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[01/11] x86: sysfb: fool-proof CONFIG_X86_SYSFB

Message ID 1390486503-1504-2-git-send-email-dh.herrmann@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

David Herrmann Jan. 23, 2014, 2:14 p.m. UTC
Turns out, people do not read help-texts of new config-options and enable
them nonetheless. So several reports came in with X86_SYSFB=y and
FB_SIMPLE=n, which in almost all situations prevents firmware-fbs from
being probed.

X86_SYSFB clearly states that it turns legacy vesa/efi framebuffers into a
format compatible to simplefb (and does nothing else..). So to avoid
further complaints about missing gfx-support during boot, simply depend on
FB_SIMPLE now.
As FB_SIMPLE is disabled by default and usually only enabled on selected
ARM architectures, x86 users should thus never see the X86_SYSFB
config-option. And if they do, everything is fine as simplefb will be
available.

Note that most of the sysfb code is enabled independently of X86_SYSFB.
The config option only selects a compatibility mode for simplefb. It was
introduced to ease the transition to SimpleDRM and disabling fbdev. As
this is still ongoing, there's no need for non-developers to care for
X86_SYSFB so we can safely hide it behind FB_SIMPLE.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0952ecd..098228e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2299,6 +2299,7 @@  source "drivers/rapidio/Kconfig"
 
 config X86_SYSFB
 	bool "Mark VGA/VBE/EFI FB as generic system framebuffer"
+	depends on FB_SIMPLE
 	help
 	  Firmwares often provide initial graphics framebuffers so the BIOS,
 	  bootloader or kernel can show basic video-output during boot for