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Wed, 08 Jul 2026 16:30:05 -0700 (PDT) Message-ID: <51b38994ed2032a83160881e53994fb4487a7b02.camel@redhat.com> Subject: Re: [PATCH v3 2/3] drm/nouveau/gsp/r570: Never enter Gcoff state From: lyude@redhat.com To: John Hubbard , Danilo Krummrich , David Airlie Cc: nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Timur Tabi , Andy Shevchenko , Maarten Lankhorst , Kees Cook , Simona Vetter , David Airlie , Thomas Zimmermann , Maxime Ripard , Mel Henning , Aaron Plattner Date: Wed, 08 Jul 2026 19:30:04 -0400 In-Reply-To: <58219e62-99aa-4bb3-9c6b-5f96dae12649@nvidia.com> References: <20260701182857.190713-1-lyude@redhat.com> <20260701182857.190713-3-lyude@redhat.com> <971d09c47689981c1ea44c89555f71fcc0b5db41.camel@redhat.com> <58219e62-99aa-4bb3-9c6b-5f96dae12649@nvidia.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2026-07-08 at 16:25 -0700, John Hubbard wrote: > > > not > > > derive those flags from srInitArguments.flags. That field is read > > > in > > > only one place on the resume path, an unrelated display > > > workaround > > > gated > > > on the PM_SUSPEND bit. Neither 0 nor PRESERVING | PM_TRANSITION > > > sets >=20 > This "unrelated display workaround" might be related after all, > perhaps. Would be good to note too - while it's not impossible it is actually a display workaround doing this (as this secondary laptop GPU does have display connectors routed to it), I currently don't have any displays hooked up to it.