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[46.138.151.206]) by smtp.gmail.com with ESMTPSA id u3sm1775677lju.107.2021.09.20.11.12.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Sep 2021 11:12:43 -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=20Kleine-K=C3=B6nig?= , Nishanth Menon , Adrian Hunter , Rob Herring , 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 v12 34/35] ARM: tegra: Add Memory Client resets to Tegra30 GR2D, GR3D and Host1x Date: Mon, 20 Sep 2021 21:11:44 +0300 Message-Id: <20210920181145.19543-35-digetx@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210920181145.19543-1-digetx@gmail.com> References: <20210920181145.19543-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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: Peter Geis # Ouya T30 Tested-by: Matt Merhar # Ouya T30 Signed-off-by: Dmitry Osipenko --- arch/arm/boot/dts/tegra30.dtsi | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index c8130f8f680e..09cb1ab75312 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -123,8 +123,8 @@ host1x@50000000 { interrupt-names = "syncpt", "host1x"; clocks = <&tegra_car TEGRA30_CLK_HOST1X>; clock-names = "host1x"; - resets = <&tegra_car 28>; - reset-names = "host1x"; + resets = <&tegra_car 28>, <&mc TEGRA30_MC_RESET_HC>; + reset-names = "host1x", "mc"; iommus = <&mc TEGRA_SWGROUP_HC>; operating-points-v2 = <&host1x_dvfs_opp_table>; power-domains = <&pd_heg>; @@ -190,8 +190,8 @@ gr2d@54140000 { reg = <0x54140000 0x00040000>; interrupts = ; clocks = <&tegra_car TEGRA30_CLK_GR2D>; - resets = <&tegra_car 21>; - reset-names = "2d"; + resets = <&tegra_car 21>, <&mc TEGRA30_MC_RESET_2D>; + reset-names = "2d", "mc"; operating-points-v2 = <&gr2d_dvfs_opp_table>; power-domains = <&pd_heg>; @@ -205,8 +205,10 @@ gr3d@54180000 { <&tegra_car TEGRA30_CLK_GR3D2>; clock-names = "3d", "3d2"; resets = <&tegra_car 24>, - <&tegra_car 98>; - reset-names = "3d", "3d2"; + <&tegra_car 98>, + <&mc TEGRA30_MC_RESET_3D>, + <&mc TEGRA30_MC_RESET_3D2>; + reset-names = "3d", "3d2", "mc", "mc2"; operating-points-v2 = <&gr3d_dvfs_opp_table>; power-domains = <&pd_3d0>, <&pd_3d1>; power-domain-names = "3d0", "3d1"; -- 2.32.0