Dumps annoying noise into the dmesg: [drm:intel_set_power_well] *ERROR* Timeout enabling power well Reported-by: Sedat Dilek <sedat.dilek at gmail.com> Cc: Sedat Dilek <sedat.dilek at gmail.com> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> --- drivers/gpu/drm/i915/intel_pm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 64d65f5..703219c 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; -- 1.7.10.4