From add14edc8f7d511ccc48ccd693c963f751e24ede Mon Sep 17 00:00:00 2001 From: Robert Foss Date: Wed, 7 Dec 2016 15:07:39 -0500 Subject: tests/sw_sync: Add subtest test_sync_busy This subtest verifies that waiting on fences works properly. Signed-off-by: Robert Foss Reviewed-by: Eric Engestrom Reviewed-by: Tomeu Vizoso --- tests/sw_sync.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'tests') diff --git a/tests/sw_sync.c b/tests/sw_sync.c index 1af571bb..075791fd 100644 --- a/tests/sw_sync.c +++ b/tests/sw_sync.c @@ -29,6 +29,7 @@ #include "igt.h" #include "igt_aux.h" +#include "igt_primes.h" #include "sw_sync.h" @@ -81,6 +82,53 @@ static void test_alloc_merge_fence(void) close(timeline[1]); } +static void test_sync_busy(void) +{ + int fence, ret; + int timeline; + int seqno; + + timeline = sw_sync_timeline_create(); + fence = sw_sync_fence_create(timeline, 5); + + /* Make sure that fence has not been signaled yet */ + ret = sync_wait(fence, 0); + igt_assert_f(ret == -1 && errno == ETIME, "Fence signaled early (timeline value 0, fence seqno 5)\n"); + + /* Advance timeline from 0 -> 1 */ + sw_sync_timeline_inc(timeline, 1); + + /* Make sure that fence has not been signaled yet */ + ret = sync_wait(fence, 0); + igt_assert_f(ret == -1 && errno == ETIME, "Fence signaled early (timeline value 1, fence seqno 5)\n"); + + /* Advance timeline from 1 -> 5: signaling the fence (seqno 5)*/ + sw_sync_timeline_inc(timeline, 4); + ret = sync_wait(fence, 0); + igt_assert_f(ret == 0, "Fence not signaled (timeline value 5, fence seqno 5)\n"); + + /* Go even further, and confirm wait still succeeds */ + sw_sync_timeline_inc(timeline, 5); + ret = sync_wait(fence, 0); + igt_assert_f(ret == 0, "Fence not signaled (timeline value 10, fence seqno 5)\n"); + + seqno = 10; + for_each_prime_number(prime, 100) { + int fence_prime; + seqno += prime; + + fence_prime = sw_sync_fence_create(timeline, seqno); + sw_sync_timeline_inc(timeline, prime); + + ret = sync_wait(fence_prime, 0); + igt_assert_f(ret == 0, "Fence not signaled during test of prime timeline increments\n"); + close(fence_prime); + } + + close(fence); + close(timeline); +} + igt_main { igt_subtest("alloc_timeline") @@ -94,5 +142,8 @@ igt_main igt_subtest("alloc_merge_fence") test_alloc_merge_fence(); + + igt_subtest("sync_busy") + test_sync_busy(); } -- cgit v1.2.3