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[79.144.189.125]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42cb7fa41d2sm40702051f8f.22.2025.11.26.06.00.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Nov 2025 06:00:44 -0800 (PST) From: Jorge Ramirez-Ortiz To: jorge.ramirez@oss.qualcomm.com, vikash.garodia@oss.qualcomm.com, dikshita.agarwal@oss.qualcomm.com, bod@kernel.org, mchehab@kernel.org Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] media: venus: assign unique bus_info strings for encoder and decoder Date: Wed, 26 Nov 2025 15:00:24 +0100 Message-ID: <20251126140041.754071-1-jorge.ramirez@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=C53kCAP+ c=1 sm=1 tr=0 ts=6927080f cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=QCpOfKHlYVe8AePir1+hrw==:17 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=owfriIHii3yi9sGd5oQA:9 a=PEH46H7Ffwr30OY-TuGO:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTI2MDExNSBTYWx0ZWRfXwW/2yNfjxKFe wcju17jQnL4jRbN1j3tAFPeCnvTPN+3f62k72eOY2fMQNodvHkTIrjbLtDK/Q6pGdsbrXOVGc1D pFl7N5MSRDL+46/3fNASP6n2pAqisFt6JEp0bWBedFdTUlBgCXEC4ZnWamCJhJ3XY4Or43D0Adh cQhu9oAqpvvpPN7Vck/vAvR4Dw34sBUkD+7omLNg4D1MQ07ftvNdnH7BlW7fv5XgzfqPd1pbjA0 JGyCpP5O3w4639wthjIwbOPjm38kF39lQ7DZwkyF+0Nyxh0B25wj59cpkecrKyT5SdxO9Ba8yqB Qbu5xp/AtswfPN416ziXGhIsPK87qMlRoMUnd4chz+nkvj6lZpfHao1BVFgG5RVIldU5jkR5yxh 1c0NqVQPkqh3pq4j3eFr6v9qAOYrSA== X-Proofpoint-ORIG-GUID: zQBXPJzJbQevPPBLbILC3RJQv66MhajZ X-Proofpoint-GUID: zQBXPJzJbQevPPBLbILC3RJQv66MhajZ 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_02,2025-11-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 adultscore=0 phishscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511260115 The Venus encoder and decoder video devices currently report the same bus_info string ("platform:qcom-venus"). Assign unique bus_info identifiers by appending ":dec" and ":enc" to the parent device name. With this change v4l2-ctl will display two separate logical devices Signed-off-by: Jorge Ramirez-Ortiz Reviewed-by: Bryan O'Donoghue --- drivers/media/platform/qcom/venus/vdec.c | 6 +++++- drivers/media/platform/qcom/venus/venc.c | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 4a6641fdffcf..16587767e597 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -433,9 +433,13 @@ vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) static int vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { + struct venus_inst *inst = to_inst(file); + struct venus_core *core = inst->core; + strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); - strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); + snprintf(cap->bus_info, sizeof(cap->bus_info), + "plat:%s:dec", dev_name(core->dev)); return 0; } diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c index b478b982a80d..0b5843ba536f 100644 --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -144,9 +144,13 @@ static int venc_v4l2_to_hfi(int id, int value) static int venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { + struct venus_inst *inst = to_inst(file); + struct venus_core *core = inst->core; + strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card)); - strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); + snprintf(cap->bus_info, sizeof(cap->bus_info), + "plat:%s:enc", dev_name(core->dev)); return 0; } -- 2.43.0