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/exynos/exynos_drm_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index d8f1cf4d6b69..f9f10413a4f2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -464,6 +464,9 @@ static int exynos_drm_init(void) { int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + ret = exynos_drm_register_devices(); if (ret) return ret; -- 2.33.1