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drm/amdgpu/cz: plumb pg flags through to powerplay

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Enable vce and uvd pg based on single set of pg flags.

Reviewed-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-02-05 11:23:28 -05:00
parent 52b52a8781
commit db5cffcd2b
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
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@ -174,6 +174,8 @@ static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr)
{
struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
uint32_t i;
struct cgs_system_info sys_info = {0};
int result;
cz_hwmgr->gfx_ramp_step = 256*25/100;
@ -251,6 +253,17 @@ static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr)
PHM_PlatformCaps_UVDPowerGating);
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_VCEPowerGating);
sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_PG_FLAGS;
result = cgs_query_system_info(hwmgr->device, &sys_info);
if (!result) {
if (sys_info.value & AMD_PG_SUPPORT_UVD)
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_UVDPowerGating);
if (sys_info.value & AMD_PG_SUPPORT_VCE)
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_VCEPowerGating);
}
return 0;
}