]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915/audio: Fix audio enumeration issue on BXT
authorGaurav K Singh <gaurav.k.singh@intel.com>
Thu, 5 Apr 2018 16:42:24 +0000 (22:12 +0530)
committerJani Nikula <jani.nikula@intel.com>
Fri, 6 Apr 2018 08:37:29 +0000 (11:37 +0300)
commitf95acac5f8fd9aa8c923cdae8197660ba4243bce
tree5555dc12230a61f6b2024ff7268b0060d0302490
parentbae0649d40950ece76f81490b1d7295348bf314b
drm/i915/audio: Fix audio enumeration issue on BXT

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>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1522946544-11524-1-git-send-email-gaurav.k.singh@intel.com
drivers/gpu/drm/i915/intel_audio.c