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From: Xinliang Liu <xinliang.liu@linaro.org>
To: Carlos Palminha <CARLOS.PALMINHA@synopsys.com>
Cc: linux-fbdev@vger.kernel.org, tomi.valkeinen@ti.com,
	laurent.pinchart@ideasonboard.com,
	dri-devel <dri-devel@lists.freedesktop.org>
Subject: Re: Whats missing in my new FB DRM driver... "No connectors reported connected with modes"?
Date: Thu, 31 Dec 2015 10:19:48 +0800	[thread overview]
Message-ID: <CAGd==071hzpQKjLU715tc004NN0d8Z01XdLAhg-DBx1FxtWb2w@mail.gmail.com> (raw)
In-Reply-To: <5684268E.2000607@synopsys.com>


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On 31 December 2015 at 02:46, Carlos Palminha <CARLOS.PALMINHA@synopsys.com>
wrote:

> Hi guys,
>
> I'm writing a DRM driver for a framebuffer embedded hardware that uses an
> i2c encoder (adv7511), following the basic steps suggested by Laurent in
> "anatomy of an embedded KMS driver":
> https://www.youtube.com/watch?v=Ja8fM7rTae4
>
> After initiliazing all kms, crtc, encoder, i2c, connector functions and
> structures i'm calling drm_fbdev_cma_init to create a fbdev.
>
> When booting i'm getting an error message saying "No connectors reported
> connected with modes", but the driver init is ok and i can find the
> /dev/dri/* and /dev/fb0 devices.
>
> Any clue what i might be missing during the driver load?
>

​I think you should check on the 'get_modes'​ call back of adv7511 driver.
(Or, if possible show us the code.)

Best,
-xinliang


>
> Thanks...
>
> Regards,
> C.Palminha
>
> --- boot log snippet ---
> [drm] Initialized drm 1.1.0 20060810
> drm-arcpgu e0017000.pgu: No connectors reported connected with modes
> [drm] Cannot find any crtc or sizes - going 1024x768
> Console: switching to colour frame buffer device 128x48
> drm-arcpgu e0017000.pgu: fb0:  frame buffer device
> [drm] Initialized drm-arcpgu 1.0.0 20151127 on minor 0
> --- boot log snippet ---
> --
> To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in
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>

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  parent reply	other threads:[~2015-12-31  2:19 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-30 18:46 Whats missing in my new FB DRM driver... "No connectors reported connected with modes"? Carlos Palminha
2015-12-30 18:53 ` Carlos Palminha
2015-12-30 18:53   ` Carlos Palminha
2015-12-31  2:19 ` Xinliang Liu [this message]
2016-01-18 14:32   ` Carlos Palminha
2016-01-18 14:32     ` Carlos Palminha
2016-01-18 14:45     ` Carlos Palminha
2016-01-18 14:45       ` Carlos Palminha
2016-01-19  3:38       ` Xinliang Liu
2016-01-19 16:03         ` Carlos Palminha
2016-01-19 16:03           ` Carlos Palminha
2016-01-19 16:52           ` Carlos Palminha
2016-01-19 16:52             ` Carlos Palminha
2016-01-20  1:24             ` Xinliang Liu
2016-01-20  1:24               ` Xinliang Liu
2016-01-21 18:09               ` Carlos Palminha
2016-01-21 18:09                 ` Carlos Palminha
2016-01-21 18:30                 ` Whats missing in my new FB DRM driver in ARC... waiting for console_lock to return Carlos Palminha
2016-01-21 18:30                   ` Carlos Palminha
2016-01-21 18:30                   ` Carlos Palminha
2016-01-22  8:32                   ` Daniel Stone
2016-01-22  8:32                     ` Daniel Stone
2016-01-22  8:32                     ` Daniel Stone
2016-01-28 14:20                   ` Alexey Brodkin
2016-01-28 14:20                     ` Alexey Brodkin
2016-01-28 14:20                     ` Alexey Brodkin
2016-01-28 15:42                     ` Rob Clark
2016-01-28 15:42                       ` Rob Clark
2016-01-28 15:42                       ` Rob Clark
2016-01-22  7:41                 ` Whats missing in my new FB DRM driver... "No connectors reported connected with modes"? Daniel Vetter
2016-01-22  7:41                   ` Daniel Vetter
2016-01-22  8:34                   ` Daniel Stone
2016-01-22  8:34                     ` Daniel Stone

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