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ENGR00120370 v4l2 output: fix display fail for blank fb during video play

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1. Blank BG during video play on FG:
./mxc_v4l2_output.out -iw 320 -ih 240 -ow 1024 -oh 768 -d 3 qvga.yuv
echo 1 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb0/blank

2. The same input and output (ic_bypass):
./mxc_v4l2_output.out -iw 320 -ih 240 -ow 320 -oh 240 -d 3 qvga.yuv
echo 1 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb0/blank

Signed-off-by: Jason Chen <b02280@freescale.com>
This commit is contained in:
Jason Chen
2010-01-25 10:38:07 +08:00
committed by Matt Sealey
parent bd50dbbbaa
commit 6a73a12e8e
5 changed files with 107 additions and 52 deletions
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4
include/linux/ipu.h
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@@ -1,5 +1,5 @@
/*
* Copyright 2005-2009 Freescale Semiconductor, Inc.
* Copyright 2005-2010 Freescale Semiconductor, Inc.
*/
/*
@@ -895,6 +895,8 @@ int32_t ipu_link_channels(ipu_channel_t src_ch, ipu_channel_t dest_ch);
int32_t ipu_unlink_channels(ipu_channel_t src_ch, ipu_channel_t dest_ch);
int32_t ipu_is_channel_busy(ipu_channel_t channel);
void ipu_clear_buffer_ready(ipu_channel_t channel, ipu_buffer_t type,
uint32_t bufNum);
int32_t ipu_enable_channel(ipu_channel_t channel);
int32_t ipu_disable_channel(ipu_channel_t channel, bool wait_for_stop);
int32_t ipu_swap_channel(ipu_channel_t from_ch, ipu_channel_t to_ch);