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
17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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>
37 drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t * dev)
39 return drm_agp_init_ttm(dev, NULL);
42 int i915_fence_types(uint32_t buffer_flags, uint32_t * class, uint32_t * type)
45 if (buffer_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
52 int i915_invalidate_caches(drm_device_t * dev, uint32_t flags)
55 * FIXME: Only emit once per batchbuffer submission.
58 uint32_t flush_cmd = MI_NO_WRITE_FLUSH;
60 if (flags & DRM_BO_FLAG_READ)
61 flush_cmd |= MI_READ_FLUSH;
62 if (flags & DRM_BO_FLAG_EXE)
63 flush_cmd |= MI_EXE_FLUSH;
65 return i915_emit_mi_flush(dev, flush_cmd);
68 int i915_init_mem_type(drm_device_t *dev, uint32_t type,
69 drm_mem_type_manager_t *man)
72 case DRM_BO_MEM_LOCAL:
73 man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
74 _DRM_FLAG_MEMTYPE_CACHED;
77 if (!(drm_core_has_AGP(dev) && dev->agp)) {
78 DRM_ERROR("AGP is not enabled for memory type %u\n",
82 man->io_offset = dev->agp->agp_info.aper_base;
83 man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
85 man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
86 _DRM_FLAG_MEMTYPE_CSELECT |
87 _DRM_FLAG_NEEDS_IOREMAP;
89 case DRM_BO_MEM_PRIV0:
90 if (!(drm_core_has_AGP(dev) && dev->agp)) {
91 DRM_ERROR("AGP is not enabled for memory type %u\n",
95 man->io_offset = dev->agp->agp_info.aper_base;
96 man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
98 man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
99 _DRM_FLAG_MEMTYPE_FIXED |
100 _DRM_FLAG_NEEDS_IOREMAP;
104 DRM_ERROR("Unsupported memory type %u\n", (unsigned) type);
110 uint32_t i915_evict_flags(drm_device_t *dev, uint32_t type)
113 case DRM_BO_MEM_LOCAL:
115 return DRM_BO_FLAG_MEM_LOCAL;
117 return DRM_BO_FLAG_MEM_TT;
121 static void i915_emit_copy_blit(drm_device_t *dev,
128 uint32_t stride = PAGE_SIZE;
129 drm_i915_private_t *dev_priv = dev->dev_private;
137 src_offset += (pages - 1) << PAGE_SHIFT;
138 dst_offset += (pages - 1) << PAGE_SHIFT;
143 if (cur_pages > 2048)
148 OUT_RING(XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
149 XY_SRC_COPY_BLT_WRITE_RGB);
150 OUT_RING((stride & 0xffff) | ( 0xcc << 16) | (1 << 24) |
153 OUT_RING((cur_pages << 16) | (PAGE_SIZE >> 2));
154 OUT_RING(dst_offset);
156 OUT_RING(stride & 0xffff);
157 OUT_RING(src_offset);
159 dst_offset += (cur_pages << PAGE_SHIFT)*(direction ? -1 : 1);
160 src_offset += (cur_pages << PAGE_SHIFT)*(direction ? -1 : 1);
165 static int drm_bo_move_blit(drm_buffer_object_t *bo,
168 drm_bo_mem_reg_t *new_mem)
170 drm_bo_mem_reg_t *old_mem = &bo->mem;
173 if ((old_mem->mem_type == new_mem->mem_type) &&
174 (new_mem->mm_node->start <
175 old_mem->mm_node->start + old_mem->mm_node->size)) {
179 i915_emit_copy_blit(bo->dev,
180 old_mem->mm_node->start << PAGE_SHIFT,
181 new_mem->mm_node->start << PAGE_SHIFT,
185 i915_emit_mi_flush(bo->dev, MI_READ_FLUSH | MI_EXE_FLUSH);
187 return drm_bo_move_accel_cleanup(bo, evict, no_wait,
189 DRM_I915_FENCE_TYPE_RW,
190 DRM_I915_FENCE_FLAG_FLUSHED,