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authorAlex Deucher <alexander.deucher@amd.com>2017-04-18 00:34:42 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-05-02 20:16:07 +0300
commitfca4ce697f304e5d1f739399d97cbfb2b918fa7f (patch)
tree1f8bc0b99166294031e189bfac388dfeb828fb40 /drivers/gpu/drm/amd
parent0274a9c55614a5c89dd04bca376dbe252f5ea334 (diff)
downloadlinux-fca4ce697f304e5d1f739399d97cbfb2b918fa7f.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c5
1 files changed, 5 insertions, 0 deletions
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;