According to disable Documentation/admin-guide/kernel-parameters.txt, this parameter can be used to disable kernel modesetting. DRM drivers will not perform display-mode changes or accelerated rendering and only the systewm system framebuffer will be available if it was set-up. But only a few DRM drivers currently check for nomodeset, make this driver to also support the command line parameter. Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> --- drivers/gpu/drm/imx/dcss/dcss-drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/imx/dcss/dcss-drv.c b/drivers/gpu/drm/imx/dcss/dcss-drv.c index 8dc2f85c514b..5be591da7389 100644 --- a/drivers/gpu/drm/imx/dcss/dcss-drv.c +++ b/drivers/gpu/drm/imx/dcss/dcss-drv.c @@ -38,6 +38,9 @@ static int dcss_drv_platform_probe(struct platform_device *pdev) int err = 0; bool hdmi_output = true; + if (drm_firmware_drivers_only()) + return -ENODEV; + if (!dev->of_node) return -ENODEV; -- 2.33.1
