From f08abe6a1e07fdf1ec95ec431b65a876de431231 Mon Sep 17 00:00:00 2001 From: Stanimir Varbanov Date: Thu, 21 May 2020 13:35:16 +0200 Subject: [PATCH] media: venus: Add debugfs interface to set firmware log level This will be useful when debugging specific issues related to firmware HFI interface. Signed-off-by: Stanimir Varbanov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/venus/Makefile | 2 +- drivers/media/platform/qcom/venus/core.c | 3 +++ drivers/media/platform/qcom/venus/core.h | 3 +++ drivers/media/platform/qcom/venus/dbgfs.c | 21 +++++++++++++++++++++ drivers/media/platform/qcom/venus/dbgfs.h | 12 ++++++++++++ drivers/media/platform/qcom/venus/hfi_venus.c | 6 +++++- 6 files changed, 45 insertions(+), 2 deletions(-) create mode 100644 drivers/media/platform/qcom/venus/dbgfs.c create mode 100644 drivers/media/platform/qcom/venus/dbgfs.h diff --git a/drivers/media/platform/qcom/venus/Makefile b/drivers/media/platform/qcom/venus/Makefile index 64af0bc..dfc6368 100644 --- a/drivers/media/platform/qcom/venus/Makefile +++ b/drivers/media/platform/qcom/venus/Makefile @@ -3,7 +3,7 @@ venus-core-objs += core.o helpers.o firmware.o \ hfi_venus.o hfi_msgs.o hfi_cmds.o hfi.o \ - hfi_parser.o pm_helpers.o + hfi_parser.o pm_helpers.o dbgfs.o venus-dec-objs += vdec.o vdec_ctrls.o venus-enc-objs += venc.o venc_ctrls.o diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 8313193..c5af428 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -295,6 +295,8 @@ static int venus_probe(struct platform_device *pdev) goto err_dev_unregister; } + venus_dbgfs_init(core); + return 0; err_dev_unregister: @@ -346,6 +348,7 @@ static int venus_remove(struct platform_device *pdev) v4l2_device_unregister(&core->v4l2_dev); mutex_destroy(&core->pm_lock); mutex_destroy(&core->lock); + venus_dbgfs_deinit(core); return ret; } diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index 8f56605..e5a57e1 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -12,6 +12,7 @@ #include #include +#include "dbgfs.h" #include "hfi.h" #define VIDC_CLKS_NUM_MAX 4 @@ -137,6 +138,7 @@ struct venus_caps { * @priv: a private filed for HFI operations * @ops: the core HFI operations * @work: a delayed work for handling system fatal error + * @root: debugfs root directory */ struct venus_core { void __iomem *base; @@ -190,6 +192,7 @@ struct venus_core { unsigned int codecs_count; unsigned int core0_usage_count; unsigned int core1_usage_count; + struct dentry *root; }; struct vdec_controls { diff --git a/drivers/media/platform/qcom/venus/dbgfs.c b/drivers/media/platform/qcom/venus/dbgfs.c new file mode 100644 index 0000000..782d54a --- /dev/null +++ b/drivers/media/platform/qcom/venus/dbgfs.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2020 Linaro Ltd. + */ + +#include + +#include "core.h" + +extern int venus_fw_debug; + +void venus_dbgfs_init(struct venus_core *core) +{ + core->root = debugfs_create_dir("venus", NULL); + debugfs_create_x32("fw_level", 0644, core->root, &venus_fw_debug); +} + +void venus_dbgfs_deinit(struct venus_core *core) +{ + debugfs_remove_recursive(core->root); +} diff --git a/drivers/media/platform/qcom/venus/dbgfs.h b/drivers/media/platform/qcom/venus/dbgfs.h new file mode 100644 index 0000000..b7b621a --- /dev/null +++ b/drivers/media/platform/qcom/venus/dbgfs.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2020 Linaro Ltd. */ + +#ifndef __VENUS_DBGFS_H__ +#define __VENUS_DBGFS_H__ + +struct venus_core; + +void venus_dbgfs_init(struct venus_core *core); +void venus_dbgfs_deinit(struct venus_core *core); + +#endif diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c index 90067cd..fefa654 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus.c +++ b/drivers/media/platform/qcom/venus/hfi_venus.c @@ -130,7 +130,7 @@ struct venus_hfi_device { }; static bool venus_pkt_debug; -static int venus_fw_debug = HFI_DEBUG_MSG_ERROR | HFI_DEBUG_MSG_FATAL; +int venus_fw_debug = HFI_DEBUG_MSG_ERROR | HFI_DEBUG_MSG_FATAL; static bool venus_sys_idle_indicator; static bool venus_fw_low_power_mode = true; static int venus_hw_rsp_timeout = 1000; @@ -1122,6 +1122,10 @@ static int venus_session_init(struct venus_inst *inst, u32 session_type, struct hfi_session_init_pkt pkt; int ret; + ret = venus_sys_set_debug(hdev, venus_fw_debug); + if (ret) + goto err; + ret = pkt_session_init(&pkt, inst, session_type, codec); if (ret) goto err; -- 2.7.4