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cbgfx: Add portrait screen support 

cbgfx currently does not support portrait screen which height >width.
so add it.

Change-Id: I66fee6d73654e736a2db4a3d191f030c52a23e0d
Signed-off-by: Nickey Yang <nickey.yang@rock-chips.com>
Reviewed-on: https://review.coreboot.org/19474
Tested-by: build bot (Jenkins)
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Nickey Yang 2017-04-27 09:37:20 +08:00 committed by Martin Roth
parent 43d0d0d1f4
commit d0e465456e
1 changed files with 10 additions and 10 deletions
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20
payloads/libpayload/drivers/video/graphics.c
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@ -154,18 +154,18 @@ static int cbgfx_init(void)
screen.offset.x = 0;
screen.offset.y = 0;
/* Calculate canvas size & offset, assuming the screen is landscape */
/* Calculate canvas size & offset. Canvas is always square. */
if (screen.size.height > screen.size.width) {
const int bpl = fbinfo->bytes_per_line;
LOG("Portrait screen not supported, forcing square image!\n");
memset(fbaddr + screen.size.width * bpl, 0,
(screen.size.height - screen.size.width) * bpl);
screen.size.height = screen.size.width;
canvas.size.height = screen.size.width;
canvas.size.width = canvas.size.height;
canvas.offset.x = 0;
canvas.offset.y = (screen.size.height - canvas.size.height) / 2;
} else {
canvas.size.height = screen.size.height;
canvas.size.width = canvas.size.height;
canvas.offset.x = (screen.size.width - canvas.size.width) / 2;
canvas.offset.y = 0;
}
canvas.size.height = screen.size.height;
canvas.size.width = canvas.size.height;
canvas.offset.x = (screen.size.width - canvas.size.width) / 2;
canvas.offset.y = 0;
initialized = 1;
LOG("cbgfx initialized: screen:width=%d, height=%d, offset=%d canvas:width=%d, height=%d, offset=%d\n",