From 1b7915b99771366d31e0ce43b74aa4167817dc56 Mon Sep 17 00:00:00 2001
From: zsq <zsq@rock-chips.com>
Date: Thu, 10 May 2012 15:00:15 +0800
Subject: [PATCH] modify rga soft_reset delay to 3 us

---
 drivers/video/rockchip/rga/rga_drv.c      | 2 +-
 drivers/video/rockchip/rga/rga_mmu_info.c | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/video/rockchip/rga/rga_drv.c b/drivers/video/rockchip/rga/rga_drv.c
index 5cabff17c50d..e79a5dc8f6a7 100755
--- a/drivers/video/rockchip/rga/rga_drv.c
+++ b/drivers/video/rockchip/rga/rga_drv.c
@@ -566,7 +566,7 @@ static void rga_try_set_reg(uint32_t num)
         return;
     }
 
-    udelay(100);
+    udelay(3);
         
 	spin_lock_irqsave(&rga_service.lock, flag);
 	if (!list_empty(&rga_service.waiting)) 
diff --git a/drivers/video/rockchip/rga/rga_mmu_info.c b/drivers/video/rockchip/rga/rga_mmu_info.c
index b5972a40f03c..468897df6351 100755
--- a/drivers/video/rockchip/rga/rga_mmu_info.c
+++ b/drivers/video/rockchip/rga/rga_mmu_info.c
@@ -12,13 +12,15 @@
 #include <linux/mman.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/memory.h>
+#include <linux/dma-mapping.h>
+#include <asm/memory.h>
 #include <asm/atomic.h>
-
-
+#include <asm/cacheflush.h>
 #include "rga_mmu_info.h"
 
 extern rga_service_info rga_service;
-extern int mmu_buff_temp[1024];
+//extern int mmu_buff_temp[1024];
 
 #define KERNEL_SPACE_VALID    0xc0000000
 
-- 
2.34.1