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| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2013-05-03 12:15:39 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-05-10 21:56:32 +0200 |
| commit | 71f8ba6b7e44fc525fb15a60997c0c5064c160e6 (patch) | |
| tree | ae47c24b963e03069f76fd1f607ebac0c0585316 | |
| parent | 12d217c795071bfee483158e1397c57e8dc3cb76 (diff) | |
| download | lwn-71f8ba6b7e44fc525fb15a60997c0c5064c160e6.tar.gz lwn-71f8ba6b7e44fc525fb15a60997c0c5064c160e6.zip | |
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>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 03a31befa8fd..161101f42717 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -384,6 +384,10 @@ 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; } |