kernel/drivers/gpu/drm/nouveau/dispnv50/core907d.c

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2024-07-22 17:22:30 +08:00
/*
* Copyright 2018 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.
*/
#include "core.h"
#include "head.h"
#include <nvif/push507c.h>
#include <nvif/timer.h>
#include <nvhw/class/cl907d.h>
#include "nouveau_bo.h"
int
core907d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
{
struct nv50_core *core = disp->core;
struct nouveau_bo *bo = disp->sync;
s64 time;
int ret;
NVBO_WR32(bo, NV50_DISP_CORE_NTFY, NV907D_CORE_NOTIFIER_3, CAPABILITIES_4,
NVDEF(NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, FALSE));
ret = core507d_read_caps(disp);
if (ret < 0)
return ret;
time = nvif_msec(core->chan.base.device, 2000ULL,
if (NVBO_TD32(bo, NV50_DISP_CORE_NTFY,
NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, ==, TRUE))
break;
usleep_range(1, 2);
);
if (time < 0)
NV_ERROR(drm, "core caps notifier timeout\n");
return 0;
}
static const struct nv50_core_func
core907d = {
.init = core507d_init,
.ntfy_init = core507d_ntfy_init,
.caps_init = core907d_caps_init,
.ntfy_wait_done = core507d_ntfy_wait_done,
.update = core507d_update,
.head = &head907d,
#if IS_ENABLED(CONFIG_DEBUG_FS)
.crc = &crc907d,
#endif
.dac = &dac907d,
.sor = &sor907d,
};
int
core907d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
{
return core507d_new_(&core907d, drm, oclass, pcore);
}