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authorJulius Werner <jwerner@chromium.org>2017-04-13 14:27:20 -0700
committerMartin Roth <martinroth@google.com>2017-04-17 18:12:02 +0200
commit7b58319e9c320426f7dee202bf9201b6628bf958 (patch)
treeb3cf6dc883076ecfad1d6a4d1b0d2db4f0ca7916 /Documentation/AMD-S3.txt
parent1f8a28cbaea7bbebef4f4c626d1f0d094b76b151 (diff)
libpayload: cbgfx: Show square images on portrait displays
CBGFX currently doesn't support portrait screens at all. This will have to be fixed eventually but might take a bit of effort. As a first step to make devices with a portrait panel somewhat usable, this patch will just force a square canvas on these panels and keep the bottom part of the screen black. Also switch set_pixel to calculate framebuffer position via bytes_per_line instead of x_resolution. This is supposed to be the canonical way to do that and may differ in cases where the display controller requires a certain alignment from framebuffer lines. Change-Id: I47dd3bf95ab8a7d8b7e1913e0ddab346eedd46f1 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/19279 Tested-by: build bot (Jenkins) Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
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