From ef3e4b2ddd3404c16f7c45fcfcfadd89659ce5ba 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 17:38:53 -0700
Subject: drm/i915: Limit Wa_22010178259 to affected platforms
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Git-commit: c86ef50f05c65f6c995156426dca29d47629e1be
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
This workaround is not needed for platforms with display 13.
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/20210713003854.143197-5-jose.souza@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_display_power.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 3e8e75707239..fdb64bf66a64 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -5822,10 +5822,11 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv)
intel_de_write(dev_priv, BW_BUDDY_PAGE_MASK(i),
table[config].page_mask);
- /* Wa_22010178259:tgl,rkl */
- intel_de_rmw(dev_priv, BW_BUDDY_CTL(i),
- BW_BUDDY_TLB_REQ_TIMER_MASK,
- BW_BUDDY_TLB_REQ_TIMER(0x8));
+ /* Wa_22010178259:tgl,dg1,rkl,adl-s */
+ if (DISPLAY_VER(dev_priv) == 12)
+ intel_de_rmw(dev_priv, BW_BUDDY_CTL(i),
+ BW_BUDDY_TLB_REQ_TIMER_MASK,
+ BW_BUDDY_TLB_REQ_TIMER(0x8));
}
}
}
--
2.38.1