From: Jacob Chen <jacob2.chen@rock-chips.com>
Date: Fri, 10 Mar 2017 07:04:59 +0000 (+0800)
Subject: drm/rockchip: rga: don't flush buffer context
X-Git-Tag: firefly_0821_release~349
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=89211fb8a787b9fdf0f6b79549b36577817dc8df;p=firefly-linux-kernel-4.4.55.git

drm/rockchip: rga: don't flush buffer context

to save time

Change-Id: Ie4a1618eabdbb9ebf5ad0b73b8acc9df884a81bb
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
---

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_rga.c b/drivers/gpu/drm/rockchip/rockchip_drm_rga.c
index 441194867fa6..139bf94a4fb0 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_rga.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_rga.c
@@ -289,9 +289,7 @@ rga_gem_buf_to_pages(struct rockchip_rga *rga, void **mmu_pages, int fd)
 
 		for (p = 0; p < len; p++) {
 			dma_addr_t phys = address + (p << PAGE_SHIFT);
-			void *virt = phys_to_virt(phys);
 
-			rga_dma_flush_range(virt, 4 * 1024);
 			pages[mapped_size + p] = phys;
 		}