kernel_samsung_a34x-permissive/drivers/gpu/drm/nouveau/dispnv50/ovly.c

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/*
* 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 "ovly.h"
#include "oimm.h"
#include <nvif/class.h>
int
nv50_ovly_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
{
static const struct {
s32 oclass;
int version;
int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
} ovlys[] = {
{ GK104_DISP_OVERLAY_CONTROL_DMA, 0, ovly917e_new },
{ GF110_DISP_OVERLAY_CONTROL_DMA, 0, ovly907e_new },
{ GT214_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
{ GT200_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
{ G82_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
{ NV50_DISP_OVERLAY_CHANNEL_DMA, 0, ovly507e_new },
{}
};
struct nv50_disp *disp = nv50_disp(drm->dev);
int cid, ret;
cid = nvif_mclass(&disp->disp->object, ovlys);
if (cid < 0) {
NV_ERROR(drm, "No supported overlay class\n");
return cid;
}
ret = ovlys[cid].new(drm, head, ovlys[cid].oclass, pwndw);
if (ret)
return ret;
return nv50_oimm_init(drm, *pwndw);
}