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video: fbdev: rivafb: unlock chip before probiding EDID

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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 <dbaryshkov@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2015-11-17 04:38:15 +03:00 committed by Tomi Valkeinen
parent 24ed78dc2e
commit 1c639baeaf
1 changed files with 1 additions and 0 deletions
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1
drivers/video/fbdev/riva/fbdev.c
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@ -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)