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| author |   Alex Deucher <alexander.deucher@amd.com> | 2014-09-08 02:51:49 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-11-12 11:56:33 -0500 |
| commit | 9b92d1ec62d515c28bb579466e2397ab20c1735a (patch) | |
| tree | 920fe05431faa37f3b1618cc9b4ac3e84b3f945b /drivers/gpu/drm/radeon/radeon_atombios.c | |
| parent | drm/ttm: Use only DRM_MM_SEARCH_BELOW for TTM_PL_FLAG_TOPDOWN (diff) | |
| download | linux-dev-9b92d1ec62d515c28bb579466e2397ab20c1735a.tar.xz linux-dev-9b92d1ec62d515c28bb579466e2397ab20c1735a.zip | |
drm/radeon/dpm: grab fan info from vbios
Required for fan control support.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index df69b92ba164..9beadf87056e 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2248,6 +2248,14 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r /* add the i2c bus for thermal/fan chip */ if (controller->ucType > 0) { + if (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN) + rdev->pm.no_fan = true; + rdev->pm.fan_pulses_per_revolution = + controller->ucFanParameters & ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK; + if (rdev->pm.fan_pulses_per_revolution) { + rdev->pm.fan_min_rpm = controller->ucFanMinRPM; + rdev->pm.fan_max_rpm = controller->ucFanMaxRPM; + } if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) { DRM_INFO("Internal thermal controller %s fan control\n", (controller->ucFanParameters & |