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staging: fbtft: fbtft-core: Fix last line displayed on fbcon 

For the special case when fbtft_mkdirty() is called with with -1 for the y
coordinate, the height is truncated by 1.

This isn't required, and causes the last line to not update.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20191011112441.31003-1-alexandru.ardelean@analog.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Hennerich 2019-10-11 14:24:41 +03:00 committed by Greg Kroah-Hartman
parent f152f52c30
commit 91d6f911b3
1 changed files with 1 additions and 1 deletions
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drivers/staging/fbtft/fbtft-core.c
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@ -317,7 +317,7 @@ static void fbtft_mkdirty(struct fb_info *info, int y, int height)
/* special case, needed ? */
if (y == -1) {
y = 0;
height = info->var.yres - 1;
height = info->var.yres;
}
/* Mark display lines/area as dirty */