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

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Message-ID: <0d319988-e4fe-3c67-fca6-fee3ff94f673@linaro.org>
Date:   Tue, 28 Feb 2023 15:57:21 +0000
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...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 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 ? Can you include that 
detail in the commit log ?

---
bod