2 * Copyright (C) 2019 Collabora, Ltd.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 #ifndef __PANFROST_QUIRKS_H
25 #define __PANFROST_QUIRKS_H
27 /* Model-specific quirks requiring workarounds/etc. Quirks may be errata
28 * requiring a workaround, or features. We're trying to be quirk-positive
29 * here; quirky is the best! */
31 /* Whether the GPU lacks the capability for hierarchical tiling, without an
32 * "Advanced Tiling Unit", instead requiring a single bin size for the entire
33 * framebuffer be selected by the driver */
35 #define MIDGARD_NO_HIER_TILING (1 << 0)
37 /* Whether this GPU lacks native multiple render target support and accordingly
38 * needs SFBDs instead, with complex lowering with ES3 */
40 #define MIDGARD_SFBD (1 << 1)
42 /* Whether fp16 is broken in the compiler. Hopefully this quirk will go away
45 #define MIDGARD_BROKEN_FP16 (1 << 2)
47 /* What it says on the tin */
48 #define IS_BIFROST (1 << 3)
50 /* What it says on the tin */
51 #define HAS_SWIZZLES (1 << 4)
53 /* Support for setting shader to NULL for masking out colour (while allowing
54 * Z/S updates to proceed) */
56 #define MIDGARD_SHADERLESS (1 << 5)
58 /* Quirk collections common to particular uarchs */
60 #define MIDGARD_QUIRKS (MIDGARD_BROKEN_FP16 | HAS_SWIZZLES)
62 #define BIFROST_QUIRKS (IS_BIFROST)
64 static inline unsigned
65 panfrost_get_quirks(unsigned gpu_id
)
70 return MIDGARD_QUIRKS
| MIDGARD_SFBD
;
73 return MIDGARD_QUIRKS
| MIDGARD_SFBD
| MIDGARD_NO_HIER_TILING
;
77 return MIDGARD_QUIRKS
| MIDGARD_NO_HIER_TILING
;
82 return MIDGARD_QUIRKS
| MIDGARD_SHADERLESS
;
84 case 0x6000: /* G71 */
85 return BIFROST_QUIRKS
| HAS_SWIZZLES
;
87 case 0x7093: /* G31 */
88 case 0x7212: /* G52 */
89 return BIFROST_QUIRKS
;
92 unreachable("Unknown Panfrost GPU ID");