Reviewed-by: monk liu <monk.liu at amd.com> -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Alex Deucher Sent: Tuesday, May 02, 2017 6:29 AM To: amd-gfx at lists.freedesktop.org Cc: Deucher, Alexander <Alexander.Deucher at amd.com> Subject: [PATCH 02/12] drm/amdgpu/gfx9: add additional MQD initialization Need to properly set the ROQ space setting. Signed-off-by: Alex Deucher <alexander.deucher at amd.com> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index b62f4e3..1b68465 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1970,6 +1970,11 @@ static int gfx_v9_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 MIN_IB_AVAIL_SIZE */ + tmp = RREG32_SOC15(GC, 0, mmCP_HQD_IB_CONTROL); + tmp = REG_SET_FIELD(tmp, CP_HQD_IB_CONTROL, MIN_IB_AVAIL_SIZE, 3); + mqd->cp_hqd_ib_control = tmp; + /* activate the queue */ mqd->cp_hqd_active = 1; -- 2.5.5 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
