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From 53c4bebdf8a7a414ff696b8dfa26a25e26956498 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Fri, 25 Jan 2019 14:11:35 +0800
Subject: [PATCH 2245/2940] drm/amdgpu/mes: add amdgpu_mes driver parameter
amdgpu_mes, which is a driver scope parameter, is used
to whether enable mes or not.
MES (Micro Engine Scheduler) is the new on chip hw scheduling
microcontroller. It can be used to handle queue scheduling and
preemption and priorities.
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index b187c052117d..e6673cde450f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -165,6 +165,7 @@ extern uint amdgpu_ras_mask;
extern int amdgpu_async_gfx_ring;
extern int amdgpu_mcbp;
extern int amdgpu_discovery;
+extern int amdgpu_mes;
#ifdef CONFIG_DRM_AMDGPU_SI
extern int amdgpu_si_support;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 8fa4d0437212..ad432d865fe9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -144,6 +144,7 @@ uint amdgpu_dc_feature_mask = 0;
int amdgpu_async_gfx_ring = 1;
int amdgpu_mcbp = 0;
int amdgpu_discovery = 0;
+int amdgpu_mes = 0;
struct amdgpu_mgpu_info mgpu_info = {
.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
@@ -596,6 +597,10 @@ MODULE_PARM_DESC(discovery,
"Allow driver to discover hardware IPs from IP Discovery table at the top of VRAM");
module_param_named(discovery, amdgpu_discovery, int, 0444);
+MODULE_PARM_DESC(mes,
+ "Enable Micro Engine Scheduler (0 = disabled (default), 1 = enabled)");
+module_param_named(mes, amdgpu_mes, int, 0444);
+
/**
* DOC: dcfeaturemask (uint)
* Override display features enabled. See enum DC_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
--
2.17.1
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