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.
v2: Use the new intel_display_power_enabled().
v3: Use the new domains for intel_display_power_enabled().
Signed-off-by: Paulo Zanoni <paulo.r.zan...@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 dae8953..124b2eb 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -391,6 +391,10 @@ i915_pipe_enabled(struct drm_device *dev, int pipe)
enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
pipe);
+ if (!intel_display_power_enabled(dev,
+ POWER_DOMAIN_TRANSCODER(cpu_transcoder)))
+ return false;
+
return I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_ENABLE;
}
--
1.7.10.4
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