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>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index c5519ca..4a8ac1c 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -867,6 +867,8 @@
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 96e4400..0e9143b 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -713,7 +713,7 @@
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 @@
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 @@
{
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 @@
}
radeon_fence_unref(&vm->fence);
radeon_fence_unref(&vm->last_flush);
+ radeon_fence_unref(&vm->last_id_use);
mutex_unlock(&vm->mutex);
}