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. Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com> --- drivers/gpu/drm/i915/i915_irq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 29b1bb1..aefc674 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -129,6 +129,9 @@ i915_pipe_enabled(struct drm_device *dev, int pipe) enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, pipe); + if (intel_power_well_is_down(dev) && cpu_transcoder != TRANSCODER_EDP) + return false; + return I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_ENABLE; } -- 1.7.10.4
