From: Kamal Mostafa <kamal@whence.com>
To: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>,
linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] fbcon: clear the logo bitmap from the margin area
Date: Fri, 14 Dec 2012 20:30:15 +0000 [thread overview]
Message-ID: <1355517015-4926-1-git-send-email-kamal@whence.com> (raw)
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>
---
drivers/video/console/fbcon.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 8745637..b51a4bd 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1236,8 +1236,16 @@ 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 */
--
1.7.10.4
reply other threads:[~2012-12-14 20:30 UTC|newest]
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