[PATCH v7 04/29] drm: fix config dependent unused variable warning.

Jim Cromie <[email protected]> Tue, 21 Jul 2026 14:56:53 -0600
Newsgroups org.kernel.vger.linux-modules,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-arch,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest
Message-ID <[email protected]>
__drm_printfn_dbg() does
  int category = p->category;
then does:
  if (drm_debug_enabled(category))

When CONFIG_DRM_USE_DYNAMIC_DEBUG=y, that macro doesn't reference the
category arg, because its optimized away, as not needed when dyndbg's
static-key is under the callsite.  Silence the warning by passing
p->category directly.

Signed-off-by: Jim Cromie <[email protected]>
---
 drivers/gpu/drm/drm_print.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index ded9461df5f2..ac0288dabfc0 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -216,9 +216,8 @@ void __drm_printfn_dbg(struct drm_printer *p, struct va_format *vaf)
 {
 	const struct drm_device *drm = p->arg;
 	const struct device *dev = drm ? drm->dev : NULL;
-	enum drm_debug_category category = p->category;
 
-	if (!__drm_debug_enabled(category))
+	if (!__drm_debug_enabled(p->category))
 		return;
 
 	__drm_dev_vprintk(dev, KERN_DEBUG, p->origin, p->prefix, vaf);

-- 
2.55.0