On Wed, 24 May 2017, Daniel Drake <drake@xxxxxxxxxxxx> wrote:
> On Fri, May 5, 2017 at 4:29 AM, Ville Syrjälä
> <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
>> On Thu, May 04, 2017 at 02:52:09PM -0600, Daniel Drake wrote:
>>> On Thu, May 4, 2017 at 2:37 PM, Ville Syrjälä
>>> <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
>>> > Please check if commit bb1d132935c2 ("drm/i915/vbt: split out defaults
>>> > that are set when there is no VBT") fixes things for you.
>>>
>>> I think this is not going to help. This would only make a difference
>>> when there is no VBT at all at which point we would see this message
>>> in the logs:
>>>
>>> DRM_INFO("Failed to find VBIOS tables (VBT)\n");
>>
>> No, the patch will in fact make a difference only when there is a VBT.
>
> We confirmed the mentioned patch fixes the issue. Apologies for
> doubting you :)
Thanks for the follow-up, I made a stable backport request [1] of the
relevant commits to v4.9+.
BR,
Jani.
[1] http://mid.mail-archive.com/87bmqfn9sp.fsf@xxxxxxxxx
--
Jani Nikula, Intel Open Source Technology Center
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