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
|
/*
* Copyright (C) 2019 Collabora, Ltd.
*
* 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, sublicense,
* 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 above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#ifndef __PANFROST_QUIRKS_H
#define __PANFROST_QUIRKS_H
/* Model-specific quirks requiring workarounds/etc. Quirks may be errata
* requiring a workaround, or features. We're trying to be quirk-positive
* here; quirky is the best! */
/* Whether the GPU lacks the capability for hierarchical tiling, without an
* "Advanced Tiling Unit", instead requiring a single bin size for the entire
* framebuffer be selected by the driver */
#define MIDGARD_NO_HIER_TILING (1 << 0)
/* Whether this GPU lacks native multiple render target support and accordingly
* needs SFBDs instead, with complex lowering with ES3 */
#define MIDGARD_SFBD (1 << 1)
/* Whether fp16 is broken in the compiler. Hopefully this quirk will go away
* over time */
#define MIDGARD_BROKEN_FP16 (1 << 2)
/* What it says on the tin */
#define IS_BIFROST (1 << 3)
/* Quirk collections common to particular uarchs */
#define MIDGARD_QUIRKS (MIDGARD_BROKEN_FP16)
#define BIFROST_QUIRKS (IS_BIFROST)
static inline unsigned
panfrost_get_quirks(unsigned gpu_id)
{
switch (gpu_id) {
case 0x600:
case 0x620:
return MIDGARD_QUIRKS | MIDGARD_SFBD;
case 0x720:
return MIDGARD_QUIRKS | MIDGARD_SFBD | MIDGARD_NO_HIER_TILING;
case 0x820:
case 0x830:
return MIDGARD_QUIRKS | MIDGARD_NO_HIER_TILING;
case 0x750:
case 0x860:
case 0x880:
return MIDGARD_QUIRKS;
case 0x7093: /* G31 */
case 0x7212: /* G52 */
return BIFROST_QUIRKS;
default:
unreachable("Unknown Panfrost GPU ID");
}
}
#endif
|