The number of kernel queues has impact on the latency under sriov
usecase. So to reduce the latency we set the default num_kcq = 2 under
sriov if not set manually.
Signed-off-by: YuBiao Wang <YuBiao.Wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
/* enable mcbp for sriov */
amdgpu_mcbp = 1;
+ /* Reduce kcq number to 2 to reduce latency */
+ if (amdgpu_num_kcq == -1)
+ amdgpu_num_kcq = 2;
}
void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,