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Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index d152ceca5d37..acec26b70d0d 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -561,9 +561,12 @@ void r600_pm_misc(struct radeon_device *rdev) struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; struct radeon_voltage *voltage = &ps->clock_info[0].voltage; - if ((voltage->type == VOLTAGE_SW) && voltage->voltage) - radeon_atom_set_voltage(rdev, voltage->voltage); - + if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { + if (voltage->voltage != rdev->pm.current_vddc) { + radeon_atom_set_voltage(rdev, voltage->voltage); + rdev->pm.current_vddc = voltage->voltage; + } + } } bool r600_gui_idle(struct radeon_device *rdev) |