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35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
From ef19ae19f876d9cb04fac10141d23c8ae500f9e7 Mon Sep 17 00:00:00 2001
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From: Andreas Baierl <ichgeh@imkreisrum.de>
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Date: Tue, 26 May 2015 09:18:46 -0400
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Subject: [PATCH 1/9] arm:sunxi:disp: Fix division by zero
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---
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drivers/video/sunxi/disp/disp_video.c | 12 ++++++++----
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1 file changed, 8 insertions(+), 4 deletions(-)
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diff --git a/drivers/video/sunxi/disp/disp_video.c b/drivers/video/sunxi/disp/disp_video.c
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index aa07364..765f6ec 100644
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--- a/drivers/video/sunxi/disp/disp_video.c
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+++ b/drivers/video/sunxi/disp/disp_video.c
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@@ -71,10 +71,14 @@ static __s32 video_enhancement_start(__u32 sel, __u32 id)
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/* !!! assume open HDMI before video start */
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if (gdisp.screen[sel].output_type == DISP_OUTPUT_TYPE_HDMI) {
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scaler_index = gdisp.screen[sel].layer_manage[id].scaler_index;
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- scaleuprate =
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- gdisp.screen[sel].layer_manage[id].para.scn_win.width *
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- 2 /
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- gdisp.screen[sel].layer_manage[id].para.src_win.width;
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+
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+ if ((gdisp.screen[sel].layer_manage[id].para.scn_win.width ==
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+ gdisp.screen[sel].layer_manage[id].para.src_win.width) ||
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+ (gdisp.screen[sel].layer_manage[id].para.src_win.width < 1280))
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+ scaleuprate = 0;
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+ else
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+ scaleuprate = gdisp.screen[sel].layer_manage[id].para.scn_win.width * 2 /
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+ gdisp.screen[sel].layer_manage[id].para.src_win.width;
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switch (scaleuprate) {
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case 0: /* scale down, do noting */
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--
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2.7.0
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