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Tue, 27 Oct 2026 08:59:08 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b49807e07fsm148356a12.25.2026.10.27.08.59.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Oct 2026 08:59:07 -0700 (PDT) Message-ID: Date: Tue, 27 Oct 2026 16:59:03 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/3] media: qcom: Use PAS API for video memory protection To: Sumit Garg , Bjorn Andersson , Konrad Dybcio , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Jorge Ramirez-Ortiz , Jorge Ramirez-Ortiz , Sumit Garg References: <20261027-pas-video-v2-0-5b52bca5add6@oss.qualcomm.com> <20261027-pas-video-v2-2-5b52bca5add6@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261027-pas-video-v2-2-5b52bca5add6@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=GYyCDgXL c=1 sm=1 tr=0 ts=6ae0ca4e cx=c_pps a=P2rfLEam3zuxRRdjJWA2cw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=ws2DSkxJg1jgmxyaqeMA:9 a=QEXdDO2ut3YA:10 a=ODZdjJIeia2B_SHc_B0f:22 X-Proofpoint-ORIG-GUID: FmEMeQMIyAD4zSbrgMDZT9wdXdeZdKcS X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI3MDA2MyBTYWx0ZWRfX2WfZk/eJ6cck hxmSxB/VQad5l1zmxrMiVbHvE/X4TFk4VGMftDvgpzQ8R/xlQMZhu9mvTPDcTmiHaR683qLXvVY pw92kcV8NEW44mXpgoniOHEo1ppAuXVtwdtrcsefs1d/5do/XVRwPxTpuXwXnPsYsBUwohoJ+po LgN9wAfrdXnuOkOkxBLibU3zfvECxDIG178SvcVY2MDVtrWQSL16ehRYZLxBMVUNTtpzTWXBoRo 2kJyoFsyllxgnGwTM5JkWTdtLuNyfS3qLvXS2KNOVLuUQOPMcvsLfzyc3OdZ05tBtTOYmauqaZa CwJNqWhR/2299u2eYgCMHvqbu7cfN+LYFDfQLl9gCVAPCYZ9jt9xEgBpjJxHfKX3t8GkaxqnN29 bAtXW1OJePYdIyO30tPeDfnOroY6M2g9GbzIiKYVbwuiG6//yzV3pFe56LQ2ZmY7xr5WrFhrOfe IfSrue9+CEitm6CXrww== X-Proofpoint-GUID: FmEMeQMIyAD4zSbrgMDZT9wdXdeZdKcS X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI3MDA2MyBTYWx0ZWRfX9QnwrbDUlV6M MTw+6RRrL7LLBGfWl6QeUIt4wWOIj1qgRTA6shDAJxYaygrJeRTTNzdmBThybJyZ7rq20CSllzC OFeABsVGlQnCdpcL/zqhIfPfO4b2ZPU= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-27_03,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 malwarescore=0 impostorscore=0 phishscore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610270063 On 10/27/26 1:39 PM, Sumit Garg wrote: > From: Sumit Garg > > Replace the direct qcom_scm_mem_protect_video_var() calls in venus and > iris with qcom_pas_mem_protect_video_var(), so that the call is only > issued when the active PAS backend needs it. This allows the video > codecs to bring up firmware with the OP-TEE PAS backend as well, with > no functional change for the SCM backend. > > As the video drivers no longer call into SCM directly, also drop their > Kconfig selection of QCOM_SCM. > > Signed-off-by: Sumit Garg > --- Reviewed-by: Konrad Dybcio Konrad