i915/selftests/i915_sw_fence.c

98 	struct i915_sw_fence *A, *B, *C;
114 	B = alloc_fence();
115 	if (!B) {
120 	i915_sw_fence_await_sw_fence_gfp(A, B, GFP_KERNEL);
121 	if (i915_sw_fence_await_sw_fence_gfp(B, A, GFP_KERNEL) != -EINVAL) {
132 	if (i915_sw_fence_await_sw_fence_gfp(B, C, GFP_KERNEL) == -EINVAL) {
136 	if (i915_sw_fence_await_sw_fence_gfp(C, B, GFP_KERNEL) != -EINVAL) {
150 	i915_sw_fence_commit(B);
158 	if (!i915_sw_fence_done(B)) {
159 		pr_err("fence B not done\n");
169 	free_fence(B);
177 	struct i915_sw_fence *A, *B;
180 	/* Test i915_sw_fence (A) waiting on an event source (B) */
184 	B = alloc_fence();
185 	if (!B) {
190 	ret = i915_sw_fence_await_sw_fence_gfp(A, B, GFP_KERNEL);
204 	i915_sw_fence_commit(B);
205 	if (!i915_sw_fence_done(B)) {
206 		pr_err("Fence B is not done\n");
217 	free_fence(B);
225 	struct i915_sw_fence *A, *B, *C;
228 	/* Test a chain of fences, A waits on B who waits on C */
233 	B = alloc_fence();
234 	if (!B) {
245 	ret = i915_sw_fence_await_sw_fence_gfp(A, B, GFP_KERNEL);
249 		pr_err("Incorrectly reported fence B was complete before await\n");
253 	ret = i915_sw_fence_await_sw_fence_gfp(B, C, GFP_KERNEL);
268 	i915_sw_fence_commit(B);
269 	if (i915_sw_fence_done(B)) {
270 		pr_err("Fence B completed early\n");
275 		pr_err("Fence A completed early (after signaling B)\n");
286 	if (!i915_sw_fence_done(B)) {
287 		pr_err("Fence B not done\n");
297 	free_fence(B);
305 	struct i915_sw_fence *A, *B, *C;
313 	B = alloc_fence();
314 	if (!B) {
333 	ret = i915_sw_fence_await_sw_fence_gfp(B, C, GFP_KERNEL);
342 	i915_sw_fence_commit(B);
350 	if (i915_sw_fence_done(B)) {
351 		pr_err("Fence B completed early\n");
361 	if (!i915_sw_fence_done(B)) {
362 		pr_err("Fence B not done\n");
374 	free_fence(B);
382 	struct i915_sw_fence *A, *B, *C;
385 	/* Test multiple event sources (A,B) for a single fence (C) */
390 	B = alloc_fence();
391 	if (!B) {
410 	ret = i915_sw_fence_await_sw_fence_gfp(C, B, GFP_KERNEL);
424 	i915_sw_fence_commit(B);
431 	if (!i915_sw_fence_done(B)) {
432 		pr_err("Fence B not done\n");
444 	free_fence(B);