From b415fec65f9867d851366b0bf17759497ff8b392 Mon Sep 17 00:00:00 2001 From: Dirk Eibach Date: Thu, 3 Jul 2014 09:28:23 +0200 Subject: [PATCH] board: gdsys: Enable scrambling on DP501 For proper displayport performance, scrambling has to be enabled, but is turned off on DP501 by default. Signed-off-by: Dirk Eibach --- board/gdsys/common/dp501.c | 1 + 1 file changed, 1 insertion(+) diff --git a/board/gdsys/common/dp501.c b/board/gdsys/common/dp501.c index 7958bae..7eb15ed 100644 --- a/board/gdsys/common/dp501.c +++ b/board/gdsys/common/dp501.c @@ -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);