drm/amdgpu: allow fragment processing for invalid PTEs

That should improve the PRT performance on Vega quite a bit.

Signed-off-by: Christian König <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Acked-by: Junwei Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 2d2d6197c3dcc3128d22939b8c7b246f6f72f754..dd5a0cdd67bc0319be56fa3f0dba46b2c9993eb0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1552,7 +1552,7 @@ static void amdgpu_vm_fragment(struct amdgpu_pte_update_params *params,
                max_frag = 31;
 
        /* system pages are non continuously */
-       if (params->src || !(flags & AMDGPU_PTE_VALID)) {
+       if (params->src) {
                *frag = 0;
                *frag_end = end;
                return;