[PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer Driver
Olaf Hering
olaf at aepfle.de
Tue Feb 19 16:51:18 UTC 2013
On Fri, Feb 15, Haiyang Zhang wrote:
> @@ -508,6 +544,18 @@ static int __init vesafb_init(void)
> int ret;
> char *option = NULL;
>
> +#if IS_ENABLED(CONFIG_HYPERV_FB)
> + /*
> + * On Hyper-V both the emulated and synthetic video devices are
> + * available. To avoid conflicts, we disable vesafb for the emulated
> + * video if hyperv_fb is configured.
> + */
> + if (is_hyperv()) {
> + pr_info("Disabled vesafb on Hyper-V.\n");
> + return -ENODEV;
> + }
> +#endif
What is the reason for this hook? Is it not possible to claim the
display like its appearently done by other drivers (like radeonfb can
take over display from vesafb)?
Olaf
More information about the devel
mailing list