2 * Copyright © 2009 Red Hat Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
15 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
17 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
31 #include "radeon_bocs_wrapper.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;