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[79.144.197.187]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d1e2a6f13sm15010561f8f.3.2026.04.03.02.37.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 02:37:10 -0700 (PDT) From: Jorge Ramirez X-Google-Original-From: Jorge Ramirez Date: Fri, 3 Apr 2026 11:37:07 +0200 To: Sumit Garg Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, ath12k@lists.infradead.org, linux-remoteproc@vger.kernel.org, andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, robin.clark@oss.qualcomm.com, sean@poorly.run, akhilpo@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, jesszhan0024@gmail.com, marijn.suijten@somainline.org, airlied@gmail.com, simona@ffwll.ch, vikash.garodia@oss.qualcomm.com, dikshita.agarwal@oss.qualcomm.com, bod@kernel.org, mchehab@kernel.org, elder@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, jjohnson@kernel.org, mathieu.poirier@linaro.org, trilokkumar.soni@oss.qualcomm.com, mukesh.ojha@oss.qualcomm.com, pavan.kondeti@oss.qualcomm.com, jorge.ramirez@oss.qualcomm.com, tonyh@qti.qualcomm.com, vignesh.viswanathan@oss.qualcomm.com, srinivas.kandagatla@oss.qualcomm.com, amirreza.zarrabi@oss.qualcomm.com, jens.wiklander@linaro.org, op-tee@lists.trustedfirmware.org, apurupa@qti.qualcomm.com, skare@qti.qualcomm.com, harshal.dev@oss.qualcomm.com, linux-kernel@vger.kernel.org, Sumit Garg Subject: Re: [PATCH v3 11/15] media: qcom: Switch to generic PAS TZ APIs Message-ID: References: <20260327131043.627120-1-sumit.garg@kernel.org> <20260327131043.627120-12-sumit.garg@kernel.org> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260327131043.627120-12-sumit.garg@kernel.org> X-Proofpoint-GUID: sN1kJ69KdkSxKH608ZrFirWSnG6ucJdg X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAzMDA4NSBTYWx0ZWRfXwDjPM/w7owR1 eGj8Hw2B/3E0cKGUd6OmpSs1MZhFvQ9z44ztduA79tySwE8Kn5aakbpRdunGCPl1PUI1znkIcbF kekmxh2ZpEseb8trOQE39elLFh6KXt85mKfr09uwFYKHFTf0WHR9haKRuoRPtAPak7iceLRYQ7Z pmx4Hdncsgx8Ish/Zbna8wtdDe+khfKTCcdBcm4QEdzU+dL8Y6ewdXTVK5C+BMYFTSJn1aVV0RL Bgd0ZZMpKKPnsT6UZ8sdZcr3DA3JS5f54SfHoJUHiB84ZaDOmVBknFPyzCnYi1qxFODT9b0Tgow lGS56SqmloKu+WTbNBM70IREcmOtT7/PI6gL0+/2e9jDiqrmQ5TZw/yg4B/CyR5Af/qcFitWUMb 8t6Z4L2rCash5WWpeFi7dcwUWg69xAc0vOTNfTjH8zr7LHBDXNPia+qJeELevC0bMeQCVORHYST gpPaNQLJ02dytqCwwDQ== X-Authority-Analysis: v=2.4 cv=OrpCCi/t c=1 sm=1 tr=0 ts=69cf8a52 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=VPdg2FrOqWfiVCzsz0q0YA==:17 a=kj9zAlcOel0A:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=NEAV23lmAAAA:8 a=EUspDBNiAAAA:8 a=vWT0tKtjkO2eN-vK3vkA:9 a=CjuIK1q_8ugA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-ORIG-GUID: sN1kJ69KdkSxKH608ZrFirWSnG6ucJdg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-03_03,2026-04-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 adultscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604030085 On 27/03/26 18:40:39, Sumit Garg wrote: > From: Sumit Garg > > Switch qcom media client drivers over to generic PAS TZ APIs. Generic PAS > TZ service allows to support multiple TZ implementation backends like QTEE > based SCM PAS service, OP-TEE based PAS service and any further future TZ > backend service. OP-TEE based PAS service relies on the linux driver to configure the iommu (just as it is done on the no_tz case). This generic patch does not cover that requirement. Because of that, it is probably better if the commit message doesnt mention OP-TEE and instead maybe indicate that PAS wll support TEEs that implement the same restrictions that QTEE (ie, iommu configuration). I can send an RFC for OP-TEE support based on the integration work being carried out here [1] [1] https://github.com/OP-TEE/optee_os/pull/7721#discussion_r3016923507 > > Along with that pass proper PAS ID to set_remote_state API. As per testing > the SCM backend just ignores it while OP-TEE makes use of it to for proper > book keeping purpose. > > Signed-off-by: Sumit Garg > --- > drivers/media/platform/qcom/iris/Kconfig | 25 ++++++++++--------- > .../media/platform/qcom/iris/iris_firmware.c | 9 ++++--- > drivers/media/platform/qcom/venus/Kconfig | 1 + > drivers/media/platform/qcom/venus/firmware.c | 11 ++++---- > 4 files changed, 25 insertions(+), 21 deletions(-) >