Snowball: HDMI compatibility issue

[Fang Bao]

Description:
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At first, I connect snowball to Hisense FullHD LCD TV via HDMI cable. There is a no display after booting. Then I have to borrow anther brand TV (Sony). The HDMI output works. I think this is typical HDMI compatibility issue of HDMI firmware.
I tested linaro 12.03.1 ubuntu emmc image and linaro 12.05 ubuntu sdcard image. The results are same. I didn't find this issue on Pandaboard.

I listed the TV details:
1. TV1, Hisense LED24K01, HDMI doesn't work.
2. TV2, Sony KLV-42EX410, HDMI works.

Hardware:
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snowball V10

Software:
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Image URL : http://releases.linaro.org/12.03.1/ubuntu/leb-snowball/snowball_emmc-ubuntu-2012.03.1.img.gz
Used riff tool to flash emmc image on snowball hardware.

Image URL : http://releases.linaro.org/12.05/ubuntu/leb-snowball/
Used dd tool to flash sd image to sdcard and insert it in snowball.

Logs:
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I added the dmesg log in attachment which is from HDMI failure to connect to Hisense TV.