linux-zen-desktop/drivers/gpu/drm/amd/display/dc/dc_edid_parser.c

81 lines
2.2 KiB
C

/*
* Copyright 2021 Advanced Micro Devices, 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.
*
* Authors: AMD
*
*/
#include "dce/dce_dmcu.h"
#include "dc_edid_parser.h"
bool dc_edid_parser_send_cea(struct dc *dc,
int offset,
int total_length,
uint8_t *data,
int length)
{
struct dmcu *dmcu = dc->res_pool->dmcu;
if (dmcu &&
dmcu->funcs->is_dmcu_initialized(dmcu) &&
dmcu->funcs->send_edid_cea) {
return dmcu->funcs->send_edid_cea(dmcu,
offset,
total_length,
data,
length);
}
return false;
}
bool dc_edid_parser_recv_cea_ack(struct dc *dc, int *offset)
{
struct dmcu *dmcu = dc->res_pool->dmcu;
if (dmcu &&
dmcu->funcs->is_dmcu_initialized(dmcu) &&
dmcu->funcs->recv_edid_cea_ack) {
return dmcu->funcs->recv_edid_cea_ack(dmcu, offset);
}
return false;
}
bool dc_edid_parser_recv_amd_vsdb(struct dc *dc,
int *version,
int *min_frame_rate,
int *max_frame_rate)
{
struct dmcu *dmcu = dc->res_pool->dmcu;
if (dmcu &&
dmcu->funcs->is_dmcu_initialized(dmcu) &&
dmcu->funcs->recv_amd_vsdb) {
return dmcu->funcs->recv_amd_vsdb(dmcu,
version,
min_frame_rate,
max_frame_rate);
}
return false;
}