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authorVijendar Mukunda <Vijendar.Mukunda@amd.com>2023-07-25 14:16:26 +0530
committerPierre-Loup A. Griffais <pgriffais@valvesoftware.com>2023-11-02 16:07:51 -0700
commit8e99240f4a31cce43f09bf175fe062fab5097b3d (patch)
treef493a929199e0253b42d5be108f954dcd076baab
parent77572bf1ae48d7d3a2c063975897ea568b57346b (diff)
downloadlinux-8e99240f4a31cce43f09bf175fe062fab5097b3d.tar.gz
ASoC: SOF: amd: clear panic mask status when panic occurs
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>
-rw-r--r--sound/soc/sof/amd/acp-ipc.c4
1 files changed, 4 insertions, 0 deletions
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;
 	}