1 /* 2 * Copyright 2014 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 24 #include "kfd_mqd_manager.h" 25 26 struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, 27 struct kfd_dev *dev) 28 { 29 switch (dev->device_info->asic_family) { 30 case CHIP_KAVERI: 31 return mqd_manager_init_cik(type, dev); 32 case CHIP_HAWAII: 33 return mqd_manager_init_cik_hawaii(type, dev); 34 case CHIP_CARRIZO: 35 return mqd_manager_init_vi(type, dev); 36 case CHIP_TONGA: 37 case CHIP_FIJI: 38 case CHIP_POLARIS10: 39 case CHIP_POLARIS11: 40 return mqd_manager_init_vi_tonga(type, dev); 41 case CHIP_VEGA10: 42 case CHIP_RAVEN: 43 return mqd_manager_init_v9(type, dev); 44 default: 45 WARN(1, "Unexpected ASIC family %u", 46 dev->device_info->asic_family); 47 } 48 49 return NULL; 50 } 51 52 void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm, 53 const uint32_t *cu_mask, uint32_t cu_mask_count, 54 uint32_t *se_mask) 55 { 56 struct kfd_cu_info cu_info; 57 uint32_t cu_per_sh[4] = {0}; 58 int i, se, cu = 0; 59 60 mm->dev->kfd2kgd->get_cu_info(mm->dev->kgd, &cu_info); 61 62 if (cu_mask_count > cu_info.cu_active_number) 63 cu_mask_count = cu_info.cu_active_number; 64 65 for (se = 0; se < cu_info.num_shader_engines; se++) 66 for (i = 0; i < 4; i++) 67 cu_per_sh[se] += hweight32(cu_info.cu_bitmap[se][i]); 68 69 /* Symmetrically map cu_mask to all SEs: 70 * cu_mask[0] bit0 -> se_mask[0] bit0; 71 * cu_mask[0] bit1 -> se_mask[1] bit0; 72 * ... (if # SE is 4) 73 * cu_mask[0] bit4 -> se_mask[0] bit1; 74 * ... 75 */ 76 se = 0; 77 for (i = 0; i < cu_mask_count; i++) { 78 if (cu_mask[i / 32] & (1 << (i % 32))) 79 se_mask[se] |= 1 << cu; 80 81 do { 82 se++; 83 if (se == cu_info.num_shader_engines) { 84 se = 0; 85 cu++; 86 } 87 } while (cu >= cu_per_sh[se] && cu < 32); 88 } 89 } 90