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drm/print: add drm_debug_enabled()

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Add helper to check if a drm debug category is enabled. Convert drm core
to use it. No functional changes.

v2: Move unlikely() to drm_debug_enabled() (Eric)

v3: Keep unlikely() when combined with other conditions (Eric)

Cc: Eric Engestrom <eric@engestrom.ch>
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/20191001140614.26909-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2019-10-01 17:06:14 +03:00
parent 959b077f26
commit f0a8f533ad
8 changed files with 18 additions and 13 deletions
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2
drivers/gpu/drm/drm_atomic_uapi.c
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@@ -1406,7 +1406,7 @@ retry:
} else if (arg->flags & DRM_MODE_ATOMIC_NONBLOCK) {
ret = drm_atomic_nonblocking_commit(state);
} else {
if (unlikely(drm_debug & DRM_UT_STATE))
if (drm_debug_enabled(DRM_UT_STATE))
drm_atomic_print_state(state);
ret = drm_atomic_commit(state);