This is a note to let you know that I've just added the patch titled
media: amphion: handle firmware debug message
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-amphion-handle-firmware-debug-message.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5bd1bc6bd94d8d72007033d37856386104939399
Author: Ming Qian <ming.qian@xxxxxxx>
Date: Thu Sep 7 09:51:00 2023 +0800
media: amphion: handle firmware debug message
[ Upstream commit 6496617b2b06d7004a5cbd53d48f19567d6b018c ]
decoder firmware may notify host some debug message,
it can help analyze the state of the firmware in case of error
Fixes: 9f599f351e86 ("media: amphion: add vpu core driver")
Signed-off-by: Ming Qian <ming.qian@xxxxxxx>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/platform/amphion/vpu_defs.h b/drivers/media/platform/amphion/vpu_defs.h
index 667637eedb5d4..7320852668d64 100644
--- a/drivers/media/platform/amphion/vpu_defs.h
+++ b/drivers/media/platform/amphion/vpu_defs.h
@@ -71,6 +71,7 @@ enum {
VPU_MSG_ID_TIMESTAMP_INFO,
VPU_MSG_ID_FIRMWARE_XCPT,
VPU_MSG_ID_PIC_SKIPPED,
+ VPU_MSG_ID_DBG_MSG,
};
enum VPU_ENC_MEMORY_RESOURSE {
diff --git a/drivers/media/platform/amphion/vpu_helpers.c b/drivers/media/platform/amphion/vpu_helpers.c
index af3b336e5dc32..d12310af9ebce 100644
--- a/drivers/media/platform/amphion/vpu_helpers.c
+++ b/drivers/media/platform/amphion/vpu_helpers.c
@@ -489,6 +489,7 @@ const char *vpu_id_name(u32 id)
case VPU_MSG_ID_UNSUPPORTED: return "unsupported";
case VPU_MSG_ID_FIRMWARE_XCPT: return "exception";
case VPU_MSG_ID_PIC_SKIPPED: return "skipped";
+ case VPU_MSG_ID_DBG_MSG: return "debug msg";
}
return "<unknown>";
}
diff --git a/drivers/media/platform/amphion/vpu_malone.c b/drivers/media/platform/amphion/vpu_malone.c
index f771661980c01..d3425de7bccd3 100644
--- a/drivers/media/platform/amphion/vpu_malone.c
+++ b/drivers/media/platform/amphion/vpu_malone.c
@@ -745,6 +745,7 @@ static struct vpu_pair malone_msgs[] = {
{VPU_MSG_ID_UNSUPPORTED, VID_API_EVENT_UNSUPPORTED_STREAM},
{VPU_MSG_ID_FIRMWARE_XCPT, VID_API_EVENT_FIRMWARE_XCPT},
{VPU_MSG_ID_PIC_SKIPPED, VID_API_EVENT_PIC_SKIPPED},
+ {VPU_MSG_ID_DBG_MSG, VID_API_EVENT_DBG_MSG_DEC},
};
static void vpu_malone_pack_fs_alloc(struct vpu_rpc_event *pkt,
diff --git a/drivers/media/platform/amphion/vpu_msgs.c b/drivers/media/platform/amphion/vpu_msgs.c
index d0ead051f7d18..b74a407a19f22 100644
--- a/drivers/media/platform/amphion/vpu_msgs.c
+++ b/drivers/media/platform/amphion/vpu_msgs.c
@@ -23,6 +23,7 @@
struct vpu_msg_handler {
u32 id;
void (*done)(struct vpu_inst *inst, struct vpu_rpc_event *pkt);
+ u32 is_str;
};
static void vpu_session_handle_start_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt)
@@ -154,7 +155,7 @@ static void vpu_session_handle_error(struct vpu_inst *inst, struct vpu_rpc_event
{
char *str = (char *)pkt->data;
- if (strlen(str))
+ if (*str)
dev_err(inst->dev, "instance %d firmware error : %s\n", inst->id, str);
else
dev_err(inst->dev, "instance %d is unsupported stream\n", inst->id);
@@ -180,6 +181,21 @@ static void vpu_session_handle_pic_skipped(struct vpu_inst *inst, struct vpu_rpc
vpu_inst_unlock(inst);
}
+static void vpu_session_handle_dbg_msg(struct vpu_inst *inst, struct vpu_rpc_event *pkt)
+{
+ char *str = (char *)pkt->data;
+
+ if (*str)
+ dev_info(inst->dev, "instance %d firmware dbg msg : %s\n", inst->id, str);
+}
+
+static void vpu_terminate_string_msg(struct vpu_rpc_event *pkt)
+{
+ if (pkt->hdr.num == ARRAY_SIZE(pkt->data))
+ pkt->hdr.num--;
+ pkt->data[pkt->hdr.num] = 0;
+}
+
static struct vpu_msg_handler handlers[] = {
{VPU_MSG_ID_START_DONE, vpu_session_handle_start_done},
{VPU_MSG_ID_STOP_DONE, vpu_session_handle_stop_done},
@@ -193,9 +209,10 @@ static struct vpu_msg_handler handlers[] = {
{VPU_MSG_ID_PIC_DECODED, vpu_session_handle_pic_decoded},
{VPU_MSG_ID_DEC_DONE, vpu_session_handle_pic_done},
{VPU_MSG_ID_PIC_EOS, vpu_session_handle_eos},
- {VPU_MSG_ID_UNSUPPORTED, vpu_session_handle_error},
- {VPU_MSG_ID_FIRMWARE_XCPT, vpu_session_handle_firmware_xcpt},
+ {VPU_MSG_ID_UNSUPPORTED, vpu_session_handle_error, true},
+ {VPU_MSG_ID_FIRMWARE_XCPT, vpu_session_handle_firmware_xcpt, true},
{VPU_MSG_ID_PIC_SKIPPED, vpu_session_handle_pic_skipped},
+ {VPU_MSG_ID_DBG_MSG, vpu_session_handle_dbg_msg, true},
};
static int vpu_session_handle_msg(struct vpu_inst *inst, struct vpu_rpc_event *msg)
@@ -219,8 +236,12 @@ static int vpu_session_handle_msg(struct vpu_inst *inst, struct vpu_rpc_event *m
}
}
- if (handler && handler->done)
- handler->done(inst, msg);
+ if (handler) {
+ if (handler->is_str)
+ vpu_terminate_string_msg(msg);
+ if (handler->done)
+ handler->done(inst, msg);
+ }
vpu_response_cmd(inst, msg_id, 1);
