diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index bec1f9ffba2d..f024e7dcc2c7 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4053,6 +4053,9 @@ void intel_set_power_well(struct drm_device *dev, bool enable) bool is_enabled, enable_requested; uint32_t tmp; + if (!IS_HASWELL(dev)) + return; + tmp = I915_READ(HSW_PWR_WELL_DRIVER); is_enabled = tmp & HSW_PWR_WELL_STATE; enable_requested = tmp & HSW_PWR_WELL_ENABLE; |