drm/i915/vrr: Disable VRR when using bigjoiner

From Ville Syrjala
f9b31dfdc0b5a04fb78cde6d2c64e54607dd316d in linux-6.6.y/6.6.28
dcd8992e47f13afb5c11a61e8d9c141c35e23751 in mainline linux

diff --git a/sys/dev/pci/drm/i915/display/intel_vrr.c b/sys/dev/pci/drm/i915/display/intel_vrr.c
index 88e4759..b844bdd 100644 (file)
--- a/sys/dev/pci/drm/i915/display/intel_vrr.c
+++ b/sys/dev/pci/drm/i915/display/intel_vrr.c
@@ -111,6 +111,13 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
        if (!intel_vrr_is_capable(connector))
                return;
 
+       /*
+        * FIXME all joined pipes share the same transcoder.
+        * Need to account for that during VRR toggle/push/etc.
+        */
+       if (crtc_state->bigjoiner_pipes)
+               return;
+
        if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
                return;