drm/print: describe 6th & 9th bit of drm.debug

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Setting 6th or 9th bit of drm.debug change debug logging. Meanwhile
`modinfo drm` does not inform about it at all.

Add info to MODULE_PARAM_DESC(debug, ...) about setting 6th and 9th bit
basing on DECLARE_DYNDBG_CLASSMAP(drm_debug_classes, ...). Match
description of corresponding bits with enum drm_debug_category. Include
9th bit in the example with enabling all possible logging provided at
comment at include/drm/drm_print.h.

Signed-off-by: Michał Grzelak <michal.grzelak@intel.com>
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260522135520.1862848-2-michal.grzelak@intel.com

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This commit is contained in:

Michał Grzelak 2026-05-22 15:55:19 +02:00 • committed by Thomas Zimmermann

parent d59676b3eb

commit 96889ef7dc

2 changed files with 4 additions and 2 deletions

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4

drivers/gpu/drm/drm_print.c

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2

include/drm/drm_print.h

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