From: Samuel Li <Samuel.Li@amd.com>
Date: Wed, 18 Apr 2018 20:26:18 +0000 (-0400)
Subject: drm/amdgpu: Remove VRAM from shared bo domains.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b42848b2a819ae2fd310080bfb32221fde9e084d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/amdgpu: Remove VRAM from shared bo domains.

[ Upstream commit 9b3f217faf48603c91d4ca44a18e6ff74c3c1c0c ]

This fixes an issue introduced by change "allow framebuffer in GART
memory as well" which could lead to a shared buffer ending up
pinned in vram.  Use GTT if it is included in the domain, otherwise
return an error.

Signed-off-by: Samuel Li <Samuel.Li@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 1360a24d2ede..f08624f2f209 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -683,8 +683,12 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 		return -EINVAL;
 
 	/* A shared bo cannot be migrated to VRAM */
-	if (bo->prime_shared_count && (domain == AMDGPU_GEM_DOMAIN_VRAM))
-		return -EINVAL;
+	if (bo->prime_shared_count) {
+		if (domain & AMDGPU_GEM_DOMAIN_GTT)
+			domain = AMDGPU_GEM_DOMAIN_GTT;
+		else
+			return -EINVAL;
+	}
 
 	if (bo->pin_count) {
 		uint32_t mem_type = bo->tbo.mem.mem_type;