linux-kernel - Re: [PATCH 18/18] media: venus: hfi_venus: Restrict writing SCIACMDARG3 to Venus V1/V2

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Message-ID: <3c54f2f6-225c-600e-8679-097fbc78f4df@linaro.org>
Date:   Tue, 28 Feb 2023 17:09:51 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Dikshita Agarwal <dikshita@....qualcomm.com>,
        Dikshita Agarwal <dikshita@...eaurora.org>,
        Mansur Alisha Shaik <mansur@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vikash Garodia <vgarodia@...eaurora.org>
Subject: Re: [PATCH 18/18] media: venus: hfi_venus: Restrict writing
 SCIACMDARG3 to Venus V1/V2



On 28.02.2023 16:57, Bryan O'Donoghue wrote:
> On 28/02/2023 15:24, Konrad Dybcio wrote:
>> This write was last present on msm-3.10, which means before HFI3XX
>> platforms were introduced. Guard it with an appropriate if condition.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>>   drivers/media/platform/qcom/venus/hfi_venus.c | 3 ++-
>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
>> index c2d134e04c30..deeceb86414d 100644
>> --- a/drivers/media/platform/qcom/venus/hfi_venus.c
>> +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
>> @@ -463,7 +463,8 @@ static int venus_boot_core(struct venus_hfi_device *hdev)
>>       }
>>         writel(mask_val, wrapper_base + WRAPPER_INTR_MASK);
>> -    writel(1, cpu_cs_base + CPU_CS_SCIACMDARG3);
>> +    if (IS_V1(hdev->core))
>> +        writel(1, cpu_cs_base + CPU_CS_SCIACMDARG3);
>>         writel(BIT(VIDC_CTRL_INIT_CTRL_SHIFT), cpu_cs_base + VIDC_CTRL_INIT);
>>       while (!ctrl_status && count < max_tries) {
>>
> 
> Looks good.
> 
> Which platforms have you tested this change on ?
8250

Can you include that detail in the commit log ?
Sure!

Konrad
> 
> ---
> bod