linux-kernel - [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: <20250428-qcom-iris-hevc-vp9-v2-7-3a6013ecb8a5@quicinc.com>
Date: Mon, 28 Apr 2025 14:58:55 +0530
From: Dikshita Agarwal <quic_dikshita@...cinc.com>
To: Vikash Garodia <quic_vgarodia@...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>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>,
        <20250417-topic-sm8x50-iris-v10-v7-0-f020cb1d0e98@...aro.org>,
        <20250424-qcs8300_iris-v5-0-f118f505c300@...cinc.com>
Subject: [PATCH v2 07/23] media: iris: Add handling for no show frames

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;

-- 
2.34.1