Re: [PATCH] drm/i915: Add primary plane to mask if it's visible

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On Wed, 23 Sep 2015, Daniel Vetter <daniel@xxxxxxxx> wrote:
> On Tue, Sep 15, 2015 at 02:28:54PM +0200, Maarten Lankhorst wrote:
>> This fixes the warnings like
>> 
>> "plane A assertion failure, should be disabled but not"
>> 
>> that on the initial modeset during boot. This can happen if
>> the primary plane is enabled by the firmware, but inheriting
>> it fails because the DMAR is active or for other reasons.
>> 
>> Reported-By: Andreas Reis <andreas.reis@xxxxxxxxx>
>> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91429
>> Reported-and-Tested-by: Emil Renner Berthing <kernel@xxxxxxxx>
>
> Tested-by: Andreas Reis <andreas.reis@xxxxxxxxx>
> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
>
> Most likely caused by
>
> commit 36750f284b3a4f19b304fda1bb7d6e9e1275ea8d
> Author: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Date:   Mon Jun 1 12:49:54 2015 +0200
>
>     drm/i915: update plane state during init
>
> which is in 4.3, so this of for Jani.

What's the deal with this patch wrt

commit f9cd7b881a042dcc8f1b1236ecea6deb3eb4d5bd
Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Date:   Thu Sep 10 18:59:08 2015 +0300

    drm/i915: Move sprite/cursor plane disable to intel_sanitize_crtc()

i.e. do we need a different patch for drm-intel-next-queued?

BR,
Jani.


> -Daniel
>
>> ---
>> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>> index ca9278be49f7..05c57e6a0e43 100644
>> --- a/drivers/gpu/drm/i915/intel_display.c
>> +++ b/drivers/gpu/drm/i915/intel_display.c
>> @@ -15087,9 +15087,12 @@ static void readout_plane_state(struct intel_crtc *crtc,
>>  
>>  		plane_state = to_intel_plane_state(p->base.state);
>>  
>> -		if (p->base.type == DRM_PLANE_TYPE_PRIMARY)
>> +		if (p->base.type == DRM_PLANE_TYPE_PRIMARY) {
>>  			plane_state->visible = primary_get_hw_state(crtc);
>> -		else {
>> +			if (plane_state->visible)
>> +				crtc->base.state->plane_mask |=
>> +					1 << drm_plane_index(&p->base);
>> +		} else {
>>  			if (active)
>>  				p->disable_plane(&p->base, &crtc->base);
>>  
>> 
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

-- 
Jani Nikula, Intel Open Source Technology Center
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