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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: daa4209d-a07a-4724-ab92-08dbaf44ef92 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6341.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Sep 2023 01:51:21.7013 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: CjB2m0kcROrEscHaT/X0b0dr0zUWnMBeODeI8cQA4juyu4J3PSRSpORRLzYWsh2l5y5FDuE5Xl2OEOTmRwyj8w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8388 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230906_185132_999476_E77DD072 X-CRM114-Status: GOOD ( 14.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Nicolas Dufresne --- v3 - set the last byte to 0 only for string message v2 - force to terminate string message data 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 667637eedb5d..7320852668d6 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 af3b336e5dc3..d12310af9ebc 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 ""; } diff --git a/drivers/media/platform/amphion/vpu_malone.c b/drivers/media/platform/amphion/vpu_malone.c index f771661980c0..d3425de7bccd 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 d0ead051f7d1..b74a407a19f2 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);