moved to front of file. stub fence will be used by timeline syncobj as well.
Signed-off-by: Chunming Zhou david1.zhou@amd.com Cc: Jason Ekstrand jason@jlekstrand.net Reviewed-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/drm_syncobj.c | 53 +++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index d17ed75ac7e2..abbb22c97f7a 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -56,6 +56,33 @@ #include "drm_internal.h" #include <drm/drm_syncobj.h>
+struct drm_syncobj_stub_fence { + struct dma_fence base; + spinlock_t lock; +}; + +static const char *drm_syncobj_stub_fence_get_name(struct dma_fence *fence) +{ + return "syncobjstub"; +} + +static bool drm_syncobj_stub_fence_enable_signaling(struct dma_fence *fence) +{ + return !dma_fence_is_signaled(fence); +} + +static void drm_syncobj_stub_fence_release(struct dma_fence *f) +{ + kfree(f); +} +static const struct dma_fence_ops drm_syncobj_stub_fence_ops = { + .get_driver_name = drm_syncobj_stub_fence_get_name, + .get_timeline_name = drm_syncobj_stub_fence_get_name, + .enable_signaling = drm_syncobj_stub_fence_enable_signaling, + .release = drm_syncobj_stub_fence_release, +}; + + /** * drm_syncobj_find - lookup and reference a sync object. * @file_private: drm file private pointer @@ -172,37 +199,15 @@ void drm_syncobj_replace_fence(struct drm_syncobj *syncobj, } EXPORT_SYMBOL(drm_syncobj_replace_fence);
-struct drm_syncobj_null_fence { - struct dma_fence base; - spinlock_t lock; -}; - -static const char *drm_syncobj_null_fence_get_name(struct dma_fence *fence) -{ - return "syncobjnull"; -} - -static bool drm_syncobj_null_fence_enable_signaling(struct dma_fence *fence) -{ - return !dma_fence_is_signaled(fence); -} - -static const struct dma_fence_ops drm_syncobj_null_fence_ops = { - .get_driver_name = drm_syncobj_null_fence_get_name, - .get_timeline_name = drm_syncobj_null_fence_get_name, - .enable_signaling = drm_syncobj_null_fence_enable_signaling, - .release = NULL, -}; - static int drm_syncobj_assign_null_handle(struct drm_syncobj *syncobj) { - struct drm_syncobj_null_fence *fence; + struct drm_syncobj_stub_fence *fence; fence = kzalloc(sizeof(*fence), GFP_KERNEL); if (fence == NULL) return -ENOMEM;
spin_lock_init(&fence->lock); - dma_fence_init(&fence->base, &drm_syncobj_null_fence_ops, + dma_fence_init(&fence->base, &drm_syncobj_stub_fence_ops, &fence->lock, 0, 0); dma_fence_signal(&fence->base);