blob: ef2669fcad3980e347756490e0a55eecf5b3cc45 (
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
|
From fe4dc2639d9edab456d6cc191a0ff9f8e3491fda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 11 Mar 2016 15:29:27 +0100
Subject: [PATCH 0387/1110] drm/amdgpu: allow write access to mapped userptrs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
With the updated MMU notifier we should also be able to
handle the writeback case correctly.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index dcf6611..e9bf5a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -258,12 +258,10 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
AMDGPU_GEM_USERPTR_REGISTER))
return -EINVAL;
- if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && (
- !(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) ||
- !(args->flags & AMDGPU_GEM_USERPTR_REGISTER))) {
+ if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) &&
+ !(args->flags & AMDGPU_GEM_USERPTR_REGISTER)) {
- /* if we want to write to it we must require anonymous
- memory and install a MMU notifier */
+ /* if we want to write to it we must install a MMU notifier */
return -EACCES;
}
--
2.7.4
|
