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[6/7] ASoC: SOF: amd: clear panic mask status when panic occurs

Message ID 20230823073340.2829821-6-Vijendar.Mukunda@amd.com (mailing list archive)
State Accepted
Commit 3d02e1c439b4140215b624d423aa3c7554b17a5a
Headers show
Series [1/7] ASoC: SOF: amd: remove unused sha dma interrupt code | expand

Commit Message

Vijendar Mukunda Aug. 23, 2023, 7:33 a.m. UTC 
Due to scratch memory persistence, Once the DSP panic is reported, need to
clear the panic mask after handling DSP panic. Otherwise, It results in DSP
panic on next reboot.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
 sound/soc/sof/amd/acp-ipc.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c
index 81a2c096a185..fcb54f545fea 100644
--- a/sound/soc/sof/amd/acp-ipc.c
+++ b/sound/soc/sof/amd/acp-ipc.c
@@ -170,6 +170,8 @@  irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context)
 		if ((status & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
 			snd_sof_dsp_panic(sdev, sdev->dsp_box.offset + sizeof(status),
 					  true);
+			status = 0;
+			acp_mailbox_write(sdev, sdev->dsp_box.offset, &status, sizeof(status));
 			return IRQ_HANDLED;
 		}
 		snd_sof_ipc_msgs_rx(sdev);
@@ -199,6 +201,8 @@  irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context)
 	acp_mailbox_read(sdev, sdev->debug_box.offset, &status, sizeof(u32));
 	if ((status & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
 		snd_sof_dsp_panic(sdev, sdev->dsp_oops_offset, true);
+		status = 0;
+		acp_mailbox_write(sdev, sdev->debug_box.offset, &status, sizeof(status));
 		return IRQ_HANDLED;
 	}