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add common fan control asic callbacks 

Adds 4 callbacks for managing fan state/speed
* fan_ctrl_set_mode - manages fan control mode (nonzero == manual)
* fan_ctrl_get_mode - queries fan control mode
* set_fan_speed_percent - manages fan speed as percentage value
* get_fan_speed_percent - queries fan speed as percentage value

Signed-off-by: Oleg Chernovskiy <algonkvel@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oleg Chernovskiy 2014-12-08 00:10:44 +03:00 committed by Alex Deucher
parent 16613743ad
commit a35a4b2b18
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/radeon/radeon.h
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@ -1967,6 +1967,10 @@ struct radeon_asic {
bool (*vblank_too_short)(struct radeon_device *rdev);
void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
void (*enable_bapm)(struct radeon_device *rdev, bool enable);
void (*fan_ctrl_set_mode)(struct radeon_device *rdev, u32 mode);
u32 (*fan_ctrl_get_mode)(struct radeon_device *rdev);
int (*set_fan_speed_percent)(struct radeon_device *rdev, u32 speed);
int (*get_fan_speed_percent)(struct radeon_device *rdev, u32 *speed);
} dpm;
/* pageflipping */
struct {