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drm/amdgpu: power down/up uvd4 when smu disabled.

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Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-01-20 15:07:47 +08:00 committed by Alex Deucher
parent cbd9262f80
commit 3a78696658
1 changed files with 16 additions and 1 deletions
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17
drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
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@ -198,7 +198,6 @@ static int uvd_v4_2_hw_init(void *handle)
amdgpu_ring_commit(ring);
done:
if (!r)
DRM_INFO("UVD initialized successfully.\n");
@ -694,8 +693,24 @@ static int uvd_v4_2_set_powergating_state(void *handle,
if (state == AMD_PG_STATE_GATE) {
uvd_v4_2_stop(adev);
if (adev->pg_flags & AMD_PG_SUPPORT_UVD && amdgpu_dpm == 0) {
if (!(RREG32_SMC(ixCURRENT_PG_STATUS) & 0x4)) {
WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK |
UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_DOWN_MASK |
UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK));
mdelay(20);
}
}
return 0;
} else {
if (adev->pg_flags & AMD_PG_SUPPORT_UVD && amdgpu_dpm == 0) {
if (RREG32_SMC(ixCURRENT_PG_STATUS) & 0x4) {
WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK |
UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_UP_MASK |
UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK));
mdelay(30);
}
}
return uvd_v4_2_start(adev);
}
}