Commit 6ea239ad authored by Tianci Yin's avatar Tianci Yin Committed by Alex Deucher

drm/amdgpu/vcn: improve vcn dpg stop procedure

Prior to disabling dpg, VCN need unpausing dpg mode, or VCN will hang in
S3 resuming.
Reviewed-by: default avatarJames Zhu <James.Zhu@amd.com>
Signed-off-by: default avatarTianci Yin <tianci.yin@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c5650327
...@@ -1480,8 +1480,11 @@ static int vcn_v3_0_start_sriov(struct amdgpu_device *adev) ...@@ -1480,8 +1480,11 @@ static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx) static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
{ {
struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
uint32_t tmp; uint32_t tmp;
vcn_v3_0_pause_dpg_mode(adev, 0, &state);
/* Wait for power status to be 1 */ /* Wait for power status to be 1 */
SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1, SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
......
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