1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* Copyright © 2009 Corbin Simpson
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
* AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*/
/*
* Authors:
* Corbin Simpson <MostAwesomeDude@gmail.com>
* Joakim Sindholt <opensource@zhasha.com>
*/
#include "radeon_drm.h"
#include "radeon_r300.h"
#include "radeon_buffer.h"
#include "radeon_drm_public.h"
#include "r300_winsys.h"
#include "util/u_memory.h"
#include "xf86drm.h"
#include <sys/ioctl.h>
static struct radeon_libdrm_winsys *
radeon_winsys_create(int fd)
{
struct radeon_libdrm_winsys *rws;
rws = CALLOC_STRUCT(radeon_libdrm_winsys);
if (rws == NULL) {
return NULL;
}
rws->fd = fd;
return rws;
}
/* Enable/disable Hyper-Z access. Return TRUE on success. */
static boolean radeon_set_hyperz_access(int fd, boolean enable)
{
#ifndef RADEON_INFO_WANT_HYPERZ
#define RADEON_INFO_WANT_HYPERZ 7
#endif
struct drm_radeon_info info = {0};
unsigned value = enable ? 1 : 0;
if (!debug_get_bool_option("RADEON_HYPERZ", FALSE))
return FALSE;
info.value = (unsigned long)&value;
info.request = RADEON_INFO_WANT_HYPERZ;
if (drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)) != 0)
return FALSE;
if (enable && !value)
return FALSE;
return TRUE;
}
/* Helper function to do the ioctls needed for setup and init. */
static void do_ioctls(int fd, struct radeon_libdrm_winsys* winsys)
{
struct drm_radeon_gem_info gem_info = {0};
struct drm_radeon_info info = {0};
int target = 0;
int retval;
drmVersionPtr version;
info.value = (unsigned long)⌖
/* We do things in a specific order here.
*
* DRM version first. We need to be sure we're running on a KMS chipset.
* This is also for some features.
*
* Then, the PCI ID. This is essential and should return usable numbers
* for all Radeons. If this fails, we probably got handed an FD for some
* non-Radeon card.
*
* The GB and Z pipe requests should always succeed, but they might not
* return sensical values for all chipsets, but that's alright because
* the pipe drivers already know that.
*
* The GEM info is actually bogus on the kernel side, as well as our side
* (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
* we don't actually use the info for anything yet. */
version = drmGetVersion(fd);
if (version->version_major != 2) {
fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
"only compatible with 2.x.x\n", __FUNCTION__,
version->version_major, version->version_minor,
version->version_patchlevel);
drmFreeVersion(version);
exit(1);
}
/* XXX Remove this ifdef when libdrm version 2.4.19 becomes mandatory. */
#ifdef RADEON_BO_FLAGS_MICRO_TILE_SQUARE
// Supported since 2.1.0.
winsys->squaretiling = version->version_major > 2 ||
version->version_minor >= 1;
#endif
winsys->drm_2_3_0 = version->version_major > 2 ||
version->version_minor >= 3;
winsys->drm_2_6_0 = version->version_major > 2 ||
(version->version_major == 2 &&
version->version_minor >= 6);
info.request = RADEON_INFO_DEVICE_ID;
retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
if (retval) {
fprintf(stderr, "%s: Failed to get PCI ID, "
"error number %d\n", __FUNCTION__, retval);
exit(1);
}
winsys->pci_id = target;
info.request = RADEON_INFO_NUM_GB_PIPES;
retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
if (retval) {
fprintf(stderr, "%s: Failed to get GB pipe count, "
"error number %d\n", __FUNCTION__, retval);
exit(1);
}
winsys->gb_pipes = target;
info.request = RADEON_INFO_NUM_Z_PIPES;
retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
if (retval) {
fprintf(stderr, "%s: Failed to get Z pipe count, "
"error number %d\n", __FUNCTION__, retval);
exit(1);
}
winsys->z_pipes = target;
winsys->hyperz = radeon_set_hyperz_access(fd, TRUE);
retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
&gem_info, sizeof(gem_info));
if (retval) {
fprintf(stderr, "%s: Failed to get MM info, error number %d\n",
__FUNCTION__, retval);
exit(1);
}
winsys->gart_size = gem_info.gart_size;
winsys->vram_size = gem_info.vram_size;
debug_printf("radeon: Successfully grabbed chipset info from kernel!\n"
"radeon: DRM version: %d.%d.%d ID: 0x%04x GB: %d Z: %d\n"
"radeon: GART size: %d MB VRAM size: %d MB\n"
"radeon: HyperZ: %s\n",
version->version_major, version->version_minor,
version->version_patchlevel, winsys->pci_id,
winsys->gb_pipes, winsys->z_pipes,
winsys->gart_size / 1024 / 1024,
winsys->vram_size / 1024 / 1024,
winsys->hyperz ? "YES" : "NO");
drmFreeVersion(version);
}
/* Create a pipe_screen. */
struct r300_winsys_screen* r300_drm_winsys_screen_create(int drmFB)
{
struct radeon_libdrm_winsys* rws;
boolean ret;
rws = radeon_winsys_create(drmFB);
if (!rws)
return NULL;
do_ioctls(drmFB, rws);
/* The state tracker can organize a softpipe fallback if no hw
* driver is found.
*/
if (is_r3xx(rws->pci_id)) {
ret = radeon_setup_winsys(drmFB, rws);
if (ret == FALSE)
goto fail;
return &rws->base;
}
fail:
FREE(rws);
return NULL;
}
|
