linux-kernel - Re: [PATCH] drm/msm/dpu: Add DSC hardware blocks to register snapshot

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Date:   Wed, 25 Jan 2023 10:14:24 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Marijn Suijten <marijn.suijten@...ainline.org>,
        phone-devel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Stephen Boyd <swboyd@...omium.org>,
        Vinod Polimera <quic_vpolimer@...cinc.com>,
        Liu Shixin <liushixin2@...wei.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm/dpu: Add DSC hardware blocks to register snapshot

On 25/01/2023 10:13, Marijn Suijten wrote:
> Add missing DSC hardware block register ranges to the snapshot utility
> to include them in dmesg (on MSM_DISP_SNAPSHOT_DUMP_IN_CONSOLE) and the
> kms debugfs file.
> 
> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index ad08fb7e7105..44648da310f2 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -930,6 +930,11 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
>   		msm_disp_snapshot_add_block(disp_state, cat->wb[i].len,
>   				dpu_kms->mmio + cat->wb[i].base, "wb_%d", i);
>   
> +	/* dump DSC sub-blocks HW regs info */
> +	for (i = 0; i < cat->dsc_count; i++)
> +		msm_disp_snapshot_add_block(disp_state, cat->dsc[i].len,
> +				dpu_kms->mmio + cat->dsc[i].base, "dsc_%d", i);
> +
>   	msm_disp_snapshot_add_block(disp_state, cat->mdp[0].len,
>   			dpu_kms->mmio + cat->mdp[0].base, "top");
>   

Thanks for the addition, it was missing :-)

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>