59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/*
|
|
* Copyright (C) 2019-2020 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 __BI_QUIRKS_H
|
|
#define __BI_QUIRKS_H
|
|
|
|
/* Model-specific quirks requiring compiler workarounds/etc. Quirks
|
|
* may be errata requiring a workaround, or features. We're trying to be
|
|
* quirk-positive here; quirky is the best! */
|
|
|
|
/* Whether this GPU lacks support for fp32 transcendentals, requiring backend
|
|
* lowering to low-precision lookup tables and polynomial approximation */
|
|
|
|
#define BIFROST_NO_FP32_TRANSCENDENTALS (1 << 0)
|
|
|
|
/* Whether this GPU lacks support for the full form of the CLPER instruction.
|
|
* These GPUs use a simple encoding of CLPER that does not support
|
|
* inactive_result, subgroup_size, or lane_op. Using those features requires
|
|
* lowering to additional ALU instructions. The encoding forces inactive_result
|
|
* = zero, subgroup_size = subgroup4, and lane_op = none. */
|
|
|
|
#define BIFROST_LIMITED_CLPER (1 << 1)
|
|
|
|
static inline unsigned
|
|
bifrost_get_quirks(unsigned product_id)
|
|
{
|
|
switch (product_id >> 8) {
|
|
case 0x60: /* G71 */
|
|
return BIFROST_NO_FP32_TRANSCENDENTALS | BIFROST_LIMITED_CLPER;
|
|
case 0x62: /* G72 */
|
|
case 0x70: /* G31 */
|
|
return BIFROST_LIMITED_CLPER;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#endif
|