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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29b5b107effsm185495685ad.14.2025.11.25.20.23.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Nov 2025 20:23:12 -0800 (PST) From: Renjiang Han Date: Wed, 26 Nov 2025 09:53:08 +0530 Subject: [PATCH] media: venus: vdec: fix error state assignment for zero bytesused Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251126-fix-error-state-v1-1-34f943a8b165@oss.qualcomm.com> X-B4-Tracking: v=1; b=H4sIAKuAJmkC/yWMQQ7CIBBFr9LMWpICLWCvYroYYFAWbXVAY9L07 hK7fD//vR0KcaYCU7cD0yeXvK0N5KWD8MD1TiLHxqB6NUqpjEj5K4h5Y1EqVhJqkE6jG7ULEZr 1ZGqXf/E2n8z0erdwPUfwWEiEbVlynTpjdOyjxKQTUiJjdUCfBm98b60crugsRisTzMfxA6DdX H6tAAAA X-Change-ID: 20251126-fix-error-state-24183a8538cd To: Vikash Garodia , Dikshita Agarwal , Bryan O'Donoghue , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Renjiang Han X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1764130990; l=1849; i=renjiang.han@oss.qualcomm.com; s=20241001; h=from:subject:message-id; bh=zgCjYR5PaAdHp5cSNkkvKa5iHZekQNMYhW+StxLcdW4=; b=W2uwM6gTQWZ/1no2aXhKIz+lmHOyUNq04MNzEWUgFiTcDxc/PlhPTXjknno4eef5jBoWZvZDi I/hZUzHh1vkCBy40CjHInxe63eJvrxDXWzPeUSWpwxGBJaeJIrR6j3Q X-Developer-Key: i=renjiang.han@oss.qualcomm.com; a=ed25519; pk=8N59kMJUiVH++5QxJzTyHB/wh/kG5LxQ44j9zhUvZmw= X-Authority-Analysis: v=2.4 cv=P9Q3RyAu c=1 sm=1 tr=0 ts=692680b2 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=UCHoedPerF6s_gDRrecA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: eZtN48LQjS2VaOAYmGvVXYuxtO7aa-Rb X-Proofpoint-ORIG-GUID: eZtN48LQjS2VaOAYmGvVXYuxtO7aa-Rb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTI2MDAzMyBTYWx0ZWRfXxor8JHwCiUKk 5aAtiAL09uFInUrg32ph/jYmjNiaSVIHoXn7wUizmACsR9fb0B+I1al7R+44zY5HDRf7RnaSeTu OOWAyXxrFptrM2edANGb76CagvnFnz7nfLczmfHc86FYC9zoK5E3j9PhggOzr6r3m585Khzqs03 pWTHTi3z3rWRC7ECZKThRGdX0/zc3yFVoMIfRaRE9iKnqXmFGcc+FbtaY9p6OffmaIJWrqW1xJI epqUwgmi6IuoyjCdl0oSFo0hRCEURsVpYmTlSoIC3qZ4cp2BrAxTQMa+S6sr7m6+9PCfW6qoWL2 ijFoHUhycpoYeib89+fXliHx7YFGRZotzdAxX5xjGsdTGk3bMPCMIGg81d1VIJU3ewYjlgQ4rhs HUhXbqnxJmS8aW8P1cE8LjyXQZn02A== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-25_02,2025-11-25_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 spamscore=0 phishscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511260033 Previously, the check for zero bytesused and the assignment of error state was performed outside the V4L2_BUF_FLAG_LAST branch, which could incorrectly set the error state during drain operations. This patch moves the zero-bytesused check inside the 'else' branch, ensuring that the error state is only set for non-EOS buffers with zero payload. Additionally, the patch keeps the rest of the buffer state handling logic unchanged, including handling of HFI_BUFFERFLAG_DATACORRUPT and HFI_BUFFERFLAG_DROP_FRAME. Signed-off-by: Renjiang Han --- This patch refines the error state assignment logic in the Venus vdec driver for Qualcomm platforms. Specifically, it ensures that the buffer state is only set to VB2_BUF_STATE_ERROR for non-EOS capture buffers with zero bytesused, preventing false error reporting during drain operations. --- drivers/media/platform/qcom/venus/vdec.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platf= orm/qcom/venus/vdec.c index 4a6641fdffcf79705893be58c7ec5cf485e2fab9..d0bd2d86a31f9a18cb68b08ba66= affdf8fc5092d 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1440,10 +1440,10 @@ static void vdec_buf_done(struct venus_inst *inst, = unsigned int buf_type, inst->drain_active =3D false; inst->codec_state =3D VENUS_DEC_STATE_STOPPED; } + } else { + if (!bytesused) + state =3D VB2_BUF_STATE_ERROR; } - - if (!bytesused) - state =3D VB2_BUF_STATE_ERROR; } else { vbuf->sequence =3D inst->sequence_out++; } --- base-commit: 663d0d1af3faefe673cabf4b6b077149a87ad71f change-id: 20251126-fix-error-state-24183a8538cd Best regards, --=20 Renjiang Han