cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

oimm507b.c (1854B)

      1/*
      2 * Copyright 2018 Red Hat Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 */
     22#include "oimm.h"
     23
     24#include <nvif/cl507b.h>
     25
     26static int
     27oimm507b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
     28	       s32 oclass, struct nv50_wndw *wndw)
     29{
     30	struct nv50_disp_overlay_v0 args = {
     31		.head = wndw->id,
     32	};
     33	struct nv50_disp *disp = nv50_disp(drm->dev);
     34	int ret;
     35
     36	ret = nvif_object_ctor(&disp->disp->object, "kmsOvim", 0, oclass,
     37			       &args, sizeof(args), &wndw->wimm.base.user);
     38	if (ret) {
     39		NV_ERROR(drm, "oimm%04x allocation failed: %d\n", oclass, ret);
     40		return ret;
     41	}
     42
     43	nvif_object_map(&wndw->wimm.base.user, NULL, 0);
     44	wndw->immd = func;
     45	return 0;
     46}
     47
     48int
     49oimm507b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw)
     50{
     51	return oimm507b_init_(&curs507a, drm, oclass, wndw);
     52}