Commit 28430544 authored by Kevin Wang's avatar Kevin Wang Committed by Alex Deucher
Browse files

drm/amd/powerplay: add function pre_display_config_changed for navi10 



add callback function pre_display_config_changed for navi10 asic

Signed-off-by: default avatarKevin Wang <kevin1.wang@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a43913ea

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

+22 −0
Original line number Diff line number Diff line
@@ -650,6 +650,27 @@ static int navi10_get_clock_by_type_with_latency(struct smu_context *smu, 
	return ret;

}



static int navi10_pre_display_config_changed(struct smu_context *smu)

{

	int ret = 0;

	uint32_t max_freq = 0;



	ret = smu_send_smc_msg_with_param(smu, SMU_MSG_NumOfDisplays, 0);

	if (ret)

		return ret;



	if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {

		ret = smu_get_dpm_freq_range(smu, SMU_UCLK, NULL, &max_freq);

		if (ret)

			return ret;

		ret = smu_set_hard_freq_range(smu, SMU_UCLK, 0, max_freq);

		if (ret)

			return ret;

	}



	return ret;

}



static const struct pptable_funcs navi10_ppt_funcs = {

	.tables_init = navi10_tables_init,

	.alloc_dpm_context = navi10_allocate_dpm_context,
@@ -669,6 +690,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { 
	.force_clk_levels = navi10_force_clk_levels,

	.populate_umd_state_clk = navi10_populate_umd_state_clk,

	.get_clock_by_type_with_latency = navi10_get_clock_by_type_with_latency,

	.pre_display_config_changed = navi10_pre_display_config_changed,

};



void navi10_set_ppt_funcs(struct smu_context *smu)

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