2015-08-21 17:55:36 -06:00
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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
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/*
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* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Rob Clark <robclark@freedesktop.org>
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <assert.h>
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#include <inttypes.h>
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#include "freedreno_ringbuffer.h"
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#include "msm_priv.h"
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2016-10-16 00:01:17 -06:00
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/* represents a single cmd buffer in the submit ioctl. Each cmd buffer has
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* a backing bo, and a reloc table.
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*/
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struct msm_cmd {
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struct list_head list;
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struct fd_ringbuffer *ring;
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struct fd_bo *ring_bo;
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/* reloc's table: */
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struct drm_msm_gem_submit_reloc *relocs;
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uint32_t nr_relocs, max_relocs;
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uint32_t size;
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};
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2015-08-21 17:55:36 -06:00
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struct msm_ringbuffer {
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struct fd_ringbuffer base;
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2016-10-16 00:01:17 -06:00
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/* submit ioctl related tables:
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* Note that bos and cmds are tracked by the parent ringbuffer, since
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* that is global to the submit ioctl call. The reloc's table is tracked
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* per cmd-buffer.
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*/
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2015-08-21 17:55:36 -06:00
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struct {
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/* bo's table: */
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struct drm_msm_gem_submit_bo *bos;
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uint32_t nr_bos, max_bos;
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/* cmd's table: */
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struct drm_msm_gem_submit_cmd *cmds;
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uint32_t nr_cmds, max_cmds;
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} submit;
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/* should have matching entries in submit.bos: */
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2016-10-16 00:01:17 -06:00
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/* Note, only in parent ringbuffer */
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2015-08-21 17:55:36 -06:00
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struct fd_bo **bos;
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uint32_t nr_bos, max_bos;
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/* should have matching entries in submit.cmds: */
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2016-10-16 00:01:17 -06:00
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struct msm_cmd **cmds;
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uint32_t nr_cmds, max_cmds;
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/* List of physical cmdstream buffers (msm_cmd) assocated with this
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* logical fd_ringbuffer.
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*
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* Note that this is different from msm_ringbuffer::cmds (which
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* shadows msm_ringbuffer::submit::cmds for tracking submit ioctl
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* related stuff, and *only* is tracked in the parent ringbuffer.
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* And only has "completed" cmd buffers (ie. we already know the
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* size) added via get_cmd().
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*/
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struct list_head cmd_list;
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int is_growable;
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unsigned cmd_count;
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unsigned seqno;
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/* maps fd_bo to idx: */
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void *bo_table;
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2015-08-21 17:55:36 -06:00
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};
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2016-10-16 00:01:17 -06:00
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static inline struct msm_ringbuffer * to_msm_ringbuffer(struct fd_ringbuffer *x)
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{
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return (struct msm_ringbuffer *)x;
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}
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#define INIT_SIZE 0x1000
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2015-08-21 17:55:36 -06:00
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static pthread_mutex_t idx_lock = PTHREAD_MUTEX_INITIALIZER;
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2016-10-16 00:01:17 -06:00
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drm_private extern pthread_mutex_t table_lock;
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static void ring_bo_del(struct fd_device *dev, struct fd_bo *bo)
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{
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int ret;
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pthread_mutex_lock(&table_lock);
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ret = fd_bo_cache_free(&to_msm_device(dev)->ring_cache, bo);
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pthread_mutex_unlock(&table_lock);
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if (ret == 0)
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return;
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fd_bo_del(bo);
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}
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static struct fd_bo * ring_bo_new(struct fd_device *dev, uint32_t size)
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{
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struct fd_bo *bo;
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bo = fd_bo_cache_alloc(&to_msm_device(dev)->ring_cache, &size, 0);
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if (bo)
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return bo;
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bo = fd_bo_new(dev, size, 0);
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if (!bo)
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return NULL;
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/* keep ringbuffer bo's out of the normal bo cache: */
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bo->bo_reuse = FALSE;
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return bo;
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}
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static void ring_cmd_del(struct msm_cmd *cmd)
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{
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if (cmd->ring_bo)
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ring_bo_del(cmd->ring->pipe->dev, cmd->ring_bo);
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list_del(&cmd->list);
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to_msm_ringbuffer(cmd->ring)->cmd_count--;
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free(cmd->relocs);
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free(cmd);
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}
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static struct msm_cmd * ring_cmd_new(struct fd_ringbuffer *ring, uint32_t size)
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{
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struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
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struct msm_cmd *cmd = calloc(1, sizeof(*cmd));
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if (!cmd)
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return NULL;
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cmd->ring = ring;
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cmd->ring_bo = ring_bo_new(ring->pipe->dev, size);
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if (!cmd->ring_bo)
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goto fail;
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list_addtail(&cmd->list, &msm_ring->cmd_list);
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msm_ring->cmd_count++;
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return cmd;
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fail:
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ring_cmd_del(cmd);
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return NULL;
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}
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2015-08-21 17:55:36 -06:00
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static void *grow(void *ptr, uint32_t nr, uint32_t *max, uint32_t sz)
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{
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if ((nr + 1) > *max) {
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if ((*max * 2) < (nr + 1))
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*max = nr + 5;
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else
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*max = *max * 2;
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ptr = realloc(ptr, *max * sz);
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}
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return ptr;
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}
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#define APPEND(x, name) ({ \
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(x)->name = grow((x)->name, (x)->nr_ ## name, &(x)->max_ ## name, sizeof((x)->name[0])); \
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(x)->nr_ ## name ++; \
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})
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2016-10-16 00:01:17 -06:00
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static struct msm_cmd *current_cmd(struct fd_ringbuffer *ring)
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2015-08-21 17:55:36 -06:00
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{
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2016-10-16 00:01:17 -06:00
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struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
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assert(!LIST_IS_EMPTY(&msm_ring->cmd_list));
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return LIST_LAST_ENTRY(&msm_ring->cmd_list, struct msm_cmd, list);
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2015-08-21 17:55:36 -06:00
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}
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static uint32_t append_bo(struct fd_ringbuffer *ring, struct fd_bo *bo)
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{
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struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
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uint32_t idx;
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idx = APPEND(&msm_ring->submit, bos);
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idx = APPEND(msm_ring, bos);
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msm_ring->submit.bos[idx].flags = 0;
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msm_ring->submit.bos[idx].handle = bo->handle;
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msm_ring->submit.bos[idx].presumed = to_msm_bo(bo)->presumed;
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msm_ring->bos[idx] = fd_bo_ref(bo);
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return idx;
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}
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/* add (if needed) bo, return idx: */
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static uint32_t bo2idx(struct fd_ringbuffer *ring, struct fd_bo *bo, uint32_t flags)
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{
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struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
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struct msm_bo *msm_bo = to_msm_bo(bo);
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uint32_t idx;
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pthread_mutex_lock(&idx_lock);
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2016-10-16 00:01:17 -06:00
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if (msm_bo->current_ring_seqno == msm_ring->seqno) {
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2015-08-21 17:55:36 -06:00
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idx = msm_bo->idx;
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} else {
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2016-10-16 00:01:17 -06:00
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void *val;
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if (!msm_ring->bo_table)
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msm_ring->bo_table = drmHashCreate();
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if (!drmHashLookup(msm_ring->bo_table, bo->handle, &val)) {
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/* found */
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idx = (uint32_t)(uintptr_t)val;
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} else {
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2015-08-21 17:55:36 -06:00
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idx = append_bo(ring, bo);
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2016-10-16 00:01:17 -06:00
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val = (void *)(uintptr_t)idx;
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drmHashInsert(msm_ring->bo_table, bo->handle, val);
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2015-08-21 17:55:36 -06:00
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}
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2016-10-16 00:01:17 -06:00
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msm_bo->current_ring_seqno = msm_ring->seqno;
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msm_bo->idx = idx;
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2015-08-21 17:55:36 -06:00
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}
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pthread_mutex_unlock(&idx_lock);
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if (flags & FD_RELOC_READ)
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msm_ring->submit.bos[idx].flags |= MSM_SUBMIT_BO_READ;
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if (flags & FD_RELOC_WRITE)
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msm_ring->submit.bos[idx].flags |= MSM_SUBMIT_BO_WRITE;
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return idx;
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}
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static int check_cmd_bo(struct fd_ringbuffer *ring,
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struct drm_msm_gem_submit_cmd *cmd, struct fd_bo *bo)
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{
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struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
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return msm_ring->submit.bos[cmd->submit_idx].handle == bo->handle;
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}
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2016-10-16 00:01:17 -06:00
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/* Ensure that submit has corresponding entry in cmds table for the
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* target cmdstream buffer:
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*/
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static void get_cmd(struct fd_ringbuffer *ring, struct msm_cmd *target_cmd,
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2015-08-21 17:55:36 -06:00
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uint32_t submit_offset, uint32_t size, uint32_t type)
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{
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struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
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2016-10-16 00:01:17 -06:00
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struct drm_msm_gem_submit_cmd *cmd;
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2015-08-21 17:55:36 -06:00
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uint32_t i;
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/* figure out if we already have a cmd buf: */
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for (i = 0; i < msm_ring->submit.nr_cmds; i++) {
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cmd = &msm_ring->submit.cmds[i];
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if ((cmd->submit_offset == submit_offset) &&
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(cmd->size == size) &&
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(cmd->type == type) &&
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2016-10-16 00:01:17 -06:00
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check_cmd_bo(ring, cmd, target_cmd->ring_bo))
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return;
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2015-08-21 17:55:36 -06:00
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}
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/* create cmd buf if not: */
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2016-10-16 00:01:17 -06:00
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i = APPEND(&msm_ring->submit, cmds);
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APPEND(msm_ring, cmds);
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msm_ring->cmds[i] = target_cmd;
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cmd = &msm_ring->submit.cmds[i];
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cmd->type = type;
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cmd->submit_idx = bo2idx(ring, target_cmd->ring_bo, FD_RELOC_READ);
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cmd->submit_offset = submit_offset;
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cmd->size = size;
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cmd->pad = 0;
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target_cmd->size = size;
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2015-08-21 17:55:36 -06:00
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}
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static void * msm_ringbuffer_hostptr(struct fd_ringbuffer *ring)
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{
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2016-10-16 00:01:17 -06:00
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return fd_bo_map(current_cmd(ring)->ring_bo);
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2015-08-21 17:55:36 -06:00
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}
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2016-10-16 00:01:17 -06:00
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static uint32_t find_next_reloc_idx(struct msm_cmd *msm_cmd,
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2015-08-21 17:55:36 -06:00
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uint32_t start, uint32_t offset)
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{
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uint32_t i;
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/* a binary search would be more clever.. */
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2016-10-16 00:01:17 -06:00
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for (i = start; i < msm_cmd->nr_relocs; i++) {
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struct drm_msm_gem_submit_reloc *reloc = &msm_cmd->relocs[i];
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2015-08-21 17:55:36 -06:00
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if (reloc->submit_offset >= offset)
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return i;
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}
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return i;
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}
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2016-10-16 00:01:17 -06:00
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static void delete_cmds(struct msm_ringbuffer *msm_ring)
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{
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struct msm_cmd *cmd, *tmp;
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LIST_FOR_EACH_ENTRY_SAFE(cmd, tmp, &msm_ring->cmd_list, list) {
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ring_cmd_del(cmd);
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}
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}
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2015-08-21 17:55:36 -06:00
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static void flush_reset(struct fd_ringbuffer *ring)
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{
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struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
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unsigned i;
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2016-10-16 00:01:17 -06:00
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for (i = 0; i < msm_ring->nr_bos; i++) {
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struct msm_bo *msm_bo = to_msm_bo(msm_ring->bos[i]);
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msm_bo->current_ring_seqno = 0;
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fd_bo_del(&msm_bo->base);
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}
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2015-08-21 17:55:36 -06:00
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/* for each of the cmd buffers, clear their reloc's: */
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for (i = 0; i < msm_ring->submit.nr_cmds; i++) {
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2016-10-16 00:01:17 -06:00
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struct msm_cmd *target_cmd = msm_ring->cmds[i];
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|
|
target_cmd->nr_relocs = 0;
|
2015-08-21 17:55:36 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
msm_ring->submit.nr_cmds = 0;
|
|
|
|
msm_ring->submit.nr_bos = 0;
|
2016-10-16 00:01:17 -06:00
|
|
|
msm_ring->nr_cmds = 0;
|
2015-08-21 17:55:36 -06:00
|
|
|
msm_ring->nr_bos = 0;
|
2016-10-16 00:01:17 -06:00
|
|
|
|
|
|
|
if (msm_ring->bo_table) {
|
|
|
|
drmHashDestroy(msm_ring->bo_table);
|
|
|
|
msm_ring->bo_table = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (msm_ring->is_growable) {
|
|
|
|
delete_cmds(msm_ring);
|
|
|
|
} else {
|
|
|
|
/* in old mode, just reset the # of relocs: */
|
|
|
|
current_cmd(ring)->nr_relocs = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void finalize_current_cmd(struct fd_ringbuffer *ring, uint32_t *last_start)
|
|
|
|
{
|
|
|
|
uint32_t submit_offset, size, type;
|
|
|
|
struct fd_ringbuffer *parent;
|
|
|
|
|
|
|
|
if (ring->parent) {
|
|
|
|
parent = ring->parent;
|
|
|
|
type = MSM_SUBMIT_CMD_IB_TARGET_BUF;
|
|
|
|
} else {
|
|
|
|
parent = ring;
|
|
|
|
type = MSM_SUBMIT_CMD_BUF;
|
|
|
|
}
|
|
|
|
|
|
|
|
submit_offset = offset_bytes(last_start, ring->start);
|
|
|
|
size = offset_bytes(ring->cur, last_start);
|
|
|
|
|
|
|
|
get_cmd(parent, current_cmd(ring), submit_offset, size, type);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void dump_submit(struct msm_ringbuffer *msm_ring)
|
|
|
|
{
|
|
|
|
uint32_t i, j;
|
|
|
|
|
|
|
|
for (i = 0; i < msm_ring->submit.nr_bos; i++) {
|
|
|
|
struct drm_msm_gem_submit_bo *bo = &msm_ring->submit.bos[i];
|
|
|
|
ERROR_MSG(" bos[%d]: handle=%u, flags=%x", i, bo->handle, bo->flags);
|
|
|
|
}
|
|
|
|
for (i = 0; i < msm_ring->submit.nr_cmds; i++) {
|
|
|
|
struct drm_msm_gem_submit_cmd *cmd = &msm_ring->submit.cmds[i];
|
|
|
|
struct drm_msm_gem_submit_reloc *relocs = U642VOID(cmd->relocs);
|
|
|
|
ERROR_MSG(" cmd[%d]: type=%u, submit_idx=%u, submit_offset=%u, size=%u",
|
|
|
|
i, cmd->type, cmd->submit_idx, cmd->submit_offset, cmd->size);
|
|
|
|
for (j = 0; j < cmd->nr_relocs; j++) {
|
|
|
|
struct drm_msm_gem_submit_reloc *r = &relocs[j];
|
|
|
|
ERROR_MSG(" reloc[%d]: submit_offset=%u, or=%08x, shift=%d, reloc_idx=%u"
|
|
|
|
", reloc_offset=%"PRIu64, j, r->submit_offset, r->or, r->shift,
|
|
|
|
r->reloc_idx, r->reloc_offset);
|
|
|
|
}
|
|
|
|
}
|
2015-08-21 17:55:36 -06:00
|
|
|
}
|
|
|
|
|
2016-11-18 22:36:14 -07:00
|
|
|
static int msm_ringbuffer_flush(struct fd_ringbuffer *ring, uint32_t *last_start,
|
|
|
|
int in_fence_fd, int *out_fence_fd)
|
2015-08-21 17:55:36 -06:00
|
|
|
{
|
|
|
|
struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
|
|
|
|
struct drm_msm_gem_submit req = {
|
2016-11-18 22:36:14 -07:00
|
|
|
.flags = to_msm_pipe(ring->pipe)->pipe,
|
2015-08-21 17:55:36 -06:00
|
|
|
};
|
2016-10-16 00:01:17 -06:00
|
|
|
uint32_t i;
|
2015-08-21 17:55:36 -06:00
|
|
|
int ret;
|
|
|
|
|
2016-11-18 22:36:14 -07:00
|
|
|
if (in_fence_fd != -1) {
|
|
|
|
req.flags |= MSM_SUBMIT_FENCE_FD_IN | MSM_SUBMIT_NO_IMPLICIT;
|
|
|
|
req.fence_fd = in_fence_fd;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (out_fence_fd) {
|
|
|
|
req.flags |= MSM_SUBMIT_FENCE_FD_OUT;
|
|
|
|
}
|
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
finalize_current_cmd(ring, last_start);
|
2015-08-21 17:55:36 -06:00
|
|
|
|
|
|
|
/* needs to be after get_cmd() as that could create bos/cmds table: */
|
|
|
|
req.bos = VOID2U64(msm_ring->submit.bos),
|
|
|
|
req.nr_bos = msm_ring->submit.nr_bos;
|
|
|
|
req.cmds = VOID2U64(msm_ring->submit.cmds),
|
|
|
|
req.nr_cmds = msm_ring->submit.nr_cmds;
|
|
|
|
|
|
|
|
/* for each of the cmd's fix up their reloc's: */
|
|
|
|
for (i = 0; i < msm_ring->submit.nr_cmds; i++) {
|
|
|
|
struct drm_msm_gem_submit_cmd *cmd = &msm_ring->submit.cmds[i];
|
2016-10-16 00:01:17 -06:00
|
|
|
struct msm_cmd *msm_cmd = msm_ring->cmds[i];
|
|
|
|
uint32_t a = find_next_reloc_idx(msm_cmd, 0, cmd->submit_offset);
|
|
|
|
uint32_t b = find_next_reloc_idx(msm_cmd, a, cmd->submit_offset + cmd->size);
|
|
|
|
cmd->relocs = VOID2U64(&msm_cmd->relocs[a]);
|
2015-08-21 17:55:36 -06:00
|
|
|
cmd->nr_relocs = (b > a) ? b - a : 0;
|
|
|
|
}
|
|
|
|
|
2016-03-20 04:19:44 -06:00
|
|
|
DEBUG_MSG("nr_cmds=%u, nr_bos=%u", req.nr_cmds, req.nr_bos);
|
2015-08-21 17:55:36 -06:00
|
|
|
|
|
|
|
ret = drmCommandWriteRead(ring->pipe->dev->fd, DRM_MSM_GEM_SUBMIT,
|
|
|
|
&req, sizeof(req));
|
|
|
|
if (ret) {
|
|
|
|
ERROR_MSG("submit failed: %d (%s)", ret, strerror(errno));
|
2016-10-16 00:01:17 -06:00
|
|
|
dump_submit(msm_ring);
|
|
|
|
} else if (!ret) {
|
2015-08-21 17:55:36 -06:00
|
|
|
/* update timestamp on all rings associated with submit: */
|
|
|
|
for (i = 0; i < msm_ring->submit.nr_cmds; i++) {
|
2016-10-16 00:01:17 -06:00
|
|
|
struct msm_cmd *msm_cmd = msm_ring->cmds[i];
|
|
|
|
msm_cmd->ring->last_timestamp = req.fence;
|
2015-08-21 17:55:36 -06:00
|
|
|
}
|
2016-11-18 22:36:14 -07:00
|
|
|
|
|
|
|
if (out_fence_fd) {
|
|
|
|
*out_fence_fd = req.fence_fd;
|
|
|
|
}
|
2015-08-21 17:55:36 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
flush_reset(ring);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
static void msm_ringbuffer_grow(struct fd_ringbuffer *ring, uint32_t size)
|
|
|
|
{
|
|
|
|
assert(to_msm_ringbuffer(ring)->is_growable);
|
|
|
|
finalize_current_cmd(ring, ring->last_start);
|
|
|
|
ring_cmd_new(ring, size);
|
|
|
|
}
|
|
|
|
|
2015-08-21 17:55:36 -06:00
|
|
|
static void msm_ringbuffer_reset(struct fd_ringbuffer *ring)
|
|
|
|
{
|
|
|
|
flush_reset(ring);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void msm_ringbuffer_emit_reloc(struct fd_ringbuffer *ring,
|
|
|
|
const struct fd_reloc *r)
|
|
|
|
{
|
|
|
|
struct fd_ringbuffer *parent = ring->parent ? ring->parent : ring;
|
|
|
|
struct msm_bo *msm_bo = to_msm_bo(r->bo);
|
|
|
|
struct drm_msm_gem_submit_reloc *reloc;
|
2016-10-16 00:01:17 -06:00
|
|
|
struct msm_cmd *cmd = current_cmd(ring);
|
|
|
|
uint32_t idx = APPEND(cmd, relocs);
|
2015-08-21 17:55:36 -06:00
|
|
|
uint32_t addr;
|
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
reloc = &cmd->relocs[idx];
|
2015-08-21 17:55:36 -06:00
|
|
|
|
|
|
|
reloc->reloc_idx = bo2idx(parent, r->bo, r->flags);
|
|
|
|
reloc->reloc_offset = r->offset;
|
|
|
|
reloc->or = r->or;
|
|
|
|
reloc->shift = r->shift;
|
|
|
|
reloc->submit_offset = offset_bytes(ring->cur, ring->start);
|
|
|
|
|
|
|
|
addr = msm_bo->presumed;
|
|
|
|
if (r->shift < 0)
|
|
|
|
addr >>= -r->shift;
|
|
|
|
else
|
|
|
|
addr <<= r->shift;
|
|
|
|
(*ring->cur++) = addr | r->or;
|
|
|
|
}
|
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
static uint32_t msm_ringbuffer_emit_reloc_ring(struct fd_ringbuffer *ring,
|
|
|
|
struct fd_ringbuffer *target, uint32_t cmd_idx,
|
|
|
|
uint32_t submit_offset, uint32_t size)
|
2015-08-21 17:55:36 -06:00
|
|
|
{
|
2016-10-16 00:01:17 -06:00
|
|
|
struct msm_cmd *cmd = NULL;
|
|
|
|
uint32_t idx = 0;
|
|
|
|
|
|
|
|
LIST_FOR_EACH_ENTRY(cmd, &to_msm_ringbuffer(target)->cmd_list, list) {
|
|
|
|
if (idx == cmd_idx)
|
|
|
|
break;
|
|
|
|
idx++;
|
|
|
|
}
|
2015-08-21 17:55:36 -06:00
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
assert(cmd && (idx == cmd_idx));
|
2015-08-21 17:55:36 -06:00
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
if (idx < (to_msm_ringbuffer(target)->cmd_count - 1)) {
|
|
|
|
/* All but the last cmd buffer is fully "baked" (ie. already has
|
|
|
|
* done get_cmd() to add it to the cmds table). But in this case,
|
|
|
|
* the size we get is invalid (since it is calculated from the
|
|
|
|
* last cmd buffer):
|
|
|
|
*/
|
|
|
|
size = cmd->size;
|
|
|
|
} else {
|
|
|
|
get_cmd(ring, cmd, submit_offset, size, MSM_SUBMIT_CMD_IB_TARGET_BUF);
|
|
|
|
}
|
2015-08-21 17:55:36 -06:00
|
|
|
|
|
|
|
msm_ringbuffer_emit_reloc(ring, &(struct fd_reloc){
|
2016-10-16 00:01:17 -06:00
|
|
|
.bo = cmd->ring_bo,
|
2015-08-21 17:55:36 -06:00
|
|
|
.flags = FD_RELOC_READ,
|
|
|
|
.offset = submit_offset,
|
|
|
|
});
|
2016-10-16 00:01:17 -06:00
|
|
|
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint32_t msm_ringbuffer_cmd_count(struct fd_ringbuffer *ring)
|
|
|
|
{
|
|
|
|
return to_msm_ringbuffer(ring)->cmd_count;
|
2015-08-21 17:55:36 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static void msm_ringbuffer_destroy(struct fd_ringbuffer *ring)
|
|
|
|
{
|
|
|
|
struct msm_ringbuffer *msm_ring = to_msm_ringbuffer(ring);
|
2016-10-16 00:01:17 -06:00
|
|
|
|
|
|
|
flush_reset(ring);
|
|
|
|
delete_cmds(msm_ring);
|
|
|
|
|
|
|
|
free(msm_ring->submit.cmds);
|
|
|
|
free(msm_ring->submit.bos);
|
|
|
|
free(msm_ring->bos);
|
|
|
|
free(msm_ring->cmds);
|
2015-08-21 17:55:36 -06:00
|
|
|
free(msm_ring);
|
|
|
|
}
|
|
|
|
|
2015-12-27 01:58:00 -07:00
|
|
|
static const struct fd_ringbuffer_funcs funcs = {
|
2015-08-21 17:55:36 -06:00
|
|
|
.hostptr = msm_ringbuffer_hostptr,
|
|
|
|
.flush = msm_ringbuffer_flush,
|
2016-10-16 00:01:17 -06:00
|
|
|
.grow = msm_ringbuffer_grow,
|
2015-08-21 17:55:36 -06:00
|
|
|
.reset = msm_ringbuffer_reset,
|
|
|
|
.emit_reloc = msm_ringbuffer_emit_reloc,
|
|
|
|
.emit_reloc_ring = msm_ringbuffer_emit_reloc_ring,
|
2016-10-16 00:01:17 -06:00
|
|
|
.cmd_count = msm_ringbuffer_cmd_count,
|
2015-08-21 17:55:36 -06:00
|
|
|
.destroy = msm_ringbuffer_destroy,
|
|
|
|
};
|
|
|
|
|
|
|
|
drm_private struct fd_ringbuffer * msm_ringbuffer_new(struct fd_pipe *pipe,
|
|
|
|
uint32_t size)
|
|
|
|
{
|
|
|
|
struct msm_ringbuffer *msm_ring;
|
|
|
|
struct fd_ringbuffer *ring = NULL;
|
|
|
|
|
|
|
|
msm_ring = calloc(1, sizeof(*msm_ring));
|
|
|
|
if (!msm_ring) {
|
|
|
|
ERROR_MSG("allocation failed");
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
if (size == 0) {
|
|
|
|
assert(pipe->dev->version >= FD_VERSION_UNLIMITED_CMDS);
|
|
|
|
size = INIT_SIZE;
|
|
|
|
msm_ring->is_growable = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
list_inithead(&msm_ring->cmd_list);
|
|
|
|
msm_ring->seqno = ++to_msm_device(pipe->dev)->ring_cnt;
|
|
|
|
|
2015-08-21 17:55:36 -06:00
|
|
|
ring = &msm_ring->base;
|
|
|
|
ring->funcs = &funcs;
|
2016-10-16 00:01:17 -06:00
|
|
|
ring->size = size;
|
|
|
|
ring->pipe = pipe; /* needed in ring_cmd_new() */
|
2015-08-21 17:55:36 -06:00
|
|
|
|
2016-10-16 00:01:17 -06:00
|
|
|
ring_cmd_new(ring, size);
|
2015-08-21 17:55:36 -06:00
|
|
|
|
|
|
|
return ring;
|
|
|
|
fail:
|
|
|
|
if (ring)
|
|
|
|
fd_ringbuffer_del(ring);
|
|
|
|
return NULL;
|
|
|
|
}
|