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path: root/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index d70ca36f74f6..cdb85c77837c 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -3401,106 +3401,6 @@ static bool check_buffer_count(size_t count)
return !(count < 1 || count > INT_MAX || count > SIZE_MAX / sz - 1);
}
-/*
- * Legacy execbuffer just creates an exec2 list from the original exec object
- * list array and passes it to the real function.
- */
-int
-i915_gem_execbuffer_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file)
-{
- struct drm_i915_private *i915 = to_i915(dev);
- struct drm_i915_gem_execbuffer *args = data;
- struct drm_i915_gem_execbuffer2 exec2;
- struct drm_i915_gem_exec_object *exec_list = NULL;
- struct drm_i915_gem_exec_object2 *exec2_list = NULL;
- const size_t count = args->buffer_count;
- unsigned int i;
- int err;
-
- if (!check_buffer_count(count)) {
- drm_dbg(&i915->drm, "execbuf2 with %zd buffers\n", count);
- return -EINVAL;
- }
-
- exec2.buffers_ptr = args->buffers_ptr;
- exec2.buffer_count = args->buffer_count;
- exec2.batch_start_offset = args->batch_start_offset;
- exec2.batch_len = args->batch_len;
- exec2.DR1 = args->DR1;
- exec2.DR4 = args->DR4;
- exec2.num_cliprects = args->num_cliprects;
- exec2.cliprects_ptr = args->cliprects_ptr;
- exec2.flags = I915_EXEC_RENDER;
- i915_execbuffer2_set_context_id(exec2, 0);
-
- err = i915_gem_check_execbuffer(&exec2);
- if (err)
- return err;
-
- /* Copy in the exec list from userland */
- exec_list = kvmalloc_array(count, sizeof(*exec_list),
- __GFP_NOWARN | GFP_KERNEL);
-
- /* Allocate extra slots for use by the command parser */
- exec2_list = kvmalloc_array(count + 2, eb_element_size(),
- __GFP_NOWARN | GFP_KERNEL);
- if (exec_list == NULL || exec2_list == NULL) {
- drm_dbg(&i915->drm,
- "Failed to allocate exec list for %d buffers\n",
- args->buffer_count);
- kvfree(exec_list);
- kvfree(exec2_list);
- return -ENOMEM;
- }
- err = copy_from_user(exec_list,
- u64_to_user_ptr(args->buffers_ptr),
- sizeof(*exec_list) * count);
- if (err) {
- drm_dbg(&i915->drm, "copy %d exec entries failed %d\n",
- args->buffer_count, err);
- kvfree(exec_list);
- kvfree(exec2_list);
- return -EFAULT;
- }
-
- for (i = 0; i < args->buffer_count; i++) {
- exec2_list[i].handle = exec_list[i].handle;
- exec2_list[i].relocation_count = exec_list[i].relocation_count;
- exec2_list[i].relocs_ptr = exec_list[i].relocs_ptr;
- exec2_list[i].alignment = exec_list[i].alignment;
- exec2_list[i].offset = exec_list[i].offset;
- if (INTEL_GEN(to_i915(dev)) < 4)
- exec2_list[i].flags = EXEC_OBJECT_NEEDS_FENCE;
- else
- exec2_list[i].flags = 0;
- }
-
- err = i915_gem_do_execbuffer(dev, file, &exec2, exec2_list);
- if (exec2.flags & __EXEC_HAS_RELOC) {
- struct drm_i915_gem_exec_object __user *user_exec_list =
- u64_to_user_ptr(args->buffers_ptr);
-
- /* Copy the new buffer offsets back to the user's exec list. */
- for (i = 0; i < args->buffer_count; i++) {
- if (!(exec2_list[i].offset & UPDATE))
- continue;
-
- exec2_list[i].offset =
- gen8_canonical_addr(exec2_list[i].offset & PIN_OFFSET_MASK);
- exec2_list[i].offset &= PIN_OFFSET_MASK;
- if (__copy_to_user(&user_exec_list[i].offset,
- &exec2_list[i].offset,
- sizeof(user_exec_list[i].offset)))
- break;
- }
- }
-
- kvfree(exec_list);
- kvfree(exec2_list);
- return err;
-}
-
int
i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)