Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: cache the complete pde
Makes it easier to update the PDE with huge pages.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Christian König
and committed by
Alex Deucher
53e2e91d
bb37b67d
+5
-11
+5
-11
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+5
-11
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
···
985
985
}
986
986
987
987
pt = amdgpu_bo_gpu_offset(bo);
988
+
pt = amdgpu_gart_get_vm_pde(adev, pt);
988
989
if (parent->entries[pt_idx].addr == pt)
989
990
continue;
990
991
···
997
996
(count == AMDGPU_VM_MAX_UPDATE_SIZE)) {
998
997
999
998
if (count) {
1000
-
uint64_t entry;
1001
-
1002
-
entry = amdgpu_gart_get_vm_pde(adev, last_pt);
1003
999
if (shadow)
1004
1000
amdgpu_vm_do_set_ptes(¶ms,
1005
1001
last_shadow,
1006
-
entry, count,
1002
+
last_pt, count,
1007
1003
incr,
1008
1004
AMDGPU_PTE_VALID);
1009
1005
1010
1006
amdgpu_vm_do_set_ptes(¶ms, last_pde,
1011
-
entry, count, incr,
1007
+
last_pt, count, incr,
1012
1008
AMDGPU_PTE_VALID);
1013
1009
}
1014
1010
···
1019
1021
}
1020
1022
1021
1023
if (count) {
1022
-
uint64_t entry;
1023
-
1024
-
entry = amdgpu_gart_get_vm_pde(adev, last_pt);
1025
-
1026
1024
if (vm->root.bo->shadow)
1027
-
amdgpu_vm_do_set_ptes(¶ms, last_shadow, entry,
1025
+
amdgpu_vm_do_set_ptes(¶ms, last_shadow, last_pt,
1028
1026
count, incr, AMDGPU_PTE_VALID);
1029
1027
1030
-
amdgpu_vm_do_set_ptes(¶ms, last_pde, entry,
1028
+
amdgpu_vm_do_set_ptes(¶ms, last_pde, last_pt,
1031
1029
count, incr, AMDGPU_PTE_VALID);
1032
1030
}
1033
1031