drm/amdgpu/swSMU: set AC/DC mode based on the current system state (v2) (75610fdd) · Commits · 戴 / test

Check of the pointer exists and we are actually on AC power. v2: fix error message to reflect AC/DC mode. Bug: https://gitlab.freedesktop.org/drm/amd/issues/1043 Reviewed-by:

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

+6 −6

Original line number	Diff line number	Diff line
		@@ -1155,17 +1155,17 @@ static int smu_smc_table_hw_init(struct smu_context *smu,
		}
		}

		if (adev->asic_type >= CHIP_NAVI10 &&
		adev->asic_type <= CHIP_NAVI12) {
		if (smu->ppt_funcs->set_power_source) {
		/*
		* For Navi1X, manually switch it to AC mode as PMFW
		* may boot it with DC mode.
		* TODO: should check whether we are indeed under AC
		* mode before doing this.
		*/
		if (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 AC mode!\n");
		pr_err("Failed to switch to %s mode!\n", adev->pm.ac_power ? "AC" : "DC");
		return ret;
		}
		}