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| author |   Mohan Kumar <mkumard@nvidia.com> | 2022-09-05 22:54:20 +0530 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2022-09-06 07:13:32 +0200 |
| commit | 8d44e6044a0e885acdd01813768a0b27906d64fd (patch) | |
| tree | 1f7a9cd10ad69088bfd80105070aa3892638bd6b /sound/pci | |
| parent | ALSA: hda/sigmatel: Fix unused variable warning for beep power change (diff) | |
| download | linux-dev-8d44e6044a0e885acdd01813768a0b27906d64fd.tar.xz linux-dev-8d44e6044a0e885acdd01813768a0b27906d64fd.zip | |
ALSA: hda/tegra: Align BDL entry to 4KB boundary
AZA HW may send a burst read/write request crossing 4K memory boundary.
The 4KB boundary is not guaranteed by Tegra HDA HW. Make SW change to
include the flag AZX_DCAPS_4K_BDLE_BOUNDARY to align BDLE to 4K
boundary.
Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
Link: https://lore.kernel.org/r/20220905172420.3801-1-mkumard@nvidia.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_tegra.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index 7debb2c76aa6..976a112c7d00 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -474,7 +474,8 @@ MODULE_DEVICE_TABLE(of, hda_tegra_match); static int hda_tegra_probe(struct platform_device *pdev) { const unsigned int driver_flags = AZX_DCAPS_CORBRP_SELF_CLEAR | - AZX_DCAPS_PM_RUNTIME; + AZX_DCAPS_PM_RUNTIME | + AZX_DCAPS_4K_BDLE_BOUNDARY; struct snd_card *card; struct azx *chip; struct hda_tegra *hda; |