diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 87 |
1 files changed, 85 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index 5bc93a1ce3e3..3ced9948a331 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -10,6 +10,7 @@ #include "gem/i915_gem_internal.h" #include "gem/i915_gem_region.h" #include "gem/i915_gem_ttm.h" +#include "gem/i915_gem_ttm_move.h" #include "gt/intel_engine_pm.h" #include "gt/intel_gpu_commands.h" #include "gt/intel_gt.h" @@ -21,6 +22,7 @@ #include "i915_selftest.h" #include "selftests/i915_random.h" #include "selftests/igt_flush_test.h" +#include "selftests/igt_reset.h" #include "selftests/igt_mmap.h" struct tile { @@ -979,6 +981,9 @@ static int igt_mmap(void *arg) }; int i; + if (mr->private) + continue; + for (i = 0; i < ARRAY_SIZE(sizes); i++) { struct drm_i915_gem_object *obj; int err; @@ -1160,6 +1165,7 @@ out_unmap: #define IGT_MMAP_MIGRATE_FILL (1 << 1) #define IGT_MMAP_MIGRATE_EVICTABLE (1 << 2) #define IGT_MMAP_MIGRATE_UNFAULTABLE (1 << 3) +#define IGT_MMAP_MIGRATE_FAIL_GPU (1 << 4) static int __igt_mmap_migrate(struct intel_memory_region **placements, int n_placements, struct intel_memory_region *expected_mr, @@ -1221,8 +1227,10 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements, expand32(POISON_INUSE), &rq); i915_gem_object_unpin_pages(obj); if (rq) { - dma_resv_add_fence(obj->base.resv, &rq->fence, - DMA_RESV_USAGE_KERNEL); + err = dma_resv_reserve_fences(obj->base.resv, 1); + if (!err) + dma_resv_add_fence(obj->base.resv, &rq->fence, + DMA_RESV_USAGE_KERNEL); i915_request_put(rq); } i915_gem_object_unlock(obj); @@ -1232,13 +1240,62 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements, if (flags & IGT_MMAP_MIGRATE_EVICTABLE) igt_make_evictable(&objects); + if (flags & IGT_MMAP_MIGRATE_FAIL_GPU) { + err = i915_gem_object_lock(obj, NULL); + if (err) + goto out_put; + + /* + * Ensure we only simulate the gpu failuire when faulting the + * pages. + */ + err = i915_gem_object_wait_moving_fence(obj, true); + i915_gem_object_unlock(obj); + if (err) + goto out_put; + i915_ttm_migrate_set_failure_modes(true, false); + } + err = ___igt_mmap_migrate(i915, obj, addr, flags & IGT_MMAP_MIGRATE_UNFAULTABLE); + if (!err && obj->mm.region != expected_mr) { pr_err("%s region mismatch %s\n", __func__, expected_mr->name); err = -EINVAL; } + if (flags & IGT_MMAP_MIGRATE_FAIL_GPU) { + struct intel_gt *gt; + unsigned int id; + + i915_ttm_migrate_set_failure_modes(false, false); + + for_each_gt(gt, i915, id) { + intel_wakeref_t wakeref; + bool wedged; + + mutex_lock(>->reset.mutex); + wedged = test_bit(I915_WEDGED, >->reset.flags); + mutex_unlock(>->reset.mutex); + if (!wedged) { + pr_err("gt(%u) not wedged\n", id); + err = -EINVAL; + continue; + } + + wakeref = intel_runtime_pm_get(gt->uncore->rpm); + igt_global_reset_lock(gt); + intel_gt_reset(gt, ALL_ENGINES, NULL); + igt_global_reset_unlock(gt); + intel_runtime_pm_put(gt->uncore->rpm, wakeref); + } + + if (!i915_gem_object_has_unknown_state(obj)) { + pr_err("object missing unknown_state\n"); + err = -EINVAL; + } + } + out_put: i915_gem_object_put(obj); igt_close_objects(i915, &objects); @@ -1319,6 +1376,23 @@ static int igt_mmap_migrate(void *arg) IGT_MMAP_MIGRATE_TOPDOWN | IGT_MMAP_MIGRATE_FILL | IGT_MMAP_MIGRATE_UNFAULTABLE); + if (err) + goto out_io_size; + + /* + * Allocate in the non-mappable portion, but force migrating to + * the mappable portion on fault (LMEM -> LMEM). We then also + * simulate a gpu error when moving the pages when faulting the + * pages, which should result in wedging the gpu and returning + * SIGBUS in the fault handler, since we can't fallback to + * memcpy. + */ + err = __igt_mmap_migrate(single, ARRAY_SIZE(single), mr, + IGT_MMAP_MIGRATE_TOPDOWN | + IGT_MMAP_MIGRATE_FILL | + IGT_MMAP_MIGRATE_EVICTABLE | + IGT_MMAP_MIGRATE_FAIL_GPU | + IGT_MMAP_MIGRATE_UNFAULTABLE); out_io_size: mr->io_size = saved_io_size; i915_ttm_buddy_man_force_visible_size(man, @@ -1435,6 +1509,9 @@ static int igt_mmap_access(void *arg) struct drm_i915_gem_object *obj; int err; + if (mr->private) + continue; + obj = __i915_gem_object_create_user(i915, PAGE_SIZE, &mr, 1); if (obj == ERR_PTR(-ENODEV)) continue; @@ -1580,6 +1657,9 @@ static int igt_mmap_gpu(void *arg) struct drm_i915_gem_object *obj; int err; + if (mr->private) + continue; + obj = __i915_gem_object_create_user(i915, PAGE_SIZE, &mr, 1); if (obj == ERR_PTR(-ENODEV)) continue; @@ -1727,6 +1807,9 @@ static int igt_mmap_revoke(void *arg) struct drm_i915_gem_object *obj; int err; + if (mr->private) + continue; + obj = __i915_gem_object_create_user(i915, PAGE_SIZE, &mr, 1); if (obj == ERR_PTR(-ENODEV)) continue; |