lkml.org 
[lkml]   [2014]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH v3 4/4] hyperv-fb: kick off efifb early
Date


> -----Original Message-----
> From: Gerd Hoffmann [mailto:kraxel@redhat.com]
> Sent: Monday, February 24, 2014 8:17 AM
> To: linux-fbdev@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org; gregkh@linuxfoundation.org; KY Srinivasan;
> Abhishek Gupta (LIS); Haiyang Zhang; jasowang@redhat.com;
> tomi.valkeinen@ti.com; devel@linuxdriverproject.org; Gerd Hoffmann; Jean-
> Christophe Plagniol-Villard
> Subject: [PATCH v3 4/4] hyperv-fb: kick off efifb early
>
> Remove firmware framebuffer before initializing hyperv-fb. Needed
> on gen2 virtual machines. Letting register_framebuffer handle the
> switchover results in efifb still being active while hyperv graphics are
> initialized, which in turn can make the linux kernel hang.
>
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
> drivers/video/hyperv_fb.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/video/hyperv_fb.c b/drivers/video/hyperv_fb.c index
> 135d8cd..a570836 100644
> --- a/drivers/video/hyperv_fb.c
> +++ b/drivers/video/hyperv_fb.c
> @@ -683,6 +683,7 @@ static int hvfb_getmem(struct fb_info *info)
> info->apertures->ranges[0].base = pci_resource_start(pdev, 0);
> info->apertures->ranges[0].size = pci_resource_len(pdev, 0);
> }
> + remove_conflicting_framebuffers(info->apertures, "hyperv-fb", false);

Please use KBUILD_MODNAME, so that the naming is consistent.

Thanks,
- Haiyang

>
> info->fix.smem_start = par->mem.start;
> info->fix.smem_len = screen_fb_size;
> --
> 1.8.3.1



\
 
 \ /
  Last update: 2014-02-24 23:41    [W:0.120 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site