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drm/amd/powerplay: add voltage change support through pp_table 

Disable avfs to make voltage change take effect.

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2017-03-01 15:49:31 -05:00 committed by Alex Deucher
parent a33c1a822c
commit dd4bdf3b35
2 changed files with 12 additions and 1 deletions
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12
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
View File

@ -750,7 +750,17 @@ static int pp_dpm_set_pp_table(void *handle, const char *buf, size_t size)
hwmgr->soft_pp_table = hwmgr->hardcode_pp_table;
return amd_powerplay_reset(handle);
ret = amd_powerplay_reset(handle);
if (ret)
return ret;
if (hwmgr->hwmgr_func->avfs_control) {
ret = hwmgr->hwmgr_func->avfs_control(hwmgr, false);
if (ret)
return ret;
}
return 0;
}
static int pp_dpm_force_clock_level(void *handle,

1
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
View File

@ -360,6 +360,7 @@ struct pp_hwmgr_func {
int (*release_firmware)(struct pp_hwmgr *hwmgr);
int (*set_power_profile_state)(struct pp_hwmgr *hwmgr,
struct amd_pp_profile *request);
int (*avfs_control)(struct pp_hwmgr *hwmgr, bool enable);
};
struct pp_table_func {