diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 94f993e4c12f..5f6e63952821 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -180,7 +180,7 @@ i915_gem_phys_pwrite(struct drm_i915_gem_object *obj, struct drm_i915_gem_pwrite *args, struct drm_file *file) { - void *vaddr = obj->phys_handle->vaddr + args->offset; + void *vaddr = sg_page(obj->mm.pages->sgl) + args->offset; char __user *user_data = u64_to_user_ptr(args->data_ptr); /* @@ -265,7 +265,10 @@ i915_gem_dumb_create(struct drm_file *file, DRM_FORMAT_MOD_LINEAR)) args->pitch = ALIGN(args->pitch, 4096); - args->size = args->pitch * args->height; + if (args->pitch < args->width) + return -EINVAL; + + args->size = mul_u32_u32(args->pitch, args->height); mem_type = INTEL_MEMORY_SYSTEM; if (HAS_LMEM(to_i915(dev))) @@ -841,10 +844,10 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, ret = i915_gem_gtt_pwrite_fast(obj, args); if (ret == -EFAULT || ret == -ENOSPC) { - if (obj->phys_handle) - ret = i915_gem_phys_pwrite(obj, args, file); - else + if (i915_gem_object_has_struct_page(obj)) ret = i915_gem_shmem_pwrite(obj, args); + else + ret = i915_gem_phys_pwrite(obj, args, file); } i915_gem_object_unpin_pages(obj); |