accel/ivpu: Add debug Kconfig option

Add CONFIG_DRM_ACCEL_IVPU_DEBUG option that:
 - Adds -DDEBUG that enables printk regardless of the kernel config
 - Enables unsafe module params (that are now disabled by default)

Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241017145817.121590-10-jacek.lawrynowicz@linux.intel.com

diff --git a/drivers/accel/ivpu/Kconfig b/drivers/accel/ivpu/Kconfig
index e4d418b..9e055b5 100644 (file)
--- a/drivers/accel/ivpu/Kconfig
+++ b/drivers/accel/ivpu/Kconfig
@@ -16,3 +16,12 @@ config DRM_ACCEL_IVPU
          and Deep Learning applications.
 
          If "M" is selected, the module will be called intel_vpu.
+
+config DRM_ACCEL_IVPU_DEBUG
+       bool "Intel NPU debug mode"
+       depends on DRM_ACCEL_IVPU
+       help
+         Choose this option to enable additional
+         debug features for the Intel NPU driver:
+         - Always print debug messages regardless of dyndbg config,
+         - Enable unsafe module params.

diff --git a/drivers/accel/ivpu/Makefile b/drivers/accel/ivpu/Makefile
index e73937c..1029e0b 100644 (file)
--- a/drivers/accel/ivpu/Makefile
+++ b/drivers/accel/ivpu/Makefile
@@ -24,4 +24,6 @@ intel_vpu-$(CONFIG_DEV_COREDUMP) += ivpu_coredump.o
 
 obj-$(CONFIG_DRM_ACCEL_IVPU) += intel_vpu.o
 
+subdir-ccflags-$(CONFIG_DRM_ACCEL_IVPU_DEBUG) += -DDEBUG
+
 CFLAGS_ivpu_trace_points.o = -I$(src)

diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index f5a8d93..ca2bf47 100644 (file)
--- a/drivers/accel/ivpu/ivpu_drv.c
+++ b/drivers/accel/ivpu/ivpu_drv.c
@@ -43,8 +43,10 @@ module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644);
 MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros.");
 
 int ivpu_test_mode;
+#if IS_ENABLED(CONFIG_DRM_ACCEL_IVPU_DEBUG)
 module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644);
 MODULE_PARM_DESC(test_mode, "Test mode mask. See IVPU_TEST_MODE_* macros.");
+#endif
 
 u8 ivpu_pll_min_ratio;
 module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644);

diff --git a/drivers/accel/ivpu/ivpu_fw.c b/drivers/accel/ivpu/ivpu_fw.c
index be36746..d358cf0 100644 (file)
--- a/drivers/accel/ivpu/ivpu_fw.c
+++ b/drivers/accel/ivpu/ivpu_fw.c
@@ -46,8 +46,10 @@
 #define IVPU_FOCUS_PRESENT_TIMER_MS 1000
 
 static char *ivpu_firmware;
+#if IS_ENABLED(CONFIG_DRM_ACCEL_IVPU_DEBUG)
 module_param_named_unsafe(firmware, ivpu_firmware, charp, 0644);
 MODULE_PARM_DESC(firmware, "NPU firmware binary in /lib/firmware/..");
+#endif
 
 static struct {
        int gen;

diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index e567df7..dbc0711 100644 (file)
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -24,8 +24,10 @@
 #include "vpu_boot_api.h"
 
 static bool ivpu_disable_recovery;
+#if IS_ENABLED(CONFIG_DRM_ACCEL_IVPU_DEBUG)
 module_param_named_unsafe(disable_recovery, ivpu_disable_recovery, bool, 0644);
 MODULE_PARM_DESC(disable_recovery, "Disables recovery when NPU hang is detected");
+#endif
 
 static unsigned long ivpu_tdr_timeout_ms;
 module_param_named(tdr_timeout_ms, ivpu_tdr_timeout_ms, ulong, 0644);