ALSA: hda/core: Log stream DMA errors on interrupt

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The stream descriptor status register reports FIFO and descriptor
errors, but these are currently cleared silently along with the rest
of the interrupt status. Log them, rate-limited, so DMA problems are
visible instead of only manifesting as audible glitches.

Observed on some AMD GPU HDMI audio controllers under specific low power
circumstances.

Signed-off-by: Arun Raghavan <arunr@valvesoftware.com>
Cc: Arun Raghavan <arun@arunraghavan.net>
Link: https://patch.msgid.link/20260803-master-v1-1-9bcedb736978@valvesoftware.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Arun Raghavan 2026-08-03 15:07:52 -07:00 • committed by Takashi Iwai

parent 1c03dd434e

commit dc9edf5878

1 changed files with 5 additions and 0 deletions

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sound/hda/core/controller.c

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