linux-kernel - Re: [PATCH v2 07/23] media: iris: Add handling for no show frames

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <963195e9-44e1-ec84-0892-32c5efb88efa@quicinc.com>
Date: Tue, 29 Apr 2025 15:36:09 +0530
From: Vikash Garodia <quic_vgarodia@...cinc.com>
To: Dikshita Agarwal <quic_dikshita@...cinc.com>,
        Abhinav Kumar
	<quic_abhinavk@...cinc.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Stefan Schmidt <stefan.schmidt@...aro.org>,
        Hans Verkuil
	<hverkuil@...all.nl>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Dmitry Baryshkov
	<dmitry.baryshkov@....qualcomm.com>,
        Neil Armstrong
	<neil.armstrong@...aro.org>,
        Nicolas Dufresne
	<nicolas.dufresne@...labora.com>,
        <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <20250417-topic-sm8x50-iris-v10-v7-0-f020cb1d0e98@...aro.org>,
        <20250424-qcs8300_iris-v5-0-f118f505c300@...cinc.com>
Subject: Re: [PATCH v2 07/23] media: iris: Add handling for no show frames


On 4/28/2025 2:58 PM, Dikshita Agarwal wrote:
> Firmware sends the picture type as NO_SHOW for frames which are not
> supposed to be displayed, add handling for the same in driver to drop
> them.
> 
> Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
> ---
>  drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h  | 1 +
>  drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c | 4 +++-
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
> index 806f8bb7f505..666061a612c3 100644
> --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
> +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
> @@ -113,6 +113,7 @@ enum hfi_picture_type {
>  	HFI_PICTURE_I				= 0x00000008,
>  	HFI_PICTURE_CRA				= 0x00000010,
>  	HFI_PICTURE_BLA				= 0x00000020,
> +	HFI_PICTURE_NOSHOW			= 0x00000040,
>  };
>  
>  enum hfi_buffer_type {
> diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c
> index 5bb20ec0d67f..1ed798d31a3f 100644
> --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c
> +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c
> @@ -91,7 +91,9 @@ static int iris_hfi_gen2_get_driver_buffer_flags(struct iris_inst *inst, u32 hfi
>  	struct iris_inst_hfi_gen2 *inst_hfi_gen2 = to_iris_inst_hfi_gen2(inst);
>  	u32 driver_flags = 0;
>  
> -	if (inst_hfi_gen2->hfi_frame_info.picture_type & keyframe)
> +	if (inst_hfi_gen2->hfi_frame_info.picture_type & HFI_PICTURE_NOSHOW)
> +		driver_flags |= V4L2_BUF_FLAG_ERROR;
> +	else if (inst_hfi_gen2->hfi_frame_info.picture_type & keyframe)
>  		driver_flags |= V4L2_BUF_FLAG_KEYFRAME;
>  	else if (inst_hfi_gen2->hfi_frame_info.picture_type & HFI_PICTURE_P)
>  		driver_flags |= V4L2_BUF_FLAG_PFRAME;
> 
>
Acked-by: Vikash Garodia <quic_vgarodia@...cinc.com>