From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/display/dc/dc_edid_parser.c | 80 +++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 drivers/gpu/drm/amd/display/dc/dc_edid_parser.c (limited to 'drivers/gpu/drm/amd/display/dc/dc_edid_parser.c') diff --git a/drivers/gpu/drm/amd/display/dc/dc_edid_parser.c b/drivers/gpu/drm/amd/display/dc/dc_edid_parser.c new file mode 100644 index 000000000..0db5b49e9 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dc_edid_parser.c @@ -0,0 +1,80 @@ +/* + * 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; +} -- cgit v1.2.3