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[46.138.80.108]) by smtp.gmail.com with ESMTPSA id m10sm1408899lfr.272.2021.09.26.15.43.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Sep 2021 15:43:05 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Ulf Hansson , Viresh Kumar , Stephen Boyd , Peter De Schrijver , Mikko Perttunen , Peter Chen , Lee Jones , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Nishanth Menon , Adrian Hunter , Michael Turquette Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-staging@lists.linux.dev, linux-pwm@vger.kernel.org, linux-mmc@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, Mark Brown , Vignesh Raghavendra , Richard Weinberger , Miquel Raynal , Lucas Stach , Stefan Agner , Mauro Carvalho Chehab , David Heidelberg Subject: [PATCH v13 33/35] ARM: tegra: Add Memory Client resets to Tegra20 GR2D, GR3D and Host1x Date: Mon, 27 Sep 2021 01:40:56 +0300 Message-Id: <20210926224058.1252-34-digetx@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210926224058.1252-1-digetx@gmail.com> References: <20210926224058.1252-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Memory access must be blocked before hardware reset is asserted and before power is gated, otherwise a serious hardware fault is inevitable. Add reset for memory clients to the GR2D, GR3D and Host1x nodes. Tested-by: Paul Fertser # PAZ00 T20 Tested-by: Nicolas Chauvet # PAZ00 T20 Signed-off-by: Dmitry Osipenko --- arch/arm/boot/dts/tegra20.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index ce38055a8952..eb6e5518fb5f 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -40,8 +40,8 @@ host1x@50000000 { interrupt-names = "syncpt", "host1x"; clocks = <&tegra_car TEGRA20_CLK_HOST1X>; clock-names = "host1x"; - resets = <&tegra_car 28>; - reset-names = "host1x"; + resets = <&tegra_car 28>, <&mc TEGRA20_MC_RESET_HC>; + reset-names = "host1x", "mc"; operating-points-v2 = <&host1x_dvfs_opp_table>; power-domains = <&pd_core>; @@ -98,8 +98,8 @@ gr2d@54140000 { reg = <0x54140000 0x00040000>; interrupts = ; clocks = <&tegra_car TEGRA20_CLK_GR2D>; - resets = <&tegra_car 21>; - reset-names = "2d"; + resets = <&tegra_car 21>, <&mc TEGRA20_MC_RESET_2D>; + reset-names = "2d", "mc"; operating-points-v2 = <&gr2d_dvfs_opp_table>; power-domains = <&pd_core>; }; @@ -108,8 +108,8 @@ gr3d@54180000 { compatible = "nvidia,tegra20-gr3d"; reg = <0x54180000 0x00040000>; clocks = <&tegra_car TEGRA20_CLK_GR3D>; - resets = <&tegra_car 24>; - reset-names = "3d"; + resets = <&tegra_car 24>, <&mc TEGRA20_MC_RESET_3D>; + reset-names = "3d", "mc"; operating-points-v2 = <&gr3d_dvfs_opp_table>; power-domains = <&pd_3d>; };