drm/i915: check the power well on i915_pipe_enabled
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.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 03a31be..161101f 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -384,6 +384,10 @@
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;
}