linux-zen-desktop/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm200.c

66 lines
2.1 KiB
C
Raw Normal View History

2023-08-30 17:31:07 +02:00
/*
* Copyright 2015 Red Hat Inc.
*
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include "priv.h"
#include <subdev/fb.h>
#include <subdev/timer.h>
static int
gm200_ltc_oneinit(struct nvkm_ltc *ltc)
{
struct nvkm_device *device = ltc->subdev.device;
ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
return gf100_ltc_oneinit_tag_ram(ltc);
}
static void
gm200_ltc_init(struct nvkm_ltc *ltc)
{
nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base);
}
static const struct nvkm_ltc_func
gm200_ltc = {
.oneinit = gm200_ltc_oneinit,
.init = gm200_ltc_init,
.intr = gm107_ltc_intr,
.cbc_clear = gm107_ltc_cbc_clear,
.cbc_wait = gm107_ltc_cbc_wait,
.zbc_color = 16,
.zbc_depth = 16,
.zbc_clear_color = gm107_ltc_zbc_clear_color,
.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
.invalidate = gf100_ltc_invalidate,
.flush = gf100_ltc_flush,
};
int
gm200_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_ltc **pltc)
{
return nvkm_ltc_new_(&gm200_ltc, device, type, inst, pltc);
}