From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Subject: Re: [PATCH v3] drm/exynos: mixer: document YCbCr magic numbers
Date: Wed, 29 Mar 2017 13:56:07 +0200
Message-ID: <85a64d59-63d6-54b0-756b-63c36dc85d2b@math.uni-bielefeld.de>
References: <1489155714-13066-1-git-send-email-tjakobi@math.uni-bielefeld.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
In-Reply-To: <1489155714-13066-1-git-send-email-tjakobi@math.uni-bielefeld.de>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: "moderated list:ARM/S5P EXYNOS AR..." <linux-samsung-soc@vger.kernel.org>, dri-devel@lists.freedesktop.org
List-Id: linux-samsung-soc@vger.kernel.org

SGVsbG8gRGFuaWVsLAoKc2FtZSBxdWVzdGlvbiBoZXJlLiBQYXRjaCBkb2Vzbid0IGludHJvZHVj
ZSBhbnkgZnVuY3Rpb25hbCBjaGFuZ2VzIChqdXN0CmFkZHMgY29kZSBkb2N1bWVudGF0aW9uKSwg
c28gY2FuIHlvdSBtZXJnZSBpdCB0aHJvdWdoIGRybS1taXNjPwoKV2l0aCBiZXN0IHdpc2hlcywK
VG9iaWFzCgoKVG9iaWFzIEpha29iaSB3cm90ZToKPiBUaGUgb3V0cHV0IHN0YWdlIG9mIHRoZSBt
aXhlciB1c2VzIFlDYkNyIGZvciB0aGUgaW50ZXJuYWwKPiBjb21wdXRhdGlvbnMsIHdoaWNoIGlz
IHRoZSByZWFzb24gdGhhdCBzb21lIHJlZ2lzdGVycyB0YWtlCj4gWUNiQ3IgcmVsYXRlZCBkYXRh
IGFzIGlucHV0LiBJbiBwYXJ0aWN1bGFyIHRoaXMgYXBwbGllcwo+IHRvIE1YUl9CR19DT0xPUnsw
LDEsMn0gYW5kIE1YUl9DTV9DT0VGRl97WSxDQixDUn0uCj4gCj4gRG9jdW1lbnQgdGhlIGZvcm1h
dHRpbmcgb2YgdGhlIGRhdGEgd2hpY2ggd2Ugd3JpdGUgdG8KPiB0aGVzZSByZWdpc3RlcnMuCj4g
Cj4gV2hpbGUgYXQgaXQsIHVuaWZ5IHdvcmRpbmcgb2YgY29tbWVudHMgaW4gdGhlIHJlZ2lzdGVy
IGhlYWRlci4KPiAKPiBSZXZpZXdlZC1ieTogQW5kcnplaiBIYWpkYSA8YS5oYWpkYUBzYW1zdW5n
LmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBUb2JpYXMgSmFrb2JpIDx0amFrb2JpQG1hdGgudW5pLWJp
ZWxlZmVsZC5kZT4KPiAtLS0KPiBDaGFuZ2VzIGluIHYyOgo+IC0gdXNlIGZsb2F0aW5nIHBvaW50
IHZhbHVlcyBhcyBpbnB1dCBmb3IgdGhlIG1hY3JvcywgYXMKPiAgIHN1Z2dlc3RlZCBieSBBbmRy
emVqCj4gLSB0aGUgZmxvYXRpbmcgcG9pbnQgdmFsdWVzIGhhdmUgYmVlbiB0dW5lZCB0byBleGFj
dGx5IG1hdGNoCj4gICB0aGUgdmFsdWVzIHRoYXQgYXJlIGN1cnJlbnRseSB1c2VkCj4gCj4gQ2hh
bmdlcyBpbiB2MzoKPiAtIHVzZSBvbmx5IHRocmVlIGRpZ2l0IHZhbHVlcyAocG9pbnRlZCBvdXQg
YnkgQW5kcnplaikKPiAKPiAgZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfbWl4ZXIuYyB8
IDMzICsrKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLQo+ICBkcml2ZXJzL2dwdS9kcm0v
ZXh5bm9zL3JlZ3MtbWl4ZXIuaCAgIHwgIDcgKysrKystLQo+ICAyIGZpbGVzIGNoYW5nZWQsIDMw
IGluc2VydGlvbnMoKyksIDEwIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJz
L2dwdS9kcm0vZXh5bm9zL2V4eW5vc19taXhlci5jIGIvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9l
eHlub3NfbWl4ZXIuYwo+IGluZGV4IDQxZDBjMzYuLjk2NDhkZDUgMTAwNjQ0Cj4gLS0tIGEvZHJp
dmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfbWl4ZXIuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry
bS9leHlub3MvZXh5bm9zX21peGVyLmMKPiBAQCAtNDUsNiArNDUsMjIgQEAKPiAgI2RlZmluZSBN
SVhFUl9XSU5fTlIJCTMKPiAgI2RlZmluZSBWUF9ERUZBVUxUX1dJTgkJMgo+ICAKPiArLyoKPiAr
ICogTWl4ZXIgY29sb3Igc3BhY2UgY29udmVyc2lvbiBjb2VmZmljaWVudCB0cmlwbGV0Lgo+ICsg
KiBVc2VkIGZvciBDU0MgZnJvbSBSR0IgdG8gWUNiQ3IuCj4gKyAqIEVhY2ggY29lZmZpY2llbnQg
aXMgYSAxMC1iaXQgZml4ZWQgcG9pbnQgbnVtYmVyIHdpdGgKPiArICogc2lnbiBhbmQgbm8gaW50
ZWdlciBwYXJ0LCBpLmUuCj4gKyAqIFswOjhdID0gZnJhY3Rpb25hbCBwYXJ0IChyZXByZXNlbnRp
bmcgYSB2YWx1ZSB5ID0geCAvIDJeOSkKPiArICogWzldID0gc2lnbgo+ICsgKiBOZWdhdGl2ZSB2
YWx1ZXMgYXJlIGVuY29kZWQgd2l0aCB0d28ncyBjb21wbGVtZW50Lgo+ICsgKi8KPiArI2RlZmlu
ZSBNWFJfQ1NDX0MoeCkgKChpbnQpKCh4KSAqIDUxMi4wKSAmIDB4M2ZmKQo+ICsjZGVmaW5lIE1Y
Ul9DU0NfQ1QoYTAsIGExLCBhMikgXAo+ICsgICgoTVhSX0NTQ19DKGEwKSA8PCAyMCkgfCAoTVhS
X0NTQ19DKGExKSA8PCAxMCkgfCAoTVhSX0NTQ19DKGEyKSA8PCAwKSkKPiArCj4gKy8qIFlDYkNy
IHZhbHVlLCB1c2VkIGZvciBtaXhlciBiYWNrZ3JvdW5kIGNvbG9yIGNvbmZpZ3VyYXRpb24uICov
Cj4gKyNkZWZpbmUgTVhSX1lDQkNSX1ZBTCh5LCBjYiwgY3IpICgoKHkpIDw8IDE2KSB8ICgoY2Ip
IDw8IDgpIHwgKChjcikgPDwgMCkpCj4gKwo+ICAvKiBUaGUgcGl4ZWxmb3JtYXRzIHRoYXQgYXJl
IG5hdGl2ZWx5IHN1cHBvcnRlZCBieSB0aGUgbWl4ZXIuICovCj4gICNkZWZpbmUgTVhSX0ZPUk1B
VF9SR0I1NjUJNAo+ICAjZGVmaW5lIE1YUl9GT1JNQVRfQVJHQjE1NTUJNQo+IEBAIC0zOTEsMTMg
KzQwNywxNCBAQCBzdGF0aWMgdm9pZCBtaXhlcl9jZmdfcmdiX2ZtdChzdHJ1Y3QgbWl4ZXJfY29u
dGV4dCAqY3R4LCB1bnNpZ25lZCBpbnQgaGVpZ2h0KQo+ICAJY2FzZSAxMDgwOgo+ICAJZGVmYXVs
dDoKPiAgCQl2YWwgPSBNWFJfQ0ZHX1JHQjcwOV8xNl8yMzU7Cj4gKwkJLyogQ29uZmlndXJlIHRo
ZSBCVC43MDkgQ1NDIG1hdHJpeCBmb3IgZnVsbCByYW5nZSBSR0IuICovCj4gIAkJbWl4ZXJfcmVn
X3dyaXRlKHJlcywgTVhSX0NNX0NPRUZGX1ksCj4gLQkJCQkoMSA8PCAzMCkgfCAoOTQgPDwgMjAp
IHwgKDMxNCA8PCAxMCkgfAo+IC0JCQkJKDMyIDw8IDApKTsKPiArCQkJTVhSX0NTQ19DVCggMC4x
ODQsICAwLjYxNCwgIDAuMDYzKSB8Cj4gKwkJCU1YUl9DTV9DT0VGRl9SR0JfRlVMTCk7Cj4gIAkJ
bWl4ZXJfcmVnX3dyaXRlKHJlcywgTVhSX0NNX0NPRUZGX0NCLAo+IC0JCQkJKDk3MiA8PCAyMCkg
fCAoODUxIDw8IDEwKSB8ICgyMjUgPDwgMCkpOwo+ICsJCQlNWFJfQ1NDX0NUKC0wLjEwMiwgLTAu
MzM4LCAgMC40NDApKTsKPiAgCQltaXhlcl9yZWdfd3JpdGUocmVzLCBNWFJfQ01fQ09FRkZfQ1Is
Cj4gLQkJCQkoMjI1IDw8IDIwKSB8ICg4MjAgPDwgMTApIHwgKDEwMDQgPDwgMCkpOwo+ICsJCQlN
WFJfQ1NDX0NUKCAwLjQ0MCwgLTAuMzk5LCAtMC4wNDApKTsKPiAgCQlicmVhazsKPiAgCX0KPiAg
Cj4gQEAgLTcxNSwxMCArNzMyLDEwIEBAIHN0YXRpYyB2b2lkIG1peGVyX3dpbl9yZXNldChzdHJ1
Y3QgbWl4ZXJfY29udGV4dCAqY3R4KQo+ICAJLyogcmVzZXQgZGVmYXVsdCBsYXllciBwcmlvcml0
eSAqLwo+ICAJbWl4ZXJfcmVnX3dyaXRlKHJlcywgTVhSX0xBWUVSX0NGRywgMCk7Cj4gIAo+IC0J
Lyogc2V0dGluZyBiYWNrZ3JvdW5kIGNvbG9yICovCj4gLQltaXhlcl9yZWdfd3JpdGUocmVzLCBN
WFJfQkdfQ09MT1IwLCAweDAwODA4MCk7Cj4gLQltaXhlcl9yZWdfd3JpdGUocmVzLCBNWFJfQkdf
Q09MT1IxLCAweDAwODA4MCk7Cj4gLQltaXhlcl9yZWdfd3JpdGUocmVzLCBNWFJfQkdfQ09MT1Iy
LCAweDAwODA4MCk7Cj4gKwkvKiBzZXQgYWxsIGJhY2tncm91bmQgY29sb3JzIHRvIFJHQiAoMCww
LDApICovCj4gKwltaXhlcl9yZWdfd3JpdGUocmVzLCBNWFJfQkdfQ09MT1IwLCBNWFJfWUNCQ1Jf
VkFMKDAsIDEyOCwgMTI4KSk7Cj4gKwltaXhlcl9yZWdfd3JpdGUocmVzLCBNWFJfQkdfQ09MT1Ix
LCBNWFJfWUNCQ1JfVkFMKDAsIDEyOCwgMTI4KSk7Cj4gKwltaXhlcl9yZWdfd3JpdGUocmVzLCBN
WFJfQkdfQ09MT1IyLCBNWFJfWUNCQ1JfVkFMKDAsIDEyOCwgMTI4KSk7Cj4gIAo+ICAJaWYgKHRl
c3RfYml0KE1YUl9CSVRfVlBfRU5BQkxFRCwgJmN0eC0+ZmxhZ3MpKSB7Cj4gIAkJLyogY29uZmln
dXJhdGlvbiBvZiBWaWRlbyBQcm9jZXNzb3IgUmVnaXN0ZXJzICovCj4gZGlmZiAtLWdpdCBhL2Ry
aXZlcnMvZ3B1L2RybS9leHlub3MvcmVncy1taXhlci5oIGIvZHJpdmVycy9ncHUvZHJtL2V4eW5v
cy9yZWdzLW1peGVyLmgKPiBpbmRleCA3ZjIyZGY1Li5jMzExZjU3IDEwMDY0NAo+IC0tLSBhL2Ry
aXZlcnMvZ3B1L2RybS9leHlub3MvcmVncy1taXhlci5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJt
L2V4eW5vcy9yZWdzLW1peGVyLmgKPiBAQCAtMTQwLDExICsxNDAsMTEgQEAKPiAgI2RlZmluZSBN
WFJfSU5UX0VOX1ZTWU5DCQkoMSA8PCAxMSkKPiAgI2RlZmluZSBNWFJfSU5UX0VOX0FMTAkJCSgw
eDBmIDw8IDgpCj4gIAo+IC0vKiBiaXQgZm9yIE1YUl9JTlRfU1RBVFVTICovCj4gKy8qIGJpdHMg
Zm9yIE1YUl9JTlRfU1RBVFVTICovCj4gICNkZWZpbmUgTVhSX0lOVF9DTEVBUl9WU1lOQwkJKDEg
PDwgMTEpCj4gICNkZWZpbmUgTVhSX0lOVF9TVEFUVVNfVlNZTkMJCSgxIDw8IDApCj4gIAo+IC0v
KiBiaXQgZm9yIE1YUl9MQVlFUl9DRkcgKi8KPiArLyogYml0cyBmb3IgTVhSX0xBWUVSX0NGRyAq
Lwo+ICAjZGVmaW5lIE1YUl9MQVlFUl9DRkdfR1JQMV9WQUwoeCkJTVhSX01BU0tfVkFMKHgsIDEx
LCA4KQo+ICAjZGVmaW5lIE1YUl9MQVlFUl9DRkdfR1JQMV9NQVNLCQlNWFJfTEFZRVJfQ0ZHX0dS
UDFfVkFMKH4wKQo+ICAjZGVmaW5lIE1YUl9MQVlFUl9DRkdfR1JQMF9WQUwoeCkJTVhSX01BU0tf
VkFMKHgsIDcsIDQpCj4gQEAgLTE1Miw1ICsxNTIsOCBAQAo+ICAjZGVmaW5lIE1YUl9MQVlFUl9D
RkdfVlBfVkFMKHgpCQlNWFJfTUFTS19WQUwoeCwgMywgMCkKPiAgI2RlZmluZSBNWFJfTEFZRVJf
Q0ZHX1ZQX01BU0sJCU1YUl9MQVlFUl9DRkdfVlBfVkFMKH4wKQo+ICAKPiArLyogYml0cyBmb3Ig
TVhSX0NNX0NPRUZGX1kgKi8KPiArI2RlZmluZSBNWFJfQ01fQ09FRkZfUkdCX0ZVTEwJCSgxIDw8
IDMwKQo+ICsKPiAgI2VuZGlmIC8qIFNBTVNVTkdfUkVHU19NSVhFUl9IICovCj4gIAo+IAoKX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1h
aWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu
ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==