linux-kernel - Re: [PATCH 2/2] drm/msm/disp/dpu1: add support for display on SM6115

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Message-ID: <ab9c9915-3e56-c72f-8102-eb9a0d36c4be@linaro.org>
Date:   Wed, 23 Nov 2022 23:05:41 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Adam Skladowski <a39.skl@...il.com>
Cc:     phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kalyan Thota <quic_kalyant@...cinc.com>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Adam Skladowski <a_skl39@...tonmail.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Jason Wang <wangborong@...rlc.com>,
        Vinod Polimera <quic_vpolimer@...cinc.com>,
        Vinod Koul <vkoul@...nel.org>,
        Douglas Anderson <dianders@...omium.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm/msm/disp/dpu1: add support for display on SM6115

On 23/11/2022 01:54, Dmitry Baryshkov wrote:
> On 20/11/2022 15:37, Adam Skladowski wrote:
>> Add required display hw catalog changes for SM6115.
>>
>> Signed-off-by: Adam Skladowski <a39.skl@...il.com>
>> ---
>>   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    | 87 +++++++++++++++++++
>>   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h    |  1 +
>>   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |  1 +
>>   drivers/gpu/drm/msm/msm_mdss.c                |  5 ++
>>   4 files changed, 94 insertions(+)
>>
> 
> [skipped]
> 
>> diff --git a/drivers/gpu/drm/msm/msm_mdss.c 
>> b/drivers/gpu/drm/msm/msm_mdss.c
>> index 6a4549ef34d4..86b28add1fff 100644
>> --- a/drivers/gpu/drm/msm/msm_mdss.c
>> +++ b/drivers/gpu/drm/msm/msm_mdss.c
>> @@ -280,6 +280,10 @@ static int msm_mdss_enable(struct msm_mdss 
>> *msm_mdss)
>>           /* UBWC_2_0 */
>>           msm_mdss_setup_ubwc_dec_20(msm_mdss, 0x1e);
>>           break;
>> +    case DPU_HW_VER_630:
>> +        /* UBWC_2_0 */
>> +        msm_mdss_setup_ubwc_dec_20(msm_mdss, 0x11f);
>> +        break;
> 
> According to the vendor dtsi the sm6115 is UBWC 1.0, not 2.0
> 
> Could you please doublecheck?
> 
> Looks good to me otherwise.

After doublechecking:

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

> 
>>       case DPU_HW_VER_720:
>>           msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_3_0, 6, 1, 1, 1);
>>           break;
>> @@ -509,6 +513,7 @@ static const struct of_device_id mdss_dt_match[] = {
>>       { .compatible = "qcom,sc7180-mdss" },
>>       { .compatible = "qcom,sc7280-mdss" },
>>       { .compatible = "qcom,sc8180x-mdss" },
>> +    { .compatible = "qcom,sm6115-mdss" },
>>       { .compatible = "qcom,sm8150-mdss" },
>>       { .compatible = "qcom,sm8250-mdss" },
>>       {}
> 

-- 
With best wishes
Dmitry