Re: [PATCH v2 47/59] drm-dyndbg: add DRM_CLASSMAP_USE to bochs

From: Louis Chauvet
Date: Mon Mar 24 2025 - 11:04:19 EST




Le 20/03/2025 à 19:52, Jim Cromie a écrit :
tiny/bochs has 5 DRM_UT_* debugs, make them controllable when
CONFIG_DRM_USE_DYNAMIC_DEBUG=y by telling dyndbg that the module has
class'd debugs.

Signed-off-by: Jim Cromie <jim.cromie@xxxxxxxxx>

Reviewed-by: Louis Chauvet <louis.chauvet@xxxxxxxxxxx>

---
drivers/gpu/drm/tiny/bochs.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
index 8706763af8fb..dbcc8ba70dfa 100644
--- a/drivers/gpu/drm/tiny/bochs.c
+++ b/drivers/gpu/drm/tiny/bochs.c
@@ -59,6 +59,8 @@ static int bochs_modeset = -1;
static int defx = 1024;
static int defy = 768;
+DRM_CLASSMAP_USE(drm_debug_classes);

Do we need to add it for each driver that use drm_* print macros? Is it reasonable to add this directly in drm_print.h, so there is no way to miss this call if you use drm_* macros.

module_param_named(modeset, bochs_modeset, int, 0444);
MODULE_PARM_DESC(modeset, "enable/disable kernel modesetting");

--
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com