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Don't wait for buffer idle before applying relocations.

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This commit is contained in:
Thomas Hellstrom 2008-02-27 19:46:28 +01:00
parent e87cec1968
commit 72983ff301
1 changed files with 9 additions and 4 deletions
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13
shared-core/i915_dma.c
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@ -860,6 +860,15 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers,
drm_bo_kunmap(&relocatee->kmap);
relocatee->data_page = NULL;
relocatee->offset = new_cmd_offset;
/*
* Note on buffer idle:
* Since we're applying relocations, this part of the
* buffer is obviously not used by the GPU and we don't
* need to wait for buffer idle. This is an important
* consideration for user-space buffer pools.
*/
ret = drm_bo_kmap(relocatee->buf, new_cmd_offset >> PAGE_SHIFT,
1, &relocatee->kmap);
if (ret) {
@ -1003,10 +1012,6 @@ static int i915_exec_reloc(struct drm_file *file_priv, drm_handle_t buf_handle,
}
mutex_lock (&relocatee.buf->mutex);
ret = drm_bo_wait (relocatee.buf, 0, 0, FALSE);
if (ret)
goto out_err1;
while (reloc_user_ptr) {
ret = i915_process_relocs(file_priv, buf_handle, &reloc_user_ptr, &relocatee, buffers, buf_count);
if (ret) {