diff options
author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-10-18 17:33:19 +0200 |
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committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-10-18 17:33:19 +0200 |
commit | e22b04f807b9869c8c89b6316214517f5da13322 (patch) | |
tree | e2bf963e8704a0a9e0ec37a791c119e6e0995ed2 /linux-core/i915_buffer.c | |
parent | 11aaa358a0f56afb64df44c737ec331d90118537 (diff) | |
parent | e172945d668f1de1243ac2ae91ab77f3b2bda40a (diff) |
Merging drm-ttm-0-2-branch
Conflicts:
linux-core/drmP.h
linux-core/drm_drv.c
linux-core/drm_irq.c
linux-core/drm_stub.c
shared-core/drm.h
shared-core/i915_drv.h
shared-core/i915_irq.c
Diffstat (limited to 'linux-core/i915_buffer.c')
-rw-r--r-- | linux-core/i915_buffer.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/linux-core/i915_buffer.c b/linux-core/i915_buffer.c new file mode 100644 index 00000000..c3e54468 --- /dev/null +++ b/linux-core/i915_buffer.c @@ -0,0 +1,66 @@ +/************************************************************************** + * + * 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); +} |