/* SPDX-License-Identifier: MIT */ /* * Copyright 2024 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. * * Authors: AMD *
*/
for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) { if (update_state->pg_pipe_res_update[PG_HUBP][i] &&
update_state->pg_pipe_res_update[PG_DPP][i]) { for (j = i - 1; j >= 0; j--) {
update_state->pg_pipe_res_update[PG_HUBP][j] = true;
update_state->pg_pipe_res_update[PG_DPP][j] = true;
}
break;
}
}
}
/** * dcn351_hw_block_power_down() - power down sequence * * The following sequence describes the ON-OFF (ONO) for power down: * * ONO Region 11, DCPG 19: dsc3 * ONO Region 10, DCPG 3: dchubp3, dpp3 * ONO Region 9, DCPG 18: dsc2 * ONO Region 8, DCPG 2: dchubp2, dpp2 * ONO Region 7, DCPG 17: dsc1 * ONO Region 6, DCPG 1: dchubp1, dpp1 * ONO Region 5, DCPG 16: dsc0 * ONO Region 4, DCPG 0: dchubp0, dpp0 * ONO Region 3, DCPG 25: hpo - SKIPPED. Should be kept on * ONO Region 2, DCPG 24: mpc opp optc dwb * ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will pwr dwn at IPS2 entry * ONO Region 0, DCPG 22: dccg dio dcio - SKIPPED. will be pwr dwn after lono timer is armed * * @dc: Current DC state * @update_state: update PG sequence states for HW block
*/ void dcn351_hw_block_power_down(struct dc *dc, struct pg_block_update *update_state)
{ int i = 0; struct pg_cntl *pg_cntl = dc->res_pool->pg_cntl;
if (!pg_cntl || dc->debug.ignore_pg) return;
for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) { if (update_state->pg_pipe_res_update[PG_DSC][i]) { if (pg_cntl->funcs->dsc_pg_control)
pg_cntl->funcs->dsc_pg_control(pg_cntl, i, false);
}
if (update_state->pg_pipe_res_update[PG_HUBP][i] &&
update_state->pg_pipe_res_update[PG_DPP][i]) { if (pg_cntl->funcs->hubp_dpp_pg_control)
pg_cntl->funcs->hubp_dpp_pg_control(pg_cntl, i, false);
}
}
// domain25 currently always on.
/* this will need all the clients to unregister optc interrupts, let dmubfw handle this */ if (pg_cntl->funcs->plane_otg_pg_control)
pg_cntl->funcs->plane_otg_pg_control(pg_cntl, false);
// domain23 currently always on. // domain22 currently always on.
}
/** * dcn351_hw_block_power_up() - power up sequence * * The following sequence describes the ON-OFF (ONO) for power up: * * ONO Region 0, DCPG 22: dccg dio dcio - SKIPPED * ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will power up at IPS2 exit * ONO Region 2, DCPG 24: mpc opp optc dwb * ONO Region 3, DCPG 25: hpo - SKIPPED * ONO Region 4, DCPG 0: dchubp0, dpp0 * ONO Region 5, DCPG 16: dsc0 * ONO Region 6, DCPG 1: dchubp1, dpp1 * ONO Region 7, DCPG 17: dsc1 * ONO Region 8, DCPG 2: dchubp2, dpp2 * ONO Region 9, DCPG 18: dsc2 * ONO Region 10, DCPG 3: dchubp3, dpp3 * ONO Region 11, DCPG 19: dsc3 * * @dc: Current DC state * @update_state: update PG sequence states for HW block
*/ void dcn351_hw_block_power_up(struct dc *dc, struct pg_block_update *update_state)
{ int i = 0; struct pg_cntl *pg_cntl = dc->res_pool->pg_cntl;
if (!pg_cntl || dc->debug.ignore_pg) return;
// domain22 currently always on. // domain23 currently always on.
/* this will need all the clients to unregister optc interrupts, let dmubfw handle this */ if (pg_cntl->funcs->plane_otg_pg_control)
pg_cntl->funcs->plane_otg_pg_control(pg_cntl, true);
// domain25 currently always on.
for (i = 0; i < dc->res_pool->pipe_count; i++) { if (update_state->pg_pipe_res_update[PG_HUBP][i] &&
update_state->pg_pipe_res_update[PG_DPP][i]) { if (pg_cntl->funcs->hubp_dpp_pg_control)
pg_cntl->funcs->hubp_dpp_pg_control(pg_cntl, i, true);
}
if (update_state->pg_pipe_res_update[PG_DSC][i]) { if (pg_cntl->funcs->dsc_pg_control)
pg_cntl->funcs->dsc_pg_control(pg_cntl, i, true);
}
}
}
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