]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915/audio: fix hdmi audio noise issue
authorLibin Yang <libin.yang@intel.com>
Fri, 11 Nov 2016 08:46:28 +0000 (16:46 +0800)
committerJani Nikula <jani.nikula@intel.com>
Thu, 24 Nov 2016 14:42:42 +0000 (16:42 +0200)
commitc57a2fd166c12ca9f1142fba1dd579f79fbda321
treed9d581fe21bc11221ee151a51c67b4a0bc7abdf1
parentde5adec3182a6894f62d5e356cdebdc8a77026c1
drm/i915/audio: fix hdmi audio noise issue

Some monitors will have noise or even no sound after
applying the patch 49638897.

In patch 49638897, it will reset the cts value to 0 for HDMI.
However, we need to disable Enable CTS or M Prog bit. This is
the initial setting after HW reset.

Fixes: 49638897a7f4 ("drm/i915/audio: set proper N/M in modeset")
Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1478853988-139842-1-git-send-email-libin.yang@intel.com
drivers/gpu/drm/i915/intel_audio.c