xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_socbb.h (revision 0898782247ae533d1f4e47a06bc5d4870931b284)
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  
26  struct 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  
38  struct 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