From 6ea239adc2a712eb318f04f5c29b018ba65ea38a Mon Sep 17 00:00:00 2001 From: Tianci Yin Date: Wed, 23 Mar 2022 23:54:58 +0800 Subject: [PATCH] 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: James Zhu Signed-off-by: Tianci Yin Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c index b16c56a..0d59018 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c @@ -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) { + struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE}; uint32_t tmp; + vcn_v3_0_pause_dpg_mode(adev, 0, &state); + /* Wait for power status to be 1 */ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); -- 2.7.4