summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2014-01-23 14:24:15 +0100
committerAlex Deucher <alexander.deucher@amd.com>2014-01-29 15:23:01 -0500
commit593b26353f1965682db955d0d2af8bc564aabdf8 (patch)
treedc24b66b42f54aa23d73d58fad5be7c02ee19d93 /drivers
parent45ab1e07808585c645bc82afd7487a91390f5511 (diff)
downloadlinux-593b26353f1965682db955d0d2af8bc564aabdf8.tar.bz2
drm/radeon: fix VMID use tracking
Otherwise we allocate a new VMID on nearly every submit. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/radeon.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_gart.c8
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index c5519ca4bbc4..4a8ac1cd6b4c 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -867,6 +867,8 @@ struct radeon_vm {
struct radeon_fence *fence;
/* last flush or NULL if we still need to flush */
struct radeon_fence *last_flush;
+ /* last use of vmid */
+ struct radeon_fence *last_id_use;
};
struct radeon_vm_manager {
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 96e440061bdb..0e9143bd35e3 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -713,7 +713,7 @@ struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
unsigned i;
/* check if the id is still valid */
- if (vm->fence && vm->fence == rdev->vm_manager.active[vm->id])
+ if (vm->last_id_use && vm->last_id_use == rdev->vm_manager.active[vm->id])
return NULL;
/* we definately need to flush */
@@ -769,6 +769,9 @@ void radeon_vm_fence(struct radeon_device *rdev,
radeon_fence_unref(&vm->fence);
vm->fence = radeon_fence_ref(fence);
+
+ radeon_fence_unref(&vm->last_id_use);
+ vm->last_id_use = radeon_fence_ref(fence);
}
/**
@@ -1303,6 +1306,8 @@ void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
{
vm->id = 0;
vm->fence = NULL;
+ vm->last_flush = NULL;
+ vm->last_id_use = NULL;
mutex_init(&vm->mutex);
INIT_LIST_HEAD(&vm->list);
INIT_LIST_HEAD(&vm->va);
@@ -1341,5 +1346,6 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm)
}
radeon_fence_unref(&vm->fence);
radeon_fence_unref(&vm->last_flush);
+ radeon_fence_unref(&vm->last_id_use);
mutex_unlock(&vm->mutex);
}