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authorJavier Martinez Canillas <javierm@redhat.com>2021-12-17 03:37:47 +0300
committerJavier Martinez Canillas <javierm@redhat.com>2022-01-27 21:15:50 +0300
commit09037781c1094cc95a48da220abb23ee9ae92ede (patch)
tree364b1f41b5c1e93e45c2fae00ab4b44e0f50293b /drivers/gpu/drm/rockchip/rockchip_drm_drv.c
parentfce8bfffa23943dfcc2339a748db4f296dc7bea7 (diff)
downloadlinux-09037781c1094cc95a48da220abb23ee9ae92ede.tar.xz
drm/rockchip: 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/20211217003752.3946210-33-javierm@redhat.com
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_drv.c')
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index bec207de4544..ac190e2b1f7a 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -457,6 +457,9 @@ static int __init rockchip_drm_init(void)
{
int ret;
+ if (drm_firmware_drivers_only())
+ return -ENODEV;
+
num_rockchip_sub_drivers = 0;
ADD_ROCKCHIP_SUB_DRIVER(vop_platform_driver, CONFIG_DRM_ROCKCHIP);
ADD_ROCKCHIP_SUB_DRIVER(rockchip_lvds_driver,