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/arm/display/komeda/komeda_drv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c index e7933930a657..4f6d5c2103ec 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c @@ -9,6 +9,7 @@ #include <linux/platform_device.h> #include <linux/component.h> #include <linux/pm_runtime.h> +#include <drm/drm_drv.h> #include <drm/drm_of.h> #include "komeda_dev.h" #include "komeda_kms.h" @@ -117,6 +118,9 @@ static int komeda_platform_probe(struct platform_device *pdev) struct component_match *match = NULL; struct device_node *child; + if (drm_firmware_drivers_only()) + return -EINVAL; + if (!dev->of_node) return -ENODEV; -- 2.33.1
