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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-11-12 11:09:06 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-11-13 09:38:09 +0000 |
| commit | 5a1b32698fd86444986b362c9cfe17047d155fb0 (patch) | |
| tree | 36dc161d75071fe20ecc4e02d9107729eba87236 /tests/i915/gem_mmap_gtt.c | |
| parent | 1e2525da258aab5e0e3a7705ea8e89b521d5bf88 (diff) | |
i915/gem_mmap_gtt: Reset a busy mmaped object
Exercise the gtt mmap revocation for a reset on a busy object.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Diffstat (limited to 'tests/i915/gem_mmap_gtt.c')
| -rw-r--r-- | tests/i915/gem_mmap_gtt.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c index 3cce19e9..d2c45e52 100644 --- a/tests/i915/gem_mmap_gtt.c +++ b/tests/i915/gem_mmap_gtt.c @@ -45,6 +45,7 @@ #include "igt.h" #include "igt_sysfs.h" #include "igt_x86.h" +#include "sw_sync.h" #ifndef PAGE_SIZE #define PAGE_SIZE 4096 @@ -729,6 +730,59 @@ test_hang(int fd) igt_disallow_hang(fd, hang); } +static void +test_hang_busy(int i915) +{ + uint32_t *ptr, *tile, *x; + igt_spin_t *spin; + igt_hang_t hang; + uint32_t handle; + + hang = igt_allow_hang(i915, 0, 0); + igt_require(igt_params_set(i915, "reset", "1")); /* global */ + + spin = igt_spin_new(i915, .flags = IGT_SPIN_POLL_RUN | IGT_SPIN_FENCE_OUT | IGT_SPIN_NO_PREEMPTION); + igt_spin_busywait_until_started(spin); + igt_assert(spin->execbuf.buffer_count == 2); + + handle = gem_create(i915, 2 << 20); + gem_set_tiling(i915, handle, I915_TILING_X, 512); + + spin->obj[0].handle = handle; + spin->obj[0].flags = EXEC_OBJECT_WRITE; + gem_execbuf(i915, &spin->execbuf); + + /* Fault in the busy objects */ + igt_debug("Faulting in busy batch\n"); + ptr = gem_mmap__gtt(i915, spin->handle, 4096, PROT_READ); + x = ptr + ((uintptr_t)spin->condition & 4095) / sizeof(*ptr); + igt_assert_eq_u32(READ_ONCE(*x), spin->cmd_precondition); + + igt_debug("Faulting in busy tile\n"); + tile = gem_mmap__gtt(i915, handle, 2 << 20, PROT_WRITE); + *tile = 0xdeadbeef; + + igt_debug("Resetting GPU\n"); + igt_assert(gem_bo_busy(i915, spin->handle)); + igt_assert(gem_bo_busy(i915, handle)); + igt_force_gpu_reset(i915); + + /* Check we reset the busy mmap */ + igt_debug("Sync\n"); + gem_sync(i915, spin->handle); + igt_assert_eq(sync_fence_status(spin->out_fence), -5); + + igt_debug("Refault and verify\n"); + igt_assert_eq_u32(READ_ONCE(*tile), 0xdeadbeef); + munmap(tile, 2 << 20); + + igt_assert_eq_u32(READ_ONCE(*x), spin->cmd_precondition); + munmap(ptr, 4096); + + igt_spin_free(i915, spin); + igt_disallow_hang(i915, hang); +} + static int min_tile_width(uint32_t devid, int tiling) { if (tiling < 0) { @@ -1183,6 +1237,8 @@ igt_main test_clflush(fd); igt_subtest("hang") test_hang(fd); + igt_subtest("hang-busy") + test_hang_busy(fd); igt_subtest("basic-read-write") test_read_write(fd, READ_BEFORE_WRITE); igt_subtest("basic-write-read") |