drm/amdgpu: align frag_end to covered address space

align frag_end to the next pd when there are no
page table entries on the current pde.
This fixes invalidation of larger address space areas
where some page tables are allocated and other aren't.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index a4efc903349e905142dfc9f92f90581ae72ce6e4..2b65e83c808b17d9d4e2b0ca6da966fa5cbc154f 100644 (file)
--- 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 */