From: Christian König <christian.koenig@amd.com>
Date: Wed, 22 Aug 2018 10:27:05 +0000 (+0200)
Subject: drm/amdgpu: add GMC9 support for PDs/PTs in system memory
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bbc9fb10e581c5463961506df7504356b3bd0a61;p=openwrt%2Fstaging%2Fblogic.git

drm/amdgpu: add GMC9 support for PDs/PTs in system memory

Add the necessary handling.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index a82b3eb429e8..453bd7ea50e7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -560,7 +560,7 @@ static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev,
 static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
 				uint64_t *addr, uint64_t *flags)
 {
-	if (!(*flags & AMDGPU_PDE_PTE))
+	if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
 		*addr = adev->vm_manager.vram_base_offset + *addr -
 			adev->gmc.vram_start;
 	BUG_ON(*addr & 0xFFFF00000000003FULL);