diff options
author | José Roberto de Souza <jose.souza@intel.com> | 2019-04-02 17:20:12 -0700 |
---|---|---|
committer | José Roberto de Souza <jose.souza@intel.com> | 2019-04-03 13:05:37 -0700 |
commit | c9a9cf357b6b2a304623790bf8dae797e12888a8 (patch) | |
tree | 6f1ed9d2a225ff2b649e1f22b39423708e5c57b2 /tests/i915 | |
parent | cf6ee44092c88580355133ce39b6d587e1f2efcd (diff) |
tests: Remove i915_missed_irq
i915_ring_missed_irq was removed from debugfs in kernel patch
789659f4307a ("drm/i915: Drop fake breadcrumb irq") and it was the
base of which i915_missed_irq was written, so removing this test for
good.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'tests/i915')
-rw-r--r-- | tests/i915/i915_missed_irq.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/tests/i915/i915_missed_irq.c b/tests/i915/i915_missed_irq.c deleted file mode 100644 index 302da0e8..00000000 --- a/tests/i915/i915_missed_irq.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright © 2016 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - */ - -#include <sched.h> - -#include "igt.h" -#include "igt_debugfs.h" -#include "igt_dummyload.h" -#include "igt_sysfs.h" - -IGT_TEST_DESCRIPTION("Inject missed interrupts and make sure they are caught"); - -static void trigger_missed_interrupt(int fd, unsigned ring) -{ - igt_spin_t *spin = __igt_spin_batch_new(fd, .engine = ring); - uint32_t go; - int link[2]; - - igt_assert(pipe(link) == 0); - - igt_fork(child, 1) { - /* - * We are now a low priority child on the *same* CPU as the - * parent. We will have to wait for our parent to sleep - * (gem_sync -> i915_wait_request) before we run. - */ - read(link[0], &go, sizeof(go)); - igt_assert(gem_bo_busy(fd, spin->handle)); - igt_spin_batch_end(spin); - } - - write(link[1], &go, sizeof(go)); - gem_sync(fd, spin->handle); - igt_waitchildren(); - - igt_spin_batch_free(fd, spin); - close(link[1]); - close(link[0]); -} - -static void bind_to_cpu(int cpu) -{ - const int ncpus = sysconf(_SC_NPROCESSORS_ONLN); - struct sched_param rt = {.sched_priority = 99 }; - cpu_set_t allowed; - - igt_assert(sched_setscheduler(getpid(), SCHED_RR | SCHED_RESET_ON_FORK, &rt) == 0); - - CPU_ZERO(&allowed); - CPU_SET(cpu % ncpus, &allowed); - igt_assert(sched_setaffinity(getpid(), sizeof(cpu_set_t), &allowed) == 0); -} - -static void enable_missed_irq(int dir) -{ - igt_sysfs_printf(dir, "i915_ring_test_irq", "0x%x", -1); -} - -static uint32_t disable_missed_irq(int dir) -{ - uint32_t mask = 0; - - igt_sysfs_scanf(dir, "i915_ring_test_irq", "%x", &mask); - igt_sysfs_set(dir, "i915_ring_test_irq", "0"); - - return mask; -} - -static uint32_t engine_mask(int dir) -{ - enable_missed_irq(dir); - return disable_missed_irq(dir); -} - -igt_simple_main -{ - const struct intel_execution_engine *e; - unsigned expect_rings; - unsigned missed_rings; - unsigned check_rings; - int debugfs, device; - - igt_skip_on_simulation(); - bind_to_cpu(0); - - device = drm_open_driver(DRIVER_INTEL); - igt_require_gem(device); - igt_skip_on(gem_has_guc_submission(device)); /* irq forced for guc */ - gem_require_mmap_wc(device); - debugfs = igt_debugfs_dir(device); - - expect_rings = engine_mask(debugfs); - igt_require(expect_rings); - - igt_fork_hang_detector(device); - - igt_debug("Clearing rings %x\n", expect_rings); - intel_detect_and_clear_missed_interrupts(device); - for (e = intel_execution_engines; e->name; e++) { - if (expect_rings == -1 && e->exec_id) - continue; - - if (expect_rings != -1 && e->exec_id == 0) - continue; - - if (!gem_has_ring(device, e->exec_id | e->flags)) - continue; - - igt_debug("Clearing ring %s [%x]\n", - e->name, e->exec_id | e->flags); - trigger_missed_interrupt(device, e->exec_id | e->flags); - } - igt_assert_eq(intel_detect_and_clear_missed_interrupts(device), 0); - - igt_debug("Testing rings %x\n", expect_rings); - enable_missed_irq(debugfs); - for (e = intel_execution_engines; e->name; e++) { - if (expect_rings == -1 && e->exec_id) - continue; - - if (expect_rings != -1 && e->exec_id == 0) - continue; - - if (!gem_has_ring(device, e->exec_id | e->flags)) - continue; - - igt_debug("Executing on ring %s [%x]\n", - e->name, e->exec_id | e->flags); - trigger_missed_interrupt(device, e->exec_id | e->flags); - } - missed_rings = intel_detect_and_clear_missed_interrupts(device); - - check_rings = disable_missed_irq(debugfs); - igt_assert_eq_u32(check_rings, expect_rings); - - if (expect_rings == -1) - igt_assert_eq_u32(missed_rings, 1); - else - igt_assert_eq_u32(missed_rings, expect_rings); - - close(debugfs); - igt_stop_hang_detector(); - close(device); -} |