 2021-07-14 23:51, Vinod Koul wrote:
> This add SDM845 DSC blocks into hw_catalog
/add --> adds
> 
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
> Changes since RFC:
>  - use BIT values from MASK
> 
>  .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    | 22 +++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> 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 b569030a0847..b45a08303c99 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -40,6 +40,8 @@
> 
>  #define PINGPONG_SDM845_MASK BIT(DPU_PINGPONG_DITHER)
> 
> +#define DSC_SDM845_MASK BIT(1)
agree with dmitry again : 
https://patchwork.freedesktop.org/patch/444072/?series=90413&rev=2
this is unused. you can use .features = 0
> +
>  #define PINGPONG_SDM845_SPLIT_MASK \
>  	(PINGPONG_SDM845_MASK | BIT(DPU_PINGPONG_TE2))
> 
> @@ -751,6 +753,24 @@ static const struct dpu_pingpong_cfg sc7280_pp[] = 
> {
>  	PP_BLK("pingpong_2", PINGPONG_2, 0x6b000, 0, sc7280_pp_sblk),
>  	PP_BLK("pingpong_3", PINGPONG_3, 0x6c000, 0, sc7280_pp_sblk),
>  };
> +
> +/*************************************************************
> + * DSC sub blocks config
> + *************************************************************/
> +#define DSC_BLK(_name, _id, _base) \
> +	{\
> +	.name = _name, .id = _id, \
> +	.base = _base, .len = 0x140, \
> +	.features = DSC_SDM845_MASK, \
> +	}
> +
> +static struct dpu_dsc_cfg sdm845_dsc[] = {
> +	DSC_BLK("dsc_0", DSC_0, 0x80000),
> +	DSC_BLK("dsc_1", DSC_1, 0x80400),
> +	DSC_BLK("dsc_2", DSC_2, 0x80800),
> +	DSC_BLK("dsc_3", DSC_3, 0x80c00),
> +};
> +
>  /*************************************************************
>   * INTF sub blocks config
>   *************************************************************/
> @@ -1053,6 +1073,8 @@ static void sdm845_cfg_init(struct dpu_mdss_cfg 
> *dpu_cfg)
>  		.mixer = sdm845_lm,
>  		.pingpong_count = ARRAY_SIZE(sdm845_pp),
>  		.pingpong = sdm845_pp,
> +		.dsc_count = ARRAY_SIZE(sdm845_dsc),
> +		.dsc = sdm845_dsc,
>  		.intf_count = ARRAY_SIZE(sdm845_intf),
>  		.intf = sdm845_intf,
>  		.vbif_count = ARRAY_SIZE(sdm845_vbif),