From: Paulo Zanoni <paulo.r.zanoni at intel.com> This fixes "unclaimed register" messages when the power well is disabled and there's a GPU hang. v2: Use the new intel_display_power_enabled(). Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com> --- drivers/gpu/drm/i915/i915_irq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 932e7f8..fda2998 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -184,6 +184,10 @@ i915_pipe_enabled(struct drm_device *dev, int pipe) enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, pipe); + if (cpu_transcoder != TRANSCODER_EDP && + !intel_display_power_enabled(dev, POWER_DOMAIN_OTHER)) + return false; + return I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_ENABLE; } -- 1.7.10.4