x86, EFI: Calculate the EFI framebuffer size instead of trusting the firmware

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Seth Forshee reported that his system was reporting that the EFI framebuffer
stretched from 0x90010000-0xb0010000 despite the GPU's BAR only covering
0x90000000-0x9ffffff. It's safer to calculate this value from the pixel
stride and screen height (values we already depend on) rather than face
potential problems with resource allocation later on.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Tested-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>

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Matthew Garrett 2012-07-27 17:20:49 -04:00 • committed by Matt Fleming

parent f462ed939d

commit e9b10953ed

1 changed files with 2 additions and 1 deletions

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arch/x86/boot/compressed/eboot.c

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