diff options
Diffstat (limited to '')
24 files changed, 1118 insertions, 366 deletions
diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c index 91c72911be3c..7efb326badcd 100644 --- a/drivers/gpu/drm/i915/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/selftests/huge_pages.c @@ -338,7 +338,7 @@ fake_huge_pages_object(struct drm_i915_private *i915, u64 size, bool single) static int igt_check_page_sizes(struct i915_vma *vma) { - struct drm_i915_private *i915 = to_i915(vma->obj->base.dev); + struct drm_i915_private *i915 = vma->vm->i915; unsigned int supported = INTEL_INFO(i915)->page_sizes; struct drm_i915_gem_object *obj = vma->obj; int err = 0; @@ -379,7 +379,7 @@ static int igt_check_page_sizes(struct i915_vma *vma) static int igt_mock_exhaust_device_supported_pages(void *arg) { struct i915_hw_ppgtt *ppgtt = arg; - struct drm_i915_private *i915 = ppgtt->base.i915; + struct drm_i915_private *i915 = ppgtt->vm.i915; unsigned int saved_mask = INTEL_INFO(i915)->page_sizes; struct drm_i915_gem_object *obj; struct i915_vma *vma; @@ -415,7 +415,7 @@ static int igt_mock_exhaust_device_supported_pages(void *arg) goto out_put; } - vma = i915_vma_instance(obj, &ppgtt->base, NULL); + vma = i915_vma_instance(obj, &ppgtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out_put; @@ -458,7 +458,7 @@ out_device: static int igt_mock_ppgtt_misaligned_dma(void *arg) { struct i915_hw_ppgtt *ppgtt = arg; - struct drm_i915_private *i915 = ppgtt->base.i915; + struct drm_i915_private *i915 = ppgtt->vm.i915; unsigned long supported = INTEL_INFO(i915)->page_sizes; struct drm_i915_gem_object *obj; int bit; @@ -500,7 +500,7 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg) /* Force the page size for this object */ obj->mm.page_sizes.sg = page_size; - vma = i915_vma_instance(obj, &ppgtt->base, NULL); + vma = i915_vma_instance(obj, &ppgtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out_unpin; @@ -570,6 +570,7 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg) i915_vma_close(vma); i915_gem_object_unpin_pages(obj); + __i915_gem_object_put_pages(obj, I915_MM_NORMAL); i915_gem_object_put(obj); } @@ -591,12 +592,13 @@ static void close_object_list(struct list_head *objects, list_for_each_entry_safe(obj, on, objects, st_link) { struct i915_vma *vma; - vma = i915_vma_instance(obj, &ppgtt->base, NULL); + vma = i915_vma_instance(obj, &ppgtt->vm, NULL); if (!IS_ERR(vma)) i915_vma_close(vma); list_del(&obj->st_link); i915_gem_object_unpin_pages(obj); + __i915_gem_object_put_pages(obj, I915_MM_NORMAL); i915_gem_object_put(obj); } } @@ -604,8 +606,8 @@ static void close_object_list(struct list_head *objects, static int igt_mock_ppgtt_huge_fill(void *arg) { struct i915_hw_ppgtt *ppgtt = arg; - struct drm_i915_private *i915 = ppgtt->base.i915; - unsigned long max_pages = ppgtt->base.total >> PAGE_SHIFT; + struct drm_i915_private *i915 = ppgtt->vm.i915; + unsigned long max_pages = ppgtt->vm.total >> PAGE_SHIFT; unsigned long page_num; bool single = false; LIST_HEAD(objects); @@ -641,7 +643,7 @@ static int igt_mock_ppgtt_huge_fill(void *arg) list_add(&obj->st_link, &objects); - vma = i915_vma_instance(obj, &ppgtt->base, NULL); + vma = i915_vma_instance(obj, &ppgtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); break; @@ -725,7 +727,7 @@ static int igt_mock_ppgtt_huge_fill(void *arg) static int igt_mock_ppgtt_64K(void *arg) { struct i915_hw_ppgtt *ppgtt = arg; - struct drm_i915_private *i915 = ppgtt->base.i915; + struct drm_i915_private *i915 = ppgtt->vm.i915; struct drm_i915_gem_object *obj; const struct object_info { unsigned int size; @@ -819,7 +821,7 @@ static int igt_mock_ppgtt_64K(void *arg) */ obj->mm.page_sizes.sg &= ~I915_GTT_PAGE_SIZE_2M; - vma = i915_vma_instance(obj, &ppgtt->base, NULL); + vma = i915_vma_instance(obj, &ppgtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out_object_unpin; @@ -866,6 +868,7 @@ static int igt_mock_ppgtt_64K(void *arg) i915_vma_close(vma); i915_gem_object_unpin_pages(obj); + __i915_gem_object_put_pages(obj, I915_MM_NORMAL); i915_gem_object_put(obj); } } @@ -887,8 +890,8 @@ out_object_put: static struct i915_vma * gpu_write_dw(struct i915_vma *vma, u64 offset, u32 val) { - struct drm_i915_private *i915 = to_i915(vma->obj->base.dev); - const int gen = INTEL_GEN(vma->vm->i915); + struct drm_i915_private *i915 = vma->vm->i915; + const int gen = INTEL_GEN(i915); unsigned int count = vma->size >> PAGE_SHIFT; struct drm_i915_gem_object *obj; struct i915_vma *batch; @@ -919,12 +922,12 @@ gpu_write_dw(struct i915_vma *vma, u64 offset, u32 val) *cmd++ = val; } else if (gen >= 4) { *cmd++ = MI_STORE_DWORD_IMM_GEN4 | - (gen < 6 ? 1 << 22 : 0); + (gen < 6 ? MI_USE_GGTT : 0); *cmd++ = 0; *cmd++ = offset; *cmd++ = val; } else { - *cmd++ = MI_STORE_DWORD_IMM | 1 << 22; + *cmd++ = MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL; *cmd++ = offset; *cmd++ = val; } @@ -985,7 +988,10 @@ static int gpu_write(struct i915_vma *vma, goto err_request; } - i915_vma_move_to_active(batch, rq, 0); + err = i915_vma_move_to_active(batch, rq, 0); + if (err) + goto err_request; + i915_gem_object_set_active_reference(batch->obj); i915_vma_unpin(batch); i915_vma_close(batch); @@ -996,14 +1002,12 @@ static int gpu_write(struct i915_vma *vma, if (err) goto err_request; - i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); - - reservation_object_lock(vma->resv, NULL); - reservation_object_add_excl_fence(vma->resv, &rq->fence); - reservation_object_unlock(vma->resv); + err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); + if (err) + i915_request_skip(rq, err); err_request: - __i915_request_add(rq, err == 0); + i915_request_add(rq); return err; } @@ -1047,7 +1051,8 @@ static int __igt_write_huge(struct i915_gem_context *ctx, u32 dword, u32 val) { struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_address_space *vm = ctx->ppgtt ? &ctx->ppgtt->base : &i915->ggtt.base; + struct i915_address_space *vm = + ctx->ppgtt ? &ctx->ppgtt->vm : &i915->ggtt.vm; unsigned int flags = PIN_USER | PIN_OFFSET_FIXED; struct i915_vma *vma; int err; @@ -1100,7 +1105,8 @@ static int igt_write_huge(struct i915_gem_context *ctx, struct drm_i915_gem_object *obj) { struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_address_space *vm = ctx->ppgtt ? &ctx->ppgtt->base : &i915->ggtt.base; + struct i915_address_space *vm = + ctx->ppgtt ? &ctx->ppgtt->vm : &i915->ggtt.vm; static struct intel_engine_cs *engines[I915_NUM_ENGINES]; struct intel_engine_cs *engine; I915_RND_STATE(prng); @@ -1262,6 +1268,7 @@ static int igt_ppgtt_exhaust_huge(void *arg) } i915_gem_object_unpin_pages(obj); + __i915_gem_object_put_pages(obj, I915_MM_NORMAL); i915_gem_object_put(obj); } } @@ -1323,6 +1330,7 @@ static int igt_ppgtt_internal_huge(void *arg) } i915_gem_object_unpin_pages(obj); + __i915_gem_object_put_pages(obj, I915_MM_NORMAL); i915_gem_object_put(obj); } @@ -1391,6 +1399,7 @@ static int igt_ppgtt_gemfs_huge(void *arg) } i915_gem_object_unpin_pages(obj); + __i915_gem_object_put_pages(obj, I915_MM_NORMAL); i915_gem_object_put(obj); } @@ -1439,7 +1448,7 @@ static int igt_ppgtt_pin_update(void *arg) if (IS_ERR(obj)) return PTR_ERR(obj); - vma = i915_vma_instance(obj, &ppgtt->base, NULL); + vma = i915_vma_instance(obj, &ppgtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out_put; @@ -1493,7 +1502,7 @@ static int igt_ppgtt_pin_update(void *arg) if (IS_ERR(obj)) return PTR_ERR(obj); - vma = i915_vma_instance(obj, &ppgtt->base, NULL); + vma = i915_vma_instance(obj, &ppgtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out_put; @@ -1531,7 +1540,8 @@ static int igt_tmpfs_fallback(void *arg) struct i915_gem_context *ctx = arg; struct drm_i915_private *i915 = ctx->i915; struct vfsmount *gemfs = i915->mm.gemfs; - struct i915_address_space *vm = ctx->ppgtt ? &ctx->ppgtt->base : &i915->ggtt.base; + struct i915_address_space *vm = + ctx->ppgtt ? &ctx->ppgtt->vm : &i915->ggtt.vm; struct drm_i915_gem_object *obj; struct i915_vma *vma; u32 *vaddr; @@ -1587,7 +1597,8 @@ static int igt_shrink_thp(void *arg) { struct i915_gem_context *ctx = arg; struct drm_i915_private *i915 = ctx->i915; - struct i915_address_space *vm = ctx->ppgtt ? &ctx->ppgtt->base : &i915->ggtt.base; + struct i915_address_space *vm = + ctx->ppgtt ? &ctx->ppgtt->vm : &i915->ggtt.vm; struct drm_i915_gem_object *obj; struct i915_vma *vma; unsigned int flags = PIN_USER; @@ -1690,20 +1701,20 @@ int i915_gem_huge_page_mock_selftests(void) dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(39)); mutex_lock(&dev_priv->drm.struct_mutex); - ppgtt = i915_ppgtt_create(dev_priv, ERR_PTR(-ENODEV), "mock"); + ppgtt = i915_ppgtt_create(dev_priv, ERR_PTR(-ENODEV)); if (IS_ERR(ppgtt)) { err = PTR_ERR(ppgtt); goto out_unlock; } - if (!i915_vm_is_48bit(&ppgtt->base)) { + if (!i915_vm_is_48bit(&ppgtt->vm)) { pr_err("failed to create 48b PPGTT\n"); err = -EINVAL; goto out_close; } /* If we were ever hit this then it's time to mock the 64K scratch */ - if (!i915_vm_has_scratch_64K(&ppgtt->base)) { + if (!i915_vm_has_scratch_64K(&ppgtt->vm)) { pr_err("PPGTT missing 64K scratch page\n"); err = -EINVAL; goto out_close; @@ -1712,7 +1723,7 @@ int i915_gem_huge_page_mock_selftests(void) err = i915_subtests(tests, ppgtt); out_close: - i915_ppgtt_close(&ppgtt->base); + i915_ppgtt_close(&ppgtt->vm); i915_ppgtt_put(ppgtt); out_unlock: @@ -1720,7 +1731,7 @@ out_unlock: i915_modparams.enable_ppgtt = saved_ppgtt; - drm_dev_unref(&dev_priv->drm); + drm_dev_put(&dev_priv->drm); return err; } @@ -1744,6 +1755,9 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *dev_priv) return 0; } + if (i915_terminally_wedged(&dev_priv->gpu_error)) + return 0; + file = mock_file(dev_priv); if (IS_ERR(file)) return PTR_ERR(file); @@ -1758,7 +1772,7 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *dev_priv) } if (ctx->ppgtt) - ctx->ppgtt->base.scrub_64K = true; + ctx->ppgtt->vm.scrub_64K = true; err = i915_subtests(tests, ctx); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c index 340a98c0c804..3a095c37c120 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c @@ -42,11 +42,21 @@ static int cpu_set(struct drm_i915_gem_object *obj, page = i915_gem_object_get_page(obj, offset >> PAGE_SHIFT); map = kmap_atomic(page); - if (needs_clflush & CLFLUSH_BEFORE) + + if (needs_clflush & CLFLUSH_BEFORE) { + mb(); clflush(map+offset_in_page(offset) / sizeof(*map)); + mb(); + } + map[offset_in_page(offset) / sizeof(*map)] = v; - if (needs_clflush & CLFLUSH_AFTER) + + if (needs_clflush & CLFLUSH_AFTER) { + mb(); clflush(map+offset_in_page(offset) / sizeof(*map)); + mb(); + } + kunmap_atomic(map); i915_gem_obj_finish_shmem_access(obj); @@ -68,8 +78,13 @@ static int cpu_get(struct drm_i915_gem_object *obj, page = i915_gem_object_get_page(obj, offset >> PAGE_SHIFT); map = kmap_atomic(page); - if (needs_clflush & CLFLUSH_BEFORE) + + if (needs_clflush & CLFLUSH_BEFORE) { + mb(); clflush(map+offset_in_page(offset) / sizeof(*map)); + mb(); + } + *v = map[offset_in_page(offset) / sizeof(*map)]; kunmap_atomic(map); @@ -199,7 +214,7 @@ static int gpu_set(struct drm_i915_gem_object *obj, cs = intel_ring_begin(rq, 4); if (IS_ERR(cs)) { - __i915_request_add(rq, false); + i915_request_add(rq); i915_vma_unpin(vma); return PTR_ERR(cs); } @@ -210,28 +225,24 @@ static int gpu_set(struct drm_i915_gem_object *obj, *cs++ = upper_32_bits(i915_ggtt_offset(vma) + offset); *cs++ = v; } else if (INTEL_GEN(i915) >= 4) { - *cs++ = MI_STORE_DWORD_IMM_GEN4 | 1 << 22; + *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT; *cs++ = 0; *cs++ = i915_ggtt_offset(vma) + offset; *cs++ = v; } else { - *cs++ = MI_STORE_DWORD_IMM | 1 << 22; + *cs++ = MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL; *cs++ = i915_ggtt_offset(vma) + offset; *cs++ = v; *cs++ = MI_NOOP; } intel_ring_advance(rq, cs); - i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); + err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); i915_vma_unpin(vma); - reservation_object_lock(obj->resv, NULL); - reservation_object_add_excl_fence(obj->resv, &rq->fence); - reservation_object_unlock(obj->resv); - - __i915_request_add(rq, true); + i915_request_add(rq); - return 0; + return err; } static bool always_valid(struct drm_i915_private *i915) @@ -239,8 +250,16 @@ static bool always_valid(struct drm_i915_private *i915) return true; } +static bool needs_fence_registers(struct drm_i915_private *i915) +{ + return !i915_terminally_wedged(&i915->gpu_error); +} + static bool needs_mi_store_dword(struct drm_i915_private *i915) { + if (i915_terminally_wedged(&i915->gpu_error)) + return false; + return intel_engine_can_store_dword(i915->engine[RCS]); } @@ -251,7 +270,7 @@ static const struct igt_coherency_mode { bool (*valid)(struct drm_i915_private *i915); } igt_coherency_mode[] = { { "cpu", cpu_set, cpu_get, always_valid }, - { "gtt", gtt_set, gtt_get, always_valid }, + { "gtt", gtt_set, gtt_get, needs_fence_registers }, { "wc", wc_set, wc_get, always_valid }, { "gpu", gpu_set, NULL, needs_mi_store_dword }, { }, diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c index ddb03f009232..1c92560d35da 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c @@ -23,9 +23,11 @@ */ #include "../i915_selftest.h" +#include "i915_random.h" #include "igt_flush_test.h" #include "mock_drm.h" +#include "mock_gem_device.h" #include "huge_gem_object.h" #define DW_PER_PAGE (PAGE_SIZE / sizeof(u32)) @@ -62,12 +64,12 @@ gpu_fill_dw(struct i915_vma *vma, u64 offset, unsigned long count, u32 value) *cmd++ = value; } else if (gen >= 4) { *cmd++ = MI_STORE_DWORD_IMM_GEN4 | - (gen < 6 ? 1 << 22 : 0); + (gen < 6 ? MI_USE_GGTT : 0); *cmd++ = 0; *cmd++ = offset; *cmd++ = value; } else { - *cmd++ = MI_STORE_DWORD_IMM | 1 << 22; + *cmd++ = MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL; *cmd++ = offset; *cmd++ = value; } @@ -114,7 +116,7 @@ static int gpu_fill(struct drm_i915_gem_object *obj, { struct drm_i915_private *i915 = to_i915(obj->base.dev); struct i915_address_space *vm = - ctx->ppgtt ? &ctx->ppgtt->base : &i915->ggtt.base; + ctx->ppgtt ? &ctx->ppgtt->vm : &i915->ggtt.vm; struct i915_request *rq; struct i915_vma *vma; struct i915_vma *batch; @@ -169,24 +171,28 @@ static int gpu_fill(struct drm_i915_gem_object *obj, if (err) goto err_request; - i915_vma_move_to_active(batch, rq, 0); + err = i915_vma_move_to_active(batch, rq, 0); + if (err) + goto skip_request; + + err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); + if (err) + goto skip_request; + i915_gem_object_set_active_reference(batch->obj); i915_vma_unpin(batch); i915_vma_close(batch); - i915_vma_move_to_active(vma, rq, 0); i915_vma_unpin(vma); - reservation_object_lock(obj->resv, NULL); - reservation_object_add_excl_fence(obj->resv, &rq->fence); - reservation_object_unlock(obj->resv); - - __i915_request_add(rq, true); + i915_request_add(rq); return 0; +skip_request: + i915_request_skip(rq, err); err_request: - __i915_request_add(rq, false); + i915_request_add(rq); err_batch: i915_vma_unpin(batch); err_vma: @@ -247,9 +253,9 @@ static int cpu_check(struct drm_i915_gem_object *obj, unsigned int max) } for (; m < DW_PER_PAGE; m++) { - if (map[m] != 0xdeadbeef) { + if (map[m] != STACK_MAGIC) { pr_err("Invalid value at page %d, offset %d: found %x expected %x\n", - n, m, map[m], 0xdeadbeef); + n, m, map[m], STACK_MAGIC); err = -EINVAL; goto out_unmap; } @@ -289,7 +295,7 @@ create_test_object(struct i915_gem_context *ctx, { struct drm_i915_gem_object *obj; struct i915_address_space *vm = - ctx->ppgtt ? &ctx->ppgtt->base : &ctx->i915->ggtt.base; + ctx->ppgtt ? &ctx->ppgtt->vm : &ctx->i915->ggtt.vm; u64 size; int err; @@ -305,7 +311,7 @@ create_test_object(struct i915_gem_context *ctx, if (err) return ERR_PTR(err); - err = cpu_fill(obj, 0xdeadbeef); + err = cpu_fill(obj, STACK_MAGIC); if (err) { pr_err("Failed to fill object with cpu, err=%d\n", err); @@ -335,11 +341,15 @@ static int igt_ctx_exec(void *arg) bool first_shared_gtt = true; int err = -ENODEV; - /* Create a few different contexts (with different mm) and write + /* + * Create a few different contexts (with different mm) and write * through each ctx/mm using the GPU making sure those writes end * up in the expected pages of our obj. */ + if (!DRIVER_CAPS(i915)->has_logical_contexts) + return 0; + file = mock_file(i915); if (IS_ERR(file)) return PTR_ERR(file); @@ -366,6 +376,9 @@ static int igt_ctx_exec(void *arg) } for_each_engine(engine, i915, id) { + if (!engine->context_size) + continue; /* No logical context support in HW */ + if (!intel_engine_can_store_dword(engine)) continue; @@ -420,6 +433,237 @@ out_unlock: return err; } +static int igt_ctx_readonly(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct drm_i915_gem_object *obj = NULL; + struct drm_file *file; + I915_RND_STATE(prng); + IGT_TIMEOUT(end_time); + LIST_HEAD(objects); + struct i915_gem_context *ctx; + struct i915_hw_ppgtt *ppgtt; + unsigned long ndwords, dw; + int err = -ENODEV; + + /* + * Create a few read-only objects (with the occasional writable object) + * and try to write into these object checking that the GPU discards + * any write to a read-only object. + */ + + file = mock_file(i915); + if (IS_ERR(file)) + return PTR_ERR(file); + + mutex_lock(&i915->drm.struct_mutex); + + ctx = i915_gem_create_context(i915, file->driver_priv); + if (IS_ERR(ctx)) { + err = PTR_ERR(ctx); + goto out_unlock; + } + + ppgtt = ctx->ppgtt ?: i915->mm.aliasing_ppgtt; + if (!ppgtt || !ppgtt->vm.has_read_only) { + err = 0; + goto out_unlock; + } + + ndwords = 0; + dw = 0; + while (!time_after(jiffies, end_time)) { + struct intel_engine_cs *engine; + unsigned int id; + + for_each_engine(engine, i915, id) { + if (!intel_engine_can_store_dword(engine)) + continue; + + if (!obj) { + obj = create_test_object(ctx, file, &objects); + if (IS_ERR(obj)) { + err = PTR_ERR(obj); + goto out_unlock; + } + + if (prandom_u32_state(&prng) & 1) + i915_gem_object_set_readonly(obj); + } + + intel_runtime_pm_get(i915); + err = gpu_fill(obj, ctx, engine, dw); + intel_runtime_pm_put(i915); + if (err) { + pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) in ctx %u [full-ppgtt? %s], err=%d\n", + ndwords, dw, max_dwords(obj), + engine->name, ctx->hw_id, + yesno(!!ctx->ppgtt), err); + goto out_unlock; + } + + if (++dw == max_dwords(obj)) { + obj = NULL; + dw = 0; + } + ndwords++; + } + } + pr_info("Submitted %lu dwords (across %u engines)\n", + ndwords, INTEL_INFO(i915)->num_rings); + + dw = 0; + list_for_each_entry(obj, &objects, st_link) { + unsigned int rem = + min_t(unsigned int, ndwords - dw, max_dwords(obj)); + unsigned int num_writes; + + num_writes = rem; + if (i915_gem_object_is_readonly(obj)) + num_writes = 0; + + err = cpu_check(obj, num_writes); + if (err) + break; + + dw += rem; + } + +out_unlock: + if (igt_flush_test(i915, I915_WAIT_LOCKED)) + err = -EIO; + mutex_unlock(&i915->drm.struct_mutex); + + mock_file_free(i915, file); + return err; +} + +static __maybe_unused const char * +__engine_name(struct drm_i915_private *i915, unsigned int engines) +{ + struct intel_engine_cs *engine; + unsigned int tmp; + + if (engines == ALL_ENGINES) + return "all"; + + for_each_engine_masked(engine, i915, engines, tmp) + return engine->name; + + return "none"; +} + +static int __igt_switch_to_kernel_context(struct drm_i915_private *i915, + struct i915_gem_context *ctx, + unsigned int engines) +{ + struct intel_engine_cs *engine; + unsigned int tmp; + int err; + + GEM_TRACE("Testing %s\n", __engine_name(i915, engines)); + for_each_engine_masked(engine, i915, engines, tmp) { + struct i915_request *rq; + + rq = i915_request_alloc(engine, ctx); + if (IS_ERR(rq)) + return PTR_ERR(rq); + + i915_request_add(rq); + } + + err = i915_gem_switch_to_kernel_context(i915); + if (err) + return err; + + for_each_engine_masked(engine, i915, engines, tmp) { + if (!engine_has_kernel_context_barrier(engine)) { + pr_err("kernel context not last on engine %s!\n", + engine->name); + return -EINVAL; + } + } + + err = i915_gem_wait_for_idle(i915, + I915_WAIT_LOCKED, + MAX_SCHEDULE_TIMEOUT); + if (err) + return err; + + GEM_BUG_ON(i915->gt.active_requests); + for_each_engine_masked(engine, i915, engines, tmp) { + if (engine->last_retired_context->gem_context != i915->kernel_context) { + pr_err("engine %s not idling in kernel context!\n", + engine->name); + return -EINVAL; + } + } + + err = i915_gem_switch_to_kernel_context(i915); + if (err) + return err; + + if (i915->gt.active_requests) { + pr_err("switch-to-kernel-context emitted %d requests even though it should already be idling in the kernel context\n", + i915->gt.active_requests); + return -EINVAL; + } + + for_each_engine_masked(engine, i915, engines, tmp) { + if (!intel_engine_has_kernel_context(engine)) { + pr_err("kernel context not last on engine %s!\n", + engine->name); + return -EINVAL; + } + } + + return 0; +} + +static int igt_switch_to_kernel_context(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct intel_engine_cs *engine; + struct i915_gem_context *ctx; + enum intel_engine_id id; + int err; + + /* + * A core premise of switching to the kernel context is that + * if an engine is already idling in the kernel context, we + * do not emit another request and wake it up. The other being + * that we do indeed end up idling in the kernel context. + */ + + mutex_lock(&i915->drm.struct_mutex); + ctx = kernel_context(i915); + if (IS_ERR(ctx)) { + mutex_unlock(&i915->drm.struct_mutex); + return PTR_ERR(ctx); + } + + /* First check idling each individual engine */ + for_each_engine(engine, i915, id) { + err = __igt_switch_to_kernel_context(i915, ctx, BIT(id)); + if (err) + goto out_unlock; + } + + /* Now en masse */ + err = __igt_switch_to_kernel_context(i915, ctx, ALL_ENGINES); + if (err) + goto out_unlock; + +out_unlock: + GEM_TRACE_DUMP_ON(err); + if (igt_flush_test(i915, I915_WAIT_LOCKED)) + err = -EIO; + mutex_unlock(&i915->drm.struct_mutex); + + kernel_context_close(ctx); + return err; +} + static int fake_aliasing_ppgtt_enable(struct drm_i915_private *i915) { struct drm_i915_gem_object *obj; @@ -432,7 +676,7 @@ static int fake_aliasing_ppgtt_enable(struct drm_i915_private *i915) list_for_each_entry(obj, &i915->mm.bound_list, mm.link) { struct i915_vma *vma; - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) continue; @@ -447,14 +691,37 @@ static void fake_aliasing_ppgtt_disable(struct drm_i915_private *i915) i915_gem_fini_aliasing_ppgtt(i915); } +int i915_gem_context_mock_selftests(void) +{ + static const struct i915_subtest tests[] = { + SUBTEST(igt_switch_to_kernel_context), + }; + struct drm_i915_private *i915; + int err; + + i915 = mock_gem_device(); + if (!i915) + return -ENOMEM; + + err = i915_subtests(tests, i915); + + drm_dev_put(&i915->drm); + return err; +} + int i915_gem_context_live_selftests(struct drm_i915_private *dev_priv) { static const struct i915_subtest tests[] = { + SUBTEST(igt_switch_to_kernel_context), SUBTEST(igt_ctx_exec), + SUBTEST(igt_ctx_readonly), }; bool fake_alias = false; int err; + if (i915_terminally_wedged(&dev_priv->gpu_error)) + return 0; + /* Install a fake aliasing gtt for exercise */ if (USES_PPGTT(dev_priv) && !dev_priv->mm.aliasing_ppgtt) { mutex_lock(&dev_priv->drm.struct_mutex); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c index 89dc25a5a53b..a7055b12e53c 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c @@ -389,7 +389,7 @@ int i915_gem_dmabuf_mock_selftests(void) err = i915_subtests(tests, i915); - drm_dev_unref(&i915->drm); + drm_dev_put(&i915->drm); return err; } diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c index ab9d7bee0aae..128ad1cf0647 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c @@ -35,7 +35,7 @@ static int populate_ggtt(struct drm_i915_private *i915) u64 size; for (size = 0; - size + I915_GTT_PAGE_SIZE <= i915->ggtt.base.total; + size + I915_GTT_PAGE_SIZE <= i915->ggtt.vm.total; size += I915_GTT_PAGE_SIZE) { struct i915_vma *vma; @@ -57,7 +57,7 @@ static int populate_ggtt(struct drm_i915_private *i915) return -EINVAL; } - if (list_empty(&i915->ggtt.base.inactive_list)) { + if (list_empty(&i915->ggtt.vm.inactive_list)) { pr_err("No objects on the GGTT inactive list!\n"); return -EINVAL; } @@ -69,7 +69,7 @@ static void unpin_ggtt(struct drm_i915_private *i915) { struct i915_vma *vma; - list_for_each_entry(vma, &i915->ggtt.base.inactive_list, vm_link) + list_for_each_entry(vma, &i915->ggtt.vm.inactive_list, vm_link) i915_vma_unpin(vma); } @@ -103,7 +103,7 @@ static int igt_evict_something(void *arg) goto cleanup; /* Everything is pinned, nothing should happen */ - err = i915_gem_evict_something(&ggtt->base, + err = i915_gem_evict_something(&ggtt->vm, I915_GTT_PAGE_SIZE, 0, 0, 0, U64_MAX, 0); @@ -116,7 +116,7 @@ static int igt_evict_something(void *arg) unpin_ggtt(i915); /* Everything is unpinned, we should be able to evict something */ - err = i915_gem_evict_something(&ggtt->base, + err = i915_gem_evict_something(&ggtt->vm, I915_GTT_PAGE_SIZE, 0, 0, 0, U64_MAX, 0); @@ -181,7 +181,7 @@ static int igt_evict_for_vma(void *arg) goto cleanup; /* Everything is pinned, nothing should happen */ - err = i915_gem_evict_for_node(&ggtt->base, &target, 0); + err = i915_gem_evict_for_node(&ggtt->vm, &target, 0); if (err != -ENOSPC) { pr_err("i915_gem_evict_for_node on a full GGTT returned err=%d\n", err); @@ -191,7 +191,7 @@ static int igt_evict_for_vma(void *arg) unpin_ggtt(i915); /* Everything is unpinned, we should be able to evict the node */ - err = i915_gem_evict_for_node(&ggtt->base, &target, 0); + err = i915_gem_evict_for_node(&ggtt->vm, &target, 0); if (err) { pr_err("i915_gem_evict_for_node returned err=%d\n", err); @@ -229,7 +229,7 @@ static int igt_evict_for_cache_color(void *arg) * i915_gtt_color_adjust throughout our driver, so using a mock color * adjust will work just fine for our purposes. */ - ggtt->base.mm.color_adjust = mock_color_adjust; + ggtt->vm.mm.color_adjust = mock_color_adjust; obj = i915_gem_object_create_internal(i915, I915_GTT_PAGE_SIZE); if (IS_ERR(obj)) { @@ -265,7 +265,7 @@ static int igt_evict_for_cache_color(void *arg) i915_vma_unpin(vma); /* Remove just the second vma */ - err = i915_gem_evict_for_node(&ggtt->base, &target, 0); + err = i915_gem_evict_for_node(&ggtt->vm, &target, 0); if (err) { pr_err("[0]i915_gem_evict_for_node returned err=%d\n", err); goto cleanup; @@ -276,7 +276,7 @@ static int igt_evict_for_cache_color(void *arg) */ target.color = I915_CACHE_L3_LLC; - err = i915_gem_evict_for_node(&ggtt->base, &target, 0); + err = i915_gem_evict_for_node(&ggtt->vm, &target, 0); if (!err) { pr_err("[1]i915_gem_evict_for_node returned err=%d\n", err); err = -EINVAL; @@ -288,7 +288,7 @@ static int igt_evict_for_cache_color(void *arg) cleanup: unpin_ggtt(i915); cleanup_objects(i915); - ggtt->base.mm.color_adjust = NULL; + ggtt->vm.mm.color_adjust = NULL; return err; } @@ -305,7 +305,7 @@ static int igt_evict_vm(void *arg) goto cleanup; /* Everything is pinned, nothing should happen */ - err = i915_gem_evict_vm(&ggtt->base); + err = i915_gem_evict_vm(&ggtt->vm); if (err) { pr_err("i915_gem_evict_vm on a full GGTT returned err=%d]\n", err); @@ -314,7 +314,7 @@ static int igt_evict_vm(void *arg) unpin_ggtt(i915); - err = i915_gem_evict_vm(&ggtt->base); + err = i915_gem_evict_vm(&ggtt->vm); if (err) { pr_err("i915_gem_evict_vm on a full GGTT returned err=%d]\n", err); @@ -359,9 +359,9 @@ static int igt_evict_contexts(void *arg) /* Reserve a block so that we know we have enough to fit a few rq */ memset(&hole, 0, sizeof(hole)); - err = i915_gem_gtt_insert(&i915->ggtt.base, &hole, + err = i915_gem_gtt_insert(&i915->ggtt.vm, &hole, PRETEND_GGTT_SIZE, 0, I915_COLOR_UNEVICTABLE, - 0, i915->ggtt.base.total, + 0, i915->ggtt.vm.total, PIN_NOEVICT); if (err) goto out_locked; @@ -377,9 +377,9 @@ static int igt_evict_contexts(void *arg) goto out_locked; } - if (i915_gem_gtt_insert(&i915->ggtt.base, &r->node, + if (i915_gem_gtt_insert(&i915->ggtt.vm, &r->node, 1ul << 20, 0, I915_COLOR_UNEVICTABLE, - 0, i915->ggtt.base.total, + 0, i915->ggtt.vm.total, PIN_NOEVICT)) { kfree(r); break; @@ -490,7 +490,7 @@ int i915_gem_evict_mock_selftests(void) err = i915_subtests(tests, i915); mutex_unlock(&i915->drm.struct_mutex); - drm_dev_unref(&i915->drm); + drm_dev_put(&i915->drm); return err; } @@ -500,5 +500,8 @@ int i915_gem_evict_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_evict_contexts), }; + if (i915_terminally_wedged(&i915->gpu_error)) + return 0; + return i915_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index f7dc926f4ef1..8e2e269db97e 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -32,6 +32,20 @@ #include "mock_drm.h" #include "mock_gem_device.h" +static void cleanup_freed_objects(struct drm_i915_private *i915) +{ + /* + * As we may hold onto the struct_mutex for inordinate lengths of + * time, the NMI khungtaskd detector may fire for the free objects + * worker. + */ + mutex_unlock(&i915->drm.struct_mutex); + + i915_gem_drain_freed_objects(i915); + + mutex_lock(&i915->drm.struct_mutex); +} + static void fake_free_pages(struct drm_i915_gem_object *obj, struct sg_table *pages) { @@ -134,31 +148,34 @@ static int igt_ppgtt_alloc(void *arg) { struct drm_i915_private *dev_priv = arg; struct i915_hw_ppgtt *ppgtt; - u64 size, last; - int err; + u64 size, last, limit; + int err = 0; /* Allocate a ppggt and try to fill the entire range */ if (!USES_PPGTT(dev_priv)) return 0; - ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL); - if (!ppgtt) - return -ENOMEM; + ppgtt = __hw_ppgtt_create(dev_priv); + if (IS_ERR(ppgtt)) + return PTR_ERR(ppgtt); - mutex_lock(&dev_priv->drm.struct_mutex); - err = __hw_ppgtt_init(ppgtt, dev_priv); - if (err) - goto err_ppgtt; - - if (!ppgtt->base.allocate_va_range) + if (!ppgtt->vm.allocate_va_range) goto err_ppgtt_cleanup; + /* + * While we only allocate the page tables here and so we could + * address a much larger GTT than we could actually fit into + * RAM, a practical limit is the amount of physical pages in the system. + * This should ensure that we do not run into the oomkiller during + * the test and take down the machine wilfully. + */ + limit = totalram_pages << PAGE_SHIFT; + limit = min(ppgtt->vm.total, limit); + /* Check we can allocate the entire range */ - for (size = 4096; - size <= ppgtt->base.total; - size <<= 2) { - err = ppgtt->base.allocate_va_range(&ppgtt->base, 0, size); + for (size = 4096; size <= limit; size <<= 2) { + err = ppgtt->vm.allocate_va_range(&ppgtt->vm, 0, size); if (err) { if (err == -ENOMEM) { pr_info("[1] Ran out of memory for va_range [0 + %llx] [bit %d]\n", @@ -168,15 +185,15 @@ static int igt_ppgtt_alloc(void *arg) goto err_ppgtt_cleanup; } - ppgtt->base.clear_range(&ppgtt->base, 0, size); + cond_resched(); + + ppgtt->vm.clear_range(&ppgtt->vm, 0, size); } /* Check we can incrementally allocate the entire range */ - for (last = 0, size = 4096; - size <= ppgtt->base.total; - last = size, size <<= 2) { - err = ppgtt->base.allocate_va_range(&ppgtt->base, - last, size - last); + for (last = 0, size = 4096; size <= limit; last = size, size <<= 2) { + err = ppgtt->vm.allocate_va_range(&ppgtt->vm, + last, size - last); if (err) { if (err == -ENOMEM) { pr_info("[2] Ran out of memory for va_range [%llx + %llx] [bit %d]\n", @@ -185,13 +202,14 @@ static int igt_ppgtt_alloc(void *arg) } goto err_ppgtt_cleanup; } + + cond_resched(); } err_ppgtt_cleanup: - ppgtt->base.cleanup(&ppgtt->base); -err_ppgtt: + mutex_lock(&dev_priv->drm.struct_mutex); + i915_ppgtt_put(ppgtt); mutex_unlock(&dev_priv->drm.struct_mutex); - kfree(ppgtt); return err; } @@ -293,6 +311,8 @@ static int lowlevel_hole(struct drm_i915_private *i915, i915_gem_object_put(obj); kfree(order); + + cleanup_freed_objects(i915); } return 0; @@ -521,6 +541,7 @@ static int fill_hole(struct drm_i915_private *i915, } close_object_list(&objects, vm); + cleanup_freed_objects(i915); } return 0; @@ -607,6 +628,8 @@ err_put: i915_gem_object_put(obj); if (err) return err; + + cleanup_freed_objects(i915); } return 0; @@ -791,6 +814,8 @@ err_obj: kfree(order); if (err) return err; + + cleanup_freed_objects(i915); } return 0; @@ -859,6 +884,7 @@ static int __shrink_hole(struct drm_i915_private *i915, } close_object_list(&objects, vm); + cleanup_freed_objects(i915); return err; } @@ -951,6 +977,7 @@ static int shrink_boom(struct drm_i915_private *i915, i915_gem_object_put(explode); memset(&vm->fault_attr, 0, sizeof(vm->fault_attr)); + cleanup_freed_objects(i915); } return 0; @@ -982,17 +1009,17 @@ static int exercise_ppgtt(struct drm_i915_private *dev_priv, return PTR_ERR(file); mutex_lock(&dev_priv->drm.struct_mutex); - ppgtt = i915_ppgtt_create(dev_priv, file->driver_priv, "mock"); + ppgtt = i915_ppgtt_create(dev_priv, file->driver_priv); if (IS_ERR(ppgtt)) { err = PTR_ERR(ppgtt); goto out_unlock; } - GEM_BUG_ON(offset_in_page(ppgtt->base.total)); - GEM_BUG_ON(ppgtt->base.closed); + GEM_BUG_ON(offset_in_page(ppgtt->vm.total)); + GEM_BUG_ON(ppgtt->vm.closed); - err = func(dev_priv, &ppgtt->base, 0, ppgtt->base.total, end_time); + err = func(dev_priv, &ppgtt->vm, 0, ppgtt->vm.total, end_time); - i915_ppgtt_close(&ppgtt->base); + i915_ppgtt_close(&ppgtt->vm); i915_ppgtt_put(ppgtt); out_unlock: mutex_unlock(&dev_priv->drm.struct_mutex); @@ -1061,18 +1088,18 @@ static int exercise_ggtt(struct drm_i915_private *i915, mutex_lock(&i915->drm.struct_mutex); restart: - list_sort(NULL, &ggtt->base.mm.hole_stack, sort_holes); - drm_mm_for_each_hole(node, &ggtt->base.mm, hole_start, hole_end) { + list_sort(NULL, &ggtt->vm.mm.hole_stack, sort_holes); + drm_mm_for_each_hole(node, &ggtt->vm.mm, hole_start, hole_end) { if (hole_start < last) continue; - if (ggtt->base.mm.color_adjust) - ggtt->base.mm.color_adjust(node, 0, - &hole_start, &hole_end); + if (ggtt->vm.mm.color_adjust) + ggtt->vm.mm.color_adjust(node, 0, + &hole_start, &hole_end); if (hole_start >= hole_end) continue; - err = func(i915, &ggtt->base, hole_start, hole_end, end_time); + err = func(i915, &ggtt->vm, hole_start, hole_end, end_time); if (err) break; @@ -1134,7 +1161,7 @@ static int igt_ggtt_page(void *arg) goto out_free; memset(&tmp, 0, sizeof(tmp)); - err = drm_mm_insert_node_in_range(&ggtt->base.mm, &tmp, + err = drm_mm_insert_node_in_range(&ggtt->vm.mm, &tmp, count * PAGE_SIZE, 0, I915_COLOR_UNEVICTABLE, 0, ggtt->mappable_end, @@ -1147,9 +1174,9 @@ static int igt_ggtt_page(void *arg) for (n = 0; n < count; n++) { u64 offset = tmp.start + n * PAGE_SIZE; - ggtt->base.insert_page(&ggtt->base, - i915_gem_object_get_dma_address(obj, 0), - offset, I915_CACHE_NONE, 0); + ggtt->vm.insert_page(&ggtt->vm, + i915_gem_object_get_dma_address(obj, 0), + offset, I915_CACHE_NONE, 0); } order = i915_random_order(count, &prng); @@ -1188,7 +1215,7 @@ static int igt_ggtt_page(void *arg) kfree(order); out_remove: - ggtt->base.clear_range(&ggtt->base, tmp.start, tmp.size); + ggtt->vm.clear_range(&ggtt->vm, tmp.start, tmp.size); intel_runtime_pm_put(i915); drm_mm_remove_node(&tmp); out_unpin: @@ -1217,6 +1244,7 @@ static int exercise_mock(struct drm_i915_private *i915, u64 hole_start, u64 hole_end, unsigned long end_time)) { + const u64 limit = totalram_pages << PAGE_SHIFT; struct i915_gem_context *ctx; struct i915_hw_ppgtt *ppgtt; IGT_TIMEOUT(end_time); @@ -1229,7 +1257,7 @@ static int exercise_mock(struct drm_i915_private *i915, ppgtt = ctx->ppgtt; GEM_BUG_ON(!ppgtt); - err = func(i915, &ppgtt->base, 0, ppgtt->base.total, end_time); + err = func(i915, &ppgtt->vm, 0, min(ppgtt->vm.total, limit), end_time); mock_context_close(ctx); return err; @@ -1270,7 +1298,7 @@ static int igt_gtt_reserve(void *arg) /* Start by filling the GGTT */ for (total = 0; - total + 2*I915_GTT_PAGE_SIZE <= i915->ggtt.base.total; + total + 2*I915_GTT_PAGE_SIZE <= i915->ggtt.vm.total; total += 2*I915_GTT_PAGE_SIZE) { struct i915_vma *vma; @@ -1288,20 +1316,20 @@ static int igt_gtt_reserve(void *arg) list_add(&obj->st_link, &objects); - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out; } - err = i915_gem_gtt_reserve(&i915->ggtt.base, &vma->node, + err = i915_gem_gtt_reserve(&i915->ggtt.vm, &vma->node, obj->base.size, total, obj->cache_level, 0); if (err) { pr_err("i915_gem_gtt_reserve (pass 1) failed at %llu/%llu with err=%d\n", - total, i915->ggtt.base.total, err); + total, i915->ggtt.vm.total, err); goto out; } track_vma_bind(vma); @@ -1319,7 +1347,7 @@ static int igt_gtt_reserve(void *arg) /* Now we start forcing evictions */ for (total = I915_GTT_PAGE_SIZE; - total + 2*I915_GTT_PAGE_SIZE <= i915->ggtt.base.total; + total + 2*I915_GTT_PAGE_SIZE <= i915->ggtt.vm.total; total += 2*I915_GTT_PAGE_SIZE) { struct i915_vma *vma; @@ -1337,20 +1365,20 @@ static int igt_gtt_reserve(void *arg) list_add(&obj->st_link, &objects); - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out; } - err = i915_gem_gtt_reserve(&i915->ggtt.base, &vma->node, + err = i915_gem_gtt_reserve(&i915->ggtt.vm, &vma->node, obj->base.size, total, obj->cache_level, 0); if (err) { pr_err("i915_gem_gtt_reserve (pass 2) failed at %llu/%llu with err=%d\n", - total, i915->ggtt.base.total, err); + total, i915->ggtt.vm.total, err); goto out; } track_vma_bind(vma); @@ -1371,7 +1399,7 @@ static int igt_gtt_reserve(void *arg) struct i915_vma *vma; u64 offset; - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out; @@ -1383,18 +1411,18 @@ static int igt_gtt_reserve(void *arg) goto out; } - offset = random_offset(0, i915->ggtt.base.total, + offset = random_offset(0, i915->ggtt.vm.total, 2*I915_GTT_PAGE_SIZE, I915_GTT_MIN_ALIGNMENT); - err = i915_gem_gtt_reserve(&i915->ggtt.base, &vma->node, + err = i915_gem_gtt_reserve(&i915->ggtt.vm, &vma->node, obj->base.size, offset, obj->cache_level, 0); if (err) { pr_err("i915_gem_gtt_reserve (pass 3) failed at %llu/%llu with err=%d\n", - total, i915->ggtt.base.total, err); + total, i915->ggtt.vm.total, err); goto out; } track_vma_bind(vma); @@ -1429,8 +1457,8 @@ static int igt_gtt_insert(void *arg) u64 start, end; } invalid_insert[] = { { - i915->ggtt.base.total + I915_GTT_PAGE_SIZE, 0, - 0, i915->ggtt.base.total, + i915->ggtt.vm.total + I915_GTT_PAGE_SIZE, 0, + 0, i915->ggtt.vm.total, }, { 2*I915_GTT_PAGE_SIZE, 0, @@ -1460,7 +1488,7 @@ static int igt_gtt_insert(void *arg) /* Check a couple of obviously invalid requests */ for (ii = invalid_insert; ii->size; ii++) { - err = i915_gem_gtt_insert(&i915->ggtt.base, &tmp, + err = i915_gem_gtt_insert(&i915->ggtt.vm, &tmp, ii->size, ii->alignment, I915_COLOR_UNEVICTABLE, ii->start, ii->end, @@ -1475,7 +1503,7 @@ static int igt_gtt_insert(void *arg) /* Start by filling the GGTT */ for (total = 0; - total + I915_GTT_PAGE_SIZE <= i915->ggtt.base.total; + total + I915_GTT_PAGE_SIZE <= i915->ggtt.vm.total; total += I915_GTT_PAGE_SIZE) { struct i915_vma *vma; @@ -1493,15 +1521,15 @@ static int igt_gtt_insert(void *arg) list_add(&obj->st_link, &objects); - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out; } - err = i915_gem_gtt_insert(&i915->ggtt.base, &vma->node, + err = i915_gem_gtt_insert(&i915->ggtt.vm, &vma->node, obj->base.size, 0, obj->cache_level, - 0, i915->ggtt.base.total, + 0, i915->ggtt.vm.total, 0); if (err == -ENOSPC) { /* maxed out the GGTT space */ @@ -1510,7 +1538,7 @@ static int igt_gtt_insert(void *arg) } if (err) { pr_err("i915_gem_gtt_insert (pass 1) failed at %llu/%llu with err=%d\n", - total, i915->ggtt.base.total, err); + total, i915->ggtt.vm.total, err); goto out; } track_vma_bind(vma); @@ -1522,7 +1550,7 @@ static int igt_gtt_insert(void *arg) list_for_each_entry(obj, &objects, st_link) { struct i915_vma *vma; - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out; @@ -1542,7 +1570,7 @@ static int igt_gtt_insert(void *arg) struct i915_vma *vma; u64 offset; - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out; @@ -1557,13 +1585,13 @@ static int igt_gtt_insert(void *arg) goto out; } - err = i915_gem_gtt_insert(&i915->ggtt.base, &vma->node, + err = i915_gem_gtt_insert(&i915->ggtt.vm, &vma->node, obj->base.size, 0, obj->cache_level, - 0, i915->ggtt.base.total, + 0, i915->ggtt.vm.total, 0); if (err) { pr_err("i915_gem_gtt_insert (pass 2) failed at %llu/%llu with err=%d\n", - total, i915->ggtt.base.total, err); + total, i915->ggtt.vm.total, err); goto out; } track_vma_bind(vma); @@ -1579,7 +1607,7 @@ static int igt_gtt_insert(void *arg) /* And then force evictions */ for (total = 0; - total + 2*I915_GTT_PAGE_SIZE <= i915->ggtt.base.total; + total + 2*I915_GTT_PAGE_SIZE <= i915->ggtt.vm.total; total += 2*I915_GTT_PAGE_SIZE) { struct i915_vma *vma; @@ -1597,19 +1625,19 @@ static int igt_gtt_insert(void *arg) list_add(&obj->st_link, &objects); - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto out; } - err = i915_gem_gtt_insert(&i915->ggtt.base, &vma->node, + err = i915_gem_gtt_insert(&i915->ggtt.vm, &vma->node, obj->base.size, 0, obj->cache_level, - 0, i915->ggtt.base.total, + 0, i915->ggtt.vm.total, 0); if (err) { pr_err("i915_gem_gtt_insert (pass 3) failed at %llu/%llu with err=%d\n", - total, i915->ggtt.base.total, err); + total, i915->ggtt.vm.total, err); goto out; } track_vma_bind(vma); @@ -1646,7 +1674,7 @@ int i915_gem_gtt_mock_selftests(void) err = i915_subtests(tests, i915); mutex_unlock(&i915->drm.struct_mutex); - drm_dev_unref(&i915->drm); + drm_dev_put(&i915->drm); return err; } @@ -1669,7 +1697,7 @@ int i915_gem_gtt_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_ggtt_page), }; - GEM_BUG_ON(offset_in_page(i915->ggtt.base.total)); + GEM_BUG_ON(offset_in_page(i915->ggtt.vm.total)); return i915_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c index fbdb2419d418..ba4f322d56b8 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c @@ -113,7 +113,7 @@ static int igt_gem_huge(void *arg) obj = huge_gem_object(i915, nreal * PAGE_SIZE, - i915->ggtt.base.total + PAGE_SIZE); + i915->ggtt.vm.total + PAGE_SIZE); if (IS_ERR(obj)) return PTR_ERR(obj); @@ -169,9 +169,16 @@ static u64 tiled_offset(const struct tile *tile, u64 v) v += y * tile->width; v += div64_u64_rem(x, tile->width, &x) << tile->size; v += x; - } else { + } else if (tile->width == 128) { const unsigned int ytile_span = 16; - const unsigned int ytile_height = 32 * ytile_span; + const unsigned int ytile_height = 512; + + v += y * ytile_span; + v += div64_u64_rem(x, ytile_span, &x) * ytile_height; + v += x; + } else { + const unsigned int ytile_span = 32; + const unsigned int ytile_height = 256; v += y * ytile_span; v += div64_u64_rem(x, ytile_span, &x) * ytile_height; @@ -288,6 +295,8 @@ static int check_partial_mapping(struct drm_i915_gem_object *obj, kunmap(p); if (err) return err; + + i915_vma_destroy(vma); } return 0; @@ -311,7 +320,7 @@ static int igt_partial_tiling(void *arg) obj = huge_gem_object(i915, nreal << PAGE_SHIFT, - (1 + next_prime_number(i915->ggtt.base.total >> PAGE_SHIFT)) << PAGE_SHIFT); + (1 + next_prime_number(i915->ggtt.vm.total >> PAGE_SHIFT)) << PAGE_SHIFT); if (IS_ERR(obj)) return PTR_ERR(obj); @@ -347,6 +356,14 @@ static int igt_partial_tiling(void *arg) unsigned int pitch; struct tile tile; + if (i915->quirks & QUIRK_PIN_SWIZZLED_PAGES) + /* + * The swizzling pattern is actually unknown as it + * varies based on physical address of each page. + * See i915_gem_detect_bit_6_swizzle(). + */ + break; + tile.tiling = tiling; switch (tiling) { case I915_TILING_X: @@ -357,7 +374,8 @@ static int igt_partial_tiling(void *arg) break; } - if (tile.swizzle == I915_BIT_6_SWIZZLE_UNKNOWN || + GEM_BUG_ON(tile.swizzle == I915_BIT_6_SWIZZLE_UNKNOWN); + if (tile.swizzle == I915_BIT_6_SWIZZLE_9_17 || tile.swizzle == I915_BIT_6_SWIZZLE_9_10_17) continue; @@ -440,7 +458,7 @@ static int make_obj_busy(struct drm_i915_gem_object *obj) struct i915_vma *vma; int err; - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) return PTR_ERR(vma); @@ -454,12 +472,14 @@ static int make_obj_busy(struct drm_i915_gem_object *obj) return PTR_ERR(rq); } - i915_vma_move_to_active(vma, rq, 0); + err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); + i915_request_add(rq); - i915_gem_object_set_active_reference(obj); + __i915_gem_object_release_unless_active(obj); i915_vma_unpin(vma); - return 0; + + return err; } static bool assert_mmap_offset(struct drm_i915_private *i915, @@ -479,6 +499,19 @@ static bool assert_mmap_offset(struct drm_i915_private *i915, return err == expected; } +static void disable_retire_worker(struct drm_i915_private *i915) +{ + mutex_lock(&i915->drm.struct_mutex); + if (!i915->gt.active_requests++) { + intel_runtime_pm_get(i915); + i915_gem_unpark(i915); + intel_runtime_pm_put(i915); + } + mutex_unlock(&i915->drm.struct_mutex); + cancel_delayed_work_sync(&i915->gt.retire_work); + cancel_delayed_work_sync(&i915->gt.idle_work); +} + static int igt_mmap_offset_exhaustion(void *arg) { struct drm_i915_private *i915 = arg; @@ -488,6 +521,10 @@ static int igt_mmap_offset_exhaustion(void *arg) u64 hole_start, hole_end; int loop, err; + /* Disable background reaper */ + disable_retire_worker(i915); + GEM_BUG_ON(!i915->gt.awake); + /* Trim the device mmap space to only a page */ memset(&resv, 0, sizeof(resv)); drm_mm_for_each_hole(hole, mm, hole_start, hole_end) { @@ -496,7 +533,7 @@ static int igt_mmap_offset_exhaustion(void *arg) err = drm_mm_reserve_node(mm, &resv); if (err) { pr_err("Failed to trim VMA manager, err=%d\n", err); - return err; + goto out_park; } break; } @@ -538,6 +575,9 @@ static int igt_mmap_offset_exhaustion(void *arg) /* Now fill with busy dead objects that we expect to reap */ for (loop = 0; loop < 3; loop++) { + if (i915_terminally_wedged(&i915->gpu_error)) + break; + obj = i915_gem_object_create_internal(i915, PAGE_SIZE); if (IS_ERR(obj)) { err = PTR_ERR(obj); @@ -554,6 +594,7 @@ static int igt_mmap_offset_exhaustion(void *arg) goto err_obj; } + /* NB we rely on the _active_ reference to access obj now */ GEM_BUG_ON(!i915_gem_object_is_active(obj)); err = i915_gem_object_create_mmap_offset(obj); if (err) { @@ -565,6 +606,13 @@ static int igt_mmap_offset_exhaustion(void *arg) out: drm_mm_remove_node(&resv); +out_park: + mutex_lock(&i915->drm.struct_mutex); + if (--i915->gt.active_requests) + queue_delayed_work(i915->wq, &i915->gt.retire_work, 0); + else + queue_delayed_work(i915->wq, &i915->gt.idle_work, 0); + mutex_unlock(&i915->drm.struct_mutex); return err; err_obj: i915_gem_object_put(obj); @@ -586,7 +634,7 @@ int i915_gem_object_mock_selftests(void) err = i915_subtests(tests, i915); - drm_dev_unref(&i915->drm); + drm_dev_put(&i915->drm); return err; } diff --git a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h index d16d74178e9d..1b70208eeea7 100644 --- a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h @@ -24,3 +24,4 @@ selftest(vma, i915_vma_mock_selftests) selftest(evict, i915_gem_evict_mock_selftests) selftest(gtt, i915_gem_gtt_mock_selftests) selftest(hugepages, i915_gem_huge_page_mock_selftests) +selftest(contexts, i915_gem_context_mock_selftests) diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c index 94bc2e1898a4..c4aac6141e04 100644 --- a/drivers/gpu/drm/i915/selftests/i915_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_request.c @@ -262,7 +262,7 @@ int i915_request_mock_selftests(void) return -ENOMEM; err = i915_subtests(tests, i915); - drm_dev_unref(&i915->drm); + drm_dev_put(&i915->drm); return err; } @@ -286,7 +286,9 @@ static int begin_live_test(struct live_test *t, t->func = func; t->name = name; - err = i915_gem_wait_for_idle(i915, I915_WAIT_LOCKED); + err = i915_gem_wait_for_idle(i915, + I915_WAIT_LOCKED, + MAX_SCHEDULE_TIMEOUT); if (err) { pr_err("%s(%s): failed to idle before, with err=%d!", func, name, err); @@ -342,9 +344,9 @@ static int live_nop_request(void *arg) mutex_lock(&i915->drm.struct_mutex); for_each_engine(engine, i915, id) { - IGT_TIMEOUT(end_time); - struct i915_request *request; + struct i915_request *request = NULL; unsigned long n, prime; + IGT_TIMEOUT(end_time); ktime_t times[2] = {}; err = begin_live_test(&t, i915, __func__, engine->name); @@ -430,7 +432,7 @@ static struct i915_vma *empty_batch(struct drm_i915_private *i915) if (err) goto err; - vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err; @@ -466,7 +468,7 @@ empty_request(struct intel_engine_cs *engine, goto out_request; out_request: - __i915_request_add(request, err == 0); + i915_request_add(request); return err ? ERR_PTR(err) : request; } @@ -555,7 +557,8 @@ out_unlock: static struct i915_vma *recursive_batch(struct drm_i915_private *i915) { struct i915_gem_context *ctx = i915->kernel_context; - struct i915_address_space *vm = ctx->ppgtt ? &ctx->ppgtt->base : &i915->ggtt.base; + struct i915_address_space *vm = + ctx->ppgtt ? &ctx->ppgtt->vm : &i915->ggtt.vm; struct drm_i915_gem_object *obj; const int gen = INTEL_GEN(i915); struct i915_vma *vma; @@ -593,11 +596,8 @@ static struct i915_vma *recursive_batch(struct drm_i915_private *i915) } else if (gen >= 6) { *cmd++ = MI_BATCH_BUFFER_START | 1 << 8; *cmd++ = lower_32_bits(vma->node.start); - } else if (gen >= 4) { - *cmd++ = MI_BATCH_BUFFER_START | MI_BATCH_GTT; - *cmd++ = lower_32_bits(vma->node.start); } else { - *cmd++ = MI_BATCH_BUFFER_START | MI_BATCH_GTT | 1; + *cmd++ = MI_BATCH_BUFFER_START | MI_BATCH_GTT; *cmd++ = lower_32_bits(vma->node.start); } *cmd++ = MI_BATCH_BUFFER_END; /* terminate early in case of error */ @@ -677,7 +677,9 @@ static int live_all_engines(void *arg) i915_gem_object_set_active_reference(batch->obj); } - i915_vma_move_to_active(batch, request[id], 0); + err = i915_vma_move_to_active(batch, request[id], 0); + GEM_BUG_ON(err); + i915_request_get(request[id]); i915_request_add(request[id]); } @@ -787,7 +789,9 @@ static int live_sequential_engines(void *arg) GEM_BUG_ON(err); request[id]->batch = batch; - i915_vma_move_to_active(batch, request[id], 0); + err = i915_vma_move_to_active(batch, request[id], 0); + GEM_BUG_ON(err); + i915_gem_object_set_active_reference(batch->obj); i915_vma_get(batch); @@ -861,5 +865,9 @@ int i915_request_live_selftests(struct drm_i915_private *i915) SUBTEST(live_sequential_engines), SUBTEST(live_empty_request), }; + + if (i915_terminally_wedged(&i915->gpu_error)) + return 0; + return i915_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/selftests/i915_selftest.c b/drivers/gpu/drm/i915/selftests/i915_selftest.c index addc5a599c4a..86c54ea37f48 100644 --- a/drivers/gpu/drm/i915/selftests/i915_selftest.c +++ b/drivers/gpu/drm/i915/selftests/i915_selftest.c @@ -210,6 +210,8 @@ int __i915_subtests(const char *caller, return -EINTR; pr_debug(DRIVER_NAME ": Running %s/%s\n", caller, st->name); + GEM_TRACE("Running %s/%s\n", caller, st->name); + err = st->func(data); if (err && err != -EINTR) { pr_err(DRIVER_NAME "/%s: %s failed with error %d\n", diff --git a/drivers/gpu/drm/i915/selftests/i915_vma.c b/drivers/gpu/drm/i915/selftests/i915_vma.c index e90f97236e50..ffa74290e054 100644 --- a/drivers/gpu/drm/i915/selftests/i915_vma.c +++ b/drivers/gpu/drm/i915/selftests/i915_vma.c @@ -35,7 +35,7 @@ static bool assert_vma(struct i915_vma *vma, { bool ok = true; - if (vma->vm != &ctx->ppgtt->base) { + if (vma->vm != &ctx->ppgtt->vm) { pr_err("VMA created with wrong VM\n"); ok = false; } @@ -110,8 +110,7 @@ static int create_vmas(struct drm_i915_private *i915, list_for_each_entry(obj, objects, st_link) { for (pinned = 0; pinned <= 1; pinned++) { list_for_each_entry(ctx, contexts, link) { - struct i915_address_space *vm = - &ctx->ppgtt->base; + struct i915_address_space *vm = &ctx->ppgtt->vm; struct i915_vma *vma; int err; @@ -259,12 +258,12 @@ static int igt_vma_pin1(void *arg) VALID(0, PIN_GLOBAL | PIN_OFFSET_BIAS | 8192), VALID(0, PIN_GLOBAL | PIN_OFFSET_BIAS | (i915->ggtt.mappable_end - 4096)), VALID(0, PIN_GLOBAL | PIN_MAPPABLE | PIN_OFFSET_BIAS | (i915->ggtt.mappable_end - 4096)), - VALID(0, PIN_GLOBAL | PIN_OFFSET_BIAS | (i915->ggtt.base.total - 4096)), + VALID(0, PIN_GLOBAL | PIN_OFFSET_BIAS | (i915->ggtt.vm.total - 4096)), VALID(0, PIN_GLOBAL | PIN_MAPPABLE | PIN_OFFSET_FIXED | (i915->ggtt.mappable_end - 4096)), INVALID(0, PIN_GLOBAL | PIN_MAPPABLE | PIN_OFFSET_FIXED | i915->ggtt.mappable_end), - VALID(0, PIN_GLOBAL | PIN_OFFSET_FIXED | (i915->ggtt.base.total - 4096)), - INVALID(0, PIN_GLOBAL | PIN_OFFSET_FIXED | i915->ggtt.base.total), + VALID(0, PIN_GLOBAL | PIN_OFFSET_FIXED | (i915->ggtt.vm.total - 4096)), + INVALID(0, PIN_GLOBAL | PIN_OFFSET_FIXED | i915->ggtt.vm.total), INVALID(0, PIN_GLOBAL | PIN_OFFSET_FIXED | round_down(U64_MAX, PAGE_SIZE)), VALID(4096, PIN_GLOBAL), @@ -272,12 +271,12 @@ static int igt_vma_pin1(void *arg) VALID(i915->ggtt.mappable_end - 4096, PIN_GLOBAL | PIN_MAPPABLE), VALID(i915->ggtt.mappable_end, PIN_GLOBAL | PIN_MAPPABLE), NOSPACE(i915->ggtt.mappable_end + 4096, PIN_GLOBAL | PIN_MAPPABLE), - VALID(i915->ggtt.base.total - 4096, PIN_GLOBAL), - VALID(i915->ggtt.base.total, PIN_GLOBAL), - NOSPACE(i915->ggtt.base.total + 4096, PIN_GLOBAL), + VALID(i915->ggtt.vm.total - 4096, PIN_GLOBAL), + VALID(i915->ggtt.vm.total, PIN_GLOBAL), + NOSPACE(i915->ggtt.vm.total + 4096, PIN_GLOBAL), NOSPACE(round_down(U64_MAX, PAGE_SIZE), PIN_GLOBAL), INVALID(8192, PIN_GLOBAL | PIN_MAPPABLE | PIN_OFFSET_FIXED | (i915->ggtt.mappable_end - 4096)), - INVALID(8192, PIN_GLOBAL | PIN_OFFSET_FIXED | (i915->ggtt.base.total - 4096)), + INVALID(8192, PIN_GLOBAL | PIN_OFFSET_FIXED | (i915->ggtt.vm.total - 4096)), INVALID(8192, PIN_GLOBAL | PIN_OFFSET_FIXED | (round_down(U64_MAX, PAGE_SIZE) - 4096)), VALID(8192, PIN_GLOBAL | PIN_OFFSET_BIAS | (i915->ggtt.mappable_end - 4096)), @@ -289,9 +288,9 @@ static int igt_vma_pin1(void *arg) * variable start, end and size. */ NOSPACE(0, PIN_GLOBAL | PIN_MAPPABLE | PIN_OFFSET_BIAS | i915->ggtt.mappable_end), - NOSPACE(0, PIN_GLOBAL | PIN_OFFSET_BIAS | i915->ggtt.base.total), + NOSPACE(0, PIN_GLOBAL | PIN_OFFSET_BIAS | i915->ggtt.vm.total), NOSPACE(8192, PIN_GLOBAL | PIN_MAPPABLE | PIN_OFFSET_BIAS | (i915->ggtt.mappable_end - 4096)), - NOSPACE(8192, PIN_GLOBAL | PIN_OFFSET_BIAS | (i915->ggtt.base.total - 4096)), + NOSPACE(8192, PIN_GLOBAL | PIN_OFFSET_BIAS | (i915->ggtt.vm.total - 4096)), #endif { }, #undef NOSPACE @@ -307,13 +306,13 @@ static int igt_vma_pin1(void *arg) * focusing on error handling of boundary conditions. */ - GEM_BUG_ON(!drm_mm_clean(&i915->ggtt.base.mm)); + GEM_BUG_ON(!drm_mm_clean(&i915->ggtt.vm.mm)); obj = i915_gem_object_create_internal(i915, PAGE_SIZE); if (IS_ERR(obj)) return PTR_ERR(obj); - vma = checked_vma_instance(obj, &i915->ggtt.base, NULL); + vma = checked_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) goto out; @@ -405,7 +404,7 @@ static unsigned int rotated_size(const struct intel_rotation_plane_info *a, static int igt_vma_rotate(void *arg) { struct drm_i915_private *i915 = arg; - struct i915_address_space *vm = &i915->ggtt.base; + struct i915_address_space *vm = &i915->ggtt.vm; struct drm_i915_gem_object *obj; const struct intel_rotation_plane_info planes[] = { { .width = 1, .height = 1, .stride = 1 }, @@ -604,7 +603,7 @@ static bool assert_pin(struct i915_vma *vma, static int igt_vma_partial(void *arg) { struct drm_i915_private *i915 = arg; - struct i915_address_space *vm = &i915->ggtt.base; + struct i915_address_space *vm = &i915->ggtt.vm; const unsigned int npages = 1021; /* prime! */ struct drm_i915_gem_object *obj; const struct phase { @@ -734,7 +733,7 @@ int i915_vma_mock_selftests(void) err = i915_subtests(tests, i915); mutex_unlock(&i915->drm.struct_mutex); - drm_dev_unref(&i915->drm); + drm_dev_put(&i915->drm); return err; } diff --git a/drivers/gpu/drm/i915/selftests/igt_flush_test.c b/drivers/gpu/drm/i915/selftests/igt_flush_test.c index 0d06f559243f..af66e3d4e23a 100644 --- a/drivers/gpu/drm/i915/selftests/igt_flush_test.c +++ b/drivers/gpu/drm/i915/selftests/igt_flush_test.c @@ -9,52 +9,8 @@ #include "../i915_selftest.h" #include "igt_flush_test.h" -struct wedge_me { - struct delayed_work work; - struct drm_i915_private *i915; - const void *symbol; -}; - -static void wedge_me(struct work_struct *work) -{ - struct wedge_me *w = container_of(work, typeof(*w), work.work); - - pr_err("%pS timed out, cancelling all further testing.\n", w->symbol); - - GEM_TRACE("%pS timed out.\n", w->symbol); - GEM_TRACE_DUMP(); - - i915_gem_set_wedged(w->i915); -} - -static void __init_wedge(struct wedge_me *w, - struct drm_i915_private *i915, - long timeout, - const void *symbol) -{ - w->i915 = i915; - w->symbol = symbol; - - INIT_DELAYED_WORK_ONSTACK(&w->work, wedge_me); - schedule_delayed_work(&w->work, timeout); -} - -static void __fini_wedge(struct wedge_me *w) -{ - cancel_delayed_work_sync(&w->work); - destroy_delayed_work_on_stack(&w->work); - w->i915 = NULL; -} - -#define wedge_on_timeout(W, DEV, TIMEOUT) \ - for (__init_wedge((W), (DEV), (TIMEOUT), __builtin_return_address(0)); \ - (W)->i915; \ - __fini_wedge((W))) - int igt_flush_test(struct drm_i915_private *i915, unsigned int flags) { - struct wedge_me w; - cond_resched(); if (flags & I915_WAIT_LOCKED && @@ -63,8 +19,15 @@ int igt_flush_test(struct drm_i915_private *i915, unsigned int flags) i915_gem_set_wedged(i915); } - wedge_on_timeout(&w, i915, HZ) - i915_gem_wait_for_idle(i915, flags); + if (i915_gem_wait_for_idle(i915, flags, HZ / 5) == -ETIME) { + pr_err("%pS timed out, cancelling all further testing.\n", + __builtin_return_address(0)); + + GEM_TRACE("%pS timed out.\n", __builtin_return_address(0)); + GEM_TRACE_DUMP(); + + i915_gem_set_wedged(i915); + } return i915_terminally_wedged(&i915->gpu_error) ? -EIO : 0; } diff --git a/drivers/gpu/drm/i915/selftests/igt_wedge_me.h b/drivers/gpu/drm/i915/selftests/igt_wedge_me.h new file mode 100644 index 000000000000..08e5ff11bbd9 --- /dev/null +++ b/drivers/gpu/drm/i915/selftests/igt_wedge_me.h @@ -0,0 +1,58 @@ +/* + * SPDX-License-Identifier: MIT + * + * Copyright © 2018 Intel Corporation + */ + +#ifndef IGT_WEDGE_ME_H +#define IGT_WEDGE_ME_H + +#include <linux/workqueue.h> + +#include "../i915_gem.h" + +struct drm_i915_private; + +struct igt_wedge_me { + struct delayed_work work; + struct drm_i915_private *i915; + const char *name; +}; + +static void __igt_wedge_me(struct work_struct *work) +{ + struct igt_wedge_me *w = container_of(work, typeof(*w), work.work); + + pr_err("%s timed out, cancelling test.\n", w->name); + + GEM_TRACE("%s timed out.\n", w->name); + GEM_TRACE_DUMP(); + + i915_gem_set_wedged(w->i915); +} + +static void __igt_init_wedge(struct igt_wedge_me *w, + struct drm_i915_private *i915, + long timeout, + const char *name) +{ + w->i915 = i915; + w->name = name; + + INIT_DELAYED_WORK_ONSTACK(&w->work, __igt_wedge_me); + schedule_delayed_work(&w->work, timeout); +} + +static void __igt_fini_wedge(struct igt_wedge_me *w) +{ + cancel_delayed_work_sync(&w->work); + destroy_delayed_work_on_stack(&w->work); + w->i915 = NULL; +} + +#define igt_wedge_on_timeout(W, DEV, TIMEOUT) \ + for (__igt_init_wedge((W), (DEV), (TIMEOUT), __func__); \ + (W)->i915; \ + __igt_fini_wedge((W))) + +#endif /* IGT_WEDGE_ME_H */ diff --git a/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c b/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c index d6926e7820e5..f03b407fdbe2 100644 --- a/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c @@ -464,7 +464,7 @@ int intel_breadcrumbs_mock_selftests(void) return -ENOMEM; err = i915_subtests(tests, i915->engine[RCS]); - drm_dev_unref(&i915->drm); + drm_dev_put(&i915->drm); return err; } diff --git a/drivers/gpu/drm/i915/selftests/intel_guc.c b/drivers/gpu/drm/i915/selftests/intel_guc.c index fb74e2cf8a0a..407c98fb9170 100644 --- a/drivers/gpu/drm/i915/selftests/intel_guc.c +++ b/drivers/gpu/drm/i915/selftests/intel_guc.c @@ -196,19 +196,23 @@ static int igt_guc_clients(void *args) } unreserve_doorbell(guc->execbuf_client); - err = guc_clients_doorbell_init(guc); + + __create_doorbell(guc->execbuf_client); + err = __guc_allocate_doorbell(guc, guc->execbuf_client->stage_id); if (err != -EIO) { pr_err("unexpected (err = %d)", err); - goto out; + goto out_db; } if (!available_dbs(guc, guc->execbuf_client->priority)) { pr_err("doorbell not available when it should\n"); err = -EIO; - goto out; + goto out_db; } +out_db: /* clean after test */ + __destroy_doorbell(guc->execbuf_client); err = reserve_doorbell(guc->execbuf_client); if (err) { pr_err("failed to reserve back the doorbell back\n"); diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c index 438e0b045a2c..65d66cdedd26 100644 --- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c +++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c @@ -27,6 +27,7 @@ #include "../i915_selftest.h" #include "i915_random.h" #include "igt_flush_test.h" +#include "igt_wedge_me.h" #include "mock_context.h" #include "mock_drm.h" @@ -105,7 +106,10 @@ static int emit_recurse_batch(struct hang *h, struct i915_request *rq) { struct drm_i915_private *i915 = h->i915; - struct i915_address_space *vm = rq->ctx->ppgtt ? &rq->ctx->ppgtt->base : &i915->ggtt.base; + struct i915_address_space *vm = + rq->gem_context->ppgtt ? + &rq->gem_context->ppgtt->vm : + &i915->ggtt.vm; struct i915_vma *hws, *vma; unsigned int flags; u32 *batch; @@ -127,13 +131,19 @@ static int emit_recurse_batch(struct hang *h, if (err) goto unpin_vma; - i915_vma_move_to_active(vma, rq, 0); + err = i915_vma_move_to_active(vma, rq, 0); + if (err) + goto unpin_hws; + if (!i915_gem_object_has_active_reference(vma->obj)) { i915_gem_object_get(vma->obj); i915_gem_object_set_active_reference(vma->obj); } - i915_vma_move_to_active(hws, rq, 0); + err = i915_vma_move_to_active(hws, rq, 0); + if (err) + goto unpin_hws; + if (!i915_gem_object_has_active_reference(hws->obj)) { i915_gem_object_get(hws->obj); i915_gem_object_set_active_reference(hws->obj); @@ -168,7 +178,7 @@ static int emit_recurse_batch(struct hang *h, *batch++ = MI_BATCH_BUFFER_START | 1 << 8; *batch++ = lower_32_bits(vma->node.start); } else if (INTEL_GEN(i915) >= 4) { - *batch++ = MI_STORE_DWORD_IMM_GEN4 | 1 << 22; + *batch++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT; *batch++ = 0; *batch++ = lower_32_bits(hws_address(hws, rq)); *batch++ = rq->fence.seqno; @@ -181,7 +191,7 @@ static int emit_recurse_batch(struct hang *h, *batch++ = MI_BATCH_BUFFER_START | 2 << 6; *batch++ = lower_32_bits(vma->node.start); } else { - *batch++ = MI_STORE_DWORD_IMM; + *batch++ = MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL; *batch++ = lower_32_bits(hws_address(hws, rq)); *batch++ = rq->fence.seqno; *batch++ = MI_ARB_CHECK; @@ -190,7 +200,7 @@ static int emit_recurse_batch(struct hang *h, batch += 1024 / sizeof(*batch); *batch++ = MI_ARB_CHECK; - *batch++ = MI_BATCH_BUFFER_START | 2 << 6 | 1; + *batch++ = MI_BATCH_BUFFER_START | 2 << 6; *batch++ = lower_32_bits(vma->node.start); } *batch++ = MI_BATCH_BUFFER_END; /* not reached */ @@ -202,6 +212,7 @@ static int emit_recurse_batch(struct hang *h, err = rq->engine->emit_bb_start(rq, vma->node.start, PAGE_SIZE, flags); +unpin_hws: i915_vma_unpin(hws); unpin_vma: i915_vma_unpin(vma); @@ -242,7 +253,7 @@ hang_create_request(struct hang *h, struct intel_engine_cs *engine) err = emit_recurse_batch(h, rq); if (err) { - __i915_request_add(rq, false); + i915_request_add(rq); return ERR_PTR(err); } @@ -315,7 +326,7 @@ static int igt_hang_sanitycheck(void *arg) *h.batch = MI_BATCH_BUFFER_END; i915_gem_chipset_flush(i915); - __i915_request_add(rq, true); + i915_request_add(rq); timeout = i915_request_wait(rq, I915_WAIT_LOCKED, @@ -461,7 +472,7 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active) } i915_request_get(rq); - __i915_request_add(rq, true); + i915_request_add(rq); mutex_unlock(&i915->drm.struct_mutex); if (!wait_until_running(&h, rq)) { @@ -560,6 +571,30 @@ struct active_engine { #define TEST_SELF BIT(2) #define TEST_PRIORITY BIT(3) +static int active_request_put(struct i915_request *rq) +{ + int err = 0; + + if (!rq) + return 0; + + if (i915_request_wait(rq, 0, 5 * HZ) < 0) { + GEM_TRACE("%s timed out waiting for completion of fence %llx:%d, seqno %d.\n", + rq->engine->name, + rq->fence.context, + rq->fence.seqno, + i915_request_global_seqno(rq)); + GEM_TRACE_DUMP(); + + i915_gem_set_wedged(rq->i915); + err = -EIO; + } + + i915_request_put(rq); + + return err; +} + static int active_engine(void *data) { I915_RND_STATE(prng); @@ -608,24 +643,20 @@ static int active_engine(void *data) i915_request_add(new); mutex_unlock(&engine->i915->drm.struct_mutex); - if (old) { - if (i915_request_wait(old, 0, HZ) < 0) { - GEM_TRACE("%s timed out.\n", engine->name); - GEM_TRACE_DUMP(); - - i915_gem_set_wedged(engine->i915); - i915_request_put(old); - err = -EIO; - break; - } - i915_request_put(old); - } + err = active_request_put(old); + if (err) + break; cond_resched(); } - for (count = 0; count < ARRAY_SIZE(rq); count++) - i915_request_put(rq[count]); + for (count = 0; count < ARRAY_SIZE(rq); count++) { + int err__ = active_request_put(rq[count]); + + /* Keep the first error */ + if (!err) + err = err__; + } err_file: mock_file_free(engine->i915, file); @@ -719,7 +750,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915, } i915_request_get(rq); - __i915_request_add(rq, true); + i915_request_add(rq); mutex_unlock(&i915->drm.struct_mutex); if (!wait_until_running(&h, rq)) { @@ -891,7 +922,7 @@ static u32 fake_hangcheck(struct i915_request *rq, u32 mask) return reset_count; } -static int igt_wait_reset(void *arg) +static int igt_reset_wait(void *arg) { struct drm_i915_private *i915 = arg; struct i915_request *rq; @@ -919,7 +950,7 @@ static int igt_wait_reset(void *arg) } i915_request_get(rq); - __i915_request_add(rq, true); + i915_request_add(rq); if (!wait_until_running(&h, rq)) { struct drm_printer p = drm_info_printer(i915->drm.dev); @@ -965,6 +996,170 @@ unlock: return err; } +struct evict_vma { + struct completion completion; + struct i915_vma *vma; +}; + +static int evict_vma(void *data) +{ + struct evict_vma *arg = data; + struct i915_address_space *vm = arg->vma->vm; + struct drm_i915_private *i915 = vm->i915; + struct drm_mm_node evict = arg->vma->node; + int err; + + complete(&arg->completion); + + mutex_lock(&i915->drm.struct_mutex); + err = i915_gem_evict_for_node(vm, &evict, 0); + mutex_unlock(&i915->drm.struct_mutex); + + return err; +} + +static int __igt_reset_evict_vma(struct drm_i915_private *i915, + struct i915_address_space *vm) +{ + struct drm_i915_gem_object *obj; + struct task_struct *tsk = NULL; + struct i915_request *rq; + struct evict_vma arg; + struct hang h; + int err; + + if (!intel_engine_can_store_dword(i915->engine[RCS])) + return 0; + + /* Check that we can recover an unbind stuck on a hanging request */ + + global_reset_lock(i915); + + mutex_lock(&i915->drm.struct_mutex); + err = hang_init(&h, i915); + if (err) + goto unlock; + + obj = i915_gem_object_create_internal(i915, PAGE_SIZE); + if (IS_ERR(obj)) { + err = PTR_ERR(obj); + goto fini; + } + + arg.vma = i915_vma_instance(obj, vm, NULL); + if (IS_ERR(arg.vma)) { + err = PTR_ERR(arg.vma); + goto out_obj; + } + + rq = hang_create_request(&h, i915->engine[RCS]); + if (IS_ERR(rq)) { + err = PTR_ERR(rq); + goto out_obj; + } + + err = i915_vma_pin(arg.vma, 0, 0, + i915_vma_is_ggtt(arg.vma) ? PIN_GLOBAL : PIN_USER); + if (err) + goto out_obj; + + err = i915_vma_move_to_active(arg.vma, rq, EXEC_OBJECT_WRITE); + i915_vma_unpin(arg.vma); + + i915_request_get(rq); + i915_request_add(rq); + if (err) + goto out_rq; + + mutex_unlock(&i915->drm.struct_mutex); + + if (!wait_until_running(&h, rq)) { + struct drm_printer p = drm_info_printer(i915->drm.dev); + + pr_err("%s: Failed to start request %x, at %x\n", + __func__, rq->fence.seqno, hws_seqno(&h, rq)); + intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name); + + i915_gem_set_wedged(i915); + goto out_reset; + } + + init_completion(&arg.completion); + + tsk = kthread_run(evict_vma, &arg, "igt/evict_vma"); + if (IS_ERR(tsk)) { + err = PTR_ERR(tsk); + tsk = NULL; + goto out_reset; + } + + wait_for_completion(&arg.completion); + + if (wait_for(waitqueue_active(&rq->execute), 10)) { + struct drm_printer p = drm_info_printer(i915->drm.dev); + + pr_err("igt/evict_vma kthread did not wait\n"); + intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name); + + i915_gem_set_wedged(i915); + goto out_reset; + } + +out_reset: + fake_hangcheck(rq, intel_engine_flag(rq->engine)); + + if (tsk) { + struct igt_wedge_me w; + + /* The reset, even indirectly, should take less than 10ms. */ + igt_wedge_on_timeout(&w, i915, HZ / 10 /* 100ms timeout*/) + err = kthread_stop(tsk); + } + + mutex_lock(&i915->drm.struct_mutex); +out_rq: + i915_request_put(rq); +out_obj: + i915_gem_object_put(obj); +fini: + hang_fini(&h); +unlock: + mutex_unlock(&i915->drm.struct_mutex); + global_reset_unlock(i915); + + if (i915_terminally_wedged(&i915->gpu_error)) + return -EIO; + + return err; +} + +static int igt_reset_evict_ggtt(void *arg) +{ + struct drm_i915_private *i915 = arg; + + return __igt_reset_evict_vma(i915, &i915->ggtt.vm); +} + +static int igt_reset_evict_ppgtt(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct i915_gem_context *ctx; + int err; + + mutex_lock(&i915->drm.struct_mutex); + ctx = kernel_context(i915); + mutex_unlock(&i915->drm.struct_mutex); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); + + err = 0; + if (ctx->ppgtt) /* aliasing == global gtt locking, covered above */ + err = __igt_reset_evict_vma(i915, &ctx->ppgtt->vm); + + kernel_context_close(ctx); + return err; +} + static int wait_for_others(struct drm_i915_private *i915, struct intel_engine_cs *exclude) { @@ -1014,7 +1209,7 @@ static int igt_reset_queue(void *arg) } i915_request_get(prev); - __i915_request_add(prev, true); + i915_request_add(prev); count = 0; do { @@ -1028,7 +1223,7 @@ static int igt_reset_queue(void *arg) } i915_request_get(rq); - __i915_request_add(rq, true); + i915_request_add(rq); /* * XXX We don't handle resetting the kernel context @@ -1161,7 +1356,7 @@ static int igt_handle_error(void *arg) } i915_request_get(rq); - __i915_request_add(rq, true); + i915_request_add(rq); if (!wait_until_running(&h, rq)) { struct drm_printer p = drm_info_printer(i915->drm.dev); @@ -1210,8 +1405,10 @@ int intel_hangcheck_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_reset_idle_engine), SUBTEST(igt_reset_active_engine), SUBTEST(igt_reset_engines), - SUBTEST(igt_wait_reset), SUBTEST(igt_reset_queue), + SUBTEST(igt_reset_wait), + SUBTEST(igt_reset_evict_ggtt), + SUBTEST(igt_reset_evict_ppgtt), SUBTEST(igt_handle_error), }; bool saved_hangcheck; @@ -1220,6 +1417,9 @@ int intel_hangcheck_live_selftests(struct drm_i915_private *i915) if (!intel_has_gpu_reset(i915)) return 0; + if (i915_terminally_wedged(&i915->gpu_error)) + return -EIO; /* we're long past hope of a successful reset */ + intel_runtime_pm_get(i915); saved_hangcheck = fetch_and_zero(&i915_modparams.enable_hangcheck); diff --git a/drivers/gpu/drm/i915/selftests/intel_lrc.c b/drivers/gpu/drm/i915/selftests/intel_lrc.c index 1b8a07125150..582566faef09 100644 --- a/drivers/gpu/drm/i915/selftests/intel_lrc.c +++ b/drivers/gpu/drm/i915/selftests/intel_lrc.c @@ -83,7 +83,7 @@ static int emit_recurse_batch(struct spinner *spin, struct i915_request *rq, u32 arbitration_command) { - struct i915_address_space *vm = &rq->ctx->ppgtt->base; + struct i915_address_space *vm = &rq->gem_context->ppgtt->vm; struct i915_vma *hws, *vma; u32 *batch; int err; @@ -104,13 +104,19 @@ static int emit_recurse_batch(struct spinner *spin, if (err) goto unpin_vma; - i915_vma_move_to_active(vma, rq, 0); + err = i915_vma_move_to_active(vma, rq, 0); + if (err) + goto unpin_hws; + if (!i915_gem_object_has_active_reference(vma->obj)) { i915_gem_object_get(vma->obj); i915_gem_object_set_active_reference(vma->obj); } - i915_vma_move_to_active(hws, rq, 0); + err = i915_vma_move_to_active(hws, rq, 0); + if (err) + goto unpin_hws; + if (!i915_gem_object_has_active_reference(hws->obj)) { i915_gem_object_get(hws->obj); i915_gem_object_set_active_reference(hws->obj); @@ -134,6 +140,7 @@ static int emit_recurse_batch(struct spinner *spin, err = rq->engine->emit_bb_start(rq, vma->node.start, PAGE_SIZE, 0); +unpin_hws: i915_vma_unpin(hws); unpin_vma: i915_vma_unpin(vma); @@ -155,7 +162,7 @@ spinner_create_request(struct spinner *spin, err = emit_recurse_batch(spin, rq, arbitration_command); if (err) { - __i915_request_add(rq, false); + i915_request_add(rq); return ERR_PTR(err); } @@ -444,16 +451,134 @@ err_wedged: goto err_ctx_lo; } +static int live_preempt_hang(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct i915_gem_context *ctx_hi, *ctx_lo; + struct spinner spin_hi, spin_lo; + struct intel_engine_cs *engine; + enum intel_engine_id id; + int err = -ENOMEM; + + if (!HAS_LOGICAL_RING_PREEMPTION(i915)) + return 0; + + if (!intel_has_reset_engine(i915)) + return 0; + + mutex_lock(&i915->drm.struct_mutex); + + if (spinner_init(&spin_hi, i915)) + goto err_unlock; + + if (spinner_init(&spin_lo, i915)) + goto err_spin_hi; + + ctx_hi = kernel_context(i915); + if (!ctx_hi) + goto err_spin_lo; + ctx_hi->sched.priority = I915_CONTEXT_MAX_USER_PRIORITY; + + ctx_lo = kernel_context(i915); + if (!ctx_lo) + goto err_ctx_hi; + ctx_lo->sched.priority = I915_CONTEXT_MIN_USER_PRIORITY; + + for_each_engine(engine, i915, id) { + struct i915_request *rq; + + if (!intel_engine_has_preemption(engine)) + continue; + + rq = spinner_create_request(&spin_lo, ctx_lo, engine, + MI_ARB_CHECK); + if (IS_ERR(rq)) { + err = PTR_ERR(rq); + goto err_ctx_lo; + } + + i915_request_add(rq); + if (!wait_for_spinner(&spin_lo, rq)) { + GEM_TRACE("lo spinner failed to start\n"); + GEM_TRACE_DUMP(); + i915_gem_set_wedged(i915); + err = -EIO; + goto err_ctx_lo; + } + + rq = spinner_create_request(&spin_hi, ctx_hi, engine, + MI_ARB_CHECK); + if (IS_ERR(rq)) { + spinner_end(&spin_lo); + err = PTR_ERR(rq); + goto err_ctx_lo; + } + + init_completion(&engine->execlists.preempt_hang.completion); + engine->execlists.preempt_hang.inject_hang = true; + + i915_request_add(rq); + + if (!wait_for_completion_timeout(&engine->execlists.preempt_hang.completion, + HZ / 10)) { + pr_err("Preemption did not occur within timeout!"); + GEM_TRACE_DUMP(); + i915_gem_set_wedged(i915); + err = -EIO; + goto err_ctx_lo; + } + + set_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + i915_reset_engine(engine, NULL); + clear_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + + engine->execlists.preempt_hang.inject_hang = false; + + if (!wait_for_spinner(&spin_hi, rq)) { + GEM_TRACE("hi spinner failed to start\n"); + GEM_TRACE_DUMP(); + i915_gem_set_wedged(i915); + err = -EIO; + goto err_ctx_lo; + } + + spinner_end(&spin_hi); + spinner_end(&spin_lo); + if (igt_flush_test(i915, I915_WAIT_LOCKED)) { + err = -EIO; + goto err_ctx_lo; + } + } + + err = 0; +err_ctx_lo: + kernel_context_close(ctx_lo); +err_ctx_hi: + kernel_context_close(ctx_hi); +err_spin_lo: + spinner_fini(&spin_lo); +err_spin_hi: + spinner_fini(&spin_hi); +err_unlock: + igt_flush_test(i915, I915_WAIT_LOCKED); + mutex_unlock(&i915->drm.struct_mutex); + return err; +} + int intel_execlists_live_selftests(struct drm_i915_private *i915) { static const struct i915_subtest tests[] = { SUBTEST(live_sanitycheck), SUBTEST(live_preempt), SUBTEST(live_late_preempt), + SUBTEST(live_preempt_hang), }; if (!HAS_EXECLISTS(i915)) return 0; + if (i915_terminally_wedged(&i915->gpu_error)) + return 0; + return i915_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/selftests/intel_uncore.c b/drivers/gpu/drm/i915/selftests/intel_uncore.c index 47bc5b2ddb56..81d9d31042a9 100644 --- a/drivers/gpu/drm/i915/selftests/intel_uncore.c +++ b/drivers/gpu/drm/i915/selftests/intel_uncore.c @@ -160,7 +160,7 @@ static int intel_uncore_check_forcewake_domains(struct drm_i915_private *dev_pri i915_reg_t reg = { offset }; iosf_mbi_punit_acquire(); - intel_uncore_forcewake_reset(dev_priv, false); + intel_uncore_forcewake_reset(dev_priv); iosf_mbi_punit_release(); check_for_unclaimed_mmio(dev_priv); diff --git a/drivers/gpu/drm/i915/selftests/intel_workarounds.c b/drivers/gpu/drm/i915/selftests/intel_workarounds.c index 17444a3abbb9..0d39b3bf0c0d 100644 --- a/drivers/gpu/drm/i915/selftests/intel_workarounds.c +++ b/drivers/gpu/drm/i915/selftests/intel_workarounds.c @@ -6,6 +6,7 @@ #include "../i915_selftest.h" +#include "igt_wedge_me.h" #include "mock_context.h" static struct drm_i915_gem_object * @@ -33,7 +34,7 @@ read_nonprivs(struct i915_gem_context *ctx, struct intel_engine_cs *engine) memset(cs, 0xc5, PAGE_SIZE); i915_gem_object_unpin_map(result); - vma = i915_vma_instance(result, &engine->i915->ggtt.base, NULL); + vma = i915_vma_instance(result, &engine->i915->ggtt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err_obj; @@ -49,6 +50,10 @@ read_nonprivs(struct i915_gem_context *ctx, struct intel_engine_cs *engine) goto err_pin; } + err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); + if (err) + goto err_req; + srm = MI_STORE_REGISTER_MEM | MI_SRM_LRM_GLOBAL_GTT; if (INTEL_GEN(ctx->i915) >= 8) srm++; @@ -67,15 +72,10 @@ read_nonprivs(struct i915_gem_context *ctx, struct intel_engine_cs *engine) } intel_ring_advance(rq, cs); - i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); - reservation_object_lock(vma->resv, NULL); - reservation_object_add_excl_fence(vma->resv, &rq->fence); - reservation_object_unlock(vma->resv); - i915_gem_object_get(result); i915_gem_object_set_active_reference(result); - __i915_request_add(rq, true); + i915_request_add(rq); i915_vma_unpin(vma); return result; @@ -112,6 +112,7 @@ static int check_whitelist(const struct whitelist *w, struct intel_engine_cs *engine) { struct drm_i915_gem_object *results; + struct igt_wedge_me wedge; u32 *vaddr; int err; int i; @@ -120,7 +121,11 @@ static int check_whitelist(const struct whitelist *w, if (IS_ERR(results)) return PTR_ERR(results); - err = i915_gem_object_set_to_cpu_domain(results, false); + err = 0; + igt_wedge_on_timeout(&wedge, ctx->i915, HZ / 5) /* a safety net! */ + err = i915_gem_object_set_to_cpu_domain(results, false); + if (i915_terminally_wedged(&ctx->i915->gpu_error)) + err = -EIO; if (err) goto out_put; @@ -283,6 +288,9 @@ int intel_workarounds_live_selftests(struct drm_i915_private *i915) }; int err; + if (i915_terminally_wedged(&i915->gpu_error)) + return 0; + mutex_lock(&i915->drm.struct_mutex); err = i915_subtests(tests, i915); mutex_unlock(&i915->drm.struct_mutex); diff --git a/drivers/gpu/drm/i915/selftests/mock_context.c b/drivers/gpu/drm/i915/selftests/mock_context.c index 501becc47c0c..8904f1ce64e3 100644 --- a/drivers/gpu/drm/i915/selftests/mock_context.c +++ b/drivers/gpu/drm/i915/selftests/mock_context.c @@ -30,6 +30,7 @@ mock_context(struct drm_i915_private *i915, const char *name) { struct i915_gem_context *ctx; + unsigned int n; int ret; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); @@ -43,6 +44,12 @@ mock_context(struct drm_i915_private *i915, INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL); INIT_LIST_HEAD(&ctx->handles_list); + for (n = 0; n < ARRAY_SIZE(ctx->__engine); n++) { + struct intel_context *ce = &ctx->__engine[n]; + + ce->gem_context = ctx; + } + ret = ida_simple_get(&i915->contexts.hw_ida, 0, MAX_CONTEXT_HW_ID, GFP_KERNEL); if (ret < 0) diff --git a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c index 302f7d103635..ca682caf1062 100644 --- a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c +++ b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c @@ -94,18 +94,6 @@ static void mock_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr) vm_unmap_ram(vaddr, mock->npages); } -static void *mock_dmabuf_kmap_atomic(struct dma_buf *dma_buf, unsigned long page_num) -{ - struct mock_dmabuf *mock = to_mock(dma_buf); - - return kmap_atomic(mock->pages[page_num]); -} - -static void mock_dmabuf_kunmap_atomic(struct dma_buf *dma_buf, unsigned long page_num, void *addr) -{ - kunmap_atomic(addr); -} - static void *mock_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num) { struct mock_dmabuf *mock = to_mock(dma_buf); @@ -130,9 +118,7 @@ static const struct dma_buf_ops mock_dmabuf_ops = { .unmap_dma_buf = mock_unmap_dma_buf, .release = mock_dmabuf_release, .map = mock_dmabuf_kmap, - .map_atomic = mock_dmabuf_kmap_atomic, .unmap = mock_dmabuf_kunmap, - .unmap_atomic = mock_dmabuf_kunmap_atomic, .mmap = mock_dmabuf_mmap, .vmap = mock_dmabuf_vmap, .vunmap = mock_dmabuf_vunmap, diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c index 26bf29d97007..22a73da45ad5 100644 --- a/drivers/gpu/drm/i915/selftests/mock_engine.c +++ b/drivers/gpu/drm/i915/selftests/mock_engine.c @@ -72,25 +72,34 @@ static void hw_delay_complete(struct timer_list *t) spin_unlock(&engine->hw_lock); } -static struct intel_ring * -mock_context_pin(struct intel_engine_cs *engine, - struct i915_gem_context *ctx) +static void mock_context_unpin(struct intel_context *ce) { - struct intel_context *ce = to_intel_context(ctx, engine); - - if (!ce->pin_count++) - i915_gem_context_get(ctx); + i915_gem_context_put(ce->gem_context); +} - return engine->buffer; +static void mock_context_destroy(struct intel_context *ce) +{ + GEM_BUG_ON(ce->pin_count); } -static void mock_context_unpin(struct intel_engine_cs *engine, - struct i915_gem_context *ctx) +static const struct intel_context_ops mock_context_ops = { + .unpin = mock_context_unpin, + .destroy = mock_context_destroy, +}; + +static struct intel_context * +mock_context_pin(struct intel_engine_cs *engine, + struct i915_gem_context *ctx) { struct intel_context *ce = to_intel_context(ctx, engine); - if (!--ce->pin_count) - i915_gem_context_put(ctx); + if (!ce->pin_count++) { + i915_gem_context_get(ctx); + ce->ring = engine->buffer; + ce->ops = &mock_context_ops; + } + + return ce; } static int mock_request_alloc(struct i915_request *request) @@ -185,13 +194,14 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, engine->base.status_page.page_addr = (void *)(engine + 1); engine->base.context_pin = mock_context_pin; - engine->base.context_unpin = mock_context_unpin; engine->base.request_alloc = mock_request_alloc; engine->base.emit_flush = mock_emit_flush; engine->base.emit_breadcrumb = mock_emit_breadcrumb; engine->base.submit_request = mock_submit_request; i915_timeline_init(i915, &engine->base.timeline, engine->base.name); + lockdep_set_subclass(&engine->base.timeline.lock, TIMELINE_ENGINE); + intel_engine_init_breadcrumbs(&engine->base); engine->base.breadcrumbs.mock = true; /* prevent touching HW for irqs */ @@ -204,8 +214,13 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, if (!engine->base.buffer) goto err_breadcrumbs; + if (IS_ERR(intel_context_pin(i915->kernel_context, &engine->base))) + goto err_ring; + return &engine->base; +err_ring: + mock_ring_free(engine->base.buffer); err_breadcrumbs: intel_engine_fini_breadcrumbs(&engine->base); i915_timeline_fini(&engine->base.timeline); @@ -238,11 +253,15 @@ void mock_engine_free(struct intel_engine_cs *engine) { struct mock_engine *mock = container_of(engine, typeof(*mock), base); + struct intel_context *ce; GEM_BUG_ON(timer_pending(&mock->hw_delay)); - if (engine->last_retired_context) - intel_context_unpin(engine->last_retired_context, engine); + ce = fetch_and_zero(&engine->last_retired_context); + if (ce) + intel_context_unpin(ce); + + __intel_context_unpin(engine->i915->kernel_context, engine); mock_ring_free(engine->buffer); diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 94baedfa0f74..43ed8b28aeaa 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -136,8 +136,6 @@ static struct dev_pm_domain pm_domain = { struct drm_i915_private *mock_gem_device(void) { struct drm_i915_private *i915; - struct intel_engine_cs *engine; - enum intel_engine_id id; struct pci_dev *pdev; int err; @@ -159,7 +157,8 @@ struct drm_i915_private *mock_gem_device(void) dev_pm_domain_set(&pdev->dev, &pm_domain); pm_runtime_enable(&pdev->dev); pm_runtime_dont_use_autosuspend(&pdev->dev); - WARN_ON(pm_runtime_get_sync(&pdev->dev)); + if (pm_runtime_enabled(&pdev->dev)) + WARN_ON(pm_runtime_get_sync(&pdev->dev)); i915 = (struct drm_i915_private *)(pdev + 1); pci_set_drvdata(pdev, i915); @@ -233,13 +232,13 @@ struct drm_i915_private *mock_gem_device(void) mock_init_ggtt(i915); mkwrite_device_info(i915)->ring_mask = BIT(0); - i915->engine[RCS] = mock_engine(i915, "mock", RCS); - if (!i915->engine[RCS]) - goto err_unlock; - i915->kernel_context = mock_context(i915, NULL); if (!i915->kernel_context) - goto err_engine; + goto err_unlock; + + i915->engine[RCS] = mock_engine(i915, "mock", RCS); + if (!i915->engine[RCS]) + goto err_context; mutex_unlock(&i915->drm.struct_mutex); @@ -247,9 +246,8 @@ struct drm_i915_private *mock_gem_device(void) return i915; -err_engine: - for_each_engine(engine, i915, id) - mock_engine_free(engine); +err_context: + i915_gem_contexts_fini(i915); err_unlock: mutex_unlock(&i915->drm.struct_mutex); kmem_cache_destroy(i915->priorities); diff --git a/drivers/gpu/drm/i915/selftests/mock_gtt.c b/drivers/gpu/drm/i915/selftests/mock_gtt.c index 36c112088940..a140ea5c3a7c 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gtt.c +++ b/drivers/gpu/drm/i915/selftests/mock_gtt.c @@ -66,25 +66,21 @@ mock_ppgtt(struct drm_i915_private *i915, return NULL; kref_init(&ppgtt->ref); - ppgtt->base.i915 = i915; - ppgtt->base.total = round_down(U64_MAX, PAGE_SIZE); - ppgtt->base.file = ERR_PTR(-ENODEV); - - INIT_LIST_HEAD(&ppgtt->base.active_list); - INIT_LIST_HEAD(&ppgtt->base.inactive_list); - INIT_LIST_HEAD(&ppgtt->base.unbound_list); - - INIT_LIST_HEAD(&ppgtt->base.global_link); - drm_mm_init(&ppgtt->base.mm, 0, ppgtt->base.total); - - ppgtt->base.clear_range = nop_clear_range; - ppgtt->base.insert_page = mock_insert_page; - ppgtt->base.insert_entries = mock_insert_entries; - ppgtt->base.bind_vma = mock_bind_ppgtt; - ppgtt->base.unbind_vma = mock_unbind_ppgtt; - ppgtt->base.set_pages = ppgtt_set_pages; - ppgtt->base.clear_pages = clear_pages; - ppgtt->base.cleanup = mock_cleanup; + ppgtt->vm.i915 = i915; + ppgtt->vm.total = round_down(U64_MAX, PAGE_SIZE); + ppgtt->vm.file = ERR_PTR(-ENODEV); + + i915_address_space_init(&ppgtt->vm, i915); + + ppgtt->vm.clear_range = nop_clear_range; + ppgtt->vm.insert_page = mock_insert_page; + ppgtt->vm.insert_entries = mock_insert_entries; + ppgtt->vm.cleanup = mock_cleanup; + + ppgtt->vm.vma_ops.bind_vma = mock_bind_ppgtt; + ppgtt->vm.vma_ops.unbind_vma = mock_unbind_ppgtt; + ppgtt->vm.vma_ops.set_pages = ppgtt_set_pages; + ppgtt->vm.vma_ops.clear_pages = clear_pages; return ppgtt; } @@ -105,29 +101,28 @@ void mock_init_ggtt(struct drm_i915_private *i915) { struct i915_ggtt *ggtt = &i915->ggtt; - INIT_LIST_HEAD(&i915->vm_list); - - ggtt->base.i915 = i915; + ggtt->vm.i915 = i915; ggtt->gmadr = (struct resource) DEFINE_RES_MEM(0, 2048 * PAGE_SIZE); ggtt->mappable_end = resource_size(&ggtt->gmadr); - ggtt->base.total = 4096 * PAGE_SIZE; - - ggtt->base.clear_range = nop_clear_range; - ggtt->base.insert_page = mock_insert_page; - ggtt->base.insert_entries = mock_insert_entries; - ggtt->base.bind_vma = mock_bind_ggtt; - ggtt->base.unbind_vma = mock_unbind_ggtt; - ggtt->base.set_pages = ggtt_set_pages; - ggtt->base.clear_pages = clear_pages; - ggtt->base.cleanup = mock_cleanup; - - i915_address_space_init(&ggtt->base, i915, "global"); + ggtt->vm.total = 4096 * PAGE_SIZE; + + ggtt->vm.clear_range = nop_clear_range; + ggtt->vm.insert_page = mock_insert_page; + ggtt->vm.insert_entries = mock_insert_entries; + ggtt->vm.cleanup = mock_cleanup; + + ggtt->vm.vma_ops.bind_vma = mock_bind_ggtt; + ggtt->vm.vma_ops.unbind_vma = mock_unbind_ggtt; + ggtt->vm.vma_ops.set_pages = ggtt_set_pages; + ggtt->vm.vma_ops.clear_pages = clear_pages; + + i915_address_space_init(&ggtt->vm, i915); } void mock_fini_ggtt(struct drm_i915_private *i915) { struct i915_ggtt *ggtt = &i915->ggtt; - i915_address_space_fini(&ggtt->base); + i915_address_space_fini(&ggtt->vm); } |