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fbcon: clear the logo bitmap from the margin area

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Explicitly clear_margins when clearing the logo, in case the font dimensions
are non-integral to the framebuffer dimensions.

Signed-off-by: Kamal Mostafa <kamal@whence.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kamal Mostafa 2013-02-21 16:42:07 -08:00 committed by Linus Torvalds
parent 42b5dd5193
commit 256fc0e57d
1 changed files with 9 additions and 1 deletions
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10
drivers/video/console/fbcon.c
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@ -1242,8 +1242,16 @@ static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
if (!height || !width)
return;
if (sy < vc->vc_top && vc->vc_top == logo_lines)
if (sy < vc->vc_top && vc->vc_top == logo_lines) {
vc->vc_top = 0;
/*
* If the font dimensions are not an integral of the display
* dimensions then the ops->clear below won't end up clearing
* the margins. Call clear_margins here in case the logo
* bitmap stretched into the margin area.
*/
fbcon_clear_margins(vc, 0);
}
/* Split blits that cross physical y_wrap boundary */