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

link_hwss_hpo_frl.c (2319B)

      1/*
      2 * Copyright 2022 Advanced Micro Devices, 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 * Authors: AMD
     23 *
     24 */
     25#include "link_hwss_hpo_frl.h"
     26#include "core_types.h"
     27#include "virtual/virtual_link_hwss.h"
     28
     29static void setup_hpo_frl_stream_attribute(struct pipe_ctx *pipe_ctx)
     30{
     31	struct hpo_frl_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_frl_stream_enc;
     32	struct dc_stream_state *stream = pipe_ctx->stream;
     33	struct pipe_ctx *odm_pipe;
     34	int odm_combine_num_segments = 1;
     35
     36	/* get number of ODM combine input segments */
     37	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
     38		odm_combine_num_segments++;
     39
     40	stream_enc->funcs->hdmi_frl_set_stream_attribute(
     41			stream_enc,
     42			&stream->timing,
     43			&stream->link->frl_link_settings.borrow_params,
     44			odm_combine_num_segments);
     45}
     46
     47static const struct link_hwss hpo_frl_link_hwss = {
     48	.setup_stream_encoder = virtual_setup_stream_encoder,
     49	.reset_stream_encoder = virtual_reset_stream_encoder,
     50	.setup_stream_attribute = setup_hpo_frl_stream_attribute,
     51};
     52
     53bool can_use_hpo_frl_link_hwss(const struct dc_link *link,
     54		const struct link_resource *link_res)
     55{
     56	return link_res->hpo_frl_link_enc != NULL;
     57}
     58
     59const struct link_hwss *get_hpo_frl_link_hwss(void)
     60{
     61	return &hpo_frl_link_hwss;
     62}