From d04376b6f45a845e2b4a0cbfa5ac1eed3ae851f1 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Wed, 14 Apr 2021 16:04:31 +0800
Subject: drm/amdgpu: add mes_kiq module parameter v2
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Git-commit: 928fe236c002ed75dfb3b7a0abe6e3d2a3c87376
Patch-mainline: v5.19-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

mes_kiq parameter is used to enable mes kiq pipe.
This module parameter is unneccessary or enabled by default
in final version.

v2: reword commit message.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h        |  2 ++
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  9 +++++++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c    | 10 ++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9b02066158e8..ec9acd543d7e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -208,6 +208,7 @@ extern int amdgpu_async_gfx_ring;
 extern int amdgpu_mcbp;
 extern int amdgpu_discovery;
 extern int amdgpu_mes;
+extern int amdgpu_mes_kiq;
 extern int amdgpu_noretry;
 extern int amdgpu_force_asic_type;
 extern int amdgpu_smartshift_bias;
@@ -940,6 +941,7 @@ struct amdgpu_device {
 
 	/* mes */
 	bool                            enable_mes;
+	bool                            enable_mes_kiq;
 	struct amdgpu_mes               mes;
 	struct amdgpu_mqd               mqds[AMDGPU_HW_IP_NUM];
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 9b5d1979ac0e..096799d4938d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3670,8 +3670,13 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 	if (amdgpu_mcbp)
 		DRM_INFO("MCBP is enabled\n");
 
-	if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10)
-		adev->enable_mes = true;
+	if (adev->asic_type >= CHIP_NAVI10) {
+		if (amdgpu_mes || amdgpu_mes_kiq)
+			adev->enable_mes = true;
+
+		if (amdgpu_mes_kiq)
+			adev->enable_mes_kiq = true;
+	}
 
 	/*
 	 * Reset domain needs to be present early, before XGMI hive discovered
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index ddd1d6c7407d..d16a20a1bf23 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -171,6 +171,7 @@ int amdgpu_async_gfx_ring = 1;
 int amdgpu_mcbp;
 int amdgpu_discovery = -1;
 int amdgpu_mes;
+int amdgpu_mes_kiq;
 int amdgpu_noretry = -1;
 int amdgpu_force_asic_type = -1;
 int amdgpu_tmz = -1; /* auto */
@@ -636,6 +637,15 @@ MODULE_PARM_DESC(mes,
 	"Enable Micro Engine Scheduler (0 = disabled (default), 1 = enabled)");
 module_param_named(mes, amdgpu_mes, int, 0444);
 
+/**
+ * DOC: mes_kiq (int)
+ * Enable Micro Engine Scheduler KIQ. This is a new engine pipe for kiq.
+ * (0 = disabled (default), 1 = enabled)
+ */
+MODULE_PARM_DESC(mes_kiq,
+	"Enable Micro Engine Scheduler KIQ (0 = disabled (default), 1 = enabled)");
+module_param_named(mes_kiq, amdgpu_mes_kiq, int, 0444);
+
 /**
  * DOC: noretry (int)
  * Disable XNACK retry in the SQ by default on GFXv9 hardware. On ASICs that
-- 
2.38.1