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drm/amdgpu/gfx9: add additional MQD initialization 

Need to properly set the ROQ space setting.

Reviewed-by: monk liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-04-17 17:34:42 -04:00
parent 0274a9c556
commit fca4ce697f
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@ -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;