summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/display/intel_vrr.c
diff options
context:
space:
mode:
authorVille Syrjälä <ville.syrjala@linux.intel.com>2025-10-20 21:50:37 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2025-10-25 00:10:58 +0300
commitbe5fc552b3dd0fe8fbe6231ed754be207b5df890 (patch)
tree7911b139a09d1e78d6545d543eb8abe93e37ea7b /drivers/gpu/drm/i915/display/intel_vrr.c
parent0f4f31d79e557226334be5a47bb2e4acdcf1e923 (diff)
drm/i915/vrr: Update the intel_vrr_extra_vblank_delay() comment
The coment in intel_vrr_extra_vblank_delay() is a bit outdated now that we generally got rid of the "vblank delay" stuff. Update the comment to better describe the current state of things. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20251020185038.4272-22-ville.syrjala@linux.intel.com Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_vrr.c')
-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;
}