From: xxm <xxm@rock-chips.com>
Date: Thu, 17 Apr 2014 09:46:05 +0000 (+0800)
Subject: gpu midgard : avoid hard reset isp mmu when initiate
X-Git-Tag: firefly_0821_release~5514
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=b2e6b2e1b0ea9ba31f3ca3cf5e1532813f7d4aea;p=firefly-linux-kernel-4.4.55.git

gpu midgard : avoid hard reset isp mmu when initiate
---

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 4d96f1e61a6e..2ad9ca152155 100755
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1044,11 +1044,14 @@ static int rockchip_sysmmu_probe(struct platform_device *pdev)
 			ret = -ENOENT;
 			goto err_res;
 		}
-		/*reset sysmmu*/
-		if(!sysmmu_reset(data->res_bases[i],data->dbgname))
+		if(!strstr(data->dbgname,"isp"))
 		{
-			ret = -ENOENT;
-			goto err_res;
+			/*reset sysmmu*/
+			if(!sysmmu_reset(data->res_bases[i],data->dbgname))
+			{
+				ret = -ENOENT;
+				goto err_res;
+			}
 		}
 	}