forked from Minki/linux
53e0a3e70d
Instead of windows returning their core channel interlock mask if they know core has been modified, it's recorded unconditionally and used if required when update methods are emitted. This will be required to support Volta. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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* Copyright 2018 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "core.h"
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#include "head.h"
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#include <nvif/cl507d.h>
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#include "nouveau_bo.h"
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void
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core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
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{
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u32 *push;
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if ((push = evo_wait(&core->chan, 5))) {
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if (ntfy) {
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evo_mthd(push, 0x0084, 1);
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evo_data(push, 0x80000000 | NV50_DISP_CORE_NTFY);
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}
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evo_mthd(push, 0x0080, 2);
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evo_data(push, interlock[NV50_DISP_INTERLOCK_BASE] |
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interlock[NV50_DISP_INTERLOCK_OVLY]);
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evo_data(push, 0x00000000);
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evo_kick(push, &core->chan);
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}
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}
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int
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core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
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struct nvif_device *device)
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{
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s64 time = nvif_msec(device, 2000ULL,
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if (nouveau_bo_rd32(bo, offset / 4))
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break;
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usleep_range(1, 2);
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);
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return time < 0 ? time : 0;
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}
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void
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core507d_ntfy_init(struct nouveau_bo *bo, u32 offset)
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{
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nouveau_bo_wr32(bo, offset / 4, 0x00000000);
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}
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void
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core507d_init(struct nv50_core *core)
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{
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u32 *push;
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if ((push = evo_wait(&core->chan, 2))) {
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evo_mthd(push, 0x0088, 1);
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evo_data(push, core->chan.sync.handle);
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evo_kick(push, &core->chan);
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}
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}
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static const struct nv50_core_func
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core507d = {
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.init = core507d_init,
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.ntfy_init = core507d_ntfy_init,
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.ntfy_wait_done = core507d_ntfy_wait_done,
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.update = core507d_update,
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.head = &head507d,
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.dac = &dac507d,
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.sor = &sor507d,
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.pior = &pior507d,
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};
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int
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core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm,
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s32 oclass, struct nv50_core **pcore)
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{
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struct nv50_disp_core_channel_dma_v0 args = {};
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struct nv50_disp *disp = nv50_disp(drm->dev);
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struct nv50_core *core;
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int ret;
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if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL)))
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return -ENOMEM;
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core->func = func;
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ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
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&oclass, 0, &args, sizeof(args),
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disp->sync->bo.offset, &core->chan);
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if (ret) {
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NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret);
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return ret;
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}
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return 0;
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}
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int
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core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
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{
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return core507d_new_(&core507d, drm, oclass, pcore);
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}
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