[U-Boot] [PATCH 1/1] efi_loader: correctly support parameter delta in Blt

Ivan Gorinov ivan.gorinov at intel.com
Thu Mar 15 17:14:02 UTC 2018


On Thu, 2018-03-15 at 11:19 +0100, Alexander Graf wrote:
> In the Blt service of the EFI_GRAPHICS_OUTPUT_PROTOCOL the parameter delta
> > is measured in bytes and not in pixels.
> > 
> > The coding only supports delta being a multiple of four. The UEFI
> > specification does not explicitly require this but as pixels have a size of
> > four bytes we should be able to assume four byte alignment.
> > 
> > The corresponding unit test is corrected, too. It can be launched with
> > 
> > 	setenv efi_selftest block image transfer
> > 	bootefi selftest
> > 
> > Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> I can verify that this makes grub GOP work again :)

Kernelflinger works too.



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