[PATCH v2 4/5] drm/i915/display: Use drm_crtc_vblank_count in intel_crtc_get_vblank_counter()
Maarten Lankhorst
dev at lankhorst.se
Wed Jul 16 10:56:39 UTC 2025
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.
Link: https://lore.kernel.org/r/20250715101636.906092-9-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev at lankhorst.se>
---
drivers/gpu/drm/i915/display/intel_crtc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c
index dbdc4d9b2a33c..65a57cadfa3bf 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc.c
@@ -85,7 +85,7 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
return 0;
if (!vblank->max_vblank_count)
- return (u32)drm_crtc_accurate_vblank_count(&crtc->base);
+ return (u32)drm_crtc_vblank_count(&crtc->base);
return crtc->base.funcs->get_vblank_counter(&crtc->base);
}
--
2.45.2
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