linux-kernel - [PATCH] ARC: [plat-hsdk]: Add support of Vivante GPU

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Message-Id: <20190129124146.5398-1-Eugeniy.Paltsev@synopsys.com>
Date:   Tue, 29 Jan 2019 15:41:46 +0300
From:   Eugeniy Paltsev <eugeniy.paltsev@...opsys.com>
To:     linux-snps-arc@...ts.infradead.org,
        Vineet Gupta <vineet.gupta1@...opsys.com>
Cc:     linux-kernel@...r.kernel.org,
        Alexey Brodkin <alexey.brodkin@...opsys.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Lucas Stach <l.stach@...gutronix.de>,
        Eugeniy Paltsev <eugeniy.paltsev@...opsys.com>
Subject: [PATCH] ARC: [plat-hsdk]: Add support of Vivante GPU

HSDK board has built-in Vivante GPU IP which works perfectly fine
with Etnaviv driver, so let's use it.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
---
NOTE:
 * this patch has prerequisite:
   https://patchwork.kernel.org/patch/10766265/

 arch/arc/boot/dts/hsdk.dts      | 6 ++++++
 arch/arc/configs/hsdk_defconfig | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 43f17b51ee89..ef892994f024 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -237,6 +237,12 @@
 				reg = <0>;
 			};
 		};
+
+		gpu_3d: gpu@...00 {
+			compatible = "vivante,gc";
+			reg = <0x90000 0x4000>;
+			interrupts = <28>;
+		};
 	};
 
 	memory@...00000 {
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 87b23b7fb781..915e1cca31f8 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -52,6 +52,7 @@ CONFIG_GPIO_DWAPB=y
 CONFIG_DRM=y
 # CONFIG_DRM_FBDEV_EMULATION is not set
 CONFIG_DRM_UDL=y
+CONFIG_DRM_ETNAVIV=y
 CONFIG_FB=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_USB_EHCI_HCD=y
@@ -63,7 +64,6 @@ CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_DW=y
-# CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXT3_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
-- 
2.14.5