From: jsg <jsg@openbsd.org>
Date: Thu, 18 Apr 2024 00:54:36 +0000 (+0000)
Subject: drm/i915/vrr: Disable VRR when using bigjoiner
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=c61e4ba88e53a26e599a8e83d1f0fd6cb4c31a33;p=openbsd

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 88e4759b538..b844bdd16de 100644
--- 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;