linux-kernel - Re: [PATCH 3/3] venus: fix EOS handling in decoder stop command

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Date:   Wed, 5 Apr 2023 12:11:43 +0530
From:   Dikshita Agarwal <quic_dikshita@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        <linux-media@...r.kernel.org>, <stanimir.k.varbanov@...il.com>,
        <quic_vgarodia@...cinc.com>, <agross@...nel.org>,
        <andersson@...nel.org>, <mchehab@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        "Viswanath Boma" <quic_vboma@...cinc.com>
Subject: Re: [PATCH 3/3] venus: fix EOS handling in decoder stop command


On 4/4/2023 11:54 PM, Konrad Dybcio wrote:
>
> On 4.04.2023 08:17, Dikshita Agarwal wrote:
>> Use firmware version based check to assign correct
>> device address for EOS buffer to fix the EOS handling
>> with different firmware version.
>>
>> Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
>> Signed-off-by: Vikash Garodia <quic_vgarodia@...cinc.com>
>> Signed-off-by: Viswanath Boma <quic_vboma@...cinc.com>
>> Tested-by: Nathan Hebert <nhebert@...omium.org>
>> ---
> Does it only concern fw 1.0.xx?
>
> Konrad

that's right.

changes were made in later firmware (newer than 1.0.87) to

make the behavior generic across all supported SOCs.

Thanks,

Dikshita

>>   drivers/media/platform/qcom/venus/vdec.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
>> index f0394b9..c59b34f 100644
>> --- a/drivers/media/platform/qcom/venus/vdec.c
>> +++ b/drivers/media/platform/qcom/venus/vdec.c
>> @@ -545,7 +545,7 @@ vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
>>   
>>   		fdata.buffer_type = HFI_BUFFER_INPUT;
>>   		fdata.flags |= HFI_BUFFERFLAG_EOS;
>> -		if (IS_V6(inst->core))
>> +		if (IS_V6(inst->core) && is_fw_rev_or_older(inst->core, 1, 0, 87))
>>   			fdata.device_addr = 0;
>>   		else
>>   			fdata.device_addr = 0xdeadb000;