Files
linux/drivers/gpu/drm
Maarten Lankhorst 76e46dbf80 drm/i915/display: Make intel_crtc_get_vblank_counter safe on PREEMPT_RT
drm_crtc_accurate_vblank_count takes a spinlock, which we should avoid
in tracepoints and debug functions.

This also prevents taking the spinlock 2x during the critical
section of pipe updates for DSI updates.

Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/20250829131701.15607-2-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
2025-10-09 16:10:37 +02:00
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