+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2018-2019 Alyssa Rosenzweig
- * Copyright 2018-2019 Collabora, Ltd.
- * Copyright © 2015 Intel Corporation
- * 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 above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * 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 VMWARE 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.
- *
- **************************************************************************/
-
-#ifndef PAN_DEVICE_H
-#define PAN_DEVICE_H
-
-#include <xf86drm.h>
-#include "renderonly/renderonly.h"
-#include "util/u_dynarray.h"
-#include "util/bitset.h"
-#include "util/list.h"
-#include "util/sparse_array.h"
-
-#include <panfrost-job.h>
-
-/* Driver limits */
-#define PAN_MAX_CONST_BUFFERS 16
-
-/* Transient slab size. This is a balance between fragmentation against cache
- * locality and ease of bookkeeping */
-
-#define TRANSIENT_SLAB_PAGES (32) /* 128kb */
-#define TRANSIENT_SLAB_SIZE (4096 * TRANSIENT_SLAB_PAGES)
-
-/* Maximum number of transient slabs so we don't need dynamic arrays. Most
- * interesting Mali boards are 4GB RAM max, so if the entire RAM was filled
- * with transient slabs, you could never exceed (4GB / TRANSIENT_SLAB_SIZE)
- * allocations anyway. By capping, we can use a fixed-size bitset for tracking
- * free slabs, eliminating quite a bit of complexity. We can pack the free
- * state of 8 slabs into a single byte, so for 128kb transient slabs the bitset
- * occupies a cheap 4kb of memory */
-
-#define MAX_TRANSIENT_SLABS (1024*1024 / TRANSIENT_SLAB_PAGES)
-
-/* How many power-of-two levels in the BO cache do we want? 2^12
- * minimum chosen as it is the page size that all allocations are
- * rounded to */
-
-#define MIN_BO_CACHE_BUCKET (12) /* 2^12 = 4KB */
-#define MAX_BO_CACHE_BUCKET (22) /* 2^22 = 4MB */
-
-/* Fencepost problem, hence the off-by-one */
-#define NR_BO_CACHE_BUCKETS (MAX_BO_CACHE_BUCKET - MIN_BO_CACHE_BUCKET + 1)
-
-/* Cache for blit shaders. Defined here so they can be cached with the device */
-
-enum pan_blit_type {
- PAN_BLIT_FLOAT = 0,
- PAN_BLIT_UINT,
- PAN_BLIT_INT,
- PAN_BLIT_NUM_TYPES,
-};
-
-#define PAN_BLIT_NUM_TARGETS (12)
-
-struct pan_blit_shaders {
- struct panfrost_bo *bo;
- mali_ptr loads[PAN_BLIT_NUM_TARGETS][PAN_BLIT_NUM_TYPES][2];
-};
-
-struct panfrost_device {
- /* For ralloc */
- void *memctx;
-
- int fd;
-
- /* Properties of the GPU in use */
- unsigned gpu_id;
- unsigned core_count;
- unsigned thread_tls_alloc;
- unsigned quirks;
-
- /* Bitmask of supported compressed texture formats */
- uint32_t compressed_formats;
-
- /* debug flags, see pan_util.h how to interpret */
- unsigned debug;
-
- drmVersionPtr kernel_version;
-
- struct renderonly *ro;
-
- pthread_mutex_t bo_map_lock;
- struct util_sparse_array bo_map;
-
- struct {
- pthread_mutex_t lock;
-
- /* List containing all cached BOs sorted in LRU (Least
- * Recently Used) order. This allows us to quickly evict BOs
- * that are more than 1 second old.
- */
- struct list_head lru;
-
- /* The BO cache is a set of buckets with power-of-two sizes
- * ranging from 2^12 (4096, the page size) to
- * 2^(12 + MAX_BO_CACHE_BUCKETS).
- * Each bucket is a linked list of free panfrost_bo objects. */
-
- struct list_head buckets[NR_BO_CACHE_BUCKETS];
- } bo_cache;
-
- struct pan_blit_shaders blit_shaders;
-};
-
-void
-panfrost_open_device(void *memctx, int fd, struct panfrost_device *dev);
-
-void
-panfrost_close_device(struct panfrost_device *dev);
-
-bool
-panfrost_supports_compressed_format(struct panfrost_device *dev, unsigned fmt);
-
-static inline struct panfrost_bo *
-pan_lookup_bo(struct panfrost_device *dev, uint32_t gem_handle)
-{
- return util_sparse_array_get(&dev->bo_map, gem_handle);
-}
-
-#endif
projects / mesa.git / blobdiff