1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
9 #include <linux/dma-fence-unwrap.h>
20 	if (sync_op->flags & ~DRM_PVR_SYNC_OP_FLAGS_MASK)  in pvr_check_sync_op()
21 		return -EINVAL;  in pvr_check_sync_op()
23 	handle_type = sync_op->flags & DRM_PVR_SYNC_OP_FLAG_HANDLE_TYPE_MASK;  in pvr_check_sync_op()
26 		return -EINVAL;  in pvr_check_sync_op()
29 	    sync_op->value != 0)  in pvr_check_sync_op()
30 		return -EINVAL;  in pvr_check_sync_op()
41 	drm_syncobj_put(sig_sync->syncobj);  in pvr_sync_signal_free()
42 	dma_fence_chain_free(sig_sync->chain);  in pvr_sync_signal_free()
43 	dma_fence_put(sig_sync->fence);  in pvr_sync_signal_free()
60 pvr_sync_signal_array_add(struct xarray *array, struct drm_file *file, u32 handle, u64 point)  in pvr_sync_signal_array_add()  argument
69 		return ERR_PTR(-ENOMEM);  in pvr_sync_signal_array_add()
71 	sig_sync->handle = handle;  in pvr_sync_signal_array_add()
72 	sig_sync->point = point;  in pvr_sync_signal_array_add()
74 	if (point > 0) {  in pvr_sync_signal_array_add()
75 		sig_sync->chain = dma_fence_chain_alloc();  in pvr_sync_signal_array_add()
76 		if (!sig_sync->chain) {  in pvr_sync_signal_array_add()
77 			err = -ENOMEM;  in pvr_sync_signal_array_add()
82 	sig_sync->syncobj = drm_syncobj_find(file, handle);  in pvr_sync_signal_array_add()
83 	if (!sig_sync->syncobj) {  in pvr_sync_signal_array_add()
84 		err = -EINVAL;  in pvr_sync_signal_array_add()
88 	/* Retrieve the current fence attached to that point. It's  in pvr_sync_signal_array_add()
89 	 * perfectly fine to get a NULL fence here, it just means there's  in pvr_sync_signal_array_add()
90 	 * no fence attached to that point yet.  in pvr_sync_signal_array_add()
92 	if (!drm_syncobj_find_fence(file, handle, point, 0, &cur_fence))  in pvr_sync_signal_array_add()
93 		sig_sync->fence = cur_fence;  in pvr_sync_signal_array_add()
107 pvr_sync_signal_array_search(struct xarray *array, u32 handle, u64 point)  in pvr_sync_signal_array_search()  argument
113 		if (handle == sig_sync->handle && point == sig_sync->point)  in pvr_sync_signal_array_search()
121 pvr_sync_signal_array_get(struct xarray *array, struct drm_file *file, u32 handle, u64 point)  in pvr_sync_signal_array_get()  argument
125 	sig_sync = pvr_sync_signal_array_search(array, handle, point);  in pvr_sync_signal_array_get()
129 	return pvr_sync_signal_array_add(array, file, handle, point);  in pvr_sync_signal_array_get()
175 			return -EINVAL;  in pvr_sync_signal_array_update_fences()
177 		old_fence = sig_sync->fence;  in pvr_sync_signal_array_update_fences()
178 		sig_sync->fence = dma_fence_get(done_fence);  in pvr_sync_signal_array_update_fences()
181 		if (WARN_ON(!sig_sync->fence))  in pvr_sync_signal_array_update_fences()
182 			return -EINVAL;  in pvr_sync_signal_array_update_fences()
195 		if (sig_sync->chain) {  in pvr_sync_signal_array_push_fences()
196 			drm_syncobj_add_point(sig_sync->syncobj, sig_sync->chain,  in pvr_sync_signal_array_push_fences()
197 					      sig_sync->fence, sig_sync->point);  in pvr_sync_signal_array_push_fences()
198 			sig_sync->chain = NULL;  in pvr_sync_signal_array_push_fences()
200 			drm_syncobj_replace_fence(sig_sync->syncobj, sig_sync->fence);  in pvr_sync_signal_array_push_fences()
218 	/* No need to unwrap the fence if it's fully non-native. */  in pvr_sync_add_dep_to_job()
237 							   dma_fence_get(&s_fence->scheduled));  in pvr_sync_add_dep_to_job()
272 			if (WARN_ON(!sig_sync->fence))  in pvr_sync_add_deps_to_job()
273 				return -EINVAL;  in pvr_sync_add_deps_to_job()
275 			fence = dma_fence_get(sig_sync->fence);  in pvr_sync_add_deps_to_job()