From 7fd7d70181b3796e456bef38397caf947b7de061 Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas Date: Fri, 17 Dec 2021 01:37:45 +0100 Subject: [PATCH] drm/omap: 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/20211217003752.3946210-31-javierm@redhat.com --- drivers/gpu/drm/omapdrm/omap_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 2720a58..eaf67b9 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -727,6 +727,9 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) DBG("%s", dev_name(dev)); + if (drm_firmware_drivers_only()) + return -ENODEV; + /* Allocate and initialize the DRM device. */ ddev = drm_dev_alloc(&omap_drm_driver, dev); if (IS_ERR(ddev)) -- 2.7.4