blob: 288f7c556c8d1195e653a3e21739c6f87596cb5b (
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
|
From 70945135305d8980b95b3c848b7ac480946e2c99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 4 Oct 2018 10:27:48 +0200
Subject: [PATCH 5522/5725] drm/amdgpu: fix AGP location with VRAM at 0x0
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
That also simplifies handling quite a bit.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 9a5b252..999e159 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -200,16 +200,13 @@ void amdgpu_gmc_agp_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)
}
if (size_bf > size_af) {
- mc->agp_start = mc->fb_start > mc->gart_start ?
- mc->gart_end + 1 : 0;
+ mc->agp_start = (mc->fb_start - size_bf) & sixteen_gb_mask;
mc->agp_size = size_bf;
} else {
- mc->agp_start = (mc->fb_start > mc->gart_start ?
- mc->fb_end : mc->gart_end) + 1,
+ mc->agp_start = ALIGN(mc->fb_end + 1, sixteen_gb);
mc->agp_size = size_af;
}
- mc->agp_start = ALIGN(mc->agp_start, sixteen_gb);
mc->agp_end = mc->agp_start + mc->agp_size - 1;
dev_info(adev->dev, "AGP: %lluM 0x%016llX - 0x%016llX\n",
mc->agp_size >> 20, mc->agp_start, mc->agp_end);
--
2.7.4
|
