Messages in this thread Patch in this message | | | From | Gerd Hoffmann <> | Subject | [PATCH v5 2/2] hyperv-fb: kick off efifb early | Date | Wed, 26 Feb 2014 11:51:25 +0100 |
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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 | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/video/hyperv_fb.c b/drivers/video/hyperv_fb.c index b7b3dd0..e23392e 100644 --- a/drivers/video/hyperv_fb.c +++ b/drivers/video/hyperv_fb.c @@ -679,6 +679,8 @@ static int hvfb_getmem(struct fb_info *info) if (gen2vm) { info->apertures->ranges[0].base = screen_info.lfb_base; info->apertures->ranges[0].size = screen_info.lfb_size; + remove_conflicting_framebuffers(info->apertures, + KBUILD_MODNAME, false); } else { info->apertures->ranges[0].base = pci_resource_start(pdev, 0); info->apertures->ranges[0].size = pci_resource_len(pdev, 0); -- 1.8.3.1
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