drm/amdgpu: correctly sign extend 48bit addresses v3

Correct sign extend the GMC addresses to 48bit.

v2: sign extending turned out easier than thought.
v3: clean up the defines and move them into amdgpu_gmc.h as well

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

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index ad7978bab5fc..86e8772b6852 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -655,11 +655,11 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 
                 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
                 dev_info.virtual_address_max =
-                        min(vm_size, AMDGPU_VA_HOLE_START);
+                        min(vm_size, AMDGPU_GMC_HOLE_START);
 
-                if (vm_size > AMDGPU_VA_HOLE_START) {
-                        dev_info.high_va_offset = AMDGPU_VA_HOLE_END;
-                        dev_info.high_va_max = AMDGPU_VA_HOLE_END | vm_size;
+                if (vm_size > AMDGPU_GMC_HOLE_START) {
+                        dev_info.high_va_offset = AMDGPU_GMC_HOLE_END;
+                        dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
                 }
                 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
                 dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;