linux/drivers/gpu/drm/amd/amdgpu/amdgpu_socbb.h
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   1/*
   2 * Copyright 2019 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 */
  23#ifndef __AMDGPU_SOCBB_H__
  24#define __AMDGPU_SOCBB_H__
  25
  26struct gpu_info_voltage_scaling_v1_0 {
  27        uint32_t state;
  28        uint32_t dscclk_mhz;
  29        uint32_t dcfclk_mhz;
  30        uint32_t socclk_mhz;
  31        uint32_t dram_speed_mts;
  32        uint32_t fabricclk_mhz;
  33        uint32_t dispclk_mhz;
  34        uint32_t phyclk_mhz;
  35        uint32_t dppclk_mhz;
  36};
  37
  38struct gpu_info_soc_bounding_box_v1_0 {
  39        uint32_t sr_exit_time_us;
  40        uint32_t sr_enter_plus_exit_time_us;
  41        uint32_t urgent_latency_us;
  42        uint32_t urgent_latency_pixel_data_only_us;
  43        uint32_t urgent_latency_pixel_mixed_with_vm_data_us;
  44        uint32_t urgent_latency_vm_data_only_us;
  45        uint32_t writeback_latency_us;
  46        uint32_t ideal_dram_bw_after_urgent_percent;
  47        uint32_t pct_ideal_dram_sdp_bw_after_urgent_pixel_only; // PercentOfIdealDRAMFabricAndSDPPortBWReceivedAfterUrgLatencyPixelDataOnly
  48        uint32_t pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm;
  49        uint32_t pct_ideal_dram_sdp_bw_after_urgent_vm_only;
  50        uint32_t max_avg_sdp_bw_use_normal_percent;
  51        uint32_t max_avg_dram_bw_use_normal_percent;
  52        uint32_t max_request_size_bytes;
  53        uint32_t downspread_percent;
  54        uint32_t dram_page_open_time_ns;
  55        uint32_t dram_rw_turnaround_time_ns;
  56        uint32_t dram_return_buffer_per_channel_bytes;
  57        uint32_t dram_channel_width_bytes;
  58        uint32_t fabric_datapath_to_dcn_data_return_bytes;
  59        uint32_t dcn_downspread_percent;
  60        uint32_t dispclk_dppclk_vco_speed_mhz;
  61        uint32_t dfs_vco_period_ps;
  62        uint32_t urgent_out_of_order_return_per_channel_pixel_only_bytes;
  63        uint32_t urgent_out_of_order_return_per_channel_pixel_and_vm_bytes;
  64        uint32_t urgent_out_of_order_return_per_channel_vm_only_bytes;
  65        uint32_t round_trip_ping_latency_dcfclk_cycles;
  66        uint32_t urgent_out_of_order_return_per_channel_bytes;
  67        uint32_t channel_interleave_bytes;
  68        uint32_t num_banks;
  69        uint32_t num_chans;
  70        uint32_t vmm_page_size_bytes;
  71        uint32_t dram_clock_change_latency_us;
  72        uint32_t writeback_dram_clock_change_latency_us;
  73        uint32_t return_bus_width_bytes;
  74        uint32_t voltage_override;
  75        uint32_t xfc_bus_transport_time_us;
  76        uint32_t xfc_xbuf_latency_tolerance_us;
  77        uint32_t use_urgent_burst_bw;
  78        uint32_t num_states;
  79        struct gpu_info_voltage_scaling_v1_0 clock_limits[8];
  80};
  81
  82#endif
  83