diff options
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/intel_memory_region.c')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/intel_memory_region.c | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c index 04d0aa7b349e..3ef3620e0da5 100644 --- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c +++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c @@ -270,36 +270,31 @@ static int igt_gpu_write_dw(struct intel_context *ce, static int igt_cpu_check(struct drm_i915_gem_object *obj, u32 dword, u32 val) { - unsigned long n; + unsigned long n = obj->base.size >> PAGE_SHIFT; + u32 *ptr; int err; - i915_gem_object_lock(obj); - err = i915_gem_object_set_to_wc_domain(obj, false); - i915_gem_object_unlock(obj); - if (err) - return err; - - err = i915_gem_object_pin_pages(obj); + err = i915_gem_object_wait(obj, 0, MAX_SCHEDULE_TIMEOUT); if (err) return err; - for (n = 0; n < obj->base.size >> PAGE_SHIFT; ++n) { - u32 __iomem *base; - u32 read_val; - - base = i915_gem_object_lmem_io_map_page_atomic(obj, n); + ptr = i915_gem_object_pin_map(obj, I915_MAP_WC); + if (IS_ERR(ptr)) + return PTR_ERR(ptr); - read_val = ioread32(base + dword); - io_mapping_unmap_atomic(base); - if (read_val != val) { - pr_err("n=%lu base[%u]=%u, val=%u\n", - n, dword, read_val, val); + ptr += dword; + while (n--) { + if (*ptr != val) { + pr_err("base[%u]=%08x, val=%08x\n", + dword, *ptr, val); err = -EINVAL; break; } + + ptr += PAGE_SIZE / sizeof(*ptr); } - i915_gem_object_unpin_pages(obj); + i915_gem_object_unpin_map(obj); return err; } |