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drm/radeon: bind fan control on SI cards to hwmon interface

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This adds a possibility to control fan on SI parts
via exported hwmon variables. Note that automatic
ucode fan management pauses if you choose to enable
manual fan control.  Use with caution!

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2015-01-07 15:29:06 -05:00
parent 36689e5750
commit 5e8150a687
4 changed files with 62 additions and 14 deletions
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1
drivers/gpu/drm/radeon/si_dpm.h
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@@ -202,6 +202,7 @@ struct si_power_info {
bool fan_ctrl_is_in_default_mode;
u32 t_min;
u32 fan_ctrl_default_mode;
bool fan_is_controlled_by_smc;
};
#define SISLANDS_INITIAL_STATE_ARB_INDEX 0