[PATCH v5 2/2] hyperv-fb: kick off efifb early
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STALE4605d
From: Gerd Hoffmann <kraxel@redhat.com>
Date: 2014-02-26 10:51:59
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Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
Revision v5 of 2 in this series.
Revisions (2)
- v1 [diff vs current]
- v5 current
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