diff options
Diffstat (limited to 'drivers/gpu/drm/i915/selftests')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/huge_pages.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_coherency.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_context.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 48 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_object.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_request.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_gem_timeline.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_live_selftests.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_syncmap.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_vma.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/intel_guc.c | 367 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/intel_uncore.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_engine.c | 41 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_gem_device.c | 7 |
14 files changed, 461 insertions, 49 deletions
diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c index 5cc8101bb2b1..01af540b6ef9 100644 --- a/drivers/gpu/drm/i915/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/selftests/huge_pages.c @@ -1159,6 +1159,9 @@ static int igt_ppgtt_exhaust_huge(void *arg) int n, i; int err = -ENODEV; + if (supported == I915_GTT_PAGE_SIZE_4K) + return 0; + /* * Sanity check creating objects with a varying mix of page sizes -- * ensuring that our writes lands in the right place. diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c index 35d778d70626..7a0d1e17c1ad 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c @@ -33,7 +33,7 @@ static int cpu_set(struct drm_i915_gem_object *obj, { unsigned int needs_clflush; struct page *page; - typeof(v) *map; + u32 *map; int err; err = i915_gem_obj_prepare_shmem_write(obj, &needs_clflush); @@ -59,7 +59,7 @@ static int cpu_get(struct drm_i915_gem_object *obj, { unsigned int needs_clflush; struct page *page; - typeof(v) map; + u32 *map; int err; err = i915_gem_obj_prepare_shmem_read(obj, &needs_clflush); @@ -82,7 +82,7 @@ static int gtt_set(struct drm_i915_gem_object *obj, u32 v) { struct i915_vma *vma; - typeof(v) *map; + u32 __iomem *map; int err; err = i915_gem_object_set_to_gtt_domain(obj, true); @@ -98,7 +98,7 @@ static int gtt_set(struct drm_i915_gem_object *obj, if (IS_ERR(map)) return PTR_ERR(map); - map[offset / sizeof(*map)] = v; + iowrite32(v, &map[offset / sizeof(*map)]); i915_vma_unpin_iomap(vma); return 0; @@ -109,7 +109,7 @@ static int gtt_get(struct drm_i915_gem_object *obj, u32 *v) { struct i915_vma *vma; - typeof(v) map; + u32 __iomem *map; int err; err = i915_gem_object_set_to_gtt_domain(obj, false); @@ -125,7 +125,7 @@ static int gtt_get(struct drm_i915_gem_object *obj, if (IS_ERR(map)) return PTR_ERR(map); - *v = map[offset / sizeof(*map)]; + *v = ioread32(&map[offset / sizeof(*map)]); i915_vma_unpin_iomap(vma); return 0; @@ -135,7 +135,7 @@ static int wc_set(struct drm_i915_gem_object *obj, unsigned long offset, u32 v) { - typeof(v) *map; + u32 *map; int err; err = i915_gem_object_set_to_wc_domain(obj, true); @@ -156,7 +156,7 @@ static int wc_get(struct drm_i915_gem_object *obj, unsigned long offset, u32 *v) { - typeof(v) map; + u32 *map; int err; err = i915_gem_object_set_to_wc_domain(obj, false); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c index def5052862ae..c82780a9d455 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c @@ -325,7 +325,7 @@ static int igt_ctx_exec(void *arg) LIST_HEAD(objects); unsigned long ncontexts, ndwords, dw; bool first_shared_gtt = true; - int err; + int err = -ENODEV; /* Create a few different contexts (with different mm) and write * through each ctx/mm using the GPU making sure those writes end diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index 9da0c9f99916..6491cf0a4f46 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -216,13 +216,21 @@ static int lowlevel_hole(struct drm_i915_private *i915, hole_size = (hole_end - hole_start) >> size; if (hole_size > KMALLOC_MAX_SIZE / sizeof(u32)) hole_size = KMALLOC_MAX_SIZE / sizeof(u32); - count = hole_size; + count = hole_size >> 1; + if (!count) { + pr_debug("%s: hole is too small [%llx - %llx] >> %d: %lld\n", + __func__, hole_start, hole_end, size, hole_size); + break; + } + do { - count >>= 1; order = i915_random_order(count, &prng); - } while (!order && count); - if (!order) - break; + if (order) + break; + } while (count >>= 1); + if (!count) + return -ENOMEM; + GEM_BUG_ON(!order); GEM_BUG_ON(count * BIT_ULL(size) > vm->total); GEM_BUG_ON(hole_start + count * BIT_ULL(size) > hole_end); @@ -267,7 +275,9 @@ static int lowlevel_hole(struct drm_i915_private *i915, mock_vma.node.size = BIT_ULL(size); mock_vma.node.start = addr; + intel_runtime_pm_get(i915); vm->insert_entries(vm, &mock_vma, I915_CACHE_NONE, 0); + intel_runtime_pm_put(i915); } count = n; @@ -697,18 +707,26 @@ static int drunk_hole(struct drm_i915_private *i915, unsigned int *order, count, n; struct i915_vma *vma; u64 hole_size; - int err; + int err = -ENODEV; hole_size = (hole_end - hole_start) >> size; if (hole_size > KMALLOC_MAX_SIZE / sizeof(u32)) hole_size = KMALLOC_MAX_SIZE / sizeof(u32); - count = hole_size; + count = hole_size >> 1; + if (!count) { + pr_debug("%s: hole is too small [%llx - %llx] >> %d: %lld\n", + __func__, hole_start, hole_end, size, hole_size); + break; + } + do { - count >>= 1; order = i915_random_order(count, &prng); - } while (!order && count); - if (!order) - break; + if (order) + break; + } while (count >>= 1); + if (!count) + return -ENOMEM; + GEM_BUG_ON(!order); /* Ignore allocation failures (i.e. don't report them as * a test failure) as we are purposefully allocating very @@ -956,7 +974,7 @@ static int exercise_ggtt(struct drm_i915_private *i915, u64 hole_start, hole_end, last = 0; struct drm_mm_node *node; IGT_TIMEOUT(end_time); - int err; + int err = 0; mutex_lock(&i915->drm.struct_mutex); restart: @@ -1047,6 +1065,7 @@ static int igt_ggtt_page(void *arg) goto out_remove; } + intel_runtime_pm_get(i915); for (n = 0; n < count; n++) { u64 offset = tmp.start + order[n] * PAGE_SIZE; u32 __iomem *vaddr; @@ -1086,6 +1105,7 @@ static int igt_ggtt_page(void *arg) break; } } + intel_runtime_pm_put(i915); kfree(order); out_remove: @@ -1160,7 +1180,7 @@ static int igt_gtt_reserve(void *arg) struct drm_i915_gem_object *obj, *on; LIST_HEAD(objects); u64 total; - int err; + int err = -ENODEV; /* i915_gem_gtt_reserve() tries to reserve the precise range * for the node, and evicts if it has to. So our test checks that @@ -1351,7 +1371,7 @@ static int igt_gtt_insert(void *arg) }, *ii; LIST_HEAD(objects); u64 total; - int err; + int err = -ENODEV; /* i915_gem_gtt_insert() tries to allocate some free space in the GTT * to the node, evicting if required. diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c index 1b8774a42e48..f32aa6bb79e2 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c @@ -317,6 +317,7 @@ static int igt_partial_tiling(void *arg) } mutex_lock(&i915->drm.struct_mutex); + intel_runtime_pm_get(i915); if (1) { IGT_TIMEOUT(end); @@ -418,6 +419,7 @@ next_tiling: ; } out_unlock: + intel_runtime_pm_put(i915); mutex_unlock(&i915->drm.struct_mutex); i915_gem_object_unpin_pages(obj); out: diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_request.c b/drivers/gpu/drm/i915/selftests/i915_gem_request.c index a999161e8db1..6bce99050e94 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_request.c @@ -332,7 +332,7 @@ static int live_nop_request(void *arg) struct intel_engine_cs *engine; struct live_test t; unsigned int id; - int err; + int err = -ENODEV; /* Submit various sized batches of empty requests, to each engine * (individually), and wait for the batch to complete. We can check diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_timeline.c b/drivers/gpu/drm/i915/selftests/i915_gem_timeline.c index 4795877abe56..3000e6a7d82d 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_timeline.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_timeline.c @@ -79,7 +79,7 @@ static int igt_sync(void *arg) }, *p; struct intel_timeline *tl; int order, offset; - int ret; + int ret = -ENODEV; tl = mock_timeline(0); if (!tl) diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h index d7dd98a6acad..088f45bc6199 100644 --- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h @@ -20,3 +20,4 @@ selftest(evict, i915_gem_evict_live_selftests) selftest(hugepages, i915_gem_huge_page_live_selftests) selftest(contexts, i915_gem_context_live_selftests) selftest(hangcheck, intel_hangcheck_live_selftests) +selftest(guc, intel_guc_live_selftest) diff --git a/drivers/gpu/drm/i915/selftests/i915_syncmap.c b/drivers/gpu/drm/i915/selftests/i915_syncmap.c index bcab3d00a785..47f4ae18a1ef 100644 --- a/drivers/gpu/drm/i915/selftests/i915_syncmap.c +++ b/drivers/gpu/drm/i915/selftests/i915_syncmap.c @@ -333,7 +333,7 @@ static int igt_syncmap_join_below(void *arg) { struct i915_syncmap *sync; unsigned int step, order, idx; - int err; + int err = -ENODEV; i915_syncmap_init(&sync); @@ -402,7 +402,7 @@ static int igt_syncmap_neighbours(void *arg) I915_RND_STATE(prng); IGT_TIMEOUT(end_time); struct i915_syncmap *sync; - int err; + int err = -ENODEV; /* * Each leaf holds KSYNCMAP seqno. Check that when we create KSYNCMAP @@ -447,7 +447,7 @@ static int igt_syncmap_compact(void *arg) { struct i915_syncmap *sync; unsigned int idx, order; - int err; + int err = -ENODEV; i915_syncmap_init(&sync); diff --git a/drivers/gpu/drm/i915/selftests/i915_vma.c b/drivers/gpu/drm/i915/selftests/i915_vma.c index 2e86ec136b35..eb89e301b602 100644 --- a/drivers/gpu/drm/i915/selftests/i915_vma.c +++ b/drivers/gpu/drm/i915/selftests/i915_vma.c @@ -150,7 +150,7 @@ static int igt_vma_create(void *arg) IGT_TIMEOUT(end_time); LIST_HEAD(contexts); LIST_HEAD(objects); - int err; + int err = -ENOMEM; /* Exercise creating many vma amonst many objections, checking the * vma creation and lookup routines. diff --git a/drivers/gpu/drm/i915/selftests/intel_guc.c b/drivers/gpu/drm/i915/selftests/intel_guc.c new file mode 100644 index 000000000000..f10029e18820 --- /dev/null +++ b/drivers/gpu/drm/i915/selftests/intel_guc.c @@ -0,0 +1,367 @@ +/* + * Copyright © 2017 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include "../i915_selftest.h" + +/* max doorbell number + negative test for each client type */ +#define ATTEMPTS (GUC_NUM_DOORBELLS + GUC_CLIENT_PRIORITY_NUM) + +struct intel_guc_client *clients[ATTEMPTS]; + +static bool available_dbs(struct intel_guc *guc, u32 priority) +{ + unsigned long offset; + unsigned long end; + u16 id; + + /* first half is used for normal priority, second half for high */ + offset = 0; + end = GUC_NUM_DOORBELLS / 2; + if (priority <= GUC_CLIENT_PRIORITY_HIGH) { + offset = end; + end += offset; + } + + id = find_next_zero_bit(guc->doorbell_bitmap, end, offset); + if (id < end) + return true; + + return false; +} + +static int check_all_doorbells(struct intel_guc *guc) +{ + u16 db_id; + + pr_info_once("Max number of doorbells: %d", GUC_NUM_DOORBELLS); + for (db_id = 0; db_id < GUC_NUM_DOORBELLS; ++db_id) { + if (!doorbell_ok(guc, db_id)) { + pr_err("doorbell %d, not ok\n", db_id); + return -EIO; + } + } + + return 0; +} + +/* + * Basic client sanity check, handy to validate create_clients. + */ +static int validate_client(struct intel_guc_client *client, + int client_priority, + bool is_preempt_client) +{ + struct drm_i915_private *dev_priv = guc_to_i915(client->guc); + struct i915_gem_context *ctx_owner = is_preempt_client ? + dev_priv->preempt_context : dev_priv->kernel_context; + + if (client->owner != ctx_owner || + client->engines != INTEL_INFO(dev_priv)->ring_mask || + client->priority != client_priority || + client->doorbell_id == GUC_DOORBELL_INVALID) + return -EINVAL; + else + return 0; +} + +/* + * Check that guc_init_doorbell_hw is doing what it should. + * + * During GuC submission enable, we create GuC clients and their doorbells, + * but after resetting the microcontroller (resume & gpu reset), these + * GuC clients are still around, but the status of their doorbells may be + * incorrect. This is the reason behind validating that the doorbells status + * expected by the driver matches what the GuC/HW have. + */ +static int igt_guc_init_doorbell_hw(void *args) +{ + struct drm_i915_private *dev_priv = args; + struct intel_guc *guc; + DECLARE_BITMAP(db_bitmap_bk, GUC_NUM_DOORBELLS); + int i, err = 0; + + GEM_BUG_ON(!HAS_GUC(dev_priv)); + mutex_lock(&dev_priv->drm.struct_mutex); + + guc = &dev_priv->guc; + if (!guc) { + pr_err("No guc object!\n"); + err = -EINVAL; + goto unlock; + } + + err = check_all_doorbells(guc); + if (err) + goto unlock; + + /* + * Get rid of clients created during driver load because the test will + * recreate them. + */ + guc_clients_destroy(guc); + if (guc->execbuf_client || guc->preempt_client) { + pr_err("guc_clients_destroy lied!\n"); + err = -EINVAL; + goto unlock; + } + + err = guc_clients_create(guc); + if (err) { + pr_err("Failed to create clients\n"); + goto unlock; + } + + err = validate_client(guc->execbuf_client, + GUC_CLIENT_PRIORITY_KMD_NORMAL, false); + if (err) { + pr_err("execbug client validation failed\n"); + goto out; + } + + err = validate_client(guc->preempt_client, + GUC_CLIENT_PRIORITY_KMD_HIGH, true); + if (err) { + pr_err("preempt client validation failed\n"); + goto out; + } + + /* each client should have received a doorbell during alloc */ + if (!has_doorbell(guc->execbuf_client) || + !has_doorbell(guc->preempt_client)) { + pr_err("guc_clients_create didn't create doorbells\n"); + err = -EINVAL; + goto out; + } + + /* + * Basic test - an attempt to reallocate a valid doorbell to the + * client it is currently assigned should not cause a failure. + */ + err = guc_init_doorbell_hw(guc); + if (err) + goto out; + + /* + * Negative test - a client with no doorbell (invalid db id). + * Each client gets a doorbell when it is created, after destroying + * the doorbell, the db id is changed to GUC_DOORBELL_INVALID and the + * firmware will reject any attempt to allocate a doorbell with an + * invalid id (db has to be reserved before allocation). + */ + destroy_doorbell(guc->execbuf_client); + if (has_doorbell(guc->execbuf_client)) { + pr_err("destroy db did not work\n"); + err = -EINVAL; + goto out; + } + + err = guc_init_doorbell_hw(guc); + if (err != -EIO) { + pr_err("unexpected (err = %d)", err); + goto out; + } + + if (!available_dbs(guc, guc->execbuf_client->priority)) { + pr_err("doorbell not available when it should\n"); + err = -EIO; + goto out; + } + + /* clean after test */ + err = create_doorbell(guc->execbuf_client); + if (err) { + pr_err("recreate doorbell failed\n"); + goto out; + } + + /* + * Negative test - doorbell_bitmap out of sync, will trigger a few of + * WARN_ON(!doorbell_ok(guc, db_id)) but that's ok as long as the + * doorbells from our clients don't fail. + */ + bitmap_copy(db_bitmap_bk, guc->doorbell_bitmap, GUC_NUM_DOORBELLS); + for (i = 0; i < GUC_NUM_DOORBELLS; i++) + if (i % 2) + test_and_change_bit(i, guc->doorbell_bitmap); + + err = guc_init_doorbell_hw(guc); + if (err) { + pr_err("out of sync doorbell caused an error\n"); + goto out; + } + + /* restore 'correct' db bitmap */ + bitmap_copy(guc->doorbell_bitmap, db_bitmap_bk, GUC_NUM_DOORBELLS); + err = guc_init_doorbell_hw(guc); + if (err) { + pr_err("restored doorbell caused an error\n"); + goto out; + } + +out: + /* + * Leave clean state for other test, plus the driver always destroy the + * clients during unload. + */ + guc_clients_destroy(guc); + guc_clients_create(guc); +unlock: + mutex_unlock(&dev_priv->drm.struct_mutex); + return err; +} + +/* + * Create as many clients as number of doorbells. Note that there's already + * client(s)/doorbell(s) created during driver load, but this test creates + * its own and do not interact with the existing ones. + */ +static int igt_guc_doorbells(void *arg) +{ + struct drm_i915_private *dev_priv = arg; + struct intel_guc *guc; + int i, err = 0; + u16 db_id; + + GEM_BUG_ON(!HAS_GUC(dev_priv)); + mutex_lock(&dev_priv->drm.struct_mutex); + + guc = &dev_priv->guc; + if (!guc) { + pr_err("No guc object!\n"); + err = -EINVAL; + goto unlock; + } + + err = check_all_doorbells(guc); + if (err) + goto unlock; + + for (i = 0; i < ATTEMPTS; i++) { + clients[i] = guc_client_alloc(dev_priv, + INTEL_INFO(dev_priv)->ring_mask, + i % GUC_CLIENT_PRIORITY_NUM, + dev_priv->kernel_context); + + if (!clients[i]) { + pr_err("[%d] No guc client\n", i); + err = -EINVAL; + goto out; + } + + if (IS_ERR(clients[i])) { + if (PTR_ERR(clients[i]) != -ENOSPC) { + pr_err("[%d] unexpected error\n", i); + err = PTR_ERR(clients[i]); + goto out; + } + + if (available_dbs(guc, i % GUC_CLIENT_PRIORITY_NUM)) { + pr_err("[%d] non-db related alloc fail\n", i); + err = -EINVAL; + goto out; + } + + /* expected, ran out of dbs for this client type */ + continue; + } + + /* + * The check below is only valid because we keep a doorbell + * assigned during the whole life of the client. + */ + if (clients[i]->stage_id >= GUC_NUM_DOORBELLS) { + pr_err("[%d] more clients than doorbells (%d >= %d)\n", + i, clients[i]->stage_id, GUC_NUM_DOORBELLS); + err = -EINVAL; + goto out; + } + + err = validate_client(clients[i], + i % GUC_CLIENT_PRIORITY_NUM, false); + if (err) { + pr_err("[%d] client_alloc sanity check failed!\n", i); + err = -EINVAL; + goto out; + } + + db_id = clients[i]->doorbell_id; + + /* + * Client alloc gives us a doorbell, but we want to exercise + * this ourselves (this resembles guc_init_doorbell_hw) + */ + destroy_doorbell(clients[i]); + if (clients[i]->doorbell_id != GUC_DOORBELL_INVALID) { + pr_err("[%d] destroy db did not work!\n", i); + err = -EINVAL; + goto out; + } + + err = __reserve_doorbell(clients[i]); + if (err) { + pr_err("[%d] Failed to reserve a doorbell\n", i); + goto out; + } + + __update_doorbell_desc(clients[i], clients[i]->doorbell_id); + err = __create_doorbell(clients[i]); + if (err) { + pr_err("[%d] Failed to create a doorbell\n", i); + goto out; + } + + /* doorbell id shouldn't change, we are holding the mutex */ + if (db_id != clients[i]->doorbell_id) { + pr_err("[%d] doorbell id changed (%d != %d)\n", + i, db_id, clients[i]->doorbell_id); + err = -EINVAL; + goto out; + } + + err = check_all_doorbells(guc); + if (err) + goto out; + } + +out: + for (i = 0; i < ATTEMPTS; i++) + if (!IS_ERR_OR_NULL(clients[i])) + guc_client_free(clients[i]); +unlock: + mutex_unlock(&dev_priv->drm.struct_mutex); + return err; +} + +int intel_guc_live_selftest(struct drm_i915_private *dev_priv) +{ + static const struct i915_subtest tests[] = { + SUBTEST(igt_guc_init_doorbell_hw), + SUBTEST(igt_guc_doorbells), + }; + + if (!i915_modparams.enable_guc_submission) + return 0; + + return i915_subtests(tests, dev_priv); +} diff --git a/drivers/gpu/drm/i915/selftests/intel_uncore.c b/drivers/gpu/drm/i915/selftests/intel_uncore.c index 3cac22eb47ce..2f6367643171 100644 --- a/drivers/gpu/drm/i915/selftests/intel_uncore.c +++ b/drivers/gpu/drm/i915/selftests/intel_uncore.c @@ -120,10 +120,10 @@ static int intel_uncore_check_forcewake_domains(struct drm_i915_private *dev_pri !IS_CHERRYVIEW(dev_priv)) return 0; - if (IS_VALLEYVIEW(dev_priv)) /* XXX system lockup! */ - return 0; - - if (IS_BROADWELL(dev_priv)) /* XXX random GPU hang afterwards! */ + /* + * This test may lockup the machine or cause GPU hangs afterwards. + */ + if (!IS_ENABLED(CONFIG_DRM_I915_SELFTEST_BROKEN)) return 0; valid = kzalloc(BITS_TO_LONGS(FW_RANGE) * sizeof(*valid), @@ -148,7 +148,10 @@ static int intel_uncore_check_forcewake_domains(struct drm_i915_private *dev_pri for_each_set_bit(offset, valid, FW_RANGE) { i915_reg_t reg = { offset }; + iosf_mbi_punit_acquire(); intel_uncore_forcewake_reset(dev_priv, false); + iosf_mbi_punit_release(); + check_for_unclaimed_mmio(dev_priv); (void)I915_READ(reg); diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c index 331c2b09869e..55c0e2c15782 100644 --- a/drivers/gpu/drm/i915/selftests/mock_engine.c +++ b/drivers/gpu/drm/i915/selftests/mock_engine.c @@ -32,6 +32,13 @@ static struct mock_request *first_request(struct mock_engine *engine) link); } +static void advance(struct mock_engine *engine, + struct mock_request *request) +{ + list_del_init(&request->link); + mock_seqno_advance(&engine->base, request->base.global_seqno); +} + static void hw_delay_complete(struct timer_list *t) { struct mock_engine *engine = from_timer(engine, t, hw_delay); @@ -39,15 +46,23 @@ static void hw_delay_complete(struct timer_list *t) spin_lock(&engine->hw_lock); - request = first_request(engine); - if (request) { - list_del_init(&request->link); - mock_seqno_advance(&engine->base, request->base.global_seqno); - } - + /* Timer fired, first request is complete */ request = first_request(engine); if (request) - mod_timer(&engine->hw_delay, jiffies + request->delay); + advance(engine, request); + + /* + * Also immediately signal any subsequent 0-delay requests, but + * requeue the timer for the next delayed request. + */ + while ((request = first_request(engine))) { + if (request->delay) { + mod_timer(&engine->hw_delay, jiffies + request->delay); + break; + } + + advance(engine, request); + } spin_unlock(&engine->hw_lock); } @@ -98,16 +113,22 @@ static void mock_submit_request(struct drm_i915_gem_request *request) spin_lock_irq(&engine->hw_lock); list_add_tail(&mock->link, &engine->hw_queue); - if (mock->link.prev == &engine->hw_queue) - mod_timer(&engine->hw_delay, jiffies + mock->delay); + if (mock->link.prev == &engine->hw_queue) { + if (mock->delay) + mod_timer(&engine->hw_delay, jiffies + mock->delay); + else + advance(engine, mock); + } spin_unlock_irq(&engine->hw_lock); } static struct intel_ring *mock_ring(struct intel_engine_cs *engine) { - const unsigned long sz = roundup_pow_of_two(sizeof(struct intel_ring)); + const unsigned long sz = PAGE_SIZE / 2; struct intel_ring *ring; + BUILD_BUG_ON(MIN_SPACE_FOR_ADD_REQUEST > sz); + ring = kzalloc(sizeof(*ring) + sz, GFP_KERNEL); if (!ring) return NULL; diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 04eb9362f4f8..80f152aaedf9 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -179,8 +179,8 @@ struct drm_i915_private *mock_gem_device(void) I915_GTT_PAGE_SIZE_64K | I915_GTT_PAGE_SIZE_2M; - spin_lock_init(&i915->mm.object_stat_lock); mock_uncore_init(i915); + i915_gem_init__mm(i915); init_waitqueue_head(&i915->gpu_error.wait_queue); init_waitqueue_head(&i915->gpu_error.reset_queue); @@ -189,11 +189,6 @@ struct drm_i915_private *mock_gem_device(void) if (!i915->wq) goto put_device; - INIT_WORK(&i915->mm.free_work, __i915_gem_free_work); - init_llist_head(&i915->mm.free_list); - INIT_LIST_HEAD(&i915->mm.unbound_list); - INIT_LIST_HEAD(&i915->mm.bound_list); - mock_init_contexts(i915); INIT_DELAYED_WORK(&i915->gt.retire_work, mock_retire_work_handler); |