drm/amdgpu/gfx8: add additional MQD initialization

Need to properly set the MTYPE and ROQ space setting.
This should fix performance regressions with KIQ enabled.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 758d636..089bd49 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4815,6 +4815,20 @@ 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;