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-rw-r--r--drivers/gpu/drm/i915/display/intel_vrr.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 8875e5fe86aa..c28491b9002a 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -87,10 +87,8 @@ static int intel_vrr_extra_vblank_delay(struct intel_display *display)
/*
* On ICL/TGL VRR hardware inserts one extra scanline
* just after vactive, which pushes the vmin decision
- * boundary ahead accordingly. We'll include the extra
- * scanline in our vblank delay estimates to make sure
- * that we never underestimate how long we have until
- * the delayed vblank has passed.
+ * boundary ahead accordingly, and thus reduces the
+ * max guardband length by one scanline.
*/
return DISPLAY_VER(display) < 13 ? 1 : 0;
}