From: Alex Xie AlexBin.Xie@amd.com
Use == instead of != in the if statement to make code easier understood
Signed-off-by: Alex Xie AlexBin.Xie@amd.com Reviewed-by: Christian König christian.koenig@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 22fa4f8..0c17348 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -780,8 +780,13 @@ static void amdgpu_vm_update_ptes(struct amdgpu_device *adev, next_pe_start = amdgpu_bo_gpu_offset(pt); next_pe_start += (addr & mask) * 8;
- if (cur_pe_end != next_pe_start) { - + if (cur_pe_end == next_pe_start) { + /* The next ptb is consecutive to current ptb. + * Don't call amdgpu_vm_frag_ptes now. + * Will update two ptbs together in future. + */ + cur_pe_end += 8 * nptes; + } else { amdgpu_vm_frag_ptes(adev, vm_update_params, cur_pe_start, cur_pe_end, cur_dst, flags); @@ -789,8 +794,6 @@ static void amdgpu_vm_update_ptes(struct amdgpu_device *adev, cur_pe_start = next_pe_start; cur_pe_end = next_pe_start + 8 * nptes; cur_dst = dst; - } else { - cur_pe_end += 8 * nptes; }
addr += nptes;