On Thu, Dec 16, 2021 at 4:38 PM Javier Martinez Canillas
<javierm@xxxxxxxxxx> wrote:
>
> 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>
> ---
Acked-by: Deepak Rawat <drawat.floss@xxxxxxxxx>
>
> (no changes since v1)
>
> drivers/gpu/drm/hyperv/hyperv_drm_drv.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
> index 00e53de4812b..4a8941fa0815 100644
> --- a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
> +++ b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
> @@ -305,6 +305,9 @@ static int __init hyperv_init(void)
> {
> int ret;
>
> + if (drm_firmware_drivers_only())
> + return -ENODEV;
> +
> ret = pci_register_driver(&hyperv_pci_driver);
> if (ret != 0)
> return ret;
> --
> 2.33.1
>
