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/etnaviv/etnaviv_drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index 7dcc6392792d..58b092248f7b 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -635,6 +635,9 @@ static int __init etnaviv_init(void) int ret; struct device_node *np;
+ if (drm_firmware_drivers_only()) + return -ENODEV; + etnaviv_validate_init();
ret = platform_driver_register(&etnaviv_gpu_driver);