From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Date: Wed, 16 Feb 2011 14:36:36 +0000 Subject: Re: [PATCH 0/2] Add recommended bpp for omap dss2 generic dpi Message-Id: <1297866996.988.69.camel@deskari> List-Id: References: <1297530130-10355-1-git-send-email-daniel.morsing@gmail.com> <1297861914.988.1.camel@deskari> <1297865193.8777.8.camel@morsing> In-Reply-To: <1297865193.8777.8.camel@morsing> MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1254" Content-Transfer-Encoding: base64 To: Daniel Morsing Cc: Tony Lindgren , Bryan Wu , "linux-fbdev@vger.kernel.org" , "linux-omap@vger.kernel.org" T24gV2VkLCAyMDExLTAyLTE2IGF0IDA4OjA2IC0wNjAwLCBEYW5pZWwgTW9yc2luZyB3cm90ZToK PiBIaSBUb21pCj4gCj4gT24gV2VkLCAyMDExLTAyLTE2IGF0IDE1OjExICswMjAwLCBUb21pIFZh bGtlaW5lbiB3cm90ZToKPiA+IEhpLAo+ID4gCj4gPiBPbiBTYXQsIDIwMTEtMDItMTIgYXQgMTE6 MDIgLTA2MDAsIERhbmllbCBNb3JzaW5nIHdyb3RlOgo+ID4gPiBUaGUgcGFuZWwgYWRkZWQgaXMg dGhlIDQuMyBpbmNoIGRpc3BsYXkgdGhhdCBpcyBzb2xkIHdpdGggdGhlCj4gPiA+IERldmtpdDgw MDAuCj4gPiAKPiA+IEhtbS4gRGV2a2l0ODAwMCdzIHBhbmVsIGlzIGNvbm5lY3RlZCB3aXRoIDI0 IGRhdGFsaW5lcywgYWNjb3JkaW5nIHRvIHRoZQo+ID4gYm9hcmQgZmlsZS4gV2h5IGRvIHlvdSB3 YW50IHRvIHVzZSAxNiBicHAgZm9ybWF0IGZvciB0aGF0Pwo+ID4gCj4gPiAgVG9taQo+ID4gCj4g Cj4gUnVubmluZyB0aGUgcGFuZWwgYXQgMjQgYnBwIG9yIHNwZWNpZnlpbmcgMTYgZGF0YWxpbmVz IGNhdXNlcyBjb2xvcgo+IGRpc3RvcnRpb24uCj4gCj4gVGhlIG9ubHkgd2F5IEkndmUgYmVlbiBh YmxlIHRvIHJ1biB0aGUgcGFuZWwgd2l0aG91dCBjb2xvciBkaXN0b3J0aW9uLAo+IGlzIHdpdGgg MjQgZGF0YWxpbmVzIGFuZCAxNiBicHAuCj4gCj4gSSdtIG5vdCB3ZWxsIHZlcnNlZCBpbiBkaXNw bGF5cywgc28gSSBtaWdodCBiZSBtYWtpbmcgYSBtaXN0YWtlCj4gc29tZXdoZXJlLiBUaGUgQlNQ IGZvciB0aGUgZGV2a2l0ODAwMCBkb2Vzbid0IGluY2x1ZGUgYSBkYXRhc2hlZXQgZm9yCj4gdGhl IHBhbmVsLCBzbyBJIGNhbid0IGxvb2sgaW50byB3aGF0J3MgY2F1c2luZyB0aGlzIHdlaXJkbmVz cy4KCkkgZG9uJ3QgdGhpbmsgSSdsbCBhZGQgYSBmZWF0dXJlIHdoaWNoIGRvZXNuJ3QgbWFrZSBz ZW5zZSwgdG8gZml4IGEKcHJvYmxlbSB3ZSBkb24ndCB1bmRlcnN0YW5kID0pLgoKQSBkYXRhc2hl ZXQgSSBmb3VuZCBtZW50aW9ucwoKIk9uZSA0LjPigJ0gVEZUIExDRCAoV2l0aCBUb3VjaCBwYW5l bCwgQ0hJIEhTSU4gTFIwNDNKQzIxMSBMQ0QKTW9kZWwpIgoKQW5kIEkgZm91bmQ6CgpodHRwOi8v d3d3LnRpbWxsLmNvbS9jaGluZXNlL2Rvd25sb2FkL2ZpbGVzL0NISUxJTl9URUNITk9MT0dZLnBk ZgoKSXQgbG9va3MgbGlrZSAyNGJwcCBkaXNwbGF5LgoKV2hhdCBraW5kIG9mIGNvbG9yIGRpc3Rv cnRpb24gZG8geW91IHNlZT8gUGVyaGFwcyB0aGUgcHJvYmxlbSBpcwpzb21ld2hlcmUgZWxzZSwg bGlrZSB3cm9uZyBob3Jpem9udGFsIHN5bmMsIHZlcnRpY2FsIHN5bmMgb3IgcGl4ZWwgY2xvY2sK c2lnbmFsIHNldHRpbmcgaW4gLmNvbmZpZyBmaWVsZC4gVGhpcyBpbmZvIHNob3VsZCBiZSBpbiB0 aGUgcGFuZWwKZGF0YXNoZWV0LCBidXQgaXQgdXN1YWxseSB0YWtlcyBzb21lIGRlY2lwaGVyaW5n IHRvIHVuZGVyc3RhbmQgaXQgPSkuCgogVG9taQoKCi0tClRvIHVuc3Vic2NyaWJlIGZyb20gdGhp cyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51eC1mYmRldiIgaW4KdGhlIGJv ZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9yZSBtYWpvcmRv bW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5mby5odG1s From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: [PATCH 0/2] Add recommended bpp for omap dss2 generic dpi panels Date: Wed, 16 Feb 2011 16:36:36 +0200 Message-ID: <1297866996.988.69.camel@deskari> References: <1297530130-10355-1-git-send-email-daniel.morsing@gmail.com> <1297861914.988.1.camel@deskari> <1297865193.8777.8.camel@morsing> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from arroyo.ext.ti.com ([192.94.94.40]:58089 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755658Ab1BPOgm (ORCPT ); Wed, 16 Feb 2011 09:36:42 -0500 In-Reply-To: <1297865193.8777.8.camel@morsing> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Daniel Morsing Cc: Tony Lindgren , Bryan Wu , "linux-fbdev@vger.kernel.org" , "linux-omap@vger.kernel.org" On Wed, 2011-02-16 at 08:06 -0600, Daniel Morsing wrote: > Hi Tomi >=20 > On Wed, 2011-02-16 at 15:11 +0200, Tomi Valkeinen wrote: > > Hi, > >=20 > > On Sat, 2011-02-12 at 11:02 -0600, Daniel Morsing wrote: > > > The panel added is the 4.3 inch display that is sold with the > > > Devkit8000. > >=20 > > Hmm. Devkit8000's panel is connected with 24 datalines, according t= o the > > board file. Why do you want to use 16 bpp format for that? > >=20 > > Tomi > >=20 >=20 > Running the panel at 24 bpp or specifying 16 datalines causes color > distortion. >=20 > The only way I've been able to run the panel without color distortion= , > is with 24 datalines and 16 bpp. >=20 > I'm not well versed in displays, so I might be making a mistake > somewhere. The BSP for the devkit8000 doesn't include a datasheet for > the panel, so I can't look into what's causing this weirdness. I don't think I'll add a feature which doesn't make sense, to fix a problem we don't understand =3D). A datasheet I found mentions "One 4.3=E2=80=9D TFT LCD (With Touch panel, CHI HSIN LR043JC211 LCD Model)" And I found: http://www.timll.com/chinese/download/files/CHILIN_TECHNOLOGY.pdf It looks like 24bpp display. What kind of color distortion do you see? Perhaps the problem is somewhere else, like wrong horizontal sync, vertical sync or pixel cloc= k signal setting in .config field. This info should be in the panel datasheet, but it usually takes some deciphering to understand it =3D). Tomi -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html