Disable runtime power management on several sienna cichlid cards, otherwise SMU will possibly fail to be resumed from runtime suspend. Will drop this after a clean solution between kernel driver and SMU FW is available. amdgpu 0000:63:00.0: amdgpu: GECC is enabled amdgpu 0000:63:00.0: amdgpu: SECUREDISPLAY: securedisplay ta ucode is not available amdgpu 0000:63:00.0: amdgpu: SMU is resuming... amdgpu 0000:63:00.0: amdgpu: SMU: I'm not done with your command: SMN_C2PMSG_66:0x0000000E SMN_C2PMSG_82:0x00000080 amdgpu 0000:63:00.0: amdgpu: Failed to SetDriverDramAddr! amdgpu 0000:63:00.0: amdgpu: Failed to setup smc hw! [drm:amdgpu_device_ip_resume_phase2 [amdgpu]] *ERROR* resume of IP block <smu> failed -62 amdgpu 0000:63:00.0: amdgpu: amdgpu_device_ip_resume failed (-62) v2: seperate to a function. Signed-off-by: Guchun Chen <guchun.chen@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 262938f0dfdb..1bf8ff71b6b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -43,6 +43,17 @@ #include "amdgpu_display.h" #include "amdgpu_ras.h" +static void amdgpu_runtime_pm_quirk(struct amdgpu_device *adev) +{ + /* + * Add below quirk on several sienna_cichlid cards to disable + * runtime pm to fix EMI failures. + */ + if (((adev->pdev->device == 0x73A1) && (adev->pdev->revision == 0x00)) || + ((adev->pdev->device == 0x73BF) && (adev->pdev->revision == 0xCF))) + adev->runpm = false; +} + void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev) { struct amdgpu_gpu_instance *gpu_instance; @@ -180,6 +191,9 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags) */ if (adev->is_fw_fb) adev->runpm = false; + + amdgpu_runtime_pm_quirk(adev); + if (adev->runpm) dev_info(adev->dev, "Using BACO for runtime pm\n"); } -- 2.17.1