diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c | 119 |
1 files changed, 100 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c index 3cc74b0fed06..2fda549dd82d 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c @@ -6,8 +6,13 @@ #include "i915_drv.h" #include "i915_selftest.h" +#include "gem/i915_gem_context.h" +#include "gt/intel_gt.h" +#include "mock_context.h" #include "mock_dmabuf.h" +#include "igt_gem_utils.h" +#include "selftests/mock_drm.h" #include "selftests/mock_gem_device.h" static int igt_dmabuf_export(void *arg) @@ -88,7 +93,7 @@ out: static int igt_dmabuf_import_same_driver_lmem(void *arg) { struct drm_i915_private *i915 = arg; - struct intel_memory_region *lmem = i915->mm.regions[INTEL_REGION_LMEM]; + struct intel_memory_region *lmem = i915->mm.regions[INTEL_REGION_LMEM_0]; struct drm_i915_gem_object *obj; struct drm_gem_object *import; struct dma_buf *dmabuf; @@ -140,6 +145,77 @@ out_ret: return err; } +static int verify_access(struct drm_i915_private *i915, + struct drm_i915_gem_object *native_obj, + struct drm_i915_gem_object *import_obj) +{ + struct i915_gem_engines_iter it; + struct i915_gem_context *ctx; + struct intel_context *ce; + struct i915_vma *vma; + struct file *file; + u32 *vaddr; + int err = 0, i; + unsigned int mode; + + file = mock_file(i915); + if (IS_ERR(file)) + return PTR_ERR(file); + + ctx = live_context(i915, file); + if (IS_ERR(ctx)) { + err = PTR_ERR(ctx); + goto out_file; + } + + for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { + if (intel_engine_can_store_dword(ce->engine)) + break; + } + i915_gem_context_unlock_engines(ctx); + if (!ce) + goto out_file; + + vma = i915_vma_instance(import_obj, ce->vm, NULL); + if (IS_ERR(vma)) { + err = PTR_ERR(vma); + goto out_file; + } + + err = i915_vma_pin(vma, 0, 0, PIN_USER); + if (err) + goto out_file; + + err = igt_gpu_fill_dw(ce, vma, 0, + vma->size >> PAGE_SHIFT, 0xdeadbeaf); + i915_vma_unpin(vma); + if (err) + goto out_file; + + err = i915_gem_object_wait(import_obj, 0, MAX_SCHEDULE_TIMEOUT); + if (err) + goto out_file; + + mode = intel_gt_coherent_map_type(to_gt(i915), native_obj, false); + vaddr = i915_gem_object_pin_map_unlocked(native_obj, mode); + if (IS_ERR(vaddr)) { + err = PTR_ERR(vaddr); + goto out_file; + } + + for (i = 0; i < native_obj->base.size / sizeof(u32); i += PAGE_SIZE / sizeof(u32)) { + if (vaddr[i] != 0xdeadbeaf) { + pr_err("Data mismatch [%d]=%u\n", i, vaddr[i]); + err = -EINVAL; + goto out_file; + } + } + +out_file: + fput(file); + return err; +} + static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915, struct intel_memory_region **regions, unsigned int num_regions) @@ -154,7 +230,7 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915, force_different_devices = true; - obj = __i915_gem_object_create_user(i915, PAGE_SIZE, + obj = __i915_gem_object_create_user(i915, SZ_8M, regions, num_regions); if (IS_ERR(obj)) { pr_err("__i915_gem_object_create_user failed with err=%ld\n", @@ -206,6 +282,10 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915, i915_gem_object_unlock(import_obj); + err = verify_access(i915, obj, import_obj); + if (err) + goto out_import; + /* Now try a fake an importer */ import_attach = dma_buf_attach(dmabuf, obj->base.dev->dev); if (IS_ERR(import_attach)) { @@ -213,19 +293,20 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915, goto out_import; } - st = dma_buf_map_attachment(import_attach, DMA_BIDIRECTIONAL); + st = dma_buf_map_attachment_unlocked(import_attach, DMA_BIDIRECTIONAL); if (IS_ERR(st)) { err = PTR_ERR(st); goto out_detach; } - timeout = dma_resv_wait_timeout(dmabuf->resv, false, true, 5 * HZ); + timeout = dma_resv_wait_timeout(dmabuf->resv, DMA_RESV_USAGE_WRITE, + true, 5 * HZ); if (!timeout) { pr_err("dmabuf wait for exclusive fence timed out.\n"); timeout = -ETIME; } err = timeout > 0 ? 0 : timeout; - dma_buf_unmap_attachment(import_attach, st, DMA_BIDIRECTIONAL); + dma_buf_unmap_attachment_unlocked(import_attach, st, DMA_BIDIRECTIONAL); out_detach: dma_buf_detach(dmabuf, import_attach); out_import: @@ -252,10 +333,10 @@ static int igt_dmabuf_import_same_driver_lmem_smem(void *arg) struct drm_i915_private *i915 = arg; struct intel_memory_region *regions[2]; - if (!i915->mm.regions[INTEL_REGION_LMEM]) + if (!i915->mm.regions[INTEL_REGION_LMEM_0]) return 0; - regions[0] = i915->mm.regions[INTEL_REGION_LMEM]; + regions[0] = i915->mm.regions[INTEL_REGION_LMEM_0]; regions[1] = i915->mm.regions[INTEL_REGION_SMEM]; return igt_dmabuf_import_same_driver(i915, regions, 2); } @@ -266,7 +347,7 @@ static int igt_dmabuf_import(void *arg) struct drm_i915_gem_object *obj; struct dma_buf *dmabuf; void *obj_map, *dma_map; - struct dma_buf_map map; + struct iosys_map map; u32 pattern[] = { 0, 0xaa, 0xcc, 0x55, 0xff }; int err, i; @@ -295,7 +376,7 @@ static int igt_dmabuf_import(void *arg) goto out_obj; } - err = dma_buf_vmap(dmabuf, &map); + err = dma_buf_vmap_unlocked(dmabuf, &map); dma_map = err ? NULL : map.vaddr; if (!dma_map) { pr_err("dma_buf_vmap failed\n"); @@ -336,7 +417,7 @@ static int igt_dmabuf_import(void *arg) err = 0; out_dma_map: - dma_buf_vunmap(dmabuf, &map); + dma_buf_vunmap_unlocked(dmabuf, &map); out_obj: i915_gem_object_put(obj); out_dmabuf: @@ -349,7 +430,7 @@ static int igt_dmabuf_import_ownership(void *arg) struct drm_i915_private *i915 = arg; struct drm_i915_gem_object *obj; struct dma_buf *dmabuf; - struct dma_buf_map map; + struct iosys_map map; void *ptr; int err; @@ -357,7 +438,7 @@ static int igt_dmabuf_import_ownership(void *arg) if (IS_ERR(dmabuf)) return PTR_ERR(dmabuf); - err = dma_buf_vmap(dmabuf, &map); + err = dma_buf_vmap_unlocked(dmabuf, &map); ptr = err ? NULL : map.vaddr; if (!ptr) { pr_err("dma_buf_vmap failed\n"); @@ -366,7 +447,7 @@ static int igt_dmabuf_import_ownership(void *arg) } memset(ptr, 0xc5, PAGE_SIZE); - dma_buf_vunmap(dmabuf, &map); + dma_buf_vunmap_unlocked(dmabuf, &map); obj = to_intel_bo(i915_gem_prime_import(&i915->drm, dmabuf)); if (IS_ERR(obj)) { @@ -400,7 +481,7 @@ static int igt_dmabuf_export_vmap(void *arg) struct drm_i915_private *i915 = arg; struct drm_i915_gem_object *obj; struct dma_buf *dmabuf; - struct dma_buf_map map; + struct iosys_map map; void *ptr; int err; @@ -417,7 +498,7 @@ static int igt_dmabuf_export_vmap(void *arg) } i915_gem_object_put(obj); - err = dma_buf_vmap(dmabuf, &map); + err = dma_buf_vmap_unlocked(dmabuf, &map); ptr = err ? NULL : map.vaddr; if (!ptr) { pr_err("dma_buf_vmap failed\n"); @@ -425,8 +506,8 @@ static int igt_dmabuf_export_vmap(void *arg) goto out; } - if (memchr_inv(ptr, 0, dmabuf->size)) { - pr_err("Exported object not initialiased to zero!\n"); + if (!mem_is_zero(ptr, dmabuf->size)) { + pr_err("Exported object not initialised to zero!\n"); err = -EINVAL; goto out; } @@ -434,7 +515,7 @@ static int igt_dmabuf_export_vmap(void *arg) memset(ptr, 0xc5, dmabuf->size); err = 0; - dma_buf_vunmap(dmabuf, &map); + dma_buf_vunmap_unlocked(dmabuf, &map); out: dma_buf_put(dmabuf); return err; @@ -475,5 +556,5 @@ int i915_gem_dmabuf_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_dmabuf_import_same_driver_lmem_smem), }; - return i915_subtests(tests, i915); + return i915_live_subtests(tests, i915); } |