linux-kernel - Re: [PATCH] drm/msm/a690: Switch to a660

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Date:   Fri, 11 Aug 2023 18:11:34 +0200
From:   Konrad Dybcio <konrad.dybcio@...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>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm/a690: Switch to a660_gmu.bin

On 11.08.2023 18:09, Rob Clark wrote:
> On Fri, Aug 11, 2023 at 9:05 AM Rob Clark <robdclark@...il.com> wrote:
>>
>> From: Rob Clark <robdclark@...omium.org>
>>
>> There isn't actually a a690_gmu.bin.  But it appears that the normal
>> a660_gmu.bin works fine.  Normally all the devices within a sub-
>> generation (or "family") will use the same fw, and a690 is in the a660
>> family.
>>
> 
> possibly this could be considered as:
> 
> Fixes: 5e7665b5e484 ("drm/msm/adreno: Add Adreno A690 support")
For a lack of a better response, "meh"

Other than that:

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Perhaps we could take this further and do something like

if (failed to load gmu fw)
	try loading "gmu.bin"


Konrad
> 
>> Signed-off-by: Rob Clark <robdclark@...omium.org>
>> ---
>>  drivers/gpu/drm/msm/adreno/adreno_device.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
>> index 1ed270dae148..756a9cfe1cbf 100644
>> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
>> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
>> @@ -478,7 +478,7 @@ static const struct adreno_info gpulist[] = {
>>                 .family = ADRENO_6XX_GEN4,
>>                 .fw = {
>>                         [ADRENO_FW_SQE] = "a660_sqe.fw",
>> -                       [ADRENO_FW_GMU] = "a690_gmu.bin",
>> +                       [ADRENO_FW_GMU] = "a660_gmu.bin",
>>                 },
>>                 .gmem = SZ_4M,
>>                 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
>> --
>> 2.41.0
>>