linux-kernel - Re: [PATCH 5/6] drm/msm/adreno: Add speedbin data for SM8550 / A740

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Date: Tue, 9 Apr 2024 20:13:14 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>, Rob Clark <robdclark@...il.com>,
 Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>,
 Marijn Suijten <marijn.suijten@...ainline.org>,
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
 Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH 5/6] drm/msm/adreno: Add speedbin data for SM8550 / A740



On 4/9/24 17:24, Dmitry Baryshkov wrote:
> On Tue, Apr 09, 2024 at 05:13:15PM +0200, Konrad Dybcio wrote:
>>
>>
>> On 4/6/24 05:25, Dmitry Baryshkov wrote:
>>> On Fri, Apr 05, 2024 at 10:41:33AM +0200, Konrad Dybcio wrote:
>>>> Add speebin data for A740, as found on SM8550 and derivative SoCs.
>>>>
>>>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>>>> ---
>>>>    drivers/gpu/drm/msm/adreno/adreno_device.c | 14 ++++++++++++++
>>>>    1 file changed, 14 insertions(+)
>>>>
>>>> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
>>>> index 901ef767e491..c976a485aef2 100644
>>>> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
>>>> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
>>>> @@ -570,6 +570,20 @@ static const struct adreno_info gpulist[] = {
>>>>    		.zapfw = "a740_zap.mdt",
>>>>    		.hwcg = a740_hwcg,
>>>>    		.address_space_size = SZ_16G,
>>>> +		.speedbins = ADRENO_SPEEDBINS(
>>>
>>> I think this deserves either a comment or some info in the commit
>>> message.
>>
>> "this" = ?
> 
> I see two types of speedbins here, it would be nice to understand at
> least some reason or some defailts for that (if you know them).

"one is slightly faster"

sorry, qcom downstream has been getting increasingly cryptic lately..

Konrad