diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drmP.h | 16 | ||||
| -rw-r--r-- | linux-core/drm_agpsupport.c | 85 | ||||
| -rw-r--r-- | linux-core/drm_bo.c | 35 | ||||
| -rw-r--r-- | linux-core/drm_ttm.c | 25 | ||||
| -rw-r--r-- | linux-core/drm_ttm.h | 15 | ||||
| -rw-r--r-- | linux-core/i915_buffer.c | 17 |
6 files changed, 95 insertions, 98 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 1b6d94e4..f706d4d8 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -664,7 +664,7 @@ typedef struct drm_bo_driver{ int cached_vram; drm_local_map_t *vram_map; drm_ttm_backend_t *(*create_ttm_backend_entry) - (struct drm_device *dev, int cached); + (struct drm_device *dev); int (*fence_type)(uint32_t flags, uint32_t *class, uint32_t *type); int (*invalidate_caches)(struct drm_device *dev, uint32_t flags); } drm_bo_driver_t; @@ -977,7 +977,9 @@ typedef struct drm_device { typedef struct drm_agp_ttm_priv { DRM_AGP_MEM *mem; struct agp_bridge_data *bridge; - unsigned mem_type; + unsigned alloc_type; + unsigned cached_type; + unsigned uncached_type; int populated; } drm_agp_ttm_priv; #endif @@ -1289,11 +1291,11 @@ extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size extern int drm_agp_free_memory(DRM_AGP_MEM * handle); extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); -extern drm_ttm_backend_t *drm_agp_init_ttm_cached(struct drm_device *dev, - drm_ttm_backend_t *backend); -extern drm_ttm_backend_t *drm_agp_init_ttm_uncached(struct drm_device *dev, - drm_ttm_backend_t *backend); - +extern drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev, + drm_ttm_backend_t *backend, + unsigned alloc_type, + unsigned cached_type, + unsigned uncached_type); /* Stub support (drm_stub.h) */ extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver); diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c index 77994d5c..902b8947 100644 --- a/linux-core/drm_agpsupport.c +++ b/linux-core/drm_agpsupport.c @@ -552,20 +552,16 @@ int drm_agp_unbind_memory(DRM_AGP_MEM * handle) return agp_unbind_memory(handle); } + + /* * AGP ttm backend interface. */ -static int drm_agp_needs_cache_adjust_true(drm_ttm_backend_t *backend) { - return TRUE; +static int drm_agp_needs_unbind_cache_adjust(drm_ttm_backend_t *backend) { + return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 1 : 0); } -static int drm_agp_needs_cache_adjust_false(drm_ttm_backend_t *backend) { - return FALSE; -} - -#define AGP_MEM_USER (1 << 16) -#define AGP_MEM_UCACHED (2 << 16) static int drm_agp_populate(drm_ttm_backend_t *backend, unsigned long num_pages, struct page **pages) { @@ -576,9 +572,9 @@ static int drm_agp_populate(drm_ttm_backend_t *backend, unsigned long num_pages, DRM_DEBUG("drm_agp_populate_ttm\n"); #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11) - mem = drm_agp_allocate_memory(num_pages, agp_priv->mem_type); + mem = drm_agp_allocate_memory(num_pages, agp_priv->alloc_type); #else - mem = drm_agp_allocate_memory(agp_priv->bridge, num_pages, agp_priv->mem_type); + mem = drm_agp_allocate_memory(agp_priv->bridge, num_pages, agp_priv->alloc_type); #endif if (!mem) return -1; @@ -592,14 +588,19 @@ static int drm_agp_populate(drm_ttm_backend_t *backend, unsigned long num_pages, return 0; } -static int drm_agp_bind_ttm(drm_ttm_backend_t *backend, unsigned long offset) { - +static int drm_agp_bind_ttm(drm_ttm_backend_t *backend, + unsigned long offset, + int cached) +{ drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private; DRM_AGP_MEM *mem = agp_priv->mem; int ret; DRM_DEBUG("drm_agp_bind_ttm\n"); + DRM_MASK_VAL(backend->flags, DRM_BE_FLAG_BOUND_CACHED, + (cached) ? DRM_BE_FLAG_BOUND_CACHED : 0); mem->is_flushed = FALSE; + mem->type = (cached) ? agp_priv->cached_type : agp_priv->uncached_type; ret = drm_agp_bind_memory(mem, offset); if (ret) { DRM_ERROR("AGP Bind memory failed\n"); @@ -645,56 +646,21 @@ static void drm_agp_destroy_ttm(drm_ttm_backend_t *backend) { } drm_free(agp_priv, sizeof(*agp_priv), DRM_MEM_MAPPINGS); } - if (backend->needs_free) + if (backend->flags & DRM_BE_FLAG_NEEDS_FREE) drm_free(backend, sizeof(*backend), DRM_MEM_MAPPINGS); } } -drm_ttm_backend_t *drm_agp_init_ttm_uncached(struct drm_device *dev, - drm_ttm_backend_t *backend) { - - drm_ttm_backend_t *agp_be; - drm_agp_ttm_priv *agp_priv; - - agp_be = (backend != NULL) ? backend: - drm_calloc(1, sizeof(*agp_be), DRM_MEM_MAPPINGS); - - if (!agp_be) - return NULL; - - agp_priv = drm_calloc(1, sizeof(agp_priv), DRM_MEM_MAPPINGS); - - if (!agp_priv) { - drm_free(agp_be, sizeof(*agp_be), DRM_MEM_MAPPINGS); - return NULL; - } - - agp_priv->mem = NULL; - agp_priv->mem_type = AGP_MEM_USER; - agp_priv->bridge = dev->agp->bridge; - agp_priv->populated = FALSE; - agp_be->aperture_base = dev->agp->agp_info.aper_base; - agp_be->private = (void *) agp_priv; - agp_be->needs_cache_adjust = drm_agp_needs_cache_adjust_true; - agp_be->populate = drm_agp_populate; - agp_be->clear = drm_agp_clear_ttm; - agp_be->bind = drm_agp_bind_ttm; - agp_be->unbind = drm_agp_unbind_ttm; - agp_be->destroy = drm_agp_destroy_ttm; - agp_be->needs_free = (backend == NULL); - agp_be->drm_map_type = _DRM_AGP; - return agp_be; -} -EXPORT_SYMBOL(drm_agp_init_ttm_uncached); - -drm_ttm_backend_t *drm_agp_init_ttm_cached(struct drm_device *dev, - drm_ttm_backend_t *backend) { +drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev, + drm_ttm_backend_t *backend, + unsigned alloc_type, + unsigned cached_type, + unsigned uncached_type) { drm_ttm_backend_t *agp_be; drm_agp_ttm_priv *agp_priv; - agp_be = (backend != NULL) ? backend: drm_calloc(1, sizeof(*agp_be), DRM_MEM_MAPPINGS); @@ -709,21 +675,26 @@ drm_ttm_backend_t *drm_agp_init_ttm_cached(struct drm_device *dev, } agp_priv->mem = NULL; - agp_priv->mem_type = AGP_MEM_UCACHED; + agp_priv->alloc_type = alloc_type; + agp_priv->cached_type = cached_type; + agp_priv->uncached_type = uncached_type; agp_priv->bridge = dev->agp->bridge; agp_priv->populated = FALSE; agp_be->aperture_base = dev->agp->agp_info.aper_base; agp_be->private = (void *) agp_priv; - agp_be->needs_cache_adjust = drm_agp_needs_cache_adjust_false; + agp_be->needs_ub_cache_adjust = drm_agp_needs_unbind_cache_adjust; agp_be->populate = drm_agp_populate; agp_be->clear = drm_agp_clear_ttm; agp_be->bind = drm_agp_bind_ttm; agp_be->unbind = drm_agp_unbind_ttm; agp_be->destroy = drm_agp_destroy_ttm; - agp_be->needs_free = (backend == NULL); + DRM_MASK_VAL(agp_be->flags, DRM_BE_FLAG_NEEDS_FREE, + (backend == NULL) ? DRM_BE_FLAG_NEEDS_FREE : 0); + DRM_MASK_VAL(agp_be->flags, DRM_BE_FLAG_CBA, + (dev->agp->cant_use_aperture) ? DRM_BE_FLAG_CBA : 0); agp_be->drm_map_type = _DRM_AGP; return agp_be; } -EXPORT_SYMBOL(drm_agp_init_ttm_cached); +EXPORT_SYMBOL(drm_agp_init_ttm); #endif /* __OS_HAS_AGP */ diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 0e2b3fa1..a84734ab 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -553,7 +553,8 @@ static int drm_move_local_to_tt(drm_buffer_object_t * bo, int no_wait) DRM_DEBUG("Flipping in to AGP 0x%08lx\n", bo->tt->start); mutex_lock(&dev->struct_mutex); - ret = drm_bind_ttm(bo->ttm, bo->tt->start); + ret = drm_bind_ttm(bo->ttm, bo->flags & DRM_BO_FLAG_BIND_CACHED, + bo->tt->start); if (ret) { drm_mm_put_block(&bm->tt_manager, bo->tt); bo->tt = NULL; @@ -565,7 +566,7 @@ static int drm_move_local_to_tt(drm_buffer_object_t * bo, int no_wait) } be = bo->ttm->be; - if (be->needs_cache_adjust(be)) + if (be->needs_ub_cache_adjust(be)) bo->flags &= ~DRM_BO_FLAG_CACHED; bo->flags &= ~DRM_BO_MASK_MEM; bo->flags |= DRM_BO_FLAG_MEM_TT; @@ -1089,16 +1090,35 @@ static int drm_buffer_object_validate(drm_buffer_object_t * bo, DRM_ERROR("Driver did not support given buffer permissions\n"); return ret; } + + /* + * Move out if we need to change caching policy. + * FIXME: Failing is strictly not needed for NO_MOVE buffers. + * We just have to implement NO_MOVE buffers. + */ + + if ((flag_diff & DRM_BO_FLAG_BIND_CACHED) && + !(bo->flags & DRM_BO_FLAG_MEM_LOCAL)) { + if (bo->flags & (DRM_BO_FLAG_NO_EVICT | DRM_BO_FLAG_NO_MOVE)) { + DRM_ERROR("Cannot change caching policy of " + "pinned buffer.\n"); + return -EINVAL; + } + ret = drm_bo_move_buffer(bo, DRM_BO_FLAG_MEM_LOCAL, no_wait); + if (ret) { + if (ret != -EAGAIN) + DRM_ERROR("Failed moving buffer.\n"); + return ret; + } + } + DRM_MASK_VAL(bo->flags, DRM_BO_FLAG_BIND_CACHED, new_flags); + flag_diff = (new_flags ^ bo->flags); /* * Check whether we need to move buffer. */ if ((bo->type != drm_bo_type_fake) && (flag_diff & DRM_BO_MASK_MEM)) { - if (bo->type == drm_bo_type_user) { - DRM_ERROR("User buffers are not implemented yet.\n"); - return -EINVAL; - } ret = drm_bo_move_buffer(bo, new_flags, no_wait); if (ret) { if (ret != -EAGAIN) @@ -1251,7 +1271,6 @@ static int drm_bo_add_ttm(drm_file_t * priv, drm_buffer_object_t * bo) case drm_bo_type_dc: mutex_lock(&dev->struct_mutex); ret = drm_ttm_object_create(dev, bo->num_pages * PAGE_SIZE, - bo->mask & DRM_BO_FLAG_BIND_CACHED, ttm_flags, &to); mutex_unlock(&dev->struct_mutex); break; @@ -1674,7 +1693,7 @@ int drm_mm_init_ioctl(DRM_IOCTL_ARGS) if (arg.req.tt_p_size) { ret = drm_mm_init(&bm->tt_manager, arg.req.tt_p_offset, - 3000 /* arg.req.tt_p_size */); + arg.req.tt_p_size); bm->has_tt = 1; bm->use_tt = 1; diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c index b56270ea..f1fe1c89 100644 --- a/linux-core/drm_ttm.c +++ b/linux-core/drm_ttm.c @@ -230,8 +230,7 @@ static int drm_ttm_populate(drm_ttm_t *ttm) * Initialize a ttm. */ -static drm_ttm_t *drm_init_ttm(struct drm_device *dev, unsigned long size, - int cached) +static drm_ttm_t *drm_init_ttm(struct drm_device *dev, unsigned long size) { drm_bo_driver_t *bo_driver = dev->driver->bo_driver; drm_ttm_t *ttm; @@ -263,7 +262,7 @@ static drm_ttm_t *drm_init_ttm(struct drm_device *dev, unsigned long size, return NULL; } memset(ttm->pages, 0, ttm->num_pages * sizeof(*ttm->pages)); - ttm->be = bo_driver->create_ttm_backend_entry(dev, cached); + ttm->be = bo_driver->create_ttm_backend_entry(dev); if (!ttm->be) { drm_destroy_ttm(ttm); DRM_ERROR("Failed creating ttm backend entry\n"); @@ -284,7 +283,7 @@ int drm_evict_ttm(drm_ttm_t * ttm) switch (ttm->state) { case ttm_bound: - if (be->needs_cache_adjust(be)) { + if (be->needs_ub_cache_adjust(be)) { ret = unmap_vma_pages(ttm); if (ret) { return ret; @@ -304,7 +303,7 @@ void drm_fixup_ttm_caching(drm_ttm_t * ttm) if (ttm->state == ttm_evicted) { drm_ttm_backend_t *be = ttm->be; - if (be->needs_cache_adjust(be)) { + if (be->needs_ub_cache_adjust(be)) { drm_set_caching(ttm, 0); } ttm->state = ttm_unbound; @@ -326,7 +325,7 @@ int drm_unbind_ttm(drm_ttm_t * ttm) return 0; } -int drm_bind_ttm(drm_ttm_t * ttm, +int drm_bind_ttm(drm_ttm_t * ttm, int cached, unsigned long aper_offset) { @@ -343,7 +342,7 @@ int drm_bind_ttm(drm_ttm_t * ttm, ret = drm_ttm_populate(ttm); if (ret) return ret; - if (ttm->state == ttm_unbound && be->needs_cache_adjust(be)) { + if (ttm->state == ttm_unbound && !cached) { ret = unmap_vma_pages(ttm); if (ret) return ret; @@ -351,16 +350,16 @@ int drm_bind_ttm(drm_ttm_t * ttm, drm_set_caching(ttm, DRM_TTM_PAGE_UNCACHED); } #ifdef DRM_ODD_MM_COMPAT - else if (ttm->state == ttm_evicted && be->needs_cache_adjust(be)) { + else if (ttm->state == ttm_evicted && !cached) { ret = drm_ttm_lock_mm(ttm); if (ret) return ret; } #endif - if ((ret = be->bind(be, aper_offset))) { + if ((ret = be->bind(be, aper_offset, cached))) { ttm->state = ttm_evicted; #ifdef DRM_ODD_MM_COMPAT - if (be->needs_cache_adjust(be)) + if (be->needs_ub_cache_adjust(be)) drm_ttm_unlock_mm(ttm); #endif DRM_ERROR("Couldn't bind backend.\n"); @@ -372,7 +371,7 @@ int drm_bind_ttm(drm_ttm_t * ttm, ttm->state = ttm_bound; #ifdef DRM_ODD_MM_COMPAT - if (be->needs_cache_adjust(be)) { + if (be->needs_ub_cache_adjust(be)) { ret = drm_ttm_remap_bound(ttm); if (ret) return ret; @@ -437,7 +436,7 @@ void drm_ttm_object_deref_unlocked(drm_device_t * dev, drm_ttm_object_t * to) */ int drm_ttm_object_create(drm_device_t * dev, unsigned long size, - uint32_t flags, int cached, + uint32_t flags, drm_ttm_object_t ** ttm_object) { drm_ttm_object_t *object; @@ -458,7 +457,7 @@ int drm_ttm_object_create(drm_device_t * dev, unsigned long size, } map = list->map; - ttm = drm_init_ttm(dev, size, cached); + ttm = drm_init_ttm(dev, size); if (!ttm) { DRM_ERROR("Could not create ttm\n"); drm_ttm_object_remove(dev, object); diff --git a/linux-core/drm_ttm.h b/linux-core/drm_ttm.h index 5421c52a..e5501d9c 100644 --- a/linux-core/drm_ttm.h +++ b/linux-core/drm_ttm.h @@ -44,16 +44,21 @@ * Most device drivers will let this point to the standard AGP implementation. */ +#define DRM_BE_FLAG_NEEDS_FREE 0x00000001 +#define DRM_BE_FLAG_BOUND_CACHED 0x00000002 +#define DRM_BE_FLAG_CBA 0x00000004 + typedef struct drm_ttm_backend { unsigned long aperture_base; void *private; - int needs_free; + uint32_t flags; uint32_t drm_map_type; - int (*needs_cache_adjust) (struct drm_ttm_backend * backend); + int (*needs_ub_cache_adjust) (struct drm_ttm_backend * backend); int (*populate) (struct drm_ttm_backend * backend, unsigned long num_pages, struct page ** pages); void (*clear) (struct drm_ttm_backend * backend); - int (*bind) (struct drm_ttm_backend * backend, unsigned long offset); + int (*bind) (struct drm_ttm_backend * backend, + unsigned long offset, int cached); int (*unbind) (struct drm_ttm_backend * backend); void (*destroy) (struct drm_ttm_backend * backend); } drm_ttm_backend_t; @@ -88,7 +93,7 @@ typedef struct drm_ttm_object { } drm_ttm_object_t; extern int drm_ttm_object_create(struct drm_device *dev, unsigned long size, - uint32_t flags, int cached, + uint32_t flags, drm_ttm_object_t ** ttm_object); extern void drm_ttm_object_deref_locked(struct drm_device *dev, drm_ttm_object_t * to); @@ -97,7 +102,7 @@ extern void drm_ttm_object_deref_unlocked(struct drm_device *dev, extern drm_ttm_object_t *drm_lookup_ttm_object(drm_file_t * priv, uint32_t handle, int check_owner); -extern int drm_bind_ttm(drm_ttm_t * ttm, +extern int drm_bind_ttm(drm_ttm_t * ttm, int cached, unsigned long aper_offset); extern int drm_unbind_ttm(drm_ttm_t * ttm); diff --git a/linux-core/i915_buffer.c b/linux-core/i915_buffer.c index 2d76f075..8016bb1b 100644 --- a/linux-core/i915_buffer.c +++ b/linux-core/i915_buffer.c @@ -33,12 +33,13 @@ #include "i915_drm.h" #include "i915_drv.h" -drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev, int cached) +#define INTEL_AGP_MEM_USER (1 << 16) +#define INTEL_AGP_MEM_UCACHED (2 << 16) + +drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev) { - if (cached) - return drm_agp_init_ttm_cached(dev, NULL); - else - return drm_agp_init_ttm_uncached(dev, NULL); + return drm_agp_init_ttm(dev, NULL, INTEL_AGP_MEM_USER, INTEL_AGP_MEM_UCACHED, + INTEL_AGP_MEM_USER); } int i915_fence_types(uint32_t buffer_flags, uint32_t *class, uint32_t *type) @@ -53,9 +54,9 @@ int i915_fence_types(uint32_t buffer_flags, uint32_t *class, uint32_t *type) int i915_invalidate_caches(drm_device_t *dev, uint32_t flags) { - /* - * FIXME: Only emit once per batchbuffer submission. - */ + /* + * FIXME: Only emit once per batchbuffer submission. + */ uint32_t flush_cmd = MI_NO_WRITE_FLUSH; |