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ENGR00175700 System hang when change HDMI from XGA to 1080P with display blank
authorSandor Yu <R01008@freescale.com>
Wed, 29 Feb 2012 10:09:00 +0000 (18:09 +0800)
committerOliver Wendt <ow@karo-electronics.de>
Mon, 30 Sep 2013 12:11:12 +0000 (14:11 +0200)
commit18e29d6bf9bf9a37bc0e99eeb8eb1e8b530023a4
tree1fe789956b45b5a3b3d2979afc4406eac912c4eetree | snapshot
parent8bafbd231dff881f59779da9b0e1b2038498240acommit | diff
ENGR00175700 System hang when change HDMI from XGA to 1080P with display blank

Change the vide mode from XGA to 1080P when display blank,
the system will hang.

It is cause by overflow interrupt will trigger when the video mode change,
but clean the interrupt status bit depend on pixewl clock.
In blank state the pixel clock is gating so the HDMI PHY can't work.

Signed-off-by: Sandor Yu <R01008@freescale.com>
drivers/video/mxc_hdmi.c diff | blob | history
Linux kernel for KaRo TX COM modules