diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 68 |
1 files changed, 41 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index c40f4a06abdb..9c806385ecbd 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -1123,21 +1123,28 @@ void dcn35_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context, update_state->pg_res_update[PG_HPO] = true; } + /** - * power down sequence - * ONO Region 3, DCPG 25: hpo - SKIPPED - * ONO Region 4, DCPG 0: dchubp0, dpp0 - * ONO Region 6, DCPG 1: dchubp1, dpp1 - * ONO Region 8, DCPG 2: dchubp2, dpp2 - * ONO Region 10, DCPG 3: dchubp3, dpp3 - * ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will pwr dwn at IPS2 entry - * ONO Region 5, DCPG 16: dsc0 - * ONO Region 7, DCPG 17: dsc1 - * ONO Region 9, DCPG 18: dsc2 - * ONO Region 11, DCPG 19: dsc3 - * ONO Region 2, DCPG 24: mpc opp optc dwb - * ONO Region 0, DCPG 22: dccg dio dcio - SKIPPED. will be pwr dwn after lono timer is armed -*/ + * dcn35_hw_block_power_down() - power down sequence + * + * The following sequence describes the ON-OFF (ONO) for power down: + * + * ONO Region 3, DCPG 25: hpo - SKIPPED + * ONO Region 4, DCPG 0: dchubp0, dpp0 + * ONO Region 6, DCPG 1: dchubp1, dpp1 + * ONO Region 8, DCPG 2: dchubp2, dpp2 + * ONO Region 10, DCPG 3: dchubp3, dpp3 + * ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will pwr dwn at IPS2 entry + * ONO Region 5, DCPG 16: dsc0 + * ONO Region 7, DCPG 17: dsc1 + * ONO Region 9, DCPG 18: dsc2 + * ONO Region 11, DCPG 19: dsc3 + * ONO Region 2, DCPG 24: mpc opp optc dwb + * 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 dcn35_hw_block_power_down(struct dc *dc, struct pg_block_update *update_state) { @@ -1175,20 +1182,27 @@ void dcn35_hw_block_power_down(struct dc *dc, //domain22, 23, 25 currently always on. } + /** - * power up sequence - * ONO Region 0, DCPG 22: dccg dio dcio - SKIPPED - * ONO Region 2, DCPG 24: mpc opp optc dwb - * ONO Region 5, DCPG 16: dsc0 - * ONO Region 7, DCPG 17: dsc1 - * ONO Region 9, DCPG 18: dsc2 - * ONO Region 11, DCPG 19: dsc3 - * ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will power up at IPS2 exit - * ONO Region 4, DCPG 0: dchubp0, dpp0 - * ONO Region 6, DCPG 1: dchubp1, dpp1 - * ONO Region 8, DCPG 2: dchubp2, dpp2 - * ONO Region 10, DCPG 3: dchubp3, dpp3 - * ONO Region 3, DCPG 25: hpo - SKIPPED + * dcn35_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 2, DCPG 24: mpc opp optc dwb + * ONO Region 5, DCPG 16: dsc0 + * ONO Region 7, DCPG 17: dsc1 + * ONO Region 9, DCPG 18: dsc2 + * ONO Region 11, DCPG 19: dsc3 + * ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will power up at IPS2 exit + * ONO Region 4, DCPG 0: dchubp0, dpp0 + * ONO Region 6, DCPG 1: dchubp1, dpp1 + * ONO Region 8, DCPG 2: dchubp2, dpp2 + * ONO Region 10, DCPG 3: dchubp3, dpp3 + * ONO Region 3, DCPG 25: hpo - SKIPPED + * + * @dc: Current DC state + * @update_state: update PG sequence states for HW block */ void dcn35_hw_block_power_up(struct dc *dc, struct pg_block_update *update_state) |