Actually measure how many batches we can fit into a ring before blocking, or else we may end up hanging the device earlier than expected! v2: Mostly conservative. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109014 Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> --- tests/i915/gem_eio.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/tests/i915/gem_eio.c b/tests/i915/gem_eio.c index 09059c311..61054a07e 100644 --- a/tests/i915/gem_eio.c +++ b/tests/i915/gem_eio.c @@ -44,6 +44,7 @@ #include "igt_device.h" #include "igt_sysfs.h" #include "sw_sync.h" +#include "i915/gem_ring.h" IGT_TEST_DESCRIPTION("Test that specific ioctls report a wedged GPU (EIO)."); @@ -358,16 +359,21 @@ static void test_inflight(int fd, unsigned int wait) { int parent_fd = fd; unsigned int engine; + int fence[64]; /* mostly conservative estimate of ring size */ + int max; igt_require_gem(fd); igt_require(gem_has_exec_fence(fd)); + max = gem_measure_ring_inflight(fd, -1, 0); + igt_require(max > 1); + max = min(max - 1, ARRAY_SIZE(fence)); + for_each_engine(parent_fd, engine) { const uint32_t bbe = MI_BATCH_BUFFER_END; struct drm_i915_gem_exec_object2 obj[2]; struct drm_i915_gem_execbuffer2 execbuf; igt_spin_t *hang; - int fence[64]; /* conservative estimate of ring size */ fd = gem_reopen_driver(parent_fd); igt_require_gem(fd); @@ -389,7 +395,7 @@ static void test_inflight(int fd, unsigned int wait) execbuf.buffer_count = 2; execbuf.flags = engine | I915_EXEC_FENCE_OUT; - for (unsigned int n = 0; n < ARRAY_SIZE(fence); n++) { + for (unsigned int n = 0; n < max; n++) { gem_execbuf_wr(fd, &execbuf); fence[n] = execbuf.rsvd2 >> 32; igt_assert(fence[n] != -1); @@ -397,7 +403,7 @@ static void test_inflight(int fd, unsigned int wait) check_wait(fd, obj[1].handle, wait); - for (unsigned int n = 0; n < ARRAY_SIZE(fence); n++) { + for (unsigned int n = 0; n < max; n++) { igt_assert_eq(sync_fence_status(fence[n]), -EIO); close(fence[n]); } @@ -416,8 +422,13 @@ static void test_inflight_suspend(int fd) struct drm_i915_gem_execbuffer2 execbuf; struct drm_i915_gem_exec_object2 obj[2]; uint32_t bbe = MI_BATCH_BUFFER_END; - int fence[64]; /* conservative estimate of ring size */ + int fence[64]; /* mostly conservative estimate of ring size */ igt_spin_t *hang; + int max; + + max = gem_measure_ring_inflight(fd, -1, 0); + igt_require(max > 1); + max = min(max - 1, ARRAY_SIZE(fence)); fd = gem_reopen_driver(fd); igt_require_gem(fd); @@ -437,7 +448,7 @@ static void test_inflight_suspend(int fd) execbuf.buffer_count = 2; execbuf.flags = I915_EXEC_FENCE_OUT; - for (unsigned int n = 0; n < ARRAY_SIZE(fence); n++) { + for (unsigned int n = 0; n < max; n++) { gem_execbuf_wr(fd, &execbuf); fence[n] = execbuf.rsvd2 >> 32; igt_assert(fence[n] != -1); @@ -448,7 +459,7 @@ static void test_inflight_suspend(int fd) check_wait(fd, obj[1].handle, 10); - for (unsigned int n = 0; n < ARRAY_SIZE(fence); n++) { + for (unsigned int n = 0; n < max; n++) { igt_assert_eq(sync_fence_status(fence[n]), -EIO); close(fence[n]); } -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
