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[2003:e4:1f1c:800:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id qp25-20020a170907207900b009342fe44911sm7031978ejb.123.2023.04.05.02.28.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Apr 2023 02:28:55 -0700 (PDT) Date: Wed, 5 Apr 2023 11:28:53 +0200 From: Thierry Reding To: Hans Verkuil Cc: Luca Ceresoli , Laurent Pinchart , Jonathan Hunter , Sowjanya Komatineni , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Thomas Petazzoni , Paul Kocialkowski , Richard Leitner , Mikko Perttunen Subject: Re: [RESEND PATCH v4 03/21] staging: media: tegra-video: fix .vidioc_enum_fmt_vid_cap to return all formats Message-ID: References: <20230309144320.2937553-1-luca.ceresoli@bootlin.com> <20230309144320.2937553-4-luca.ceresoli@bootlin.com> <85268d69-3d3b-2c0f-ba26-073f09052362@xs4all.nl> <20230404161251.272cc78b@booty> <20230405023048.GD9915@pendragon.ideasonboard.com> <20230405103134.2ae10766@booty> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="05p1aaOYNTitphbN" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.10 (2023-03-25) Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org --05p1aaOYNTitphbN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Apr 05, 2023 at 10:50:37AM +0200, Hans Verkuil wrote: [...] > Note that this driver will stay in staging since it still fails when I try to > capture from two sensors at the same time: syncpoint errors start appearing > in that case. I think there are locking issues. I think I have someone to take > a look at that, but first I want your series to get merged. Mikko (added) is familiar with syncpoints, so he may be able to help with. Can you provide steps to reproduce these issues? That may make it easier for us to help figure this out. Unfortunately I don't have any device with an actual sensor on it, so I can only test with the test pattern generator, but syncpoint errors sound like they would happen with either setup. 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