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Message-ID: <2ccb46b8-db1c-5f4e-681c-7b1fe9fa8402@linaro.org>
Date:   Fri, 5 May 2023 21:12:22 +0200
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To:     Vikash Garodia <quic_vgarodia@quicinc.com>,
        Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Dikshita Agarwal <dikshita@qti.qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
        Mansur Alisha Shaik <mansur@codeaurora.org>,
        Jonathan Marek <jonathan@marek.ca>,
        Hans Verkuil <hans.verkuil@cisco.com>,
        Dikshita Agarwal <quic_dikshita@quicinc.com>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        Stanimir Varbanov <stanimir.varbanov@linaro.org>,
        linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Marijn Suijten <marijn.suijten@somainline.org>
References: <20230228-topic-venus-v2-0-d95d14949c79@linaro.org>
 <20230228-topic-venus-v2-9-d95d14949c79@linaro.org>
 <4a95547d-916a-3875-7752-f815429182e5@quicinc.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
Subject: Re: [PATCH v2 09/18] media: venus: hfi_venus: Fix version checks in
 venus_halt_axi()
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On 5.05.2023 15:21, Vikash Garodia wrote:
> 
> On 5/4/2023 1:31 PM, Konrad Dybcio wrote:
>> Only IRIS2(_1) should enter the until-now-IS_V6() path and the
>> condition for skipping part of it should be IS_IRIS2_1 and not the
>> number of VPP pipes. Fix that.
> 
> Do not see any issue with existing code. IRIS2 with single pipe is IRIS2_1. This does not
> 
> quality as a fix to earlier implementation. Since this series introduces VPU versions,
> 
> IRIS2 with 1 pipe is being replaced with IRIS2_1.
> 
> -Vikash
Right, I'll drop the fixes tags.

Also, your email client seems to be inserting 2 newlines instead of 1.
If you're using thunderbird, you may want to edit:

mail.identity.(default or your mail identity idx).default.compose_html

to `false`

or you can use shift+enter as a half-measure

Konrad
> 
>>
>> Fixes: 4b0b6e147dc9 ("media: venus: hfi: Add 6xx AXI halt logic")
>> Fixes: 78d434ba8659 ("media: venus: hfi: Skip AON register programming for V6 1pipe")
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.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 9b840440a115..ca56b1a8eb71 100644
>> --- a/drivers/media/platform/qcom/venus/hfi_venus.c
>> +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
>> @@ -549,10 +549,10 @@ static int venus_halt_axi(struct venus_hfi_device *hdev)
>>       u32 mask_val;
>>       int ret;
>>   -    if (IS_V6(hdev->core)) {
>> +    if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core)) {
>>           writel(0x3, cpu_cs_base + CPU_CS_X2RPMH_V6);
>>   -        if (hdev->core->res->num_vpp_pipes == 1)
>> +        if (IS_IRIS2_1(hdev->core))
>>               goto skip_aon_mvp_noc;
>>             writel(0x1, aon_base + AON_WRAPPER_MVP_NOC_LPI_CONTROL);
>>