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boundary="------------1RA7phgkaxBq55KTG1Fnun0P"; protected-headers="v1" From: Matt Coster To: Michal Wilczynski , mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, drew@pdp7.com, guoren@kernel.org, wefu@redhat.com, jassisinghbrar@gmail.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, frank.binns@imgtec.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, ulf.hansson@linaro.org, jszhang@kernel.org, p.zabel@pengutronix.de, m.szyprowski@samsung.com Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org, Krzysztof Kozlowski Message-ID: Subject: Re: [PATCH v4 11/18] dt-bindings: gpu: Add 'resets' property for GPU initialization References: <20250128194816.2185326-1-m.wilczynski@samsung.com> <20250128194816.2185326-12-m.wilczynski@samsung.com> In-Reply-To: <20250128194816.2185326-12-m.wilczynski@samsung.com> --------------1RA7phgkaxBq55KTG1Fnun0P Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 28/01/2025 19:48, Michal Wilczynski wrote: > Many RISC-V boards featuring Imagination Technologies GPUs require a > reset line to be de-asserted as part of the GPU power-up sequence. To > support this, add a 'resets' property to the GPU device tree bindings. > This ensures the GPU can be properly initialized on these platforms. My comment on P10 ("drm/imagination: Add reset controller support for GPU initialization") applies here too - would you mind rewording this? Cheers, Matt >=20 > Reviewed-by: Krzysztof Kozlowski > Signed-off-by: Michal Wilczynski > --- > Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml | 3 +++ > 1 file changed, 3 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.ya= ml b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml > index 256e252f8087..bb607d4b1e07 100644 > --- a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml > +++ b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml > @@ -37,6 +37,9 @@ properties: > power-domains: > maxItems: 1 > =20 > + resets: > + maxItems: 1 > + > required: > - compatible > - reg --=20 Matt Coster E: matt.coster@imgtec.com --------------1RA7phgkaxBq55KTG1Fnun0P-- --------------P0MdgfQeEdYXNedVtX4QUROU Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wnsEABYIACMWIQS4qDmoJvwmKhjY+nN5vBnz2d5qsAUCZ5zutgUDAAAAAAAKCRB5vBnz2d5qsFSt AP9mSIN7K1rgY0V0HBRujbLzW4dYC154kcGu+tqruLd14QEAp7GKgWZaOidc5Ozlo8WyLoH2oJfa OTHYWwLguQMotAI= =5zhW -----END PGP SIGNATURE----- --------------P0MdgfQeEdYXNedVtX4QUROU--