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authorJavier Martinez Canillas <javierm@redhat.com>2021-12-17 03:37:45 +0300
committerJavier Martinez Canillas <javierm@redhat.com>2022-01-27 21:15:49 +0300
commit7fd7d70181b3796e456bef38397caf947b7de061 (patch)
tree6ad4236e65f91c767d87794381d395454b885454 /drivers/gpu/drm/omapdrm
parent5d40a4b8d824e346bb5db96d651f2f5c57953d63 (diff)
downloadlinux-7fd7d70181b3796e456bef38397caf947b7de061.tar.xz
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 <javierm@redhat.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-31-javierm@redhat.com
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
-rw-r--r--drivers/gpu/drm/omapdrm/omap_drv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index 2720a58ccd90..eaf67b9e5f12 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))