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| author | Maarten Lankhorst <dev@lankhorst.se> | 2025-08-29 15:17:02 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <dev@lankhorst.se> | 2025-10-09 16:10:37 +0200 |
| commit | 76e46dbf80918ef0dc8e489f88959bab48b6b9ce (patch) | |
| tree | ea074396ec3ed3c58b958d490c886bfcc7ebabed /tools/perf/scripts/python | |
| parent | ed1fbee3debbfcf6fd69a69509545ace00118f82 (diff) | |
| download | linux-76e46dbf80918ef0dc8e489f88959bab48b6b9ce.tar.gz linux-76e46dbf80918ef0dc8e489f88959bab48b6b9ce.zip | |
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>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions