linux-kernel - Re: [PATCH v2 10/18] media: venus: hfi_venus: Fix version checks in venus

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Date:   Fri, 5 May 2023 18:59:01 +0530
From:   Vikash Garodia <quic_vgarodia@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Andy Gross <agross@...nel.org>,
        "Bjorn Andersson" <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Dikshita Agarwal <dikshita@....qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Mansur Alisha Shaik <mansur@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>
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>,
        "Marijn Suijten" <marijn.suijten@...ainline.org>
Subject: Re: [PATCH v2 10/18] media: venus: hfi_venus: Fix version checks in
 venus_isr()


On 5/4/2023 1:31 PM, Konrad Dybcio wrote:
> IS_V6 was used there IS_IRIS2(_1) should have been and the !IS_V6
> condition was only correct by luck and for now. Replace them both
> with VPU version checks.

Existing video driver supports IRIS2(_1) under V6 category. What is meant by

!IS_V6 condition was correct by luck ?

-Vikash

> Fixes: 24fcc0522d87 ("media: venus: hfi: Add 6xx interrupt support")
> Reviewed-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>   drivers/media/platform/qcom/venus/hfi_venus.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
> index ca56b1a8eb71..6d5906fab800 100644
> --- a/drivers/media/platform/qcom/venus/hfi_venus.c
> +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
> @@ -1130,7 +1130,7 @@ static irqreturn_t venus_isr(struct venus_core *core)
>   	wrapper_base = hdev->core->wrapper_base;
>   
>   	status = readl(wrapper_base + WRAPPER_INTR_STATUS);
> -	if (IS_V6(core)) {
> +	if (IS_IRIS2(core) || IS_IRIS2_1(core)) {
>   		if (status & WRAPPER_INTR_STATUS_A2H_MASK ||
>   		    status & WRAPPER_INTR_STATUS_A2HWD_MASK_V6 ||
>   		    status & CPU_CS_SCIACMDARG0_INIT_IDLE_MSG_MASK)
> @@ -1142,7 +1142,7 @@ static irqreturn_t venus_isr(struct venus_core *core)
>   			hdev->irq_status = status;
>   	}
>   	writel(1, cpu_cs_base + CPU_CS_A2HSOFTINTCLR);
> -	if (!IS_V6(core))
> +	if (!(IS_AR50_LITE(core) || IS_IRIS2(core) || IS_IRIS2_1(core)))
>   		writel(status, wrapper_base + WRAPPER_INTR_CLEAR);
>   
>   	return IRQ_WAKE_THREAD;
>