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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6584b92b5efsm6629444a12.18.2026.01.27.03.43.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Jan 2026 03:43:38 -0800 (PST) Message-ID: <83198eae-088e-41d0-ac5f-2346e422a25d@oss.qualcomm.com> Date: Tue, 27 Jan 2026 12:43:36 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/4] media: qcom: flip the switch between Venus and Iris drivers To: Dmitry Baryshkov , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab , cros-qcom-dts-watchers@chromium.org, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Stanimir Varbanov Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Stephan Gerhold , Douglas Anderson References: <20260126-venus-iris-flip-switch-v2-0-b0ea05e1739a@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260126-venus-iris-flip-switch-v2-0-b0ea05e1739a@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI3MDA5NiBTYWx0ZWRfX7Em3aEzKCxlw o6VPwJ09CbyLLPacfVu+Aq1YXYC+9LSiMLTLSKI4K9ZiIpm4WtpPIaQUSVJpMRHEFBw5eCetMUr OU5MUc/nDNbclIuSTphZa0wQiNfLbRDOF81LnrKy7uNXgwy23MsJUxIJ6EIIs7waS9GleDXLofT ComZrujcKB7AJICliC5iTtePMJ/h9VDCkykkhMOI3I7qAVIvbY8qpLPihDFGwtpls8jsrMStT4f 61V/2dLFqhT0Rksz9L3diWm8257tsDzHS2KRoRgXf02lxMzY/6yp2wvOIGb+bE6wRv4eHzbB/JZ +D6rsOjeKWp598UZ1g6HILmsZazSvNxPmBwZ/zREE3bNcdrLGlg3XcqU5NwLuBI/52q2HO3pq0I ELAbQs8ukHXr0y5YXHVi/IxPpQiahJT4NfTU7UyBCm68M01kfvse56y1vx1Ja/f0wY9ICA1WVd7 ArB0ttqfjuJjhtiS+Bw== X-Proofpoint-ORIG-GUID: cBHvkdHViGaft57Z82z8mGLOLc-cBLQz X-Authority-Analysis: v=2.4 cv=Hvh72kTS c=1 sm=1 tr=0 ts=6978a4ec cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=aFFQHNQvxcfBljpNvT0A:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: cBHvkdHViGaft57Z82z8mGLOLc-cBLQz X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-27_02,2026-01-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 suspectscore=0 phishscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601270096 On 1/26/26 3:09 AM, Dmitry Baryshkov wrote: > As the Venus and Iris drivers are close to the "feature parity" for the > common platforms (SC7280, SM8250), in order to get more attention to > squashing bugs from the Iris driver, flip the switch and default to the > Iris driver if both are enabled. The Iris driver has several > regressions, but hopefully they can be fixed through the development > cycle by the respective team. Also it is better to fail the test than > crash the device (which Venus driver does a lot). > > Note: then intention is to land this in 6.21, which might let us to > drop those platforms from the Venus driver in 6.22+. > > Testing methodology: fluster test-suite, single-threaded mode, SM8250 > device (RB5). > > $ ./fluster.py r -j 1 -d GStreamer-H.264-V4L2-Gst1.0 -s -so out-h264.md -ts JVT-AVC_V1 > $ ./fluster.py r -j 1 -d GStreamer-H.265-V4L2-Gst1.0 -s -so out-h265.md -ts JCT-VC-HEVC_V1 > $ ./fluster.py r -j 1 -d GStreamer-VP9-V4L2-Gst1.0 -s -so out-vp9.md > > For H.264: > > Only the main set was used on both platforms > > On Venus pass 126/135 > On Iris pass 78/135 This sounds a little bad.. [...] > For Venus several tests crash the firmware or crash the device, > so test-suite was executed with extra: But this sounds way way worse [...] > For H.265: > > Only the main set was used on both platforms > > On Venus pass 135/147 > On Iris pass 133/147 [...] > For VP9 codec: > > On Venus pass 174/311 > On Iris pass 232/311 These two give me hope.. Ultimately, I think it's the right thing to do, if only to prevent the crashes you've described.. Konrad