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@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
(no changes since v1)
drivers/gpu/drm/mcde/mcde_drv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index 5b5afc6aaf8e..0b2910e69b42 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -491,6 +491,9 @@ static int __init mcde_drm_register(void)
{
int ret;
+ if (drm_firmware_drivers_only())
+ return -ENODEV;
+
ret = platform_register_drivers(component_drivers,
ARRAY_SIZE(component_drivers));
if (ret)
--
2.33.1
