Re: [PATCH] x86/efi: Add EFI framebuffer earlyprintk support

[Peter Jones]

On Thu, Oct 10, 2013 at 07:28:44PM +0200, Ingo Molnar wrote:
> 
> Is a non-32-bit framebuffer a possibility? If yes then it might be nice to 
> emit an informative printk() here, so that users who try to enable EFI 
> early-printk can at least see why it's not working. (Assuming they get to 
> look at regular printk output, on a safe/working kernel.)

Not really - the spec allows RGBx, BGRx, and for custom bit masks, but
they're define like:

typedef struct {
	UINT32 RedMask;
	UINT32 GreenMask;
	UINT32 BlueMask;
	UINT32 ReservedMask;
} EFI_PIXEL_BITMASK;

-- 
        Peter
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