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drm/amd/powerplay: fix vce cg logic error on CZ/St.

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can fix Bug 191281: vce ib test failed.

when vce idle, set vce clock gate, so the clock
in vce domain will be disabled.
when need to encode, disable vce clock gate,
enable the clocks to vce engine.

Signed-off-by: Rex Zhu <Rex.Zhu@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 2017-01-10 19:26:49 +08:00 committed by Alex Deucher
parent a628392cf0
commit 3731d12dce
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
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@ -200,7 +200,7 @@ int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
cgs_set_clockgating_state(
hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_CG_STATE_UNGATE);
AMD_CG_STATE_GATE);
cgs_set_powergating_state(
hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
@ -218,7 +218,7 @@ int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
cgs_set_clockgating_state(
hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_PG_STATE_GATE);
AMD_PG_STATE_UNGATE);
cz_dpm_update_vce_dpm(hwmgr);
cz_enable_disable_vce_dpm(hwmgr, true);
return 0;