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/tidss/tidss_drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c index 7c784e90e40e..5a6ff5af6d26 100644 --- a/drivers/gpu/drm/tidss/tidss_drv.c +++ b/drivers/gpu/drm/tidss/tidss_drv.c @@ -124,6 +124,9 @@ static int tidss_probe(struct platform_device *pdev)
dev_dbg(dev, "%s\n", __func__);
+ if (drm_firmware_drivers_only()) + return -ENODEV; + tidss = devm_drm_dev_alloc(&pdev->dev, &tidss_driver, struct tidss_device, ddev); if (IS_ERR(tidss))