drm/amdgpu/swSMU: handle manual AC/DC notifications (9644bf5f) · Commits · 戴 / test

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

+3 −0

Original line number	Diff line number	Diff line
		@@ -92,6 +92,9 @@ void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
		if (adev->powerplay.pp_funcs->enable_bapm)
		amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power);
		mutex_unlock(&adev->pm.mutex);

		if (is_support_sw_smu(adev))
		smu_set_ac_dc(&adev->smu);
		}
		}

+23 −0

Original line number	Diff line number	Diff line
		@@ -2087,6 +2087,29 @@ int smu_set_watermarks_for_clock_ranges(struct smu_context *smu,
		return 0;
		}

		int smu_set_ac_dc(struct smu_context *smu)
		{
		int ret = 0;

		/* controlled by firmware */
		if (smu->dc_controlled_by_gpio)
		return 0;

		mutex_lock(&smu->mutex);
		if (smu->ppt_funcs->set_power_source) {
		if (smu->adev->pm.ac_power)
		ret = smu_set_power_source(smu, SMU_POWER_SOURCE_AC);
		else
		ret = smu_set_power_source(smu, SMU_POWER_SOURCE_DC);
		if (ret)
		pr_err("Failed to switch to %s mode!\n",
		smu->adev->pm.ac_power ? "AC" : "DC");
		}
		mutex_unlock(&smu->mutex);

		return ret;
		}

		const struct amd_ip_funcs smu_ip_funcs = {
		.name = "smu",
		.early_init = smu_early_init,

+1 −0

Original line number	Diff line number	Diff line
		@@ -720,6 +720,7 @@ int smu_get_dpm_level_range(struct smu_context *smu, enum smu_clk_type clk_type,
		enum amd_dpm_forced_level smu_get_performance_level(struct smu_context *smu);
		int smu_force_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level);
		int smu_set_display_count(struct smu_context *smu, uint32_t count);
		int smu_set_ac_dc(struct smu_context *smu);
		bool smu_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type);
		const char smu_get_message_name(struct smu_context smu, enum smu_message_type type);
		const char smu_get_feature_name(struct smu_context smu, enum smu_feature_mask feature);