diff options
| author | Javier Martinez Canillas <javierm@redhat.com> | 2021-12-17 01:37:52 +0100 |
|---|---|---|
| committer | Javier Martinez Canillas <javierm@redhat.com> | 2022-01-27 19:15:50 +0100 |
| commit | 9d6bf794084d9258dadf2754d911fcfeb13ea8fc (patch) | |
| tree | 0566000d00d245a9e3f6f719644d263c856b4f5b /drivers/gpu/drm/xen/xen_drm_front.c | |
| parent | 9b71ce89b55565ecce1b189e216048cd1348e36a (diff) | |
| download | linux-stable-9d6bf794084d9258dadf2754d911fcfeb13ea8fc.tar.gz linux-stable-9d6bf794084d9258dadf2754d911fcfeb13ea8fc.tar.bz2 linux-stable-9d6bf794084d9258dadf2754d911fcfeb13ea8fc.zip | |
drm/xen: 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>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-38-javierm@redhat.com
Diffstat (limited to 'drivers/gpu/drm/xen/xen_drm_front.c')
| -rw-r--r-- | drivers/gpu/drm/xen/xen_drm_front.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c index e63088c2121d..0d8e6bd1ccbf 100644 --- a/drivers/gpu/drm/xen/xen_drm_front.c +++ b/drivers/gpu/drm/xen/xen_drm_front.c @@ -495,6 +495,9 @@ static int xen_drm_drv_init(struct xen_drm_front_info *front_info) struct drm_device *drm_dev; int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + DRM_INFO("Creating %s\n", xen_drm_driver.desc); drm_info = kzalloc(sizeof(*drm_info), GFP_KERNEL); |