commit:     be04f4a4f2652500709c7e12c2ec937341fd85ca
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Dec  3 15:37:14 2021 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Dec  3 15:37:14 2021 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=be04f4a4

Revert: drm/i915: Implement Wa_1508744258

Bug: https://bugs.gentoo.org/828080

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README                                        |  4 ++
 2700_drm-i915-revert-Implement-Wa-1508744258.patch | 51 ++++++++++++++++++++++
 2 files changed, 55 insertions(+)

diff --git a/0000_README b/0000_README
index fcc761b6..31a03b18 100644
--- a/0000_README
+++ b/0000_README
@@ -79,6 +79,10 @@ Patch:  
2000_BT-Check-key-sizes-only-if-Secure-Simple-Pairing-enabled.patch
 From:   
https://lore.kernel.org/linux-bluetooth/[email protected]/raw
 Desc:   Bluetooth: Check key sizes only when Secure Simple Pairing is enabled. 
See bug #686758
 
+Patch:  2700_drm-i915-revert-Implement-Wa-1508744258.patch
+From:   https://bugs.gentoo.org/828080
+Desc:   Revert: drm/i915: Implement Wa_1508744258
+
 Patch:  2900_tmp513-Fix-build-issue-by-selecting-CONFIG_REG.patch
 From:   https://bugs.gentoo.org/710790
 Desc:   tmp513 requies REGMAP_I2C to build.  Select it by default in Kconfig. 
See bug #710790. Thanks to Phil Stracchino

diff --git a/2700_drm-i915-revert-Implement-Wa-1508744258.patch 
b/2700_drm-i915-revert-Implement-Wa-1508744258.patch
new file mode 100644
index 00000000..37e60701
--- /dev/null
+++ b/2700_drm-i915-revert-Implement-Wa-1508744258.patch
@@ -0,0 +1,51 @@
+From 72641d8d60401a5f1e1a0431ceaf928680d34418 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <[email protected]>
+Date: Fri, 19 Nov 2021 06:09:30 -0800
+Subject: Revert "drm/i915: Implement Wa_1508744258"
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This workarounds are causing hangs, because I missed the fact that it
+needs to be enabled for all cases and disabled when doing a resolve
+pass.
+
+So KMD only needs to whitelist it and UMD will be the one setting it
+on per case.
+
+This reverts commit 28ec02c9cbebf3feeaf21a59df9dfbc02bda3362.
+
+Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/4145
+Signed-off-by: José Roberto de Souza <[email protected]>
+Fixes: 28ec02c9cbeb ("drm/i915: Implement Wa_1508744258")
+Reviewed-by: Matt Atwood <[email protected]>
+Link: 
https://patchwork.freedesktop.org/patch/msgid/[email protected]
+(cherry picked from commit f3799ff16fcfacd44aee55db162830df461b631f)
+Signed-off-by: Rodrigo Vivi <[email protected]>
+---
+ drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 -------
+ 1 file changed, 7 deletions(-)
+
+(limited to 'drivers/gpu/drm/i915/gt/intel_workarounds.c')
+
+diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c 
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
+index e1f3625308891..ed73d9bc9d40b 100644
+--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
++++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
+@@ -621,13 +621,6 @@ static void gen12_ctx_workarounds_init(struct 
intel_engine_cs *engine,
+              FF_MODE2_GS_TIMER_MASK,
+              FF_MODE2_GS_TIMER_224,
+              0, false);
+-
+-      /*
+-       * Wa_14012131227:dg1
+-       * Wa_1508744258:tgl,rkl,dg1,adl-s,adl-p
+-       */
+-      wa_masked_en(wal, GEN7_COMMON_SLICE_CHICKEN1,
+-                   GEN9_RHWO_OPTIMIZATION_DISABLE);
+ }
+ 
+ static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine,
+-- 
+cgit 1.2.3-1.el7
+

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