git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-23 05:56:14 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: remove the exclusive lock

Browse Source 
Finally getting rid of it.

Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Christian König
2015-09-01 15:13:53 +02:00
committed by Alex Deucher
parent b7e4dad3e1
commit 0c418f1010
6 changed files with 8 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@@ -831,11 +831,8 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
bool reserved_buffers = false;
int i, r;
down_read(&adev->exclusive_lock);
if (!adev->accel_working) {
up_read(&adev->exclusive_lock);
if (!adev->accel_working)
return -EBUSY;
}
parser = amdgpu_cs_parser_create(adev, filp, NULL, NULL, 0);
if (!parser)
@@ -843,8 +840,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
r = amdgpu_cs_parser_init(parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
kfree(parser);
up_read(&adev->exclusive_lock);
amdgpu_cs_parser_fini(parser, r, false);
r = amdgpu_cs_handle_lockup(adev, r);
return r;
}
@@ -915,14 +911,12 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
mutex_unlock(&job->job_lock);
amdgpu_cs_parser_fini_late(parser);
up_read(&adev->exclusive_lock);
return 0;
}
cs->out.handle = parser->ibs[parser->num_ibs - 1].sequence;
out:
amdgpu_cs_parser_fini(parser, r, reserved_buffers);
up_read(&adev->exclusive_lock);
r = amdgpu_cs_handle_lockup(adev, r);
return r;
}