[PATCH] drm/amdgpu: align frag_end to covered address space

Alex Sierra alex.sierra at amd.com
Mon Oct 5 14:40:59 UTC 2020


align frag_end to the next pd when there are no
page table entries on the current pde.

Signed-off-by: Alex Sierra <alex.sierra at amd.com>
Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b41517d0f00c..3cd949aad500 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1502,6 +1502,8 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params,
 
 			pt = cursor.entry->base.bo;
 			shift = parent_shift;
+			frag_end = max(frag_end, ALIGN(frag_start + 1,
+				   1ULL << shift));
 		}
 
 		/* Looks good so far, calculate parameters for the update */
-- 
2.17.1



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