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Received: from i53875b34.versanet.de ([83.135.91.52] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1t4G0i-00078T-UX; Fri, 25 Oct 2024 10:49:32 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Mark Brown , Sebastian Reichel Cc: Liam Girdwood , Elaine Zhang , =?ISO-8859-1?Q?Adri=E1n_Mart=EDnez?= Larumbe , Boris Brezillon , Chen-Yu Tsai , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: Re: [PATCH v3 7/7] arm64: dts: rockchip: Add GPU power domain regulator dependency for RK3588 Date: Fri, 25 Oct 2024 10:49:31 +0200 Message-ID: <39319975.10thIPus4b@diego> In-Reply-To: <20241022154508.63563-8-sebastian.reichel@collabora.com> References: <20241022154508.63563-1-sebastian.reichel@collabora.com> <20241022154508.63563-8-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241025_094947_019121_5BCA6C2F X-CRM114-Status: GOOD ( 16.53 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Am Dienstag, 22. Oktober 2024, 17:41:52 CEST schrieb Sebastian Reichel: > Enabling the GPU power domain requires that the GPU regulator is > enabled. The regulator is enabled at boot time, but automatically > gets disabled when there are no users. > = > If the GPU driver is not probed at boot time or rebound while > the system is running the system will try to enable the power > domain before the regulator is enabled resulting in a failure > hanging the whole system. Avoid this by adding an explicit > dependency. > = > Reported-by: Adri=E1n Mart=EDnez Larumbe > Tested-by: Adrian Larumbe # On Rock 5B > Signed-off-by: Sebastian Reichel > diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64= /boot/dts/rockchip/rk3588-rock-5b.dts > index 8f7a59918db7..717504383d46 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > @@ -465,6 +465,10 @@ &pcie3x4 { > status =3D "okay"; > }; > = > +&pd_gpu { > + domain-supply =3D <&vdd_gpu_s0>; > +}; > + > &pinctrl { > hdmirx { > hdmirx_hpd: hdmirx-5v-detection { nit: this seems to have seen some spillover from the not-yet-merged hdmi-rx Heiko _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip