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From b80d8475c1fdf5f4bcabb65168b2e8a9c3d77731 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Sun, 16 Aug 2015 22:55:02 -0400
Subject: [PATCH 0382/1050] drm/amdgpu: add scheduler initialization
1. Add kernel parameter option, default 0
2. Add scheduler initialization for amdgpu
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Acked-by: Christian K?nig <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 7 ++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++++
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 10 ++++++++++
4 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 4c75e1c..2800cf7 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -4,7 +4,8 @@
ccflags-y := -Iinclude/drm -Idrivers/gpu/drm/amd/include/asic_reg \
-Idrivers/gpu/drm/amd/include \
- -Idrivers/gpu/drm/amd/amdgpu
+ -Idrivers/gpu/drm/amd/amdgpu \
+ -Idrivers/gpu/drm/amd/scheduler
amdgpu-y := amdgpu_drv.o
@@ -82,6 +83,10 @@ amdgpu-y += \
# add cgs
amdgpu-y += amdgpu_cgs.o
+# GPU scheduler
+amdgpu-y += \
+ ../scheduler/gpu_scheduler.o
+
amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index a9ead97..815d40f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -53,6 +53,8 @@
#include "amdgpu_ucode.h"
#include "amdgpu_gds.h"
+#include "gpu_scheduler.h"
+
/*
* Modules parameters.
*/
@@ -77,6 +79,7 @@ extern int amdgpu_bapm;
extern int amdgpu_deep_color;
extern int amdgpu_vm_size;
extern int amdgpu_vm_block_size;
+extern int amdgpu_enable_scheduler;
#define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
#define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
@@ -860,6 +863,7 @@ struct amdgpu_ring {
struct amdgpu_device *adev;
const struct amdgpu_ring_funcs *funcs;
struct amdgpu_fence_driver fence_drv;
+ struct amd_gpu_scheduler *scheduler;
struct mutex *ring_lock;
struct amdgpu_bo *ring_obj;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index e6f2aca..5feea44 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -75,6 +75,7 @@ int amdgpu_deep_color = 0;
int amdgpu_vm_size = 8;
int amdgpu_vm_block_size = -1;
int amdgpu_exp_hw_support = 0;
+int amdgpu_enable_scheduler = 0;
MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 1b0bc07..4edeb90 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -902,6 +902,14 @@ void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
INIT_DELAYED_WORK(&ring->fence_drv.lockup_work,
amdgpu_fence_check_lockup);
ring->fence_drv.ring = ring;
+
+ if (amdgpu_enable_scheduler) {
+ ring->scheduler = amd_sched_create((void *)ring->adev,
+ NULL, ring->idx, 5, 0);
+ if (!ring->scheduler)
+ DRM_ERROR("Failed to create scheduler on ring %d.\n",
+ ring->idx);
+ }
}
/**
@@ -950,6 +958,8 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev)
wake_up_all(&adev->fence_queue);
amdgpu_irq_put(adev, ring->fence_drv.irq_src,
ring->fence_drv.irq_type);
+ if (ring->scheduler)
+ amd_sched_destroy(ring->scheduler);
ring->fence_drv.initialized = false;
}
mutex_unlock(&adev->ring_lock);
--
1.9.1
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