From: Ajye Huang ajye_huang@compal.corp-partner.google.com
The Skyrim project and Whiterun met error when DSP loading during device boot. Ex, error in kernel log, ERR kernel: [ 16.124537] snd_sof_amd_rembrandt 0000:04:00.5: PSP validation failed.
Use the snd_sof_dsp_read_poll_timeout function to successfully read the FW_QUALIFIER register
Signed-off-by: Ajye Huang ajye_huang@compal.corp-partner.google.com Signed-off-by: V sujith kumar Reddy Vsujithkumar.Reddy@amd.com --- sound/soc/sof/amd/acp.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index 47115a77c92c..6bd2888fbb66 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -255,10 +255,12 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr, if (ret) return ret;
- fw_qualifier = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SHA_DSP_FW_QUALIFIER); - if (!(fw_qualifier & DSP_FW_RUN_ENABLE)) { + ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SHA_DSP_FW_QUALIFIER, + fw_qualifier, fw_qualifier & DSP_FW_RUN_ENABLE, + ACP_REG_POLL_INTERVAL, ACP_DMA_COMPLETE_TIMEOUT_US); + if (ret < 0) { dev_err(sdev->dev, "PSP validation failed\n"); - return -EINVAL; + return ret; }
return 0;