aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2174-drm-amdgpu-create-mqd-for-gfx-queues-on-navi10.patch
blob: 54547afff25ab91bca3edc2bd6639e1d07730d06 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
From 350fbcc51bd3b92cc417f7a48efb5e9aee16c448 Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Tue, 14 Aug 2018 20:54:35 +0800
Subject: [PATCH 2174/2940] drm/amdgpu: create mqd for gfx queues on navi10

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jack Xiao <jack.xiao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 35 ++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 0b595b63520b..8c2b8543d7bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -389,6 +389,27 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 				dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
 	}
 
+	if (adev->asic_type == CHIP_NAVI10 && amdgpu_async_gfx_ring) {
+		/* create MQD for each KGQ */
+		for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
+			ring = &adev->gfx.gfx_ring[i];
+			if (!ring->mqd_obj) {
+				r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
+							    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
+							    &ring->mqd_gpu_addr, &ring->mqd_ptr);
+				if (r) {
+					dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
+					return r;
+				}
+
+				/* prepare MQD backup */
+				adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);
+				if (!adev->gfx.me.mqd_backup[i])
+					dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
+			}
+		}
+	}
+
 	/* create MQD for each KCQ */
 	for (i = 0; i < adev->gfx.num_compute_rings; i++) {
 		ring = &adev->gfx.compute_ring[i];
@@ -397,7 +418,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 						    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
 						    &ring->mqd_gpu_addr, &ring->mqd_ptr);
 			if (r) {
-				dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);
+				dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
 				return r;
 			}
 
@@ -416,6 +437,16 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
 	struct amdgpu_ring *ring = NULL;
 	int i;
 
+	if (adev->asic_type == CHIP_NAVI10 && amdgpu_async_gfx_ring) {
+		for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
+			ring = &adev->gfx.gfx_ring[i];
+			kfree(adev->gfx.me.mqd_backup[i]);
+			amdgpu_bo_free_kernel(&ring->mqd_obj,
+					      &ring->mqd_gpu_addr,
+					      &ring->mqd_ptr);
+		}
+	}
+
 	for (i = 0; i < adev->gfx.num_compute_rings; i++) {
 		ring = &adev->gfx.compute_ring[i];
 		kfree(adev->gfx.mec.mqd_backup[i]);
@@ -425,6 +456,8 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
 	}
 
 	ring = &adev->gfx.kiq.ring;
+	if (adev->asic_type == CHIP_NAVI10 && amdgpu_async_gfx_ring)
+		kfree(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS]);
 	kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
 	amdgpu_bo_free_kernel(&ring->mqd_obj,
 			      &ring->mqd_gpu_addr,
-- 
2.17.1