#ifndef DC_DSC_H_ #define DC_DSC_H_ /* * Copyright 2019 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. * * Author: AMD
*/
/* put it here temporarily until linux has the new addresses official defined */ /* DP Extended DSC Capabilities */ #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 0x0a0 /* DP 1.4a SCR */ #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 0x0a1 #define DP_DSC_BRANCH_MAX_LINE_WIDTH 0x0a2 #include"dc_types.h"
struct dc_dsc_bw_range {
uint32_t min_kbps; /* Bandwidth if min_target_bpp_x16 is used */
uint32_t min_target_bpp_x16;
uint32_t max_kbps; /* Bandwidth if max_target_bpp_x16 is used */
uint32_t max_target_bpp_x16;
uint32_t stream_kbps; /* Uncompressed stream bandwidth */
};
struct dc_dsc_policy { bool use_min_slices_h; int max_slices_h; // Maximum available if 0 int min_slice_height; // Must not be less than 8
uint32_t max_target_bpp;
uint32_t min_target_bpp; bool enable_dsc_when_not_needed;
};
/* TODO - Hardware/specs limitation should be owned by dc dsc and returned to DM, * and DM can choose to OVERRIDE the limitation on CASE BY CASE basis. * Hardware/specs limitation should not be writable by DM. * It should be decoupled from DM specific policy and named differently.
*/ void dc_dsc_get_policy_for_timing(conststruct dc_crtc_timing *timing,
uint32_t max_target_bpp_limit_override_x16, struct dc_dsc_policy *policy, constenum dc_link_encoding_format link_encoding);
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