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[2003:e4:1f14:7f00:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id d22-20020a50cd56000000b0056387e8b63csm1419698edj.90.2024.02.16.02.02.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 Feb 2024 02:02:22 -0800 (PST) Content-Type: multipart/signed; boundary=8798a49b6ecd34086d9a3ce9a9c124c00e8a431a4b0a170c89df5b98d57d; micalg=pgp-sha256; protocol="application/pgp-signature" Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Date: Fri, 16 Feb 2024 11:02:22 +0100 Message-Id: Cc: "Mikko Perttunen" , , Subject: Re: [PATCH] gpu: host1x: Skip reset assert on Tegra186 From: "Thierry Reding" To: "Mikko Perttunen" X-Mailer: aerc 0.16.0-1-0-g560d6168f0ed-dirty References: <20240214114049.1421463-1-cyndis@kapsi.fi> In-Reply-To: <20240214114049.1421463-1-cyndis@kapsi.fi> --8798a49b6ecd34086d9a3ce9a9c124c00e8a431a4b0a170c89df5b98d57d Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 On Wed Feb 14, 2024 at 12:40 PM CET, Mikko Perttunen wrote: > From: Mikko Perttunen > > On Tegra186, other software components may rely on the kernel to > keep Host1x operational even during suspend. As such, as a quirk, > skip asserting Host1x's reset on Tegra186. This all sounds a bit vague. What other software components rely on the kernel to keep host1x operational during suspend? And why do they do so? Why is this not a problem elsewhere? 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