From: Javier Martinez Canillas Date: Fri, 17 Dec 2021 00:37:36 +0000 (+0100) Subject: drm/armada: Add support for the nomodeset kernel parameter X-Git-Tag: v5.18-rc1~134^2~14^2~134 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d593767e6b1d50909ce398b9b07f16eec9d84954;p=thirdparty%2Fkernel%2Flinux.git drm/armada: 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/20211217003752.3946210-22-javierm@redhat.com --- diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index 8e3e98f13db49..4f9b0a9f13e3d 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -273,6 +273,9 @@ static int __init armada_drm_init(void) { int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + ret = platform_driver_register(&armada_lcd_platform_driver); if (ret) return ret;