AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/sound/hda
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Kai Vehmanen 8e85def572 ALSA: hda: enable regmap internal locking 
This reverts commit 42ec336f1f ("ALSA: hda: Disable regmap
internal locking").

Without regmap locking, there is a race between snd_hda_codec_amp_init()
and PM callbacks issuing regcache_sync(). This was caught by
following kernel warning trace:

<4> [358.080081] WARNING: CPU: 2 PID: 4157 at drivers/base/regmap/regcache.c:498 regcache_cache_only+0xf5/0x130
[...]
<4> [358.080148] Call Trace:
<4> [358.080158]  snd_hda_codec_amp_init+0x4e/0x100 [snd_hda_codec]
<4> [358.080169]  snd_hda_codec_amp_init_stereo+0x40/0x80 [snd_hda_codec]

Suggested-by: Takashi Iwai <tiwai@suse.de>
BugLink: https://gitlab.freedesktop.org/drm/intel/issues/592
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200108180856.5194-1-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-01-08 20:10:08 +01:00
..
ext ALSA: hdac: clear link output stream mapping 2019-10-07 03:58:48 +02:00
array.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
hda_bus_type.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
hdac_bus.c ALSA: hda: Unexport a few more stuff 2019-08-14 20:00:56 +02:00
hdac_component.c Linux 5.1-rc5 2019-04-15 15:51:49 +10:00
hdac_controller.c Revert "ALSA: hda: Flush interrupts on disabling" 2019-10-28 11:47:59 +01:00
hdac_device.c Revert "ALSA: hda: Add codec on bus address table lately" 2019-08-15 21:43:05 +02:00
hdac_i915.c ALSA: hda: Fix 1-minute detection delay when i915 module is not available 2019-07-27 08:31:46 +02:00
hdac_regmap.c ALSA: hda: enable regmap internal locking 2020-01-08 20:10:08 +01:00
hdac_stream.c ALSA: hda: Fix regression by strip mask fix 2019-12-14 18:54:47 +01:00
hdac_sysfs.c ALSA: hda: Simplify snd_hdac_refresh_widgets() 2019-07-05 12:01:06 +02:00
hdmi_chmap.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
intel-dsp-config.c ALSA: hda: Allow non-Intel device probe gracefully 2019-10-28 16:09:02 +01:00
intel-nhlt.c ALSA: hda: add Intel DSP configuration / probe code 2019-10-23 06:31:37 +02:00
Kconfig ALSA: hda: add Intel DSP configuration / probe code 2019-10-23 06:31:37 +02:00
local.h ALSA: hda: Unexport a few more stuff 2019-08-14 20:00:56 +02:00
Makefile ALSA: hda: add Intel DSP configuration / probe code 2019-10-23 06:31:37 +02:00
trace.c
trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00