From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] Enable dithering on intel VCH DVO chips on 18bpp panels Date: Mon, 30 Mar 2015 12:45:15 +0300 Message-ID: <20150330094515.GH17410@intel.com> References: <55167D4D.5030700@math.tu-berlin.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 371276E572 for ; Mon, 30 Mar 2015 02:45:20 -0700 (PDT) Content-Disposition: inline In-Reply-To: <55167D4D.5030700@math.tu-berlin.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Thomas Richter Cc: Intel Graphics Development List-Id: intel-gfx@lists.freedesktop.org T24gU2F0LCBNYXIgMjgsIDIwMTUgYXQgMTE6MDc6MDlBTSArMDEwMCwgVGhvbWFzIFJpY2h0ZXIg d3JvdGU6Cj4gSGkgZm9sa3MsCj4gCj4gdGhpcyBpcyBhIHBhdGNoIGFnYWluc3QgZHJtLWludGVs LW5pZ2h0bHkgdGhhdCBlbmFibGVzIGFuIGFwcGFyZW50bHkgCj4gdW5kb2N1bWVudGVkIGZlYXR1 cmUgb2YgdGhlIGludGVsIFZDSCBEVk8gY2hpcHMuIEJpdCA0IG9mIHRoZSBWUjAxIAo+IHJlZ2lz dGVyIGNvbnRyb2xzIGFuIGF1dG9tYXRpYyBkaXRoZXJpbmcgZm9yIDE4YnBwIG91dHB1dHMgd2hp Y2ggZ3JlYXRseSAKPiBpbXByb3ZlcyB0aGUgdmlzdWFsIGltYWdlIHF1YWxpdHkgZm9yIDI0YnBw IGRpc3BsYXkgYnVmZmVycy4KPiAKPiBUaGUgYmlvcyBvZiBteSBJQk0gUjMxIGF1dG9tYXRpY2Fs bHkgZW5hYmxlcyB0aGlzIGZlYXR1cmUsIGl0IGlzIAo+IGRpc2FibGVkIGFnYWluIGJ5IHRoZSBp dmNociBkcml2ZXIuIFRoZSBmb2xsb3dpbmcgcGF0Y2ggY2hlY2tzIHdoZXRoZXIgCj4gdGhlIGRp c3BsYXkgaXMgY29ubmVjdGVkIHdpdGggYSAxOGJwcCBjb25uZWN0aW9uIGFuZCBpZiBzbywgcmUt ZW5hYmxlcyAKPiBkaXRoZXJpbmcuCj4gCj4gVGhpcyBmZWF0dXJlIGhhcyBiZWVuIHRlc3RlZCB0 byB3b3JrIGZpbmUgb24gMTZicHAgaW1hZ2VzIGFuZCB3aXRoIHRoZSAKPiBzY2FsZXIgb24gYW5k IG9mZi4gVGhlcmUgYXJlIG5vIGlsbCBzaWRlIGVmZmVjdHMuCj4gCj4gUGxlYXNlIGxldCBtZSBr bm93IHdoZXRoZXIgdGhpcyBwYXRjaCBpcyBhY2NlcHRhYmxlLgo+IAo+IFRoYW5rcyBhbmQgZ3Jl ZXRpbmdzLAo+IAo+IAlUaG9tYXMKPiAKPiAKPiBTaWduZWQtb2ZmLWJ5OiBUaG9tYXMgUmljaHRl ciA8dGhvckBtYXRoLnR1LWJlcmxpbi5kZT4KPiAtLS0KPiAgIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2R2b19pdmNoLmMgfCAgIDIxICsrKysrKysrKysrKysrKysrKy0tLQo+ICAgMSBmaWxlIGNoYW5n ZWQsIDE4IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2R2b19pdmNoLmMgCj4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9k dm9faXZjaC5jCj4gaW5kZXggMGYyNTg3Zi4uODliMDhhOCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9kdm9faXZjaC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZHZv X2l2Y2guYwo+IEBAIC0yMyw2ICsyMyw5IEBACj4gICAgKiBBdXRob3JzOgo+ICAgICogICAgRXJp YyBBbmhvbHQgPGVyaWNAYW5ob2x0Lm5ldD4KPiAgICAqCj4gKyAqIE1pbm9yIG1vZGlmaWNhdGlv bnMgKERpdGhlcmluZyBlbmFibGUpOgo+ICsgKiAgICBUaG9tYXMgUmljaHRlciA8dGhvckBtYXRo LnR1LWJlcmxpbi5kZT4KPiArICoKPiAgICAqLwo+IAo+ICAgI2luY2x1ZGUgImR2by5oIgo+IEBA IC01OSw2ICs2Miw4IEBACj4gICAjIGRlZmluZSBWUjAxX0RWT19CWVBBU1NfRU5BQkxFICAgICAg ICAgICAgICAgICgxIDw8IDEpCj4gICAvKiogRW5hYmxlcyB0aGUgRFZPIGNsb2NrICovCj4gICAj IGRlZmluZSBWUjAxX0RWT19FTkFCTEUgICAgICAgICAgICAgICAoMSA8PCAwKQo+ICsvKiogRW5h YmxlIGRpdGhlcmluZyBmb3IgMThicHAgcGFuZWxzLiBOb3QgZG9jdW1lbnRlZC4gKi8KPiArIyBk ZWZpbmUgVlIwMV9ESVRIRVJfRU5BQkxFICAgICAgICAgICAgICgxIDw8IDQpCj4gCj4gICAvKgo+ ICAgICogTENEIEludGVyZmFjZSBGb3JtYXQKPiBAQCAtNzQsNiArNzksOCBAQAo+ICAgIyBkZWZp bmUgVlIxMF9JTlRFUkZBQ0VfMlgxOCAgICAgICAgICAgKDIgPDwgMikKPiAgIC8qKiBFbmFibGVz IDJ4MjQtYml0IExWRFMgb3V0cHV0ICovCj4gICAjIGRlZmluZSBWUjEwX0lOVEVSRkFDRV8yWDI0 ICAgICAgICAgICAoMyA8PCAyKQo+ICsvKiogTWFzayB0aGF0IGRlZmluZXMgdGhlIGRlcHRoIG9m IHRoZSBwaXBlbGluZSAqLwo+ICsjIGRlZmluZSBWUjEwX0lOVEVSRkFDRV9ERVBUSF9NQVNLICAg ICAgKDMgPDwgMikKPiAKPiAgIC8qCj4gICAgKiBWUjIwIExDRCBIb3Jpem9udGFsIERpc3BsYXkg U2l6ZQo+IEBAIC0zNDIsOSArMzQ5LDE1IEBAIHN0YXRpYyB2b2lkIGl2Y2hfbW9kZV9zZXQoc3Ry dWN0IGludGVsX2R2b19kZXZpY2UgKmR2bywKPiAgICAgICAgICAgICAgICAgICAgICAgICAgICBz dHJ1Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqYWRqdXN0ZWRfbW9kZSkKPiAgIHsKPiAgICAgICAgICB1 aW50MTZfdCB2cjQwID0gMDsKPiAtICAgICAgIHVpbnQxNl90IHZyMDE7Cj4gKyAgICAgICB1aW50 MTZfdCB2cjAxID0gMDsKPiArICAgICAgIHVpbnQxNl90IHZyMTA7Cj4gKwo+ICsgICAgICAgaXZj aF9yZWFkKGR2bywgVlIxMCwgJnZyMTApOwo+ICsgICAgICAgLyogRW5hYmxlIGRpdGhlcmluZyBm b3IgMTggYnBwIHBpcGVsaW5lcyAqLwo+ICsgICAgICAgdnIxMCAmPSBWUjEwX0lOVEVSRkFDRV9E RVBUSF9NQVNLOwo+ICsgICAgICAgaWYgKHZyMTAgPT0gVlIxMF9JTlRFUkZBQ0VfMlgxOCB8fCB2 cjEwID09IFZSMTBfSU5URVJGQUNFXzFYMTgpCj4gKyAgICAgICAgICAgICAgIHZyMDEgPSBWUjAx X0RJVEhFUl9FTkFCTEU7Cj4gCj4gLSAgICAgICB2cjAxID0gMDsKPiAgICAgICAgICB2cjQwID0g KFZSNDBfU1RBTExfRU5BQkxFIHwgVlI0MF9WRVJUSUNBTF9JTlRFUlBfRU5BQkxFIHwKPiAgICAg ICAgICAgICAgICAgIFZSNDBfSE9SSVpPTlRBTF9JTlRFUlBfRU5BQkxFKTsKPiAKPiBAQCAtMzUz LDcgKzM2Niw3IEBAIHN0YXRpYyB2b2lkIGl2Y2hfbW9kZV9zZXQoc3RydWN0IGludGVsX2R2b19k ZXZpY2UgKmR2bywKPiAgICAgICAgICAgICAgICAgIHVpbnQxNl90IHhfcmF0aW8sIHlfcmF0aW87 Cj4gCj4gICAgICAgICAgICAgICAgICB2cjAxIHw9IFZSMDFfUEFORUxfRklUX0VOQUJMRTsKPiAt ICAgICAgICAgICAgICAgdnI0MCB8PSBWUjQwX0NMT0NLX0dBVElOR19FTkFCTEU7Cj4gKyAgICAg ICAgICAgICAgIHZyNDAgfD0gVlI0MF9DTE9DS19HQVRJTkdfRU5BQkxFIHwgCj4gVlI0MF9FTkhB TkNFRF9QQU5FTF9GSVRUSU5HOwoKWW91J3JlIGFsc28gZW5hYmxpbmcgdGhpcyBvdGhlciBiaXQu IFRoZSBzcGVjIGlzbid0IHZlcnkgY2xlYXIgb24gbW9zdAp0aGluZ3MsIGJ1dCBJIG1pZ2h0IGFz c3VtZSB0aGlzIGVuYWJsZXMgdGhlIGhpZ2hlciBvcmRlciB1cHNjYWxlIGZpbHRlci4KSSBkb24n dCBzZWUgYW55IHByb2dyYW1tYWJsZSBwYXJhbWV0ZXJzIGZvciB0aGUgZmlsdGVyIGluIHNwZWMs IHNvIGl0Cm1pZ2h0IGJlIHNhZmUgdG8ganVzdCBlbmFibGUgaXQgYWx3YXlzLiBCdXQgeWVhaCwg bm90IHJlYWxseSBzdXJlIGFib3V0CnRoYXQuIE9UT0ggSSBkb24ndCBleHBlY3QgdGhpcyBEVk8g Y2hpcCB0byBiZSBpbiB1c2UgaW4gbWFueSBvdGhlcgptYWNoaW5lcywgc28gY2hhbmNlcyBvZiBi cmVha2luZyBzb21lIG90aGVyIG1hY2hpbmUgc2VlbSByYXRoZXIgbG93LgoKSG93ZXZlciBpdCB3 b3VsZCBzZWVtcyBiZXR0ZXIgaWYgdGhpcyB3YXMgYSBzZXBhcmF0ZSBwYXRjaCwgb3Igb2YgaXQn cwpyZWFsbHkganVzdCBhIHBhcnQgb2YgZ2V0dGluZyB0aGUgZGl0aGVyIGJpdCB0byB3b3JrIHRo ZW4gaXQgd291bGQgYmUKZ29vZCB0byBhdCBsZWFzdCBtZW50aW9uIHRoYXQgZmFjdCBpbiB0aGUg Y29tbWl0IG1lc3NhZ2UsIG9yIG1heWJlCmFkZCBhIGNvbW1lbnQgaW50byB0aGUgY29kZSBleHBs YWluaW5nIHRoZSByZWxhdGlvbnNoaXAgb2YgdGhlIHR3byBiaXRzCihhc3N1bWluZyB0aGVyZSBp cyBvbmUpLgoKPiAgICAgICAgICAgICAgICAgIHhfcmF0aW8gPSAoKChtb2RlLT5oZGlzcGxheSAt IDEpIDw8IDE2KSAvCj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgIChhZGp1c3RlZF9tb2Rl LT5oZGlzcGxheSAtIDEpKSA+PiAyOwo+ICAgICAgICAgICAgICAgICAgeV9yYXRpbyA9ICgoKG1v ZGUtPnZkaXNwbGF5IC0gMSkgPDwgMTYpIC8KPiBAQCAtMzgwLDYgKzM5Myw4IEBAIHN0YXRpYyB2 b2lkIGl2Y2hfZHVtcF9yZWdzKHN0cnVjdCBpbnRlbF9kdm9fZGV2aWNlICpkdm8pCj4gICAgICAg ICAgRFJNX0RFQlVHX0tNUygiVlIwMDogMHglMDR4XG4iLCB2YWwpOwo+ICAgICAgICAgIGl2Y2hf cmVhZChkdm8sIFZSMDEsICZ2YWwpOwo+ICAgICAgICAgIERSTV9ERUJVR19LTVMoIlZSMDE6IDB4 JTA0eFxuIiwgdmFsKTsKPiArICAgICAgIGl2Y2hfcmVhZChkdm8sIFZSMTAsICZ2YWwpOwo+ICsg ICAgICAgRFJNX0RFQlVHX0tNUygiVlIxMDogMHglMDR4XG4iLCB2YWwpOwo+ICAgICAgICAgIGl2 Y2hfcmVhZChkdm8sIFZSMzAsICZ2YWwpOwo+ICAgICAgICAgIERSTV9ERUJVR19LTVMoIlZSMzA6 IDB4JTA0eFxuIiwgdmFsKTsKPiAgICAgICAgICBpdmNoX3JlYWQoZHZvLCBWUjQwLCAmdmFsKTsK PiAtLQo+IDEuNy4xMC40CgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=