Change-Id: I68049a20a6980febe63ecc0028143564f5742892
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 7fb9137..a1caa96 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -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);
}
}
--
1.9.1
