From: Dave Airlie <airlied@redhat.com>
Date: Wed, 7 Aug 2013 00:01:56 +0000 (+1000)
Subject: drm/ast: invalidate page tables when pinning a BO
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3ac65259328324de323dc006b52ff7c1a5b18d19;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

drm/ast: invalidate page tables when pinning a BO

same fix as cirrus and mgag200.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 98d670825a1a..6e8887fe6c1b 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -323,6 +323,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,
 
 	astbo->gem.driver_private = NULL;
 	astbo->bo.bdev = &ast->ttm.bdev;
+	astbo->bo.bdev->dev_mapping = dev->dev_mapping;
 
 	ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);