diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 64eda4463b70..5b6d764e9bb2 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -255,7 +255,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, reloc->delta += target_offset; if (use_cpu_reloc(obj)) { - uint32_t page_offset = reloc->offset & ~PAGE_MASK; + uint32_t page_offset = offset_in_page(reloc->offset); char *vaddr; ret = i915_gem_object_set_to_cpu_domain(obj, 1); @@ -284,7 +284,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, reloc_page = io_mapping_map_atomic_wc(dev_priv->gtt.mappable, reloc->offset & PAGE_MASK); reloc_entry = (uint32_t __iomem *) - (reloc_page + (reloc->offset & ~PAGE_MASK)); + (reloc_page + offset_in_page(reloc->offset)); iowrite32(reloc->delta, reloc_entry); io_mapping_unmap_atomic(reloc_page); } @@ -759,8 +759,10 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec, if (!access_ok(VERIFY_WRITE, ptr, length)) return -EFAULT; - if (fault_in_multipages_readable(ptr, length)) - return -EFAULT; + if (likely(!i915_prefault_disable)) { + if (fault_in_multipages_readable(ptr, length)) + return -EFAULT; + } } return 0; @@ -873,7 +875,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, break; case I915_EXEC_BSD: ring = &dev_priv->ring[VCS]; - if (ctx_id != 0) { + if (ctx_id != DEFAULT_CONTEXT_ID) { DRM_DEBUG("Ring %s doesn't support contexts\n", ring->name); return -EPERM; @@ -881,7 +883,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, break; case I915_EXEC_BLT: ring = &dev_priv->ring[BCS]; - if (ctx_id != 0) { + if (ctx_id != DEFAULT_CONTEXT_ID) { DRM_DEBUG("Ring %s doesn't support contexts\n", ring->name); return -EPERM; @@ -889,7 +891,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, break; case I915_EXEC_VEBOX: ring = &dev_priv->ring[VECS]; - if (ctx_id != 0) { + if (ctx_id != DEFAULT_CONTEXT_ID) { DRM_DEBUG("Ring %s doesn't support contexts\n", ring->name); return -EPERM; |