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Commit 40899d55 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
Browse files

drm/amdgpu: add mclk OD(overdrive) support for CI 



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 f2bdc05f

drivers/gpu/drm/amd/amdgpu/ci_dpm.c

+36 −0
Original line number Diff line number Diff line
@@ -6564,6 +6564,40 @@ static int ci_dpm_set_sclk_od(struct amdgpu_device *adev, uint32_t value) 
	return 0;

}



static int ci_dpm_get_mclk_od(struct amdgpu_device *adev)

{

	struct ci_power_info *pi = ci_get_pi(adev);

	struct ci_single_dpm_table *mclk_table = &(pi->dpm_table.mclk_table);

	struct ci_single_dpm_table *golden_mclk_table =

			&(pi->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 ci_dpm_set_mclk_od(struct amdgpu_device *adev, uint32_t value)

{

	struct ci_power_info *pi = ci_get_pi(adev);

	struct ci_ps *ps = ci_get_ps(adev->pm.dpm.requested_ps);

	struct ci_single_dpm_table *golden_mclk_table =

			&(pi->golden_dpm_table.mclk_table);



	if (value > 20)

		value = 20;



	ps->performance_levels[ps->performance_level_count - 1].mclk =

			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;

}



const struct amd_ip_funcs ci_dpm_ip_funcs = {

	.name = "ci_dpm",

	.early_init = ci_dpm_early_init,
@@ -6602,6 +6636,8 @@ static const struct amdgpu_dpm_funcs ci_dpm_funcs = { 
	.force_clock_level = ci_dpm_force_clock_level,

	.get_sclk_od = ci_dpm_get_sclk_od,

	.set_sclk_od = ci_dpm_set_sclk_od,

	.get_mclk_od = ci_dpm_get_mclk_od,

	.set_mclk_od = ci_dpm_set_mclk_od,

};



static void ci_dpm_set_dpm_funcs(struct amdgpu_device *adev)