From: Javier Martinez Canillas Date: Fri, 17 Dec 2021 00:37:40 +0000 (+0100) Subject: drm/imx: Add support for the nomodeset kernel parameter X-Git-Tag: v6.6.17~3937^2~23^2~3149 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=56dcbfd934ad57a46f2039c8c466a3c56293480a;p=platform%2Fkernel%2Flinux-rpi.git drm/imx: Add support for the nomodeset kernel parameter 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 Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-26-javierm@redhat.com --- diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index cb685fe..a57812e 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -341,6 +341,9 @@ static struct platform_driver * const drivers[] = { static int __init imx_drm_init(void) { + if (drm_firmware_drivers_only()) + return -ENODEV; + return platform_register_drivers(drivers, ARRAY_SIZE(drivers)); } module_init(imx_drm_init);