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authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>2015-11-17 04:38:15 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2015-12-15 15:41:23 +0200
commit1c639baeafa5fe40e6b6e6ee99e9ddd29986fba1 (patch)
tree0842dd397b8615ce20dfdfe7b4cfca4abb3dc886 /drivers
parent24ed78dc2e8b2428eccc70c3162e70d33ab448c4 (diff)
downloadop-kernel-dev-1c639baeafa5fe40e6b6e6ee99e9ddd29986fba1.zip
op-kernel-dev-1c639baeafa5fe40e6b6e6ee99e9ddd29986fba1.tar.gz
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 <dbaryshkov@gmail.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/fbdev/riva/fbdev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c
index f1ad274..2ef26ad 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)
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