Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f715d5b3 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
Browse files

drm/amd/powerplay: add mclk OD(overdrive) support for Tonga 



The maximum OD percentage is 20.

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarEric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 40899d55

drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c

+44 −0
Original line number Original line Diff line number Diff line
@@ -6216,6 +6216,48 @@ static int tonga_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value) 
	return 0;

	return 0;

}

}





static int tonga_get_mclk_od(struct pp_hwmgr *hwmgr)

{

	struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);

	struct tonga_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);

	struct tonga_single_dpm_table *golden_mclk_table =

			&(data->golden_dpm_table.mclk_table);

	int value;



	value = (mclk_table->dpm_levels[mclk_table->count - 1].value -

			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value) *

			100 /

			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;



	return value;

}



static int tonga_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value)

{

	struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);

	struct tonga_single_dpm_table *golden_mclk_table =

			&(data->golden_dpm_table.mclk_table);

	struct pp_power_state  *ps;

	struct tonga_power_state  *tonga_ps;



	if (value > 20)

		value = 20;



	ps = hwmgr->request_ps;



	if (ps == NULL)

		return -EINVAL;



	tonga_ps = cast_phw_tonga_power_state(&ps->hardware);



	tonga_ps->performance_levels[tonga_ps->performance_level_count - 1].memory_clock =

			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value *

			value / 100 +

			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;



	return 0;

}



static const struct pp_hwmgr_func tonga_hwmgr_funcs = {

static const struct pp_hwmgr_func tonga_hwmgr_funcs = {

	.backend_init = &tonga_hwmgr_backend_init,

	.backend_init = &tonga_hwmgr_backend_init,

	.backend_fini = &tonga_hwmgr_backend_fini,

	.backend_fini = &tonga_hwmgr_backend_fini,
@@ -6260,6 +6302,8 @@ static const struct pp_hwmgr_func tonga_hwmgr_funcs = { 
	.print_clock_levels = tonga_print_clock_levels,

	.print_clock_levels = tonga_print_clock_levels,

	.get_sclk_od = tonga_get_sclk_od,

	.get_sclk_od = tonga_get_sclk_od,

	.set_sclk_od = tonga_set_sclk_od,

	.set_sclk_od = tonga_set_sclk_od,

	.get_mclk_od = tonga_get_mclk_od,

	.set_mclk_od = tonga_set_mclk_od,

};

};





int tonga_hwmgr_init(struct pp_hwmgr *hwmgr)

int tonga_hwmgr_init(struct pp_hwmgr *hwmgr)