From: Paulo Zanoni <paulo.r.zan...@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.zan...@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
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
