From: Ankit Nautiyal <[email protected]>
Correct the adjustment required for fixed refresh rate mode for Display
< 13. The vblank delay must be added and not subtracted to get the fixed
rr vtotal.
Fixes: bef1e60c7087 ("drm/i915/vrr: Prepare for fixed refresh rate timings")
Cc: Ankit Nautiyal <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Signed-off-by: Ankit Nautiyal <[email protected]>
Signed-off-by: Mitul Golani <[email protected]>
---
drivers/gpu/drm/i915/display/intel_vrr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c
b/drivers/gpu/drm/i915/display/intel_vrr.c
index c6565baf815a..45445198129f 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -263,7 +263,7 @@ int intel_vrr_fixed_rr_vtotal(const struct intel_crtc_state
*crtc_state)
if (DISPLAY_VER(display) >= 13)
return crtc_vtotal;
else
- return crtc_vtotal -
+ return crtc_vtotal +
intel_vrr_real_vblank_delay(crtc_state);
}
--
2.48.1
