From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carlos Palminha Date: Wed, 30 Dec 2015 18:53:14 +0000 Subject: Whats missing in my new FB DRM driver... "No connectors reported connected with modes"? Message-Id: <5684281A.7040300@synopsys.com> List-Id: References: <5684268E.2000607@synopsys.com> In-Reply-To: <5684268E.2000607@synopsys.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: laurent.pinchart@ideasonboard.com, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org Cc: tomi.valkeinen@ti.com, CARLOS.PALMINHA@synopsys.com 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? 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 --- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carlos Palminha Subject: Whats missing in my new FB DRM driver... "No connectors reported connected with modes"? Date: Wed, 30 Dec 2015 18:53:14 +0000 Message-ID: <5684281A.7040300@synopsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from smtprelay.synopsys.com (us01smtprelay-2.synopsys.com [198.182.60.111]) by gabe.freedesktop.org (Postfix) with ESMTPS id 98B01892F3 for ; Wed, 30 Dec 2015 10:53:19 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: laurent.pinchart@ideasonboard.com, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org Cc: tomi.valkeinen@ti.com, CARLOS.PALMINHA@synopsys.com List-Id: dri-devel@lists.freedesktop.org SGkgZ3V5cywKCkknbSB3cml0aW5nIGEgRFJNIGRyaXZlciBmb3IgYSBmcmFtZWJ1ZmZlciBlbWJl ZGRlZCBoYXJkd2FyZSB0aGF0IHVzZXMgCmFuIGkyYyBlbmNvZGVyIChhZHY3NTExKSwgZm9sbG93 aW5nIHRoZSBiYXNpYyBzdGVwcyBzdWdnZXN0ZWQgYnkgTGF1cmVudCAKaW4gImFuYXRvbXkgb2Yg YW4gZW1iZWRkZWQgS01TIGRyaXZlciI6IApodHRwczovL3d3dy55b3V0dWJlLmNvbS93YXRjaD92 PUphOGZNN3JUYWU0CgpBZnRlciBpbml0aWxpYXppbmcgYWxsIGttcywgY3J0YywgZW5jb2Rlciwg aTJjLCBjb25uZWN0b3IgZnVuY3Rpb25zIGFuZCAKc3RydWN0dXJlcyBpJ20gY2FsbGluZyBkcm1f ZmJkZXZfY21hX2luaXQgdG8gY3JlYXRlIGEgZmJkZXYuCgpXaGVuIGJvb3RpbmcgaSdtIGdldHRp bmcgYW4gZXJyb3IgbWVzc2FnZSBzYXlpbmcgIk5vIGNvbm5lY3RvcnMgcmVwb3J0ZWQgCmNvbm5l Y3RlZCB3aXRoIG1vZGVzIiwgYnV0IHRoZSBkcml2ZXIgaW5pdCBpcyBvayBhbmQgaSBjYW4gZmlu ZCB0aGUgCi9kZXYvZHJpLyogYW5kIC9kZXYvZmIwIGRldmljZXMuCgpBbnkgY2x1ZSB3aGF0IGkg bWlnaHQgYmUgbWlzc2luZyBkdXJpbmcgdGhlIGRyaXZlciBsb2FkPwoKVGhhbmtzLi4uCgpSZWdh cmRzLApDLlBhbG1pbmhhCgotLS0gYm9vdCBsb2cgc25pcHBldCAtLS0KW2RybV0gSW5pdGlhbGl6 ZWQgZHJtIDEuMS4wIDIwMDYwODEwCmRybS1hcmNwZ3UgZTAwMTcwMDAucGd1OiBObyBjb25uZWN0 b3JzIHJlcG9ydGVkIGNvbm5lY3RlZCB3aXRoIG1vZGVzCltkcm1dIENhbm5vdCBmaW5kIGFueSBj cnRjIG9yIHNpemVzIC0gZ29pbmcgMTAyNHg3NjgKQ29uc29sZTogc3dpdGNoaW5nIHRvIGNvbG91 ciBmcmFtZSBidWZmZXIgZGV2aWNlIDEyOHg0OApkcm0tYXJjcGd1IGUwMDE3MDAwLnBndTogZmIw OiAgZnJhbWUgYnVmZmVyIGRldmljZQpbZHJtXSBJbml0aWFsaXplZCBkcm0tYXJjcGd1IDEuMC4w IDIwMTUxMTI3IG9uIG1pbm9yIDAKLS0tIGJvb3QgbG9nIHNuaXBwZXQgLS0tCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxp c3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==