From fca4ce697f304e5d1f739399d97cbfb2b918fa7f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 17 Apr 2017 17:34:42 -0400 Subject: [PATCH] drm/amdgpu/gfx9: add additional MQD initialization Need to properly set the ROQ space setting. Reviewed-by: monk liu Signed-off-by: Alex Deucher --- 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 178fe11bd7f9..5f2ae4cb510f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1998,6 +1998,11 @@ 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; -- 2.20.1