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@redhat.com ---
drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index b4943a56be09..8748cc5d2069 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -1487,6 +1487,9 @@ static int ingenic_drm_init(void) { int err;
+ if (drm_firmware_drivers_only()) + return -ENODEV; + if (IS_ENABLED(CONFIG_DRM_INGENIC_IPU)) { err = platform_driver_register(ingenic_ipu_driver_ptr); if (err)