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board: gdsys: Enable scrambling on DP501

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For proper displayport performance, scrambling has to be enabled, but
is turned off on DP501 by default.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
This commit is contained in:
Dirk Eibach 2014-07-03 09:28:23 +02:00 committed by Tom Rini
parent 3a990bfaea
commit b415fec65f
1 changed files with 1 additions and 0 deletions
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board/gdsys/common/dp501.c
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@ -61,6 +61,7 @@ void dp501_powerup(u8 addr)
i2c_reg_write(addr, 0x71, 0x20); /* Enable Aux burst write */
dp501_setbits(addr, 0x78, 0x30); /* Disable HPD2 IRQ */
dp501_clrbits(addr, 0x2f, 0x40); /* Link FIFO reset selection */
dp501_clrbits(addr, 0x60, 0x20); /* Enable scrambling */
#ifdef CONFIG_SYS_DP501_VCAPCTRL0
i2c_reg_write(addr, 0x24, CONFIG_SYS_DP501_VCAPCTRL0);