github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-10-13 22:01:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ASoC: SOF: amd: mask ACP7x PGFSM status poll

Browse Source 
For ACP7.B/7.F, poll only the PGFSM tile status bits (P0-P4) and
consider the tiles powered on when the masked status becomes 0.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260701095759.1012929-4-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2026-07-01 15:25:04 +05:30 committed by Mark Brown
parent 0ec5afad9d
commit 237efba38c
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sound/soc/sof/amd/acp.c
View File

@ -577,6 +577,7 @@ static int acp_power_on(struct snd_sof_dev *sdev)
unsigned int base = desc->pgfsm_base;
unsigned int val;
unsigned int acp_pgfsm_status_mask, acp_pgfsm_cntl_mask;
bool use_masked_status = false;
int ret;
val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, base + PGFSM_STATUS_OFFSET);
@ -605,6 +606,7 @@ static int acp_power_on(struct snd_sof_dev *sdev)
case ACP7F_PCI_ID:
acp_pgfsm_status_mask = ACP7X_PGFSM_STATUS_MASK;
acp_pgfsm_cntl_mask = ACP7X_PGFSM_CNTL_POWER_ON_MASK;
use_masked_status = true;
break;
default:
return -EINVAL;
@ -614,9 +616,17 @@ static int acp_power_on(struct snd_sof_dev *sdev)
snd_sof_dsp_write(sdev, ACP_DSP_BAR, base + PGFSM_CONTROL_OFFSET,
acp_pgfsm_cntl_mask);
ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, base + PGFSM_STATUS_OFFSET, val,
!val, ACP_REG_POLL_INTERVAL,
ACP_REG_POLL_TIMEOUT_US);
if (use_masked_status)
ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR,
base + PGFSM_STATUS_OFFSET, val,
!(val & acp_pgfsm_status_mask),
ACP_REG_POLL_INTERVAL,
ACP_REG_POLL_TIMEOUT_US);
else
ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR,
base + PGFSM_STATUS_OFFSET, val,
!val, ACP_REG_POLL_INTERVAL,
ACP_REG_POLL_TIMEOUT_US);
if (ret < 0)
dev_err(sdev->dev, "timeout in ACP_PGFSM_STATUS read\n");