Commit fad3ecf2 authored by Huang Rui's avatar Huang Rui Committed by Alex Deucher
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drm/amd/powerplay: add resume sequence placeholder for smu ip block 



This patch adds resume sequence placeholder for smu ip block.

Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 38f8a2e6

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

+38 −1
Original line number Diff line number Diff line
@@ -311,13 +311,50 @@ static int smu_resume(void *handle) 
	if (adev->asic_type < CHIP_VEGA20)

		return -EINVAL;



	pr_info("SMU is resuming...\n");



	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {

		ret = smu_load_microcode(smu);

		if (ret)

			return ret;

	}



	ret = smu_check_fw_status(smu);

	if (ret) {

		pr_err("SMC firmware status is not correct\n");

		return ret;

	}



	mutex_lock(&smu->mutex);



	/* TODO */

	ret = smu_set_tool_table_location(smu);

	if (ret)

		goto failed;



	ret = smu_write_pptable(smu);

	if (ret)

		goto failed;



	ret = smu_write_watermarks_table(smu);

	if (ret)

		goto failed;



	ret = smu_set_last_dcef_min_deep_sleep_clk(smu);

	if (ret)

		goto failed;



	ret = smu_system_features_control(smu, true);

	if (ret)

		goto failed;



	mutex_unlock(&smu->mutex);



	pr_info("SMU is resumed successfully!\n");



	return 0;

failed:

	mutex_unlock(&smu->mutex);

	return ret;

}



static int smu_set_clockgating_state(void *handle,

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