Commit f746556a authored by Guchun Chen's avatar Guchun Chen Committed by Alex Deucher
Browse files

drm/amdgpu: skip SMU FW reloading in runpm BACO case 



SMU is always alive, so it's fine to skip SMU FW reloading
when runpm resumed from BACO, this can avoid some race issues
when resuming SMU.

Suggested-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarGuchun Chen <guchun.chen@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 50fe04d4

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

+7 −0
Original line number Diff line number Diff line
@@ -2348,6 +2348,13 @@ static int psp_load_smu_fw(struct psp_context *psp) 
			&adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];

	struct amdgpu_ras *ras = psp->ras_context.ras;



	/*

	 * Skip SMU FW reloading in case of using BACO for runpm only,

	 * as SMU is always alive.

	 */

	if (adev->in_runpm && (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO))

		return 0;



	if (!ucode->fw || amdgpu_sriov_vf(psp->adev))

		return 0;