diff options
| author |   Jani Nikula <jani.nikula@intel.com> | 2019-09-24 15:58:57 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2019-10-02 16:28:24 +0300 |
| commit | 959b077f26a16c663816f116af8063a170233a07 (patch) | |
| tree | 9c8408b1772ad3cd06b1c44828c0af44941544e4 /drivers/gpu/drm/drm_print.c | |
| parent | drm/rect: Add drm_rect_init() (diff) | |
| download | linux-dev-959b077f26a16c663816f116af8063a170233a07.tar.xz linux-dev-959b077f26a16c663816f116af8063a170233a07.zip | |
drm/print: move drm_debug variable to drm_print.[ch]
Move drm_debug variable declaration and definition to where they are
relevant and needed. No functional changes.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/71a566c68883b6e6c61414cd9f7c36c84015edb1.1569329774.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_print.c')
| -rw-r--r-- | drivers/gpu/drm/drm_print.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c index 52cc7b38eb12..1ade3a917c10 100644 --- a/drivers/gpu/drm/drm_print.c +++ b/drivers/gpu/drm/drm_print.c @@ -28,6 +28,7 @@ #include <stdarg.h> #include <linux/io.h> +#include <linux/moduleparam.h> #include <linux/seq_file.h> #include <linux/slab.h> @@ -35,6 +36,24 @@ #include <drm/drm_drv.h> #include <drm/drm_print.h> +/* + * drm_debug: Enable debug output. + * Bitmask of DRM_UT_x. See include/drm/drm_print.h for details. + */ +unsigned int drm_debug; +EXPORT_SYMBOL(drm_debug); + +MODULE_PARM_DESC(debug, "Enable debug output, where each bit enables a debug category.\n" +"\t\tBit 0 (0x01) will enable CORE messages (drm core code)\n" +"\t\tBit 1 (0x02) will enable DRIVER messages (drm controller code)\n" +"\t\tBit 2 (0x04) will enable KMS messages (modesetting code)\n" +"\t\tBit 3 (0x08) will enable PRIME messages (prime code)\n" +"\t\tBit 4 (0x10) will enable ATOMIC messages (atomic code)\n" +"\t\tBit 5 (0x20) will enable VBL messages (vblank code)\n" +"\t\tBit 7 (0x80) will enable LEASE messages (leasing code)\n" +"\t\tBit 8 (0x100) will enable DP messages (displayport code)"); +module_param_named(debug, drm_debug, int, 0600); + void __drm_puts_coredump(struct drm_printer *p, const char *str) { struct drm_print_iterator *iterator = p->arg; |