From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tobias Jakobi Subject: Re: [PATCH v3] drm/exynos: mixer: document YCbCr magic numbers Date: Mon, 10 Apr 2017 12:27:46 +0200 Message-ID: <7ffdd11d-bbdf-321d-fc3c-2d40798e902f@math.uni-bielefeld.de> References: <1489155714-13066-1-git-send-email-tjakobi@math.uni-bielefeld.de> <85a64d59-63d6-54b0-756b-63c36dc85d2b@math.uni-bielefeld.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Inki Dae , Tobias Jakobi Cc: "moderated list:ARM/S5P EXYNOS AR..." , DRI mailing list List-Id: linux-samsung-soc@vger.kernel.org SW5raSBEYWUgd3JvdGU6Cj4gMjAxNy0wMy0yOSAyMDo1NiBHTVQrMDk6MDAgVG9iaWFzIEpha29i aSA8dGpha29iaUBtYXRoLnVuaS1iaWVsZWZlbGQuZGU+Ogo+PiBIZWxsbyBEYW5pZWwsCj4+Cj4+ IHNhbWUgcXVlc3Rpb24gaGVyZS4gUGF0Y2ggZG9lc24ndCBpbnRyb2R1Y2UgYW55IGZ1bmN0aW9u YWwgY2hhbmdlcyAoanVzdAo+PiBhZGRzIGNvZGUgZG9jdW1lbnRhdGlvbiksIHNvIGNhbiB5b3Ug bWVyZ2UgaXQgdGhyb3VnaCBkcm0tbWlzYz8KPj4KPiAKPiBTb3JyeSBmb3IgbGF0ZS4gQ29uZmly bWVkIGp1c3Qgbm93LiBJIHdpbGwgY2hlY2sgaXQgb24gbmV4dCBNb25kYXkuCllvdSBoYXZlIGFk ZGVkIHRoZSB3cm9uZyBwYXRjaCAodjIgaW5zdGVhZCBvZiB2MykuCgotIFRvYmlhcwoKCj4gVGhh bmtzLAo+IElua2kgRGFlCj4gCj4+IFdpdGggYmVzdCB3aXNoZXMsCj4+IFRvYmlhcwo+Pgo+Pgo+ PiBUb2JpYXMgSmFrb2JpIHdyb3RlOgo+Pj4gVGhlIG91dHB1dCBzdGFnZSBvZiB0aGUgbWl4ZXIg dXNlcyBZQ2JDciBmb3IgdGhlIGludGVybmFsCj4+PiBjb21wdXRhdGlvbnMsIHdoaWNoIGlzIHRo ZSByZWFzb24gdGhhdCBzb21lIHJlZ2lzdGVycyB0YWtlCj4+PiBZQ2JDciByZWxhdGVkIGRhdGEg YXMgaW5wdXQuIEluIHBhcnRpY3VsYXIgdGhpcyBhcHBsaWVzCj4+PiB0byBNWFJfQkdfQ09MT1J7 MCwxLDJ9IGFuZCBNWFJfQ01fQ09FRkZfe1ksQ0IsQ1J9Lgo+Pj4KPj4+IERvY3VtZW50IHRoZSBm b3JtYXR0aW5nIG9mIHRoZSBkYXRhIHdoaWNoIHdlIHdyaXRlIHRvCj4+PiB0aGVzZSByZWdpc3Rl cnMuCj4+Pgo+Pj4gV2hpbGUgYXQgaXQsIHVuaWZ5IHdvcmRpbmcgb2YgY29tbWVudHMgaW4gdGhl IHJlZ2lzdGVyIGhlYWRlci4KPj4+Cj4+PiBSZXZpZXdlZC1ieTogQW5kcnplaiBIYWpkYSA8YS5o YWpkYUBzYW1zdW5nLmNvbT4KPj4+IFNpZ25lZC1vZmYtYnk6IFRvYmlhcyBKYWtvYmkgPHRqYWtv YmlAbWF0aC51bmktYmllbGVmZWxkLmRlPgo+Pj4gLS0tCj4+PiBDaGFuZ2VzIGluIHYyOgo+Pj4g LSB1c2UgZmxvYXRpbmcgcG9pbnQgdmFsdWVzIGFzIGlucHV0IGZvciB0aGUgbWFjcm9zLCBhcwo+ Pj4gICBzdWdnZXN0ZWQgYnkgQW5kcnplago+Pj4gLSB0aGUgZmxvYXRpbmcgcG9pbnQgdmFsdWVz IGhhdmUgYmVlbiB0dW5lZCB0byBleGFjdGx5IG1hdGNoCj4+PiAgIHRoZSB2YWx1ZXMgdGhhdCBh cmUgY3VycmVudGx5IHVzZWQKPj4+Cj4+PiBDaGFuZ2VzIGluIHYzOgo+Pj4gLSB1c2Ugb25seSB0 aHJlZSBkaWdpdCB2YWx1ZXMgKHBvaW50ZWQgb3V0IGJ5IEFuZHJ6ZWopCj4+Pgo+Pj4gIGRyaXZl cnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX21peGVyLmMgfCAzMyArKysrKysrKysrKysrKysrKysr KysrKysrLS0tLS0tLS0KPj4+ICBkcml2ZXJzL2dwdS9kcm0vZXh5bm9zL3JlZ3MtbWl4ZXIuaCAg IHwgIDcgKysrKystLQo+Pj4gIDIgZmlsZXMgY2hhbmdlZCwgMzAgaW5zZXJ0aW9ucygrKSwgMTAg ZGVsZXRpb25zKC0pCj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9leHlub3Mv ZXh5bm9zX21peGVyLmMgYi9kcml2ZXJzL2dwdS9kcm0vZXh5bm9zL2V4eW5vc19taXhlci5jCj4+ PiBpbmRleCA0MWQwYzM2Li45NjQ4ZGQ1IDEwMDY0NAo+Pj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2V4eW5vcy9leHlub3NfbWl4ZXIuYwo+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9l eHlub3NfbWl4ZXIuYwo+Pj4gQEAgLTQ1LDYgKzQ1LDIyIEBACj4+PiAgI2RlZmluZSBNSVhFUl9X SU5fTlIgICAgICAgICAzCj4+PiAgI2RlZmluZSBWUF9ERUZBVUxUX1dJTiAgICAgICAgICAgICAg IDIKPj4+Cj4+PiArLyoKPj4+ICsgKiBNaXhlciBjb2xvciBzcGFjZSBjb252ZXJzaW9uIGNvZWZm aWNpZW50IHRyaXBsZXQuCj4+PiArICogVXNlZCBmb3IgQ1NDIGZyb20gUkdCIHRvIFlDYkNyLgo+ Pj4gKyAqIEVhY2ggY29lZmZpY2llbnQgaXMgYSAxMC1iaXQgZml4ZWQgcG9pbnQgbnVtYmVyIHdp dGgKPj4+ICsgKiBzaWduIGFuZCBubyBpbnRlZ2VyIHBhcnQsIGkuZS4KPj4+ICsgKiBbMDo4XSA9 IGZyYWN0aW9uYWwgcGFydCAocmVwcmVzZW50aW5nIGEgdmFsdWUgeSA9IHggLyAyXjkpCj4+PiAr ICogWzldID0gc2lnbgo+Pj4gKyAqIE5lZ2F0aXZlIHZhbHVlcyBhcmUgZW5jb2RlZCB3aXRoIHR3 bydzIGNvbXBsZW1lbnQuCj4+PiArICovCj4+PiArI2RlZmluZSBNWFJfQ1NDX0MoeCkgKChpbnQp KCh4KSAqIDUxMi4wKSAmIDB4M2ZmKQo+Pj4gKyNkZWZpbmUgTVhSX0NTQ19DVChhMCwgYTEsIGEy KSBcCj4+PiArICAoKE1YUl9DU0NfQyhhMCkgPDwgMjApIHwgKE1YUl9DU0NfQyhhMSkgPDwgMTAp IHwgKE1YUl9DU0NfQyhhMikgPDwgMCkpCj4+PiArCj4+PiArLyogWUNiQ3IgdmFsdWUsIHVzZWQg Zm9yIG1peGVyIGJhY2tncm91bmQgY29sb3IgY29uZmlndXJhdGlvbi4gKi8KPj4+ICsjZGVmaW5l IE1YUl9ZQ0JDUl9WQUwoeSwgY2IsIGNyKSAoKCh5KSA8PCAxNikgfCAoKGNiKSA8PCA4KSB8ICgo Y3IpIDw8IDApKQo+Pj4gKwo+Pj4gIC8qIFRoZSBwaXhlbGZvcm1hdHMgdGhhdCBhcmUgbmF0aXZl bHkgc3VwcG9ydGVkIGJ5IHRoZSBtaXhlci4gKi8KPj4+ICAjZGVmaW5lIE1YUl9GT1JNQVRfUkdC NTY1ICAgIDQKPj4+ICAjZGVmaW5lIE1YUl9GT1JNQVRfQVJHQjE1NTUgIDUKPj4+IEBAIC0zOTEs MTMgKzQwNywxNCBAQCBzdGF0aWMgdm9pZCBtaXhlcl9jZmdfcmdiX2ZtdChzdHJ1Y3QgbWl4ZXJf Y29udGV4dCAqY3R4LCB1bnNpZ25lZCBpbnQgaGVpZ2h0KQo+Pj4gICAgICAgY2FzZSAxMDgwOgo+ Pj4gICAgICAgZGVmYXVsdDoKPj4+ICAgICAgICAgICAgICAgdmFsID0gTVhSX0NGR19SR0I3MDlf MTZfMjM1Owo+Pj4gKyAgICAgICAgICAgICAvKiBDb25maWd1cmUgdGhlIEJULjcwOSBDU0MgbWF0 cml4IGZvciBmdWxsIHJhbmdlIFJHQi4gKi8KPj4+ICAgICAgICAgICAgICAgbWl4ZXJfcmVnX3dy aXRlKHJlcywgTVhSX0NNX0NPRUZGX1ksCj4+PiAtICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAoMSA8PCAzMCkgfCAoOTQgPDwgMjApIHwgKDMxNCA8PCAxMCkgfAo+Pj4gLSAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgKDMyIDw8IDApKTsKPj4+ICsgICAgICAgICAgICAgICAgICAgICBN WFJfQ1NDX0NUKCAwLjE4NCwgIDAuNjE0LCAgMC4wNjMpIHwKPj4+ICsgICAgICAgICAgICAgICAg ICAgICBNWFJfQ01fQ09FRkZfUkdCX0ZVTEwpOwo+Pj4gICAgICAgICAgICAgICBtaXhlcl9yZWdf d3JpdGUocmVzLCBNWFJfQ01fQ09FRkZfQ0IsCj4+PiAtICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAoOTcyIDw8IDIwKSB8ICg4NTEgPDwgMTApIHwgKDIyNSA8PCAwKSk7Cj4+PiArICAgICAg ICAgICAgICAgICAgICAgTVhSX0NTQ19DVCgtMC4xMDIsIC0wLjMzOCwgIDAuNDQwKSk7Cj4+PiAg ICAgICAgICAgICAgIG1peGVyX3JlZ193cml0ZShyZXMsIE1YUl9DTV9DT0VGRl9DUiwKPj4+IC0g ICAgICAgICAgICAgICAgICAgICAgICAgICAgICgyMjUgPDwgMjApIHwgKDgyMCA8PCAxMCkgfCAo MTAwNCA8PCAwKSk7Cj4+PiArICAgICAgICAgICAgICAgICAgICAgTVhSX0NTQ19DVCggMC40NDAs IC0wLjM5OSwgLTAuMDQwKSk7Cj4+PiAgICAgICAgICAgICAgIGJyZWFrOwo+Pj4gICAgICAgfQo+ Pj4KPj4+IEBAIC03MTUsMTAgKzczMiwxMCBAQCBzdGF0aWMgdm9pZCBtaXhlcl93aW5fcmVzZXQo c3RydWN0IG1peGVyX2NvbnRleHQgKmN0eCkKPj4+ICAgICAgIC8qIHJlc2V0IGRlZmF1bHQgbGF5 ZXIgcHJpb3JpdHkgKi8KPj4+ICAgICAgIG1peGVyX3JlZ193cml0ZShyZXMsIE1YUl9MQVlFUl9D RkcsIDApOwo+Pj4KPj4+IC0gICAgIC8qIHNldHRpbmcgYmFja2dyb3VuZCBjb2xvciAqLwo+Pj4g LSAgICAgbWl4ZXJfcmVnX3dyaXRlKHJlcywgTVhSX0JHX0NPTE9SMCwgMHgwMDgwODApOwo+Pj4g LSAgICAgbWl4ZXJfcmVnX3dyaXRlKHJlcywgTVhSX0JHX0NPTE9SMSwgMHgwMDgwODApOwo+Pj4g LSAgICAgbWl4ZXJfcmVnX3dyaXRlKHJlcywgTVhSX0JHX0NPTE9SMiwgMHgwMDgwODApOwo+Pj4g KyAgICAgLyogc2V0IGFsbCBiYWNrZ3JvdW5kIGNvbG9ycyB0byBSR0IgKDAsMCwwKSAqLwo+Pj4g KyAgICAgbWl4ZXJfcmVnX3dyaXRlKHJlcywgTVhSX0JHX0NPTE9SMCwgTVhSX1lDQkNSX1ZBTCgw LCAxMjgsIDEyOCkpOwo+Pj4gKyAgICAgbWl4ZXJfcmVnX3dyaXRlKHJlcywgTVhSX0JHX0NPTE9S MSwgTVhSX1lDQkNSX1ZBTCgwLCAxMjgsIDEyOCkpOwo+Pj4gKyAgICAgbWl4ZXJfcmVnX3dyaXRl KHJlcywgTVhSX0JHX0NPTE9SMiwgTVhSX1lDQkNSX1ZBTCgwLCAxMjgsIDEyOCkpOwo+Pj4KPj4+ ICAgICAgIGlmICh0ZXN0X2JpdChNWFJfQklUX1ZQX0VOQUJMRUQsICZjdHgtPmZsYWdzKSkgewo+ Pj4gICAgICAgICAgICAgICAvKiBjb25maWd1cmF0aW9uIG9mIFZpZGVvIFByb2Nlc3NvciBSZWdp c3RlcnMgKi8KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZXh5bm9zL3JlZ3MtbWl4 ZXIuaCBiL2RyaXZlcnMvZ3B1L2RybS9leHlub3MvcmVncy1taXhlci5oCj4+PiBpbmRleCA3ZjIy ZGY1Li5jMzExZjU3IDEwMDY0NAo+Pj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9yZWdz LW1peGVyLmgKPj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9leHlub3MvcmVncy1taXhlci5oCj4+ PiBAQCAtMTQwLDExICsxNDAsMTEgQEAKPj4+ICAjZGVmaW5lIE1YUl9JTlRfRU5fVlNZTkMgICAg ICAgICAgICAgKDEgPDwgMTEpCj4+PiAgI2RlZmluZSBNWFJfSU5UX0VOX0FMTCAgICAgICAgICAg ICAgICAgICAgICAgKDB4MGYgPDwgOCkKPj4+Cj4+PiAtLyogYml0IGZvciBNWFJfSU5UX1NUQVRV UyAqLwo+Pj4gKy8qIGJpdHMgZm9yIE1YUl9JTlRfU1RBVFVTICovCj4+PiAgI2RlZmluZSBNWFJf SU5UX0NMRUFSX1ZTWU5DICAgICAgICAgICgxIDw8IDExKQo+Pj4gICNkZWZpbmUgTVhSX0lOVF9T VEFUVVNfVlNZTkMgICAgICAgICAoMSA8PCAwKQo+Pj4KPj4+IC0vKiBiaXQgZm9yIE1YUl9MQVlF Ul9DRkcgKi8KPj4+ICsvKiBiaXRzIGZvciBNWFJfTEFZRVJfQ0ZHICovCj4+PiAgI2RlZmluZSBN WFJfTEFZRVJfQ0ZHX0dSUDFfVkFMKHgpICAgIE1YUl9NQVNLX1ZBTCh4LCAxMSwgOCkKPj4+ICAj ZGVmaW5lIE1YUl9MQVlFUl9DRkdfR1JQMV9NQVNLICAgICAgICAgICAgICBNWFJfTEFZRVJfQ0ZH X0dSUDFfVkFMKH4wKQo+Pj4gICNkZWZpbmUgTVhSX0xBWUVSX0NGR19HUlAwX1ZBTCh4KSAgICBN WFJfTUFTS19WQUwoeCwgNywgNCkKPj4+IEBAIC0xNTIsNSArMTUyLDggQEAKPj4+ICAjZGVmaW5l IE1YUl9MQVlFUl9DRkdfVlBfVkFMKHgpICAgICAgICAgICAgICBNWFJfTUFTS19WQUwoeCwgMywg MCkKPj4+ICAjZGVmaW5lIE1YUl9MQVlFUl9DRkdfVlBfTUFTSyAgICAgICAgICAgICAgICBNWFJf TEFZRVJfQ0ZHX1ZQX1ZBTCh+MCkKPj4+Cj4+PiArLyogYml0cyBmb3IgTVhSX0NNX0NPRUZGX1kg Ki8KPj4+ICsjZGVmaW5lIE1YUl9DTV9DT0VGRl9SR0JfRlVMTCAgICAgICAgICAgICAgICAoMSA8 PCAzMCkKPj4+ICsKPj4+ICAjZW5kaWYgLyogU0FNU1VOR19SRUdTX01JWEVSX0ggKi8KPj4+Cj4+ Pgo+Pgo+PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+ PiBkcmktZGV2ZWwgbWFpbGluZyBsaXN0Cj4+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKPj4gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmkt ZGV2ZWwKPiAtLQo+IFRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5l ICJ1bnN1YnNjcmliZSBsaW51eC1zYW1zdW5nLXNvYyIgaW4KPiB0aGUgYm9keSBvZiBhIG1lc3Nh Z2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwo+IE1vcmUgbWFqb3Jkb21vIGluZm8gYXQg IGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbAo+IAoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcg bGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRl c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==