From: Jammy Zhou <jammy.z...@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 1 +
include/uapi/drm/amdgpu_drm.h | 2 ++
2 files changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 02c450d..35185d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -428,6 +428,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void
*data, struct drm_file
if (adev->flags & AMDGPU_IS_APU)
dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
+ dev_info.virtual_address_max =
(uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
dev_info.virtual_address_alignment = max(PAGE_SIZE, 0x10000UL);
dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
AMDGPU_GPU_PAGE_SIZE;
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index fb428fe..65da7cd 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -560,6 +560,8 @@ struct drm_amdgpu_info_device {
uint64_t ids_flags;
/** Starting virtual address for UMDs. */
uint64_t virtual_address_offset;
+ /** The maximum virtual address */
+ uint64_t virtual_address_max;
/** Required alignment of virtual addresses. */
uint32_t virtual_address_alignment;
/** Page table entry - fragment size */
--
1.8.3.1
