drm/amdgpu: Allow the driver to load if amdgpu.powerplay=1 on asics without powerplay support

Avoid setting pp_enabled if there is no powerplay implementation.
Signed-off-by: NJordan Lazare <Jordan.Lazare@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -101,10 +101,21 @@ static int amdgpu_pp_early_init(void *handle)
 	switch (adev->asic_type) {
 	case CHIP_TONGA:
 	case CHIP_FIJI:
+		adev->pp_enabled = (amdgpu_powerplay == 0) ? false : true;
+		break;
+	case CHIP_CARRIZO:
+	case CHIP_STONEY:
 		adev->pp_enabled = (amdgpu_powerplay > 0) ? true : false;
 		break;
+	/* These chips don't have powerplay implemenations */
+	case CHIP_BONAIRE:
+	case CHIP_HAWAII:
+	case CHIP_KABINI:
+	case CHIP_MULLINS:
+	case CHIP_KAVERI:
+	case CHIP_TOPAZ:
 	default:
-			adev->pp_enabled = (amdgpu_powerplay > 0) ? true : false;
+		adev->pp_enabled = false;
 		break;
 	}
 #else