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/i810/i810_drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index 0e53a066d4db..7ce268b54a18 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -80,6 +80,9 @@ static struct pci_driver i810_pci_driver = {
static int __init i810_init(void) { + if (drm_firmware_drivers_only()) + return -ENODEV; + if (num_possible_cpus() > 1) { pr_err("drm/i810 does not support SMP\n"); return -EINVAL;