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drm/amdgpu/vcn: Need to unpause dpg before stop dpg

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Need to unpause dpg first, or it will hit follow error during stop dpg:
"[drm] Register(1) [regUVD_POWER_STATUS] failed to reach value 0x00000001 != 0x00000000n"

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng 2023-06-19 16:09:07 +08:00 committed by Alex Deucher
parent 67af691626
commit 803f31814f
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
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@ -1424,8 +1424,10 @@ static int vcn_v4_0_start_sriov(struct amdgpu_device *adev)
*/
static void vcn_v4_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_v4_0_pause_dpg_mode(adev, inst_idx, &state);
/* Wait for power status to be 1 */
SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);