Make sure to set the quantum bits in the compute MQD for better fairness across queues of the same priority.
Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 2b691452775bc..65b8497ad5f02 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2819,6 +2819,7 @@ static void gfx_v7_0_mqd_init(struct amdgpu_device *adev, { u64 hqd_gpu_addr; u64 wb_gpu_addr; + u32 tmp; /* init the mqd struct */ memset(mqd, 0, sizeof(struct cik_mqd)); @@ -2923,7 +2924,11 @@ static void gfx_v7_0_mqd_init(struct amdgpu_device *adev, mqd->cp_hqd_atomic1_preop_lo = RREG32(mmCP_HQD_ATOMIC1_PREOP_LO); mqd->cp_hqd_atomic1_preop_hi = RREG32(mmCP_HQD_ATOMIC1_PREOP_HI); mqd->cp_hqd_pq_rptr = RREG32(mmCP_HQD_PQ_RPTR); - mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM); + tmp = RREG32(mmCP_HQD_QUANTUM); + tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_EN, 1); + tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_SCALE, 1); + tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_DURATION, 10); + mqd->cp_hqd_quantum = tmp; mqd->cp_hqd_pipe_priority = RREG32(mmCP_HQD_PIPE_PRIORITY); mqd->cp_hqd_queue_priority = RREG32(mmCP_HQD_QUEUE_PRIORITY); mqd->cp_hqd_iq_rptr = RREG32(mmCP_HQD_IQ_RPTR); -- 2.53.0
