From 68d46e52092d9a94370d44cf23db58cfdcc4fbaf Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Wed, 7 Sep 2022 16:25:42 -0700
Subject: Revert "drm/i915/dg2: extend Wa_1409120013 to DG2"
Git-commit: 68d46e52092d9a94370d44cf23db58cfdcc4fbaf
Patch-mainline: v6.1-rc1
References: jsc#PED-1218
This reverts commit 487970e8bb776c989013bb59d6cbb22e45b9afc6.
Updated bspec and workaround database note Wa_1409120013 is not needed
for DG2 (or any Xe_LPD) platform. Simply check by display version 12.
v2: Simplify condition check to display version (Matt Roper)
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907232541.1720966-1-lucas.demarchi@intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/intel_pm.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 7a3f023d39e9..d309cc031e93 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7466,9 +7466,8 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv)
static void gen12lp_init_clock_gating(struct drm_i915_private *dev_priv)
{
- /* Wa_1409120013:tgl,rkl,adl-s,dg1,dg2 */
- if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv) ||
- IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv) || IS_DG2(dev_priv))
+ /* Wa_1409120013 */
+ if (DISPLAY_VER(dev_priv) == 12)
intel_uncore_write(&dev_priv->uncore, ILK_DPFC_CHICKEN(INTEL_FBC_A),
DPFC_CHICKEN_COMP_DUMMY_PIXEL);
--
2.39.0