As per design, set IPC conf structure flags to zero during acp init sequence. Link: https://github.com/thesofproject/linux/pull/5642 Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Tested-by: Umang Jain <uajain@igalia.com> --- sound/soc/sof/amd/acp.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index f615b8d1c802..e6af8927baa0 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -377,6 +377,33 @@ void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, snd_sof_dsp_write(sdev, ACP_DSP_BAR, reg_offset + i, src[j]); } +static int acp_init_scratch_mem_ipc_flags(struct snd_sof_dev *sdev) +{ + u32 dsp_msg_write, dsp_ack_write, host_msg_write, host_ack_write; + + dsp_msg_write = sdev->debug_box.offset + + offsetof(struct scratch_ipc_conf, sof_dsp_msg_write); + dsp_ack_write = sdev->debug_box.offset + + offsetof(struct scratch_ipc_conf, sof_dsp_ack_write); + host_msg_write = sdev->debug_box.offset + + offsetof(struct scratch_ipc_conf, sof_host_msg_write); + host_ack_write = sdev->debug_box.offset + + offsetof(struct scratch_ipc_conf, sof_host_ack_write); + /* Initialize host message write flag */ + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_msg_write, 0); + + /* Initialize host ack write flag */ + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_ack_write, 0); + + /* Initialize DSP message write flag */ + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_msg_write, 0); + + /* Initialize DSP ack write flag */ + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_ack_write, 0); + + return 0; +} + static int acp_memory_init(struct snd_sof_dev *sdev) { struct acp_dev_data *adata = sdev->pdata->hw_pdata; @@ -384,6 +411,7 @@ static int acp_memory_init(struct snd_sof_dev *sdev) snd_sof_dsp_update_bits(sdev, ACP_DSP_BAR, desc->dsp_intr_base + DSP_SW_INTR_CNTL_OFFSET, ACP_DSP_INTR_EN_MASK, ACP_DSP_INTR_EN_MASK); + acp_init_scratch_mem_ipc_flags(sdev); init_dma_descriptor(adata); return 0; -- 2.48.1