On 17/11/15 03:38, Dmitry Eremin-Solenikov wrote:
> 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@xxxxxxxxx>
> ---
> drivers/video/fbdev/riva/fbdev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> 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)
>
Thanks, applied for 4.5.
Tomi
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