From: Sumit Garg <sumit.garg@kernel.org>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Cc: Jorge Ramirez <jorge.ramirez@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
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op-tee@lists.trustedfirmware.org, apurupa@qti.qualcomm.com,
skare@qti.qualcomm.com, Sumit Garg <sumit.garg@oss.qualcomm.com>
Subject: Re: [PATCH 11/14] media: qcom: Switch to generic PAS TZ APIs
Date: Wed, 11 Mar 2026 11:17:32 +0530 [thread overview]
Message-ID: <abEB9DiHs6JLVRnp@sumit-xelite> (raw)
In-Reply-To: <a96cca02-54e4-4ed0-9fcb-816c72afe0e7@oss.qualcomm.com>
On Tue, Mar 10, 2026 at 12:18:29PM +0100, Konrad Dybcio wrote:
> On 3/9/26 10:12 AM, Jorge Ramirez wrote:
> > On 06/03/26 16:20:24, Sumit Garg wrote:
> >> From: Sumit Garg <sumit.garg@oss.qualcomm.com>
> >>
> >> 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.
> >>
> >> Signed-off-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
> >> ---
>
> [...]
>
> > are the calls to set_remote_state required?
> > 0 is not the IRIS/VENUS remote processor.
> >
> > If it is legacy, maybe they can be phased out?
>
> FWIW, in msm-3.10 (yes) QCOM_SCM_SVC_BOOT/0x0a used to be called
> 'TZBSP_VIDEO_SET_STATE', taking the arguments:
>
> args[0] = suspend->0, resume->1
> args[1] = spare=0
>
> seems like sdm845/msm-4.9 still had that and so did 8250/msm-4.19
I would assume passing actual PAS ID in that spare argument shouldn't
cause any issues for QTEE as it could just ignore that. Let me try to
see in my testing on RB3Gen2 if it causes any ABI issues. Since with
OP-TEE we would like to not deal with ABI inconsistencies.
-Sumit
next prev parent reply other threads:[~2026-03-11 5:47 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-06 10:50 [PATCH 00/14] firmware: qcom: Add OP-TEE PAS service support Sumit Garg
2026-03-06 10:50 ` [PATCH 01/14] arm64: dts: qcom: kodiak: Add EL2 overlay Sumit Garg
2026-03-09 8:00 ` Mukesh Ojha
2026-03-09 8:09 ` Sumit Garg
2026-03-06 10:50 ` [PATCH 02/14] firmware: qcom: Add a generic PAS service Sumit Garg
2026-03-06 11:15 ` Krzysztof Kozlowski
2026-03-09 4:55 ` Sumit Garg
2026-03-09 7:10 ` Krzysztof Kozlowski
2026-03-09 7:16 ` Sumit Garg
2026-03-10 4:58 ` Sumit Garg
2026-03-06 15:40 ` Jeff Johnson
2026-03-06 15:49 ` Jeff Johnson
2026-03-09 5:03 ` Sumit Garg
2026-03-06 19:47 ` Trilok Soni
2026-03-06 20:00 ` Trilok Soni
2026-03-06 22:00 ` Jeff Johnson
2026-03-06 22:16 ` Trilok Soni
2026-03-09 6:36 ` Sumit Garg
2026-03-10 7:33 ` Trilok Soni
2026-03-09 6:25 ` Sumit Garg
2026-03-06 10:50 ` [PATCH 03/14] firmware: qcom_scm: Migrate to " Sumit Garg
2026-03-06 10:50 ` [PATCH 04/14] firmware: qcom: Add a PAS TEE service Sumit Garg
2026-03-06 10:50 ` [PATCH 05/14] remoteproc: qcom_q6v5_pas: Switch over to generic PAS TZ APIs Sumit Garg
2026-03-06 10:50 ` [PATCH 06/14] remoteproc: qcom_q6v5_mss: Switch " Sumit Garg
2026-03-06 10:50 ` [PATCH 07/14] soc: qcom: mdtloader: " Sumit Garg
2026-03-06 10:50 ` [PATCH 08/14] remoteproc: qcom_wcnss: " Sumit Garg
2026-03-06 10:50 ` [PATCH 09/14] remoteproc: qcom: Select QCOM_PAS_TEE service backend Sumit Garg
2026-03-06 10:50 ` [PATCH 10/14] drm/msm: Switch to generic PAS TZ APIs Sumit Garg
2026-03-25 4:34 ` Dmitry Baryshkov
2026-03-26 8:50 ` Sumit Garg
2026-03-06 10:50 ` [PATCH 11/14] media: qcom: " Sumit Garg
2026-03-09 9:12 ` Jorge Ramirez
2026-03-10 5:04 ` Sumit Garg
2026-03-10 11:18 ` Konrad Dybcio
2026-03-11 5:47 ` Sumit Garg [this message]
2026-03-06 10:50 ` [PATCH 12/14] net: ipa: " Sumit Garg
2026-03-06 10:50 ` [PATCH 13/14] wifi: ath12k: " Sumit Garg
2026-03-06 15:52 ` Jeff Johnson
2026-03-06 10:50 ` [PATCH 14/14] firmware: qcom_scm: Remove SCM PAS wrappers Sumit Garg
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