Revert "drm/i915: Implement Wa_1508744258"

BugLink: https://bugs.launchpad.net/bugs/1953731
[ Upstream commit 72641d8d60401a5f1e1a0431ceaf928680d34418 ]

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 <jose.souza@intel.com>
Fixes: 28ec02c9cbeb ("drm/i915: Implement Wa_1508744258")
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211119140931.32791-1-jose.souza@intel.com
(cherry picked from commit f3799ff16fcfacd44aee55db162830df461b631f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index aae609d7d85ddca6c89e5b4eb0b7ca7076d4c912..6b5ab19a2ada9329ebfc90cc8d842d5811a7134c 100644 (file)
--- 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,