Hi Bruno, > So it would need to at least be select VGA_ARB if (PCI && !S390) > in order to not have broken kernel configuration (in more or less > exotic cases) while depends on VGA_ARB would be the only correct option > if the rule 'select only allowed for leafs' is enforced. Here is a tested patch that does just that, thanks for the suggestion. Henrik >From 43c16bbc7adbcb17aac73d09f046bf2779771c4c Mon Sep 17 00:00:00 2001 From: Henrik Rydberg <rydberg@xxxxxxxxxxx> Date: Fri, 14 Nov 2014 20:01:21 +0100 Subject: [PATCH v2] x86, ia64: Do not lose track of the EFI default VGA device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Since commit 20cde694 in the 3.17 merge window, the EFI framebuffer depends on the VGA arbitration layer. However, the configuration does not reflect this, which leads to a hard-to-find bug when FB_EFI is configured without VGA_ARB. Add a select clause to remedy this. Cc: Bruno Prémont <bonbons@xxxxxxxxxxxxxxxxx> Signed-off-by: Henrik Rydberg <rydberg@xxxxxxxxxxx> --- drivers/video/fbdev/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index c7bf606..1615a1b 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -761,6 +761,7 @@ config FB_EFI select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select VGA_ARB if (PCI && !S390) help This is the EFI frame buffer device driver. If the firmware on your platform is EFI 1.10 or UEFI 2.0, select Y to add support for -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html