drm/meson: Add missing VPU init

The VPU init misses these configurations values.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1512561268-29806-5-git-send-email-narmstrong@baylibre.com

drivers/gpu/drm/meson/meson_drv.c

@@ -151,6 +151,14 @@ static struct regmap_config meson_regmap_config = {
 	.max_register   = 0x1000,
 };
 
+static void meson_vpu_init(struct meson_drm *priv)
+{
+	writel_relaxed(0x210000, priv->io_base + _REG(VPU_RDARB_MODE_L1C1));
+	writel_relaxed(0x10000, priv->io_base + _REG(VPU_RDARB_MODE_L1C2));
+	writel_relaxed(0x900000, priv->io_base + _REG(VPU_RDARB_MODE_L2C1));
+	writel_relaxed(0x20000, priv->io_base + _REG(VPU_WRARB_MODE_L2C1));
+}
+
 static int meson_drv_bind_master(struct device *dev, bool has_components)
 {
 	struct platform_device *pdev = to_platform_device(dev);
@@ -222,6 +230,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
 
 	/* Hardware Initialization */
 
+	meson_vpu_init(priv);
 	meson_venc_init(priv);
 	meson_vpp_init(priv);
 	meson_viu_init(priv);

drivers/gpu/drm/meson/meson_registers.h

@@ -1363,6 +1363,10 @@
 #define VPU_PROT3_STAT_1 0x277a
 #define VPU_PROT3_STAT_2 0x277b
 #define VPU_PROT3_REQ_ONOFF 0x277c
+#define VPU_RDARB_MODE_L1C1 0x2790
+#define VPU_RDARB_MODE_L1C2 0x2799
+#define VPU_RDARB_MODE_L2C1 0x279d
+#define VPU_WRARB_MODE_L2C1 0x27a2
 
 /* osd super scale */
 #define OSDSR_HV_SIZEIN 0x3130