From af4b72e195b27ece3127322356b5c55af280d8b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <jose.souza@intel.com>
Date: Mon, 12 Jul 2021 17:38:54 -0700
Subject: drm/i915/display/xelpd: Extend Wa_14011508470
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Git-commit: 9f5827580749b1dbc3aa339b37aa67e8aab25ac9
Patch-mainline: v5.15-rc1
References: jsc#SLE-22601
This workaround is also applicable to xelpd display so extending it.
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210713003854.143197-6-jose.souza@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_display_power.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index fdb64bf66a64..94aa94420f29 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -5883,8 +5883,8 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
if (resume && intel_dmc_has_payload(dev_priv))
intel_dmc_load_program(dev_priv);
- /* Wa_14011508470 */
- if (DISPLAY_VER(dev_priv) == 12) {
+ /* Wa_14011508470:tgl,dg1,rkl,adl-s,adl-p */
+ if (DISPLAY_VER(dev_priv) >= 12) {
val = DCPR_CLEAR_MEMSTAT_DIS | DCPR_SEND_RESP_IMM |
DCPR_MASK_LPMODE | DCPR_MASK_MAXLATENCY_MEMUP_CLR;
intel_uncore_rmw(&dev_priv->uncore, GEN11_CHICKEN_DCPR_2, 0, val);
--
2.33.1