| tmu.c (ef34add89ee4d1473bd0e78f551efa6fc1feb0cd) | tmu.c (12a14f2fca32332d065b64f6f654fa332c90475e) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Thunderbolt Time Management Unit (TMU) support 4 * 5 * Copyright (C) 2019, Intel Corporation 6 * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> 7 * Rajmohan Mani <rajmohan.mani@intel.com> 8 */ --- 374 unchanged lines hidden (view full) --- 383 */ 384int tb_switch_tmu_disable(struct tb_switch *sw) 385{ 386 /* 387 * No need to disable TMU on devices that don't support CLx since 388 * on these devices e.g. Alpine Ridge and earlier, the TMU mode 389 * HiFi bi-directional is enabled by default and we don't change it. 390 */ | 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Thunderbolt Time Management Unit (TMU) support 4 * 5 * Copyright (C) 2019, Intel Corporation 6 * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> 7 * Rajmohan Mani <rajmohan.mani@intel.com> 8 */ --- 374 unchanged lines hidden (view full) --- 383 */ 384int tb_switch_tmu_disable(struct tb_switch *sw) 385{ 386 /* 387 * No need to disable TMU on devices that don't support CLx since 388 * on these devices e.g. Alpine Ridge and earlier, the TMU mode 389 * HiFi bi-directional is enabled by default and we don't change it. 390 */ |
| 391 if (!tb_switch_is_clx_supported(sw)) | 391 if (!tb_switch_clx_is_supported(sw)) |
| 392 return 0; 393 394 /* Already disabled? */ 395 if (sw->tmu.rate == TB_SWITCH_TMU_RATE_OFF) 396 return 0; 397 398 if (tb_route(sw)) { 399 bool unidirectional = sw->tmu.unidirectional; --- 248 unchanged lines hidden (view full) --- 648 bool unidirectional = sw->tmu.unidirectional_request; 649 int ret; 650 651 /* 652 * No need to enable TMU on devices that don't support CLx since on 653 * these devices e.g. Alpine Ridge and earlier, the TMU mode HiFi 654 * bi-directional is enabled by default. 655 */ | 392 return 0; 393 394 /* Already disabled? */ 395 if (sw->tmu.rate == TB_SWITCH_TMU_RATE_OFF) 396 return 0; 397 398 if (tb_route(sw)) { 399 bool unidirectional = sw->tmu.unidirectional; --- 248 unchanged lines hidden (view full) --- 648 bool unidirectional = sw->tmu.unidirectional_request; 649 int ret; 650 651 /* 652 * No need to enable TMU on devices that don't support CLx since on 653 * these devices e.g. Alpine Ridge and earlier, the TMU mode HiFi 654 * bi-directional is enabled by default. 655 */ |
| 656 if (!tb_switch_is_clx_supported(sw)) | 656 if (!tb_switch_clx_is_supported(sw)) |
| 657 return 0; 658 659 if (tb_switch_tmu_is_enabled(sw)) 660 return 0; 661 662 if (tb_switch_is_titan_ridge(sw) && unidirectional) { 663 /* 664 * Titan Ridge supports CL0s and CL1 only. CL0s and CL1 are 665 * enabled and supported together. 666 */ | 657 return 0; 658 659 if (tb_switch_tmu_is_enabled(sw)) 660 return 0; 661 662 if (tb_switch_is_titan_ridge(sw) && unidirectional) { 663 /* 664 * Titan Ridge supports CL0s and CL1 only. CL0s and CL1 are 665 * enabled and supported together. 666 */ |
| 667 if (!tb_switch_is_clx_enabled(sw, TB_CL1)) | 667 if (!tb_switch_clx_is_enabled(sw, TB_CL1)) |
| 668 return -EOPNOTSUPP; 669 670 ret = tb_switch_tmu_disable_objections(sw); 671 if (ret) 672 return ret; 673 } 674 675 ret = tb_switch_tmu_set_time_disruption(sw, true); --- 61 unchanged lines hidden --- | 668 return -EOPNOTSUPP; 669 670 ret = tb_switch_tmu_disable_objections(sw); 671 if (ret) 672 return ret; 673 } 674 675 ret = tb_switch_tmu_set_time_disruption(sw, true); --- 61 unchanged lines hidden --- |