linux-kernel - Re: [PATCH 06/18] media: venus: hfi_venus: Write to VIDC_CTRL

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Message-ID: <71fd2070-d986-6359-eeca-6105f0835a1b@linaro.org>
Date:   Tue, 28 Feb 2023 16:59:05 +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 06/18] media: venus: hfi_venus: Write to VIDC_CTRL_INIT
 after unmasking interrupts



On 28.02.2023 16:33, Bryan O'Donoghue wrote:
> On 28/02/2023 15:24, Konrad Dybcio wrote:
>> The downstream driver signals the hardware to be enabled only after the
>> interrupts are unmasked, which... makes sense. Follow suit.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>>   drivers/media/platform/qcom/venus/hfi_venus.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
>> index 772e5e9cf127..4d785e53aa0b 100644
>> --- a/drivers/media/platform/qcom/venus/hfi_venus.c
>> +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
>> @@ -454,7 +454,6 @@ static int venus_boot_core(struct venus_hfi_device *hdev)
>>       void __iomem *wrapper_base = hdev->core->wrapper_base;
>>       int ret = 0;
>>   -    writel(BIT(VIDC_CTRL_INIT_CTRL_SHIFT), cpu_cs_base + VIDC_CTRL_INIT);
>>       if (IS_IRIS1(hdev->core) || IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core)) {
>>           mask_val = readl(wrapper_base + WRAPPER_INTR_MASK);
>>           mask_val &= ~(WRAPPER_INTR_MASK_A2HWD_BASK_V6 |
>> @@ -466,6 +465,7 @@ 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);
>>   +    writel(BIT(VIDC_CTRL_INIT_CTRL_SHIFT), cpu_cs_base + VIDC_CTRL_INIT);
>>       while (!ctrl_status && count < max_tries) {
>>           ctrl_status = readl(cpu_cs_base + CPU_CS_SCIACMDARG0);
>>           if ((ctrl_status & CPU_CS_SCIACMDARG0_ERROR_STATUS_MASK) == 4) {
>>
> 
> This should go before you add your new macros in-place of IS_V6() and it should have a fixes.
Ack

Konrad
> 
> ---
> bod