246 lines
7.7 KiB
C
246 lines
7.7 KiB
C
/*
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* Copyright © 2009 Red Hat Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
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* AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*/
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/*
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*/
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#include <assert.h>
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#include <errno.h>
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#include <stdlib.h>
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#include "radeon_cs.h"
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#include "radeon_bo_int.h"
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#include "radeon_cs_int.h"
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struct rad_sizes {
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int32_t op_read;
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int32_t op_gart_write;
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int32_t op_vram_write;
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};
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static inline int radeon_cs_setup_bo(struct radeon_cs_space_check *sc, struct rad_sizes *sizes)
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{
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uint32_t read_domains, write_domain;
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struct radeon_bo_int *bo;
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bo = sc->bo;
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sc->new_accounted = 0;
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read_domains = sc->read_domains;
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write_domain = sc->write_domain;
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/* legacy needs a static check */
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if (radeon_bo_is_static((struct radeon_bo *)sc->bo)) {
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bo->space_accounted = sc->new_accounted = (read_domains << 16) | write_domain;
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return 0;
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}
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/* already accounted this bo */
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if (write_domain && (write_domain == bo->space_accounted)) {
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sc->new_accounted = bo->space_accounted;
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return 0;
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}
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if (read_domains && ((read_domains << 16) == bo->space_accounted)) {
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sc->new_accounted = bo->space_accounted;
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return 0;
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}
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if (bo->space_accounted == 0) {
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if (write_domain) {
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if (write_domain == RADEON_GEM_DOMAIN_VRAM)
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sizes->op_vram_write += bo->size;
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else if (write_domain == RADEON_GEM_DOMAIN_GTT)
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sizes->op_gart_write += bo->size;
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sc->new_accounted = write_domain;
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} else {
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sizes->op_read += bo->size;
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sc->new_accounted = read_domains << 16;
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}
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} else {
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uint16_t old_read, old_write;
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old_read = bo->space_accounted >> 16;
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old_write = bo->space_accounted & 0xffff;
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if (write_domain && (old_read & write_domain)) {
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sc->new_accounted = write_domain;
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/* moving from read to a write domain */
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if (write_domain == RADEON_GEM_DOMAIN_VRAM) {
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sizes->op_read -= bo->size;
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sizes->op_vram_write += bo->size;
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} else if (write_domain == RADEON_GEM_DOMAIN_GTT) {
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sizes->op_read -= bo->size;
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sizes->op_gart_write += bo->size;
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}
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} else if (read_domains & old_write) {
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sc->new_accounted = bo->space_accounted & 0xffff;
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} else {
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/* rewrite the domains */
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if (write_domain != old_write)
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fprintf(stderr,"WRITE DOMAIN RELOC FAILURE 0x%x %d %d\n", bo->handle, write_domain, old_write);
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if (read_domains != old_read)
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fprintf(stderr,"READ DOMAIN RELOC FAILURE 0x%x %d %d\n", bo->handle, read_domains, old_read);
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return RADEON_CS_SPACE_FLUSH;
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}
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}
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return 0;
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}
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static int radeon_cs_do_space_check(struct radeon_cs_int *cs, struct radeon_cs_space_check *new_tmp)
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{
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struct radeon_cs_manager *csm = cs->csm;
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int i;
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struct radeon_bo_int *bo;
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struct rad_sizes sizes;
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int ret;
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/* check the totals for this operation */
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if (cs->bo_count == 0 && !new_tmp)
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return 0;
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memset(&sizes, 0, sizeof(struct rad_sizes));
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/* prepare */
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for (i = 0; i < cs->bo_count; i++) {
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ret = radeon_cs_setup_bo(&cs->bos[i], &sizes);
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if (ret)
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return ret;
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}
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if (new_tmp) {
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ret = radeon_cs_setup_bo(new_tmp, &sizes);
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if (ret)
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return ret;
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}
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if (sizes.op_read < 0)
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sizes.op_read = 0;
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/* check sizes - operation first */
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if ((sizes.op_read + sizes.op_gart_write > csm->gart_limit) ||
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(sizes.op_vram_write > csm->vram_limit)) {
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return RADEON_CS_SPACE_OP_TO_BIG;
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}
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if (((csm->vram_write_used + sizes.op_vram_write) > csm->vram_limit) ||
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((csm->read_used + csm->gart_write_used + sizes.op_gart_write + sizes.op_read) > csm->gart_limit)) {
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return RADEON_CS_SPACE_FLUSH;
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}
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csm->gart_write_used += sizes.op_gart_write;
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csm->vram_write_used += sizes.op_vram_write;
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csm->read_used += sizes.op_read;
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/* commit */
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for (i = 0; i < cs->bo_count; i++) {
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bo = cs->bos[i].bo;
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bo->space_accounted = cs->bos[i].new_accounted;
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}
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if (new_tmp)
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new_tmp->bo->space_accounted = new_tmp->new_accounted;
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return RADEON_CS_SPACE_OK;
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}
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void radeon_cs_space_add_persistent_bo(struct radeon_cs *cs, struct radeon_bo *bo, uint32_t read_domains, uint32_t write_domain)
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{
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struct radeon_cs_int *csi = (struct radeon_cs_int *)cs;
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struct radeon_bo_int *boi = (struct radeon_bo_int *)bo;
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int i;
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for (i = 0; i < csi->bo_count; i++) {
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if (csi->bos[i].bo == boi &&
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csi->bos[i].read_domains == read_domains &&
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csi->bos[i].write_domain == write_domain)
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return;
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}
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radeon_bo_ref(bo);
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i = csi->bo_count;
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csi->bos[i].bo = boi;
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csi->bos[i].read_domains = read_domains;
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csi->bos[i].write_domain = write_domain;
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csi->bos[i].new_accounted = 0;
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csi->bo_count++;
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assert(csi->bo_count < MAX_SPACE_BOS);
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}
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static int radeon_cs_check_space_internal(struct radeon_cs_int *cs,
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struct radeon_cs_space_check *tmp_bo)
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{
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int ret;
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int flushed = 0;
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again:
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ret = radeon_cs_do_space_check(cs, tmp_bo);
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if (ret == RADEON_CS_SPACE_OP_TO_BIG)
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return -1;
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if (ret == RADEON_CS_SPACE_FLUSH) {
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(*cs->space_flush_fn)(cs->space_flush_data);
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if (flushed)
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return -1;
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flushed = 1;
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goto again;
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}
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return 0;
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}
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int radeon_cs_space_check_with_bo(struct radeon_cs *cs,
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struct radeon_bo *bo,
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uint32_t read_domains, uint32_t write_domain)
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{
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struct radeon_cs_int *csi = (struct radeon_cs_int *)cs;
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struct radeon_bo_int *boi = (struct radeon_bo_int *)bo;
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struct radeon_cs_space_check temp_bo;
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int ret = 0;
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if (bo) {
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temp_bo.bo = boi;
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temp_bo.read_domains = read_domains;
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temp_bo.write_domain = write_domain;
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temp_bo.new_accounted = 0;
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}
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ret = radeon_cs_check_space_internal(csi, bo ? &temp_bo : NULL);
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return ret;
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}
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int radeon_cs_space_check(struct radeon_cs *cs)
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{
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struct radeon_cs_int *csi = (struct radeon_cs_int *)cs;
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return radeon_cs_check_space_internal(csi, NULL);
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}
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void radeon_cs_space_reset_bos(struct radeon_cs *cs)
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{
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struct radeon_cs_int *csi = (struct radeon_cs_int *)cs;
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int i;
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for (i = 0; i < csi->bo_count; i++) {
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radeon_bo_unref((struct radeon_bo *)csi->bos[i].bo);
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csi->bos[i].bo = NULL;
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csi->bos[i].read_domains = 0;
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csi->bos[i].write_domain = 0;
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csi->bos[i].new_accounted = 0;
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}
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csi->bo_count = 0;
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}
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