/**************************************************************************
- *
+ *
* 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
* 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
+ * 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 "i915_drm.h"
#include "i915_drv.h"
-struct drm_ttm_backend *i915_create_ttm_backend_entry(struct drm_device * dev)
+struct drm_ttm_backend *i915_create_ttm_backend_entry(struct drm_device *dev)
{
return drm_agp_init_ttm(dev);
}
-int i915_fence_types(struct drm_buffer_object *bo,
- uint32_t * fclass,
- uint32_t * type)
+int i915_fence_type(struct drm_buffer_object *bo,
+ uint32_t *fclass,
+ uint32_t *type)
{
- if (bo->mem.mask & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
+ if (bo->mem.proposed_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
*type = 3;
else
*type = 1;
return 0;
}
-int i915_invalidate_caches(struct drm_device * dev, uint64_t flags)
+int i915_invalidate_caches(struct drm_device *dev, uint64_t flags)
{
/*
* FIXME: Only emit once per batchbuffer submission.
return i915_emit_mi_flush(dev, flush_cmd);
}
-int i915_init_mem_type(struct drm_device * dev, uint32_t type,
- struct drm_mem_type_manager * man)
+int i915_init_mem_type(struct drm_device *dev, uint32_t type,
+ struct drm_mem_type_manager *man)
{
switch (type) {
case DRM_BO_MEM_LOCAL:
return 0;
}
-uint32_t i915_evict_mask(struct drm_buffer_object *bo)
+/*
+ * i915_evict_flags:
+ *
+ * @bo: the buffer object to be evicted
+ *
+ * Return the bo flags for a buffer which is not mapped to the hardware.
+ * These will be placed in proposed_flags so that when the move is
+ * finished, they'll end up in bo->mem.flags
+ */
+uint64_t i915_evict_flags(struct drm_buffer_object *bo)
{
switch (bo->mem.mem_type) {
case DRM_BO_MEM_LOCAL:
}
/*
- * Flip destination ttm into cached-coherent AGP,
+ * Flip destination ttm into cached-coherent AGP,
* then blit and subsequently move out again.
*/
#endif
/*
- * Disable i915_move_flip for now, since we can't guarantee that the hardware lock
- * is held here. To re-enable we need to make sure either
+ * Disable i915_move_flip for now, since we can't guarantee that the hardware
+ * lock is held here. To re-enable we need to make sure either
* a) The X server is using DRM to submit commands to the ring, or
- * b) DRM can use the HP ring for these blits. This means i915 needs to implement
- * a new ring submission mechanism and fence class.
+ * b) DRM can use the HP ring for these blits. This means i915 needs to
+ * implement a new ring submission mechanism and fence class.
*/
-
-int i915_move(struct drm_buffer_object * bo,
- int evict, int no_wait, struct drm_bo_mem_reg * new_mem)
+int i915_move(struct drm_buffer_object *bo,
+ int evict, int no_wait, struct drm_bo_mem_reg *new_mem)
{
struct drm_bo_mem_reg *old_mem = &bo->mem;
if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
} else if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
- if (0 /*i915_move_flip(bo, evict, no_wait, new_mem)*/)
+ if (1) /*i915_move_flip(bo, evict, no_wait, new_mem)*/
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
} else {
- if (0 /*i915_move_blit(bo, evict, no_wait, new_mem)*/)
+ if (1) /*i915_move_blit(bo, evict, no_wait, new_mem)*/
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
}
return 0;
#endif
static inline void drm_cache_flush_addr(void *virt)
-{
- int i;
+{
+#ifdef cpu_has_clflush
+ int i;
for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size)
clflush(virt+i);
+#endif
}
static inline void drm_cache_flush_page(struct page *p)
return;
DRM_MEMORYBARRIER();
- for (i = ttm->num_pages-1; i >= 0; i--)
+
+#ifdef CONFIG_X86_32
+#ifndef cpu_has_clflush
+#define cpu_has_clflush 0
+#endif
+ /* Hopefully nobody has built an x86-64 processor without clflush */
+ if (!cpu_has_clflush) {
+ wbinvd();
+ DRM_MEMORYBARRIER();
+ return;
+ }
+#endif
+
+ for (i = ttm->num_pages - 1; i >= 0; i--)
drm_cache_flush_page(drm_ttm_get_page(ttm, i));
+
DRM_MEMORYBARRIER();
}
projects / platform / upstream / libdrm.git / blobdiff