| /************************************************************************** |
| * |
| * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * |
| **************************************************************************/ |
| /* |
| * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> |
| */ |
| |
| #include "drmP.h" |
| #include "i915_drm.h" |
| #include "i915_drv.h" |
| |
| |
| drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t * dev) |
| { |
| return drm_agp_init_ttm(dev, NULL); |
| } |
| |
| int i915_fence_types(uint32_t buffer_flags, uint32_t * class, uint32_t * type) |
| { |
| *class = 0; |
| if (buffer_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE)) |
| *type = 3; |
| else |
| *type = 1; |
| return 0; |
| } |
| |
| int i915_invalidate_caches(drm_device_t * dev, uint32_t flags) |
| { |
| /* |
| * FIXME: Only emit once per batchbuffer submission. |
| */ |
| |
| uint32_t flush_cmd = MI_NO_WRITE_FLUSH; |
| |
| if (flags & DRM_BO_FLAG_READ) |
| flush_cmd |= MI_READ_FLUSH; |
| if (flags & DRM_BO_FLAG_EXE) |
| flush_cmd |= MI_EXE_FLUSH; |
| |
| return i915_emit_mi_flush(dev, flush_cmd); |
| } |