6.5-stable review patch. If anyone has any objections, please let me know.
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From: Ming Qian ming.qian@nxp.com
[ 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@nxp.com Reviewed-by: Nicolas Dufresne nicolas.dufresne@collabora.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/amphion/vpu_defs.h | 1 + drivers/media/platform/amphion/vpu_helpers.c | 1 + drivers/media/platform/amphion/vpu_malone.c | 1 + drivers/media/platform/amphion/vpu_msgs.c | 31 ++++++++++++++++---- 4 files changed, 29 insertions(+), 5 deletions(-)
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 c1d6606ad7e57..46713be69adbd 100644 --- a/drivers/media/platform/amphion/vpu_malone.c +++ b/drivers/media/platform/amphion/vpu_malone.c @@ -747,6 +747,7 @@ 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);