From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ezequiel Garcia Subject: Re: [RFC/WIP] drm/rockchip: Support CRTC gamma LUT Date: Tue, 18 Jun 2019 15:37:52 -0300 Message-ID: References: <20190613192244.5447-1-ezequiel@collabora.com> <20190617100600.y6ytaueego6eelxz@uno.localdomain> <5d2391b3a1e718933c17be60d3b8e84d4bfa1a94.camel@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5d2391b3a1e718933c17be60d3b8e84d4bfa1a94.camel@collabora.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jacopo Mondi Cc: Douglas Anderson , dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, Boris Brezillon , Sean Paul , kernel@collabora.com List-Id: linux-rockchip.vger.kernel.org T24gVHVlLCAyMDE5LTA2LTE4IGF0IDAyOjE1IC0wMzAwLCBFemVxdWllbCBHYXJjaWEgd3JvdGU6 Cj4gT24gTW9uLCAyMDE5LTA2LTE3IGF0IDEyOjA2ICswMjAwLCBKYWNvcG8gTW9uZGkgd3JvdGU6 Cj4gPiBIaSBFemVxdWllbCwKPiA+ICAgIG9uZSBzbWFsbCBxdWVzdGlvbiwgYXMgSSdtIHdvcmtp bmcgb24gc3VwcG9ydGluZyBnYW1tYSBMVVQgZm9yCj4gPiByY2FyLWR1IGFzIHdlbGwsIGFuZCB0 aGVyZSdzIG9uZSBwb2ludCBub3QgdG90YWxseSBjbGVhciB0byBtZQo+ID4gCj4gPiAKPiA+IE9u IFRodSwgSnVuIDEzLCAyMDE5IGF0IDA0OjIyOjQ0UE0gLTAzMDAsIEV6ZXF1aWVsIEdhcmNpYSB3 cm90ZToKPiA+ID4gQWRkIENSVEMgZ2FtbWEgTFVUIGNvbmZpZ3VyYXRpb24gb24gUkszMjg4IGFu ZCBSSzMzOTkuCj4gPiA+IAo+ID4gPiBTaWduZWQtb2ZmLWJ5OiBFemVxdWllbCBHYXJjaWEgPGV6 ZXF1aWVsQGNvbGxhYm9yYS5jb20+Cj4gPiA+IC0tLQo+ID4gPiBUaGlzIHBhdGNoIHNlZW1zIHRv IHdvcmsgd2VsbCBvbiBSSzMyODgsIGJ1dCBwcm9kdWNlcwo+ID4gPiBhIGRpc3RvcnRlZCBvdXRw dXQgb24gUkszMzk5LiBJIHdhcyBob3BpbmcKPiA+ID4gc29tZW9uZSBjb3VsZCBoYXZlIGFueSBp ZGVhLCBzbyB3ZSBjYW4gc3VwcG9ydCBib3RoCj4gPiA+IHBsYXRmb3Jtcy4KPiA+ID4gCj4gPiA+ ICBkcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBfZHJtX3ZvcC5jIHwgODcgKysrKysr KysrKysrKysrKysrKysrCj4gPiA+ICBkcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBf ZHJtX3ZvcC5oIHwgIDIgKwo+ID4gPiAgZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL3JvY2tjaGlw X3ZvcF9yZWcuYyB8ICA0ICsKPiA+ID4gIGRyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9yb2NrY2hp cF92b3BfcmVnLmggfCAgMSArCj4gPiA+ICA0IGZpbGVzIGNoYW5nZWQsIDk0IGluc2VydGlvbnMo KykKPiA+ID4gCj4gPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvcm9j a2NoaXBfZHJtX3ZvcC5jIGIvZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL3JvY2tjaGlwX2RybV92 b3AuYwo+ID4gPiBpbmRleCAxMmVkNTI2NWE5MGIuLjgzODE2NzljMTA0NSAxMDA2NDQKPiA+ID4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL3JvY2tjaGlwX2RybV92b3AuYwo+ID4gPiAr KysgYi9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBfZHJtX3ZvcC5jCj4gPiA+IEBA IC0zOCw2ICszOCw4IEBACj4gPiA+ICAjaW5jbHVkZSAicm9ja2NoaXBfZHJtX3ZvcC5oIgo+ID4g PiAgI2luY2x1ZGUgInJvY2tjaGlwX3JnYi5oIgo+ID4gPiAKPiA+ID4gKyNkZWZpbmUgVk9QX0dB TU1BX0xVVF9TSVpFIDEwMjQKPiA+ID4gKwo+ID4gPiAgI2RlZmluZSBWT1BfV0lOX1NFVCh2b3As IHdpbiwgbmFtZSwgdikgXAo+ID4gPiAgCQl2b3BfcmVnX3NldCh2b3AsICZ3aW4tPnBoeS0+bmFt ZSwgd2luLT5iYXNlLCB+MCwgdiwgI25hbWUpCj4gPiA+ICAjZGVmaW5lIFZPUF9TQ0xfU0VUKHZv cCwgd2luLCBuYW1lLCB2KSBcCj4gPiA+IEBAIC0xMzcsNiArMTM5LDcgQEAgc3RydWN0IHZvcCB7 Cj4gPiA+IAo+ID4gPiAgCXVpbnQzMl90ICpyZWdzYmFrOwo+ID4gPiAgCXZvaWQgX19pb21lbSAq cmVnczsKPiA+ID4gKwl2b2lkIF9faW9tZW0gKmx1dF9yZWdzOwo+ID4gPiAKPiA+ID4gIAkvKiBw aHlzaWNhbCBtYXAgbGVuZ3RoIG9mIHZvcCByZWdpc3RlciAqLwo+ID4gPiAgCXVpbnQzMl90IGxl bjsKPiA+ID4gQEAgLTExNTMsNiArMTE1Niw0NiBAQCBzdGF0aWMgdm9pZCB2b3Bfd2FpdF9mb3Jf aXJxX2hhbmRsZXIoc3RydWN0IHZvcCAqdm9wKQo+ID4gPiAgCXN5bmNocm9uaXplX2lycSh2b3At PmlycSk7Cj4gPiA+ICB9Cj4gPiA+IAo+ID4gPiArc3RhdGljIGJvb2wgdm9wX2RzcF9sdXRfaXNf ZW5hYmxlKHN0cnVjdCB2b3AgKnZvcCkKPiA+ID4gK3sKPiA+ID4gKwlyZXR1cm4gdm9wX3JlYWRf cmVnKHZvcCwgMCwgJnZvcC0+ZGF0YS0+Y29tbW9uLT5kc3BfbHV0X2VuKTsKPiA+ID4gK30KPiA+ ID4gKwo+ID4gPiArc3RhdGljIHZvaWQgdm9wX2NydGNfZ2FtbWFfc2V0KHN0cnVjdCB2b3AgKnZv cCwgc3RydWN0IGRybV9jcnRjICpjcnRjLAo+ID4gPiArCQkJICAgICAgIHN0cnVjdCBkcm1fY3J0 Y19zdGF0ZSAqc3RhdGUpCj4gPiA+ICt7Cj4gPiA+ICsJc3RydWN0IGRybV9jb2xvcl9sdXQgKmx1 dDsKPiA+ID4gKwlpbnQgaSwgaWRsZSwgcmV0Owo+ID4gPiArCj4gPiA+ICsJaWYgKCFzdGF0ZS0+ Z2FtbWFfbHV0KQo+ID4gPiArCQlyZXR1cm47Cj4gPiA+ICsJbHV0ID0gc3RhdGUtPmdhbW1hX2x1 dC0+ZGF0YTsKPiA+ID4gKwo+ID4gPiArCXNwaW5fbG9jaygmdm9wLT5yZWdfbG9jayk7Cj4gPiA+ ICsJVk9QX1JFR19TRVQodm9wLCBjb21tb24sIGRzcF9sdXRfZW4sIDApOwo+ID4gPiArCXZvcF9j ZmdfZG9uZSh2b3ApOwo+ID4gPiArCXNwaW5fdW5sb2NrKCZ2b3AtPnJlZ19sb2NrKTsKPiA+ID4g Kwo+ID4gPiArCXJldCA9IHJlYWR4X3BvbGxfdGltZW91dCh2b3BfZHNwX2x1dF9pc19lbmFibGUs IHZvcCwKPiA+ID4gKwkJCSAgIGlkbGUsICFpZGxlLCA1LCAxMCAqIDMwMDAwKTsKPiA+ID4gKwlp ZiAocmV0KQo+ID4gPiArCQlyZXR1cm47Cj4gPiA+ICsKPiA+ID4gKwlzcGluX2xvY2soJnZvcC0+ cmVnX2xvY2spOwo+ID4gPiArCWZvciAoaSA9IDA7IGkgPCBjcnRjLT5nYW1tYV9zaXplOyBpKysp IHsKPiA+ID4gKwkJdTMyIHdvcmQ7Cj4gPiA+ICsKPiA+ID4gKwkJd29yZCA9IChkcm1fY29sb3Jf bHV0X2V4dHJhY3QobHV0W2ldLnJlZCwgMTApIDw8IDIwKSB8Cj4gPiA+ICsJCSAgICAgICAoZHJt X2NvbG9yX2x1dF9leHRyYWN0KGx1dFtpXS5ncmVlbiwgMTApIDw8IDEwKSB8Cj4gPiA+ICsJCQlk cm1fY29sb3JfbHV0X2V4dHJhY3QobHV0W2ldLmJsdWUsIDEwKTsKPiA+ID4gKwkJd3JpdGVsKHdv cmQsIHZvcC0+bHV0X3JlZ3MgKyBpICogNCk7Cj4gPiA+ICsJfQo+ID4gPiArCj4gPiA+ICsJVk9Q X1JFR19TRVQodm9wLCBjb21tb24sIGRzcF9sdXRfZW4sIDEpOwo+ID4gPiArCXZvcF9jZmdfZG9u ZSh2b3ApOwo+ID4gPiArCXNwaW5fdW5sb2NrKCZ2b3AtPnJlZ19sb2NrKTsKPiA+ID4gK30KPiA+ ID4gKwo+ID4gPiAgc3RhdGljIHZvaWQgdm9wX2NydGNfYXRvbWljX2ZsdXNoKHN0cnVjdCBkcm1f Y3J0YyAqY3J0YywKPiA+ID4gIAkJCQkgIHN0cnVjdCBkcm1fY3J0Y19zdGF0ZSAqb2xkX2NydGNf c3RhdGUpCj4gPiA+ICB7Cj4gPiA+IEBAIC0xMjAxLDYgKzEyNDQsOSBAQCBzdGF0aWMgdm9pZCB2 b3BfY3J0Y19hdG9taWNfZmx1c2goc3RydWN0IGRybV9jcnRjICpjcnRjLAo+ID4gPiAgCQlkcm1f ZmxpcF93b3JrX3F1ZXVlKCZ2b3AtPmZiX3VucmVmX3dvcmssIG9sZF9wbGFuZV9zdGF0ZS0+ZmIp Owo+ID4gPiAgCQlzZXRfYml0KFZPUF9QRU5ESU5HX0ZCX1VOUkVGLCAmdm9wLT5wZW5kaW5nKTsK PiA+ID4gIAl9Cj4gPiA+ICsKPiA+ID4gKwlpZiAodm9wLT5sdXRfcmVncyAmJiBjcnRjLT5zdGF0 ZS0+Y29sb3JfbWdtdF9jaGFuZ2VkKQo+ID4gPiArCQl2b3BfY3J0Y19nYW1tYV9zZXQodm9wLCBj cnRjLCBjcnRjLT5zdGF0ZSk7Cj4gPiAKPiA+IFdoaWNoIG9uZSBpcyB0aGUgcmlnaHQgcG9pbnQg d2hlbiB0byBjYWxsIExVVCB1cGRhdGUgZnVuY3Rpb25zPwo+ID4gCj4gPiBJIGluaXRpYWxseSBh ZGRlZCBteSBjYWxsYmFjayBpbiBhdG9taWNfZmx1c2ggYXMgeW91IGRpZCBoZXJlLCBtb3N0bHkK PiA+IGJlY2F1c2UgSSd2ZSBmb3VuZCBleGFtcGxlcyBpbiBvdGhlciBkcml2ZXJzIGluIGRybSBh bmQgd2VudCBpbgo+ID4gY2FyZ28gY3VsdCBtb2RlLiBJJ3ZlIGJlZW4gdGhlbiBzdWdnZXN0ZWQg YnkgTGF1cmVudCB0aGF0IGF0b21pY19mbHVzaCgpCj4gPiBtaWdodCBub3QgYmUgdGhlIHJpZ2h0 IHBsYWNlIHdoZXJlIHRvIGRvIHNvLCBhcyBpdCBnZXRzIGNhbGxlZCBhZnRlcgo+ID4gdGhlIHBs YW5lIHVwZGF0ZXMgKGlpcmMsIHRoZSBEUk0gYXRvbWljIEFQSSBpcyBub3Qgc29tZXRoaW5nIEkn bSB0aGF0Cj4gPiBmYW1pbGlhciB3aXRoIHlldCkuCj4gPiAKPiA+IFNvIEkgbW92ZWQgbXkgTFVU IHVwZGF0ZSBmdW5jdGlvbiBpbiB0aGUgYXRvbWljX2NvbW1pdF90YWlsIGNhbGxiYWNrLAo+ID4g d2hpY2ggaXMgbWVhbnQgdG8gYWN0dWFsbHkgY29tbWl0IGEgQ1JUQyB0byB0aGUgaHcuCj4gPiAK PiA+IFdoYXQncyB5b3VyIG9waW5pb24gb24gdGhpcz8KPiA+IAo+IAo+IEkgaGF2ZSB0byBhZG1p dCB0aGlzIGlzIG5vdCBleGFjdGx5IGNsZWFyIHRvIG1lIGVpdGhlci4KPiAKPiBMZXQgbWUgbWFr ZSBzdXJlIEkgdW5kZXJzdGFuZCB0aGUgaXNzdWUuIFlvdSBhcmUgY29uY2VybmVkIGFib3V0Cj4g Z2V0dGluZyBzb21lIHRlYXJpbmcgaWYgdGhlIENSVEMgZ2FtbWEgTFVUIGlzIGFmZmVjdGVkCj4g aW4gdGhlIGF0b21pY19mbHVzaD8KPiAKPiBJZiB0aGF0J3MgdGhlIGNhc2UsIGl0IHNob3VsZG4n dCBiZSB0b28gaGFyZCB0byBjb25maXJtIChJIHRoaW5rKS4KPiAKCkFzIHdlIHN1c3BlY3RlZCwg aW5kZWVkIHNldHRpbmcgdGhlIGdhbW1hIGx1dCBpbiBhdG9taWNfZmx1c2gKaXMgZXhwb3NlZCB0 byB0ZWFyaW5nLCBpZiB0aGUgYXRvbWljIEFQSSBpcyB1c2VkLgoKQXMgTGF1cmVudCBzdWdnZXN0 ZWQgeW91LCBzZXR0aW5nIGZyb20gYXRvbWljX2NvbW1pdF90YWlsIHNlZW1zIGNvcnJlY3QsCmFz IGFuIGV4YW1wbGUgeW91IGNhbiBzZWUgdGhlIG1hbGlkcCBkcml2ZXIuCgpJJ20gcHJlcGFyaW5n IGEgdjIgcGF0Y2guCgpUaGFua3MsCkV6ZXF1aWVsCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9kcmktZGV2ZWw=