blob: 0a9aa27d02e520fa27bae257ee14e74115ac9e26 (
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
|
From 148f3d0786d30aa36adf097fe450b79446946400 Mon Sep 17 00:00:00 2001
From: Feifei Xu <Feifei.Xu@amd.com>
Date: Thu, 5 Dec 2019 11:25:42 +0800
Subject: [PATCH 4647/4736] Revert "Revert "drm/amdgpu: Set GTT size to be
bigger than 3/4 of RAM""
This reverts commit 50fab61ae24facd04e5460b1b92745c893a847b5.
This patch should not be cherry-picked to release branch.
This is for kfd/rocm performance improvement.
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 6d295e7ee444..d93bfaca5daf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2156,11 +2156,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
struct sysinfo si;
si_meminfo(&si);
- gtt_size = min(max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
- adev->gmc.mc_vram_size),
- ((uint64_t)si.totalram * si.mem_unit * 3/4));
- }
- else
+ gtt_size = max3((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->gmc.mc_vram_size,
+ ((uint64_t)si.totalram * si.mem_unit));
+ } else
gtt_size = (uint64_t)amdgpu_gtt_size << 20;
/* reserve for DGMA import domain */
--
2.17.1
|
