From eb91a2bd3204f165ce9c9fa7bc6d0d2b86891f36 Mon Sep 17 00:00:00 2001
From: Madhumitha Tolakanahalli Pradeep
<madhumitha.tolakanahalli.pradeep@intel.com>
Date: Tue, 18 Apr 2023 15:04:45 -0700
Subject: drm/i915/mtl: Extend Wa_22011802037 to MTL A-step
Git-commit: 514b8a79aa85d800458cfb7909ed0e1a1c1bffa2
Patch-mainline: v6.5-rc1
References: jsc#PED-3527 jsc#PED-5475 jsc#PED-6068 jsc#PED-6070 jsc#PED-6116 jsc#PED-6120 jsc#PED-5065 jsc#PED-5477 jsc#PED-5511 jsc#PED-6041 jsc#PED-6069 jsc#PED-6071
Wa_22011802037 was being applied to all graphics_ver 11 & 12. This patch
updates the if statement to apply the W/A to right platforms and extends
it to MTL-M:A step.
v1.1: Fix checkpatch warning.
v2: Change the check to reflect the wa at other places(Lucas)
Bspec: 66622
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418220446.2205509-4-radhakrishna.sripada@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 88e881b100cf..ee3e8352637f 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1629,16 +1629,16 @@ static void guc_reset_state(struct intel_context *ce, u32 head, bool scrub)
static void guc_engine_reset_prepare(struct intel_engine_cs *engine)
{
- if (!IS_GRAPHICS_VER(engine->i915, 11, 12))
- return;
-
- intel_engine_stop_cs(engine);
-
/*
* Wa_22011802037: In addition to stopping the cs, we need
* to wait for any pending mi force wakeups
*/
- intel_engine_wait_for_pending_mi_fw(engine);
+ if (IS_MTL_GRAPHICS_STEP(engine->i915, M, STEP_A0, STEP_B0) ||
+ (GRAPHICS_VER(engine->i915) >= 11 &&
+ GRAPHICS_VER_FULL(engine->i915) < IP_VER(12, 70))) {
+ intel_engine_stop_cs(engine);
+ intel_engine_wait_for_pending_mi_fw(engine);
+ }
}
static void guc_reset_nop(struct intel_engine_cs *engine)
--
2.42.0