2 * Copyright © 2009 Red Hat Inc.
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31 #include "radeon_cs.h"
35 int32_t op_gart_write;
36 int32_t op_vram_write;
39 static inline int radeon_cs_setup_bo(struct radeon_cs_space_check *sc, struct rad_sizes *sizes)
41 uint32_t read_domains, write_domain;
45 sc->new_accounted = 0;
46 read_domains = sc->read_domains;
47 write_domain = sc->write_domain;
49 /* legacy needs a static check */
50 if (radeon_bo_is_static(bo)) {
51 bo->space_accounted = sc->new_accounted = (read_domains << 16) | write_domain;
55 /* already accounted this bo */
56 if (write_domain && (write_domain == bo->space_accounted)) {
57 sc->new_accounted = bo->space_accounted;
60 if (read_domains && ((read_domains << 16) == bo->space_accounted)) {
61 sc->new_accounted = bo->space_accounted;
65 if (bo->space_accounted == 0) {
66 if (write_domain == RADEON_GEM_DOMAIN_VRAM)
67 sizes->op_vram_write += bo->size;
68 else if (write_domain == RADEON_GEM_DOMAIN_GTT)
69 sizes->op_gart_write += bo->size;
71 sizes->op_read += bo->size;
72 sc->new_accounted = (read_domains << 16) | write_domain;
74 uint16_t old_read, old_write;
76 old_read = bo->space_accounted >> 16;
77 old_write = bo->space_accounted & 0xffff;
79 if (write_domain && (old_read & write_domain)) {
80 sc->new_accounted = write_domain;
81 /* moving from read to a write domain */
82 if (write_domain == RADEON_GEM_DOMAIN_VRAM) {
83 sizes->op_read -= bo->size;
84 sizes->op_vram_write += bo->size;
85 } else if (write_domain == RADEON_GEM_DOMAIN_GTT) {
86 sizes->op_read -= bo->size;
87 sizes->op_gart_write += bo->size;
89 } else if (read_domains & old_write) {
90 sc->new_accounted = bo->space_accounted & 0xffff;
92 /* rewrite the domains */
93 if (write_domain != old_write)
94 fprintf(stderr,"WRITE DOMAIN RELOC FAILURE 0x%x %d %d\n", bo->handle, write_domain, old_write);
95 if (read_domains != old_read)
96 fprintf(stderr,"READ DOMAIN RELOC FAILURE 0x%x %d %d\n", bo->handle, read_domains, old_read);
97 return RADEON_CS_SPACE_FLUSH;
103 static int radeon_cs_do_space_check(struct radeon_cs *cs, struct radeon_cs_space_check *new_tmp)
105 struct radeon_cs_manager *csm = cs->csm;
107 struct radeon_bo *bo;
108 struct rad_sizes sizes;
111 /* check the totals for this operation */
113 if (cs->bo_count == 0 && !new_tmp)
116 memset(&sizes, 0, sizeof(struct rad_sizes));
119 for (i = 0; i < cs->bo_count; i++) {
120 ret = radeon_cs_setup_bo(&cs->bos[i], &sizes);
126 ret = radeon_cs_setup_bo(new_tmp, &sizes);
131 if (sizes.op_read < 0)
134 /* check sizes - operation first */
135 if ((sizes.op_read + sizes.op_gart_write > csm->gart_limit) ||
136 (sizes.op_vram_write > csm->vram_limit)) {
137 return RADEON_CS_SPACE_OP_TO_BIG;
140 if (((csm->vram_write_used + sizes.op_vram_write) > csm->vram_limit) ||
141 ((csm->read_used + csm->gart_write_used + sizes.op_gart_write + sizes.op_read) > csm->gart_limit)) {
142 return RADEON_CS_SPACE_FLUSH;
145 csm->gart_write_used += sizes.op_gart_write;
146 csm->vram_write_used += sizes.op_vram_write;
147 csm->read_used += sizes.op_read;
149 for (i = 0; i < cs->bo_count; i++) {
151 bo->space_accounted = cs->bos[i].new_accounted;
154 new_tmp->bo->space_accounted = new_tmp->new_accounted;
156 return RADEON_CS_SPACE_OK;
159 void radeon_cs_space_add_persistent_bo(struct radeon_cs *cs, struct radeon_bo *bo, uint32_t read_domains, uint32_t write_domain)
162 for (i = 0; i < cs->bo_count; i++) {
163 if (cs->bos[i].bo == bo &&
164 cs->bos[i].read_domains == read_domains &&
165 cs->bos[i].write_domain == write_domain)
171 cs->bos[i].read_domains = read_domains;
172 cs->bos[i].write_domain = write_domain;
173 cs->bos[i].new_accounted = 0;
176 assert(cs->bo_count < MAX_SPACE_BOS);
179 static int radeon_cs_check_space_internal(struct radeon_cs *cs, struct radeon_cs_space_check *tmp_bo)
185 ret = radeon_cs_do_space_check(cs, tmp_bo);
186 if (ret == RADEON_CS_SPACE_OP_TO_BIG)
188 if (ret == RADEON_CS_SPACE_FLUSH) {
189 (*cs->space_flush_fn)(cs->space_flush_data);
198 int radeon_cs_space_check_with_bo(struct radeon_cs *cs,
199 struct radeon_bo *bo,
200 uint32_t read_domains, uint32_t write_domain)
202 struct radeon_cs_space_check temp_bo;
207 temp_bo.read_domains = read_domains;
208 temp_bo.write_domain = write_domain;
209 temp_bo.new_accounted = 0;
212 ret = radeon_cs_check_space_internal(cs, bo ? &temp_bo : NULL);
216 int radeon_cs_space_check(struct radeon_cs *cs)
218 return radeon_cs_check_space_internal(cs, NULL);
221 void radeon_cs_space_reset_bos(struct radeon_cs *cs)
224 for (i = 0; i < cs->bo_count; i++) {
225 radeon_bo_unref(cs->bos[i].bo);
226 cs->bos[i].bo = NULL;
227 cs->bos[i].read_domains = 0;
228 cs->bos[i].write_domain = 0;
229 cs->bos[i].new_accounted = 0;