From: jsg <jsg@openbsd.org>
Date: Fri, 14 Jun 2024 05:31:20 +0000 (+0000)
Subject: drm/i915/xelpg: Add workaround 14019877138
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=ee4aabc9c6e5d19c905913bfb9ca821328890ab5;p=openbsd

drm/i915/xelpg: Add workaround 14019877138

From Tejas Upadhyay
c5b32a41946139b9f4f7a087fda2355a90f671cb in mainline linux
---

diff --git a/sys/dev/pci/drm/i915/gt/intel_workarounds.c b/sys/dev/pci/drm/i915/gt/intel_workarounds.c
index a2401cd5a3c..f804801d161 100644
--- a/sys/dev/pci/drm/i915/gt/intel_workarounds.c
+++ b/sys/dev/pci/drm/i915/gt/intel_workarounds.c
@@ -829,6 +829,9 @@ static void xelpg_ctx_workarounds_init(struct intel_engine_cs *engine,
 
 	/* Wa_18019271663 */
 	wa_masked_en(wal, CACHE_MODE_1, MSAA_OPTIMIZATION_REDUC_DISABLE);
+
+	/* Wa_14019877138 */
+	wa_mcr_masked_en(wal, XEHP_PSS_CHICKEN, FD_END_COLLECT);
 }
 
 static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine,