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authorJani Nikula <jani.nikula@intel.com>2019-10-01 17:06:14 +0300
committerJani Nikula <jani.nikula@intel.com>2019-10-02 16:28:55 +0300
commitf0a8f533adc202f7dc83961c85187794eaed9cec (patch)
tree5600de76c2e33d6f637a69a56f92c834676d9894 /drivers/gpu/drm/drm_vblank.c
parent959b077f26a16c663816f116af8063a170233a07 (diff)
drm/print: add drm_debug_enabled()
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
Diffstat (limited to 'drivers/gpu/drm/drm_vblank.c')
-rw-r--r--drivers/gpu/drm/drm_vblank.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index 9c6899758bc9..4f7962b6427b 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -332,7 +332,7 @@ u64 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc)
u64 vblank;
unsigned long flags;
- WARN_ONCE(drm_debug & DRM_UT_VBL && !dev->driver->get_vblank_timestamp,
+ WARN_ONCE(drm_debug_enabled(DRM_UT_VBL) && !dev->driver->get_vblank_timestamp,
"This function requires support for accurate vblank timestamps.");
spin_lock_irqsave(&dev->vblank_time_lock, flags);
@@ -706,7 +706,7 @@ bool drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
*/
*vblank_time = ktime_sub_ns(etime, delta_ns);
- if ((drm_debug & DRM_UT_VBL) == 0)
+ if (!drm_debug_enabled(DRM_UT_VBL))
return true;
ts_etime = ktime_to_timespec64(etime);
@@ -1352,7 +1352,7 @@ void drm_vblank_restore(struct drm_device *dev, unsigned int pipe)
assert_spin_locked(&dev->vblank_time_lock);
vblank = &dev->vblank[pipe];
- WARN_ONCE((drm_debug & DRM_UT_VBL) && !vblank->framedur_ns,
+ WARN_ONCE(drm_debug_enabled(DRM_UT_VBL) && !vblank->framedur_ns,
"Cannot compute missed vblanks without frame duration\n");
framedur_ns = vblank->framedur_ns;