Following the dyndbg-api-fix, replace DECLARE_DYNDBG_CLASSMAP with
DRM_CLASSMAP_USE.  This refs the defined & exported classmap, rather
than re-declaring it redundantly, and error-prone-ly.

This resolves the appearance of "class:_UNKNOWN_" in the control file
for the driver's drm_dbg()s.

Fixes: f158936b60a7 ("drm: POC drm on dyndbg - use in core, 2 helpers, 3 
drivers.")

Signed-off-by: Jim Cromie <jim.cro...@gmail.com>
---
 drivers/gpu/drm/display/drm_dp_helper.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/display/drm_dp_helper.c 
b/drivers/gpu/drm/display/drm_dp_helper.c
index f5d4be897866..d3a7df09846f 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -41,17 +41,7 @@
 
 #include "drm_dp_helper_internal.h"
 
-DECLARE_DYNDBG_CLASSMAP(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0,
-                       "DRM_UT_CORE",
-                       "DRM_UT_DRIVER",
-                       "DRM_UT_KMS",
-                       "DRM_UT_PRIME",
-                       "DRM_UT_ATOMIC",
-                       "DRM_UT_VBL",
-                       "DRM_UT_STATE",
-                       "DRM_UT_LEASE",
-                       "DRM_UT_DP",
-                       "DRM_UT_DRMRES");
+DRM_CLASSMAP_USE(drm_debug_classes);
 
 struct dp_aux_backlight {
        struct backlight_device *base;
-- 
2.45.2

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