linux-kernel - Re: [PATCH 3/3] fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.

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Date:	Fri, 4 Dec 2009 08:35:49 +0800
From:	Jaya Kumar <jayakumar.lkml@...il.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	damm@...nsource.se, linux-kernel@...r.kernel.org,
	armbru@...hat.com, jeremy@...p.org
Subject: Re: [PATCH 3/3] fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed 
	framebuffers.

On Thu, Dec 3, 2009 at 11:31 PM, Konrad Rzeszutek Wilk
<konrad.wilk@...cle.com> wrote:
> The framebuffers (screenbase) these drivers present are actually
> vmalloc-ed pages. There is no need for them to have the VM_IO flag set.
> ---
>  drivers/video/broadsheetfb.c |    2 +-
>  drivers/video/hecubafb.c     |    2 +-
>  drivers/video/metronomefb.c  |    2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
> index 509cb92..df9ccb9 100644
> --- a/drivers/video/broadsheetfb.c
> +++ b/drivers/video/broadsheetfb.c
> @@ -470,7 +470,7 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
>        par->read_reg = broadsheet_read_reg;
>        init_waitqueue_head(&par->waitq);
>
> -       info->flags = FBINFO_FLAG_DEFAULT;
> +       info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
>
>        info->fbdefio = &broadsheetfb_defio;
>        fb_deferred_io_init(info);
> diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c
> index 0b4bffb..f9d77ad 100644
> --- a/drivers/video/hecubafb.c
> +++ b/drivers/video/hecubafb.c
> @@ -253,7 +253,7 @@ static int __devinit hecubafb_probe(struct platform_device *dev)
>        par->send_command = apollo_send_command;
>        par->send_data = apollo_send_data;
>
> -       info->flags = FBINFO_FLAG_DEFAULT;
> +       info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
>
>        info->fbdefio = &hecubafb_defio;
>        fb_deferred_io_init(info);
> diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c
> index df1f757..661bfd2 100644
> --- a/drivers/video/metronomefb.c
> +++ b/drivers/video/metronomefb.c
> @@ -700,7 +700,7 @@ static int __devinit metronomefb_probe(struct platform_device *dev)
>        if (retval < 0)
>                goto err_free_irq;
>
> -       info->flags = FBINFO_FLAG_DEFAULT;
> +       info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
>
>        info->fbdefio = &metronomefb_defio;
>        fb_deferred_io_init(info);
> --
> 1.6.2.5
>
>


Looks good to me. Thanks.

Acked-by: Jaya Kumar <jayakumar.lkml@...il.com>
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