According to Documentation/admin-guide/kernel-parameters.txt, this parameter can be used to disable kernel modesetting.
Signed-off-by: Ludovic Desroches <[email protected]> Reviewed-by: Dharma Balasubiramani <[email protected]> Reviewed-by: Manikandan Muralidharan <[email protected]> --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 8ed029381c555db10d596efc8d52753c47767633..8ff582a394794aacf84f9e23fd59f123445926a3 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -858,6 +858,9 @@ static int atmel_hlcdc_dc_drm_probe(struct platform_device *pdev) struct drm_device *ddev; int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + dc = devm_drm_dev_alloc(&pdev->dev, &atmel_hlcdc_dc_driver, struct atmel_hlcdc_dc, dev); if (IS_ERR(dc)) return PTR_ERR(dc); -- 2.51.0
