linux-kernel - Re: [PATCH v9 3/8] drm/msm/dpu: test DPU_PINGPONG_DSC bit before assign DSC ops to PINGPONG

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Message-ID: <CAA8EJppREQYCnCiA-2vTTmiyEa+ZN8Tj5-Q3Zq=dWEg+T3SLGw@mail.gmail.com>
Date:   Tue, 16 May 2023 00:57:29 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Kuogee Hsieh <quic_khsieh@...cinc.com>
Cc:     dri-devel@...ts.freedesktop.org, robdclark@...il.com,
        sean@...rly.run, swboyd@...omium.org, dianders@...omium.org,
        vkoul@...nel.org, daniel@...ll.ch, airlied@...il.com,
        agross@...nel.org, andersson@...nel.org, quic_abhinavk@...cinc.com,
        quic_jesszhan@...cinc.com, quic_sbillaka@...cinc.com,
        marijn.suijten@...ainline.org, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 3/8] drm/msm/dpu: test DPU_PINGPONG_DSC bit before
 assign DSC ops to PINGPONG

On Tue, 16 May 2023 at 00:25, Kuogee Hsieh <quic_khsieh@...cinc.com> wrote:
>
> DPU < 7.0.0 has DPU_PINGPONG_DSC feature bit set to indicate it requires
> both dpu_hw_pp_setup_dsc() and dpu_hw_pp_dsc_{enable,disable}() to be
> executed to complete DSC configuration if DSC hardware block is present.
> Hence test DPU_PINGPONG_DSC feature bit and assign DSC related functions
> to the ops of PINGPONG block accordingly if DPU_PINGPONG_DSC bit is set.
>
> changes in v6:
> -- split patches, this patch has function handles DPU_PINGPONG_DSC bit
>
> changes in v9:
> -- remove un condition assign dsc related functions to pingpong ops

Huh? This is beyond my parsing skills.

>
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)


-- 
With best wishes
Dmitry