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251 lines
7.8 KiB
251 lines
7.8 KiB
/* |
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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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#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 <errno.h> |
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#include <stdlib.h> |
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#include "libdrm_macros.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 |
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radeon_cs_space_add_persistent_bo(struct radeon_cs *cs, 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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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 |
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radeon_cs_space_check_with_bo(struct radeon_cs *cs, 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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