linux-kernel - Re: [PATCH 1/5] drm/omap: Fix suspend resume regression after platform data removal

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Date:   Wed, 10 Jun 2020 14:47:18 +0300
From:   Tomi Valkeinen <tomi.valkeinen@...com>
To:     Tony Lindgren <tony@...mide.com>
CC:     <linux-omap@...r.kernel.org>, "Andrew F . Davis" <afd@...com>,
        Dave Gerlach <d-gerlach@...com>,
        Faiz Abbas <faiz_abbas@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Keerthy <j-keerthy@...com>, Nishanth Menon <nm@...com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Roger Quadros <rogerq@...com>, Suman Anna <s-anna@...com>,
        Tero Kristo <t-kristo@...com>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <dri-devel@...ts.freedesktop.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH 1/5] drm/omap: Fix suspend resume regression after
 platform data removal

On 09/06/2020 20:10, Tony Lindgren wrote:

>> On beagle-x15 I see these errors after modprobe:
>>
>> DSS: OMAP DSS rev 6.1
>> omapdss_dss 58000000.dss: bound 58001000.dispc (ops dispc_component_ops [omapdss])
>> omapdss_dss 58000000.dss: bound 58040000.encoder (ops hdmi5_component_ops [omapdss])
>> [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>> omapdrm omapdrm.0: [drm] Cannot find any crtc or sizes
>> [drm] Initialized omapdrm 1.0.0 20110917 for omapdrm.0 on minor 0
>> omapdrm omapdrm.0: [drm] Cannot find any crtc or sizes
>> aic_dvdd_fixed: disabling
>> ldousb: disabling
>>
>> Maybe I'm missing some related module on x15?
> 
> Still did not figure what I might be missing on x15 :)

The log above shows that nothing is missing, omapdrm has probed fine. But it cannot see anything 
connected to the hdmi port. Are you booting with correct dtb for your x15 revision? And you have a 
monitor connected? =)

  Tomi

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