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authorNicolin Chen <Guangyu.Chen@freescale.com>2014-04-03 20:36:55 +0800
committerNicolin Chen <Guangyu.Chen@freescale.com>2014-04-03 21:00:55 +0800
commit2917061c498a97e3c3b99ac616b6f3202f8a0499 (patch)
tree3adb31f6ab1c38811a8b46fe91d05e3a53df2217 /drivers/mxc/gpu-viv/hal/kernel/inc/gc_hal_driver.h
parentcb6cd68b00fbb52852101ca2f3bc93ae45310b66 (diff)
ENGR00306875-2 video: mxc_hdmi: Set hdmi cable state a bit earilier
During hdmi hotplug test, there's a possibility that X-server unblanks the frame buffer while HDMI-audio just gets the signal to start playback. Then audio would get an unblanked state right before the playback and bypassed the DMA enabling code. So this issue is caused by the race between unblank and set_cable_state(). This patch sets the hdmi cable state a bit earilier so as to let audio play first. If unblank happens later, the hdmi core and hdmi audio would be robust enough to handle that case as long as it's not racing with the other parts. Acked-by: Sandor Yu <R01008@freescale.com> Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
Diffstat (limited to 'drivers/mxc/gpu-viv/hal/kernel/inc/gc_hal_driver.h')
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