cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sor907d.c (1886B)


      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 "core.h"
     23
     24#include <nvif/class.h>
     25#include <nvif/push507c.h>
     26
     27#include <nvhw/class/cl907d.h>
     28
     29#include <nouveau_bo.h>
     30
     31static int
     32sor907d_ctrl(struct nv50_core *core, int or, u32 ctrl,
     33	     struct nv50_head_atom *asyh)
     34{
     35	struct nvif_push *push = core->chan.push;
     36	int ret;
     37
     38	if ((ret = PUSH_WAIT(push, 2)))
     39		return ret;
     40
     41	PUSH_MTHD(push, NV907D, SOR_SET_CONTROL(or), ctrl);
     42	return 0;
     43}
     44
     45static void
     46sor907d_get_caps(struct nv50_disp *disp, struct nouveau_encoder *outp, int or)
     47{
     48	struct nouveau_bo *bo = disp->sync;
     49	const int off = or * 2;
     50	outp->caps.dp_interlace =
     51		NVBO_RV32(bo, off, NV907D_CORE_NOTIFIER_3, CAPABILITIES_CAP_SOR0_20, DP_INTERLACE);
     52}
     53
     54const struct nv50_outp_func
     55sor907d = {
     56	.ctrl = sor907d_ctrl,
     57	.get_caps = sor907d_get_caps,
     58};