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drm: i915: Fix audio issue on BXT

Message ID 1522916223-9927-1-git-send-email-gaurav.k.singh@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gaurav K Singh April 5, 2018, 8:17 a.m. UTC 
On Apollolake, with stress test warm reboot, audio card
was not getting enumerated after reboot. This was a
spurious issue happening on Apollolake. HW codec and
HD audio controller link was going out of sync for which
there was a fix in i915 driver but was not getting invoked
for BXT. Extending this fix to BXT as well.

Tested on apollolake chromebook by stress test warm reboot
with 2500 iterations.

Bspec: 21829

Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
---
 drivers/gpu/drm/i915/intel_audio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 709d6ca68074..656f6c931341 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -729,7 +729,7 @@  static void i915_audio_component_codec_wake_override(struct device *kdev,
 	struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
 	u32 tmp;
 
-	if (!IS_GEN9_BC(dev_priv))
+	if (!IS_GEN9_BC(dev_priv) && !IS_BROXTON(dev_priv))
 		return;
 
 	i915_audio_component_get_power(kdev);