linux-zen-desktop/drivers/gpu/drm/nouveau/dispnv50/base.c

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2023-08-30 17:31:07 +02:00
/*
* 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 "base.h"
#include <nvif/class.h>
int
nv50_base_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
{
struct {
s32 oclass;
int version;
int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
} bases[] = {
{ GK110_DISP_BASE_CHANNEL_DMA, 0, base917c_new },
{ GK104_DISP_BASE_CHANNEL_DMA, 0, base917c_new },
{ GF110_DISP_BASE_CHANNEL_DMA, 0, base907c_new },
{ GT214_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
{ GT200_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
{ G82_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
{ NV50_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
{}
};
struct nv50_disp *disp = nv50_disp(drm->dev);
int cid;
cid = nvif_mclass(&disp->disp->object, bases);
if (cid < 0) {
NV_ERROR(drm, "No supported base class\n");
return cid;
}
return bases[cid].new(drm, head, bases[cid].oclass, pwndw);
}