[PATCH] drm/amd/amdgpu: if visible VRAM allocation fail, fall back to invisible try again

[Hongbo.He@xxxxxxx (Roger He)]

Change-Id: Ib30efa5f007fce12a85a66722a8c9f76496f2dec
Signed-off-by: Roger He <Hongbo.He at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index fb72edc..a1eaabb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -63,6 +63,11 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
 			     flags, NULL, resv, 0, &bo);
 	if (r) {
 		if (r != -ERESTARTSYS) {
+			if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
+				flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
+				goto retry;
+			}
+
 			if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
 				initial_domain |= AMDGPU_GEM_DOMAIN_GTT;
 				goto retry;
-- 
2.7.4