提交 8d44e604 编写于 作者: M Mohan Kumar 提交者: Takashi Iwai

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: NMohan Kumar <mkumard@nvidia.com>
Link: https://lore.kernel.org/r/20220905172420.3801-1-mkumard@nvidia.comSigned-off-by: NTakashi Iwai <tiwai@suse.de>
上级 51bdc8bb
......@@ -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;
......
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