From 1c639baeafa5fe40e6b6e6ee99e9ddd29986fba1 Mon Sep 17 00:00:00 2001 From: Dmitry Eremin-Solenikov Date: Tue, 17 Nov 2015 04:38:15 +0300 Subject: video: fbdev: rivafb: unlock chip before probiding EDID At least NV3 requires for chip to be unlocked before it is possible to access I2C registers. Without it, it is not possible to read EDID. Signed-off-by: Dmitry Eremin-Solenikov Signed-off-by: Tomi Valkeinen --- drivers/video/fbdev/riva/fbdev.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/video/fbdev/riva') diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c index f1ad2747064b..2ef26ad99341 100644 --- a/drivers/video/fbdev/riva/fbdev.c +++ b/drivers/video/fbdev/riva/fbdev.c @@ -1765,6 +1765,7 @@ static int riva_get_EDID_i2c(struct fb_info *info) int i; NVTRACE_ENTER(); + par->riva.LockUnlock(&par->riva, 0); riva_create_i2c_busses(par); for (i = 0; i < 3; i++) { if (!par->chan[i].par) -- cgit v1.2.3