linux-kernel - Re: [PATCH] drm/msm/dpu: Remove some nonsense

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Message-ID: <dbefd596-4382-3822-fdec-486cf3df1560@linaro.org>
Date:   Tue, 28 Sep 2021 19:39:14 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org
Cc:     freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Rob Clark <robdclark@...omium.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Abhinav Kumar <abhinavk@...eaurora.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Krishna Manikandan <mkrishn@...eaurora.org>,
        Lee Jones <lee.jones@...aro.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm/dpu: Remove some nonsense

On 28/09/2021 19:28, Rob Clark wrote:
> From: Rob Clark <robdclark@...omium.org>
> 
> These aren't used.  And if we add use for them later, we should probably
> do something a bit more structured than string parsing.
> 
> Signed-off-by: Rob Clark <robdclark@...omium.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 6 ------
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 8 --------
>   2 files changed, 14 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 b131fd376192..e32dbb06aad1 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -958,12 +958,6 @@ static const struct dpu_perf_cfg sdm845_perf_data = {
>   	.min_core_ib = 2400000,
>   	.min_llcc_ib = 800000,
>   	.min_dram_ib = 800000,
> -	.core_ib_ff = "6.0",
> -	.core_clk_ff = "1.0",
> -	.comp_ratio_rt =
> -	"NV12/5/1/1.23 AB24/5/1/1.23 XB24/5/1/1.23",
> -	.comp_ratio_nrt =
> -	"NV12/5/1/1.25 AB24/5/1/1.25 XB24/5/1/1.25",
>   	.undersized_prefill_lines = 2,
>   	.xtra_prefill_lines = 2,
>   	.dest_scale_prefill_lines = 3,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> index d2a945a27cfa..4ade44bbd37e 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> @@ -676,10 +676,6 @@ struct dpu_perf_cdp_cfg {
>    * @min_core_ib        minimum mnoc ib vote in kbps
>    * @min_llcc_ib        minimum llcc ib vote in kbps
>    * @min_dram_ib        minimum dram ib vote in kbps
> - * @core_ib_ff         core instantaneous bandwidth fudge factor
> - * @core_clk_ff        core clock fudge factor
> - * @comp_ratio_rt      string of 0 or more of <fourcc>/<ven>/<mod>/<comp ratio>
> - * @comp_ratio_nrt     string of 0 or more of <fourcc>/<ven>/<mod>/<comp ratio>
>    * @undersized_prefill_lines   undersized prefill in lines
>    * @xtra_prefill_lines         extra prefill latency in lines
>    * @dest_scale_prefill_lines   destination scaler latency in lines
> @@ -702,10 +698,6 @@ struct dpu_perf_cfg {
>   	u32 min_core_ib;
>   	u32 min_llcc_ib;
>   	u32 min_dram_ib;
> -	const char *core_ib_ff;
> -	const char *core_clk_ff;
> -	const char *comp_ratio_rt;
> -	const char *comp_ratio_nrt;
>   	u32 undersized_prefill_lines;
>   	u32 xtra_prefill_lines;
>   	u32 dest_scale_prefill_lines;
> 


-- 
With best wishes
Dmitry