[PATCH 3/9] drm: meson: drv: use macro when initializing vpu

[Julien Masson]

This patch add new macro which is used to set WRARB/RDARB mode of
the VPU.

Signed-off-by: Julien Masson <jmas...@baylibre.com>
---
 drivers/gpu/drm/meson/meson_drv.c       | 26 +++++++++++++++++++++----
 drivers/gpu/drm/meson/meson_registers.h |  1 +
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_drv.c 
b/drivers/gpu/drm/meson/meson_drv.c
index 2310c96fff46..50096697adc3 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -149,10 +149,28 @@ static struct regmap_config meson_regmap_config = {
 
 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));
+       u32 value;
+
+       /*
+        * Slave dc0 and dc5 connected to master port 1.
+        * By default other slaves are connected to master port 0.
+        */
+       value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1) |
+               VPU_RDARB_SLAVE_TO_MASTER_PORT(5, 1);
+       writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C1));
+
+       /* Slave dc0 connected to master port 1 */
+       value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1);
+       writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C2));
+
+       /* Slave dc4 and dc7 connected to master port 1 */
+       value = VPU_RDARB_SLAVE_TO_MASTER_PORT(4, 1) |
+               VPU_RDARB_SLAVE_TO_MASTER_PORT(7, 1);
+       writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L2C1));
+
+       /* Slave dc1 connected to master port 1 */
+       value = VPU_RDARB_SLAVE_TO_MASTER_PORT(1, 1);
+       writel_relaxed(value, priv->io_base + _REG(VPU_WRARB_MODE_L2C1));
 }
 
 static void meson_remove_framebuffers(void)
diff --git a/drivers/gpu/drm/meson/meson_registers.h 
b/drivers/gpu/drm/meson/meson_registers.h
index 55f5fe21ff5e..a9db49e5bdd6 100644
--- a/drivers/gpu/drm/meson/meson_registers.h
+++ b/drivers/gpu/drm/meson/meson_registers.h
@@ -1496,6 +1496,7 @@
 #define VPU_RDARB_MODE_L1C2 0x2799
 #define VPU_RDARB_MODE_L2C1 0x279d
 #define VPU_WRARB_MODE_L2C1 0x27a2
+#define                VPU_RDARB_SLAVE_TO_MASTER_PORT(dc, port) (port << (16 + 
dc))
 
 /* osd super scale */
 #define OSDSR_HV_SIZEIN 0x3130
-- 
2.17.1

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