1 /**************************************************************************
3 * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
27 **************************************************************************/
29 * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
36 #define INTEL_AGP_MEM_USER (1 << 16)
37 #define INTEL_AGP_MEM_UCACHED (2 << 16)
39 drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev)
41 return drm_agp_init_ttm(dev, NULL, INTEL_AGP_MEM_USER, INTEL_AGP_MEM_UCACHED,
45 int i915_fence_types(uint32_t buffer_flags, uint32_t *class, uint32_t *type)
48 if (buffer_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
55 int i915_invalidate_caches(drm_device_t *dev, uint32_t flags)
58 * FIXME: Only emit once per batchbuffer submission.
61 uint32_t flush_cmd = MI_NO_WRITE_FLUSH;
63 if (flags & DRM_BO_FLAG_READ)
64 flush_cmd |= MI_READ_FLUSH;
65 if (flags & DRM_BO_FLAG_EXE)
66 flush_cmd |= MI_EXE_FLUSH;
69 return i915_emit_mi_flush(dev, flush_cmd);