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 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 Reviewed-by: Linus Walleij linus.walleij@linaro.org ---
(no changes since v1)
drivers/gpu/drm/mcde/mcde_drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index 5b5afc6aaf8e..0b2910e69b42 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -491,6 +491,9 @@ static int __init mcde_drm_register(void) { int ret;
+ if (drm_firmware_drivers_only()) + return -ENODEV; + ret = platform_register_drivers(component_drivers, ARRAY_SIZE(component_drivers)); if (ret)