Am 08.04.2017 um 00:00 schrieb Alex Deucher: > Need to properly set the MTYPE and ROQ space setting. > This should fix performance regressions with KIQ enabled. > > Signed-off-by: Alex Deucher <alexander.deucher at amd.com> Reviewed-by: Christian König <christian.koenig at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c > index 7adeab3..11ca155 100644 > --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c > @@ -4855,6 +4855,20 @@ static int gfx_v8_0_mqd_init(struct amdgpu_ring *ring) > tmp = REG_SET_FIELD(tmp, CP_HQD_PERSISTENT_STATE, PRELOAD_SIZE, 0x53); > mqd->cp_hqd_persistent_state = tmp; > > + /* set MTYPE */ > + tmp = RREG32(mmCP_HQD_IB_CONTROL); > + tmp = REG_SET_FIELD(tmp, CP_HQD_IB_CONTROL, MIN_IB_AVAIL_SIZE, 3); > + tmp = REG_SET_FIELD(tmp, CP_HQD_IB_CONTROL, MTYPE, 3); > + mqd->cp_hqd_ib_control = tmp; > + > + tmp = RREG32(mmCP_HQD_IQ_TIMER); > + tmp = REG_SET_FIELD(tmp, CP_HQD_IQ_TIMER, MTYPE, 3); > + mqd->cp_hqd_iq_timer = tmp; > + > + tmp = RREG32(mmCP_HQD_CTX_SAVE_CONTROL); > + tmp = REG_SET_FIELD(tmp, CP_HQD_CTX_SAVE_CONTROL, MTYPE, 3); > + mqd->cp_hqd_ctx_save_control = tmp; > + > /* activate the queue */ > mqd->cp_hqd_active = 1; >