linux-kernel - Re: [PATCH v2] drm/msm/adreno: Assign revn to A635

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Date:   Sat, 1 Jul 2023 03:44:41 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     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>,
        Stephen Boyd <swboyd@...omium.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Rob Clark <robdclark@...omium.org>
Subject: Re: [PATCH v2] drm/msm/adreno: Assign revn to A635

On Sat, 1 Jul 2023 at 02:12, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> Recently, a WARN_ON() was introduced to ensure that revn is filled before
> adreno_is_aXYZ is called. This however doesn't work very well when revn is
> 0 by design (such as for A635). Fill it in as a stopgap solution for
> -fixes.
>
> Fixes: cc943f43ece7 ("drm/msm/adreno: warn if chip revn is verified before being set")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>

As the v1:

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

> ---
> Changes in v2:
> - add fixes
> - Link to v1: https://lore.kernel.org/r/20230628-topic-a635-v1-1-5056e09c08fb@linaro.org
> ---
>  drivers/gpu/drm/msm/adreno/adreno_device.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> index cb94cfd137a8..8ea7eae9fc52 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> @@ -345,6 +345,7 @@ static const struct adreno_info gpulist[] = {
>                 .address_space_size = SZ_16G,
>         }, {
>                 .rev = ADRENO_REV(6, 3, 5, ANY_ID),
> +               .revn = 635,
>                 .fw = {
>                         [ADRENO_FW_SQE] = "a660_sqe.fw",
>                         [ADRENO_FW_GMU] = "a660_gmu.bin",
>
> ---
> base-commit: 5c875096d59010cee4e00da1f9c7bdb07a025dc2
> change-id: 20230628-topic-a635-1b3c2c987417
>
> Best regards,
> --
> Konrad Dybcio <konrad.dybcio@...aro.org>
>


-- 
With best wishes
Dmitry