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-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 65f58ebcf835..ceb7847b504f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -82,7 +82,8 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
* to get rid of the VM fault and hardware hang.
*/
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
- (max(adev->gmc.vram_end, adev->gmc.agp_end) >> 18) + 0x1);
+ max((adev->gmc.vram_end >> 18) + 0x1,
+ adev->gmc.agp_end >> 18));
else
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.vram_end, adev->gmc.agp_end) >> 18);
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 80698b5ffa4a..14649f8475f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -100,7 +100,8 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
* to get rid of the VM fault and hardware hang.
*/
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
- (max(adev->gmc.vram_end, adev->gmc.agp_end) >> 18) + 0x1);
+ max((adev->gmc.vram_end >> 18) + 0x1,
+ adev->gmc.agp_end >> 18));
else
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.vram_end, adev->gmc.agp_end) >> 18);