Re: [Intel-gfx] [git pull] drm fixes

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On Wed, 25 Mar 2015, Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx> wrote:
> On Wed, Mar 25, 2015 at 1:17 PM, Daniel Vetter <daniel@xxxxxxxx> wrote:
>> On Wed, Mar 25, 2015 at 12:42:46PM -0400, Josh Boyer wrote:
>>> > I'll try that a bit later today.  Out of sheer curiosity, I folded
>>> > commit5ba76c41e55c (drm/i915: Put update_state_fb() next to the fb
>>> > update) into the patch above and kicked off a build.  The theory is
>>> > that we're picking up a bunch of other changes right in that range of
>>> > commits, why not try one more.  I'll let you know if that fixes
>>> > anything.  Otherwise, I'll try building drm-intel-nightly and/or
>>> > linux-next after that.
>>>
>>> The drm-intel-nightly build finished first.  It boots without HDMI
>>> plugged in, but it has pretty much the same splats as the previous
>>> kernel.  Confused.  Full log here:
>>>
>>> https://jwboyer.fedorapeople.org/pub/intel-nightly.txt
>>>
>>> I don't have much hope for my other build.
>>
>> Yeah that's at least good news for the theory I've been cooking meanwhile.
>> Can you try the below diff (on top of next/nightly)? For the current
>> cherry-pick pile on top of 4.0-rc you'd need to prepend intel_crtc->base.
>> to primary->...
>>
>> Thanks, Daniel
>>
>> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>> index ceb2e61b4c91..cb508542c6ab 100644
>> --- a/drivers/gpu/drm/i915/intel_display.c
>> +++ b/drivers/gpu/drm/i915/intel_display.c
>> @@ -2594,6 +2594,7 @@ intel_find_plane_obj(struct intel_crtc *intel_crtc,
>>
>>                 primary->fb = &plane_config->fb->base;
>>                 primary->state->crtc = &intel_crtc->base;
>> +               primary->crtc = &intel_crtc->base;
>>                 update_state_fb(primary);
>>
>>                 return;
>> @@ -2627,6 +2628,7 @@ intel_find_plane_obj(struct intel_crtc *intel_crtc,
>>                         drm_framebuffer_reference(c->primary->fb);
>>                         primary->fb = c->primary->fb;
>>                         primary->state->crtc = &intel_crtc->base;
>> +                       primary->crtc = &intel_crtc->base;
>>                         update_state_fb(intel_crtc->base.primary);
>>                         obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe);
>>                         break;
>
> Hey, that seems to do the trick on the NUC machine.  Boots without
> HDMI connected and there are no backtraces.  Nice!

I've picked this [1] up for drm-intel-fixes as well. Thanks for the
testing.

BR,
Jani.


[1] http://mid.gmane.org/1427304638-7897-1-git-send-email-daniel.vetter@xxxxxxxx



-- 
Jani Nikula, Intel Open Source Technology Center
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