From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: Re: [RFC/WIP] drm/rockchip: Support CRTC gamma LUT Date: Fri, 14 Jun 2019 16:08:11 +0200 Message-ID: <20190614160811.7605d7b7@collabora.com> References: <20190613192244.5447-1-ezequiel@collabora.com> <20190614155320.348d42af@collabora.com> <4034618.A4UzVy7svI@diego> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <4034618.A4UzVy7svI@diego> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Heiko =?UTF-8?B?U3TDvGJuZXI=?= Cc: dri-devel@lists.freedesktop.org, Douglas Anderson , linux-rockchip@lists.infradead.org, Sean Paul , kernel@collabora.com, Ezequiel Garcia List-Id: linux-rockchip.vger.kernel.org T24gRnJpLCAxNCBKdW4gMjAxOSAxNjowMzoyOCArMDIwMApIZWlrbyBTdMO8Ym5lciA8aGVpa29A c250ZWNoLmRlPiB3cm90ZToKCj4gSGkgQm9yaXMsCj4gCj4gQW0gRnJlaXRhZywgMTQuIEp1bmkg MjAxOSwgMTU6NTM6MjAgQ0VTVCBzY2hyaWViIEJvcmlzIEJyZXppbGxvbjoKPiA+IE9uIFRodSwg MTMgSnVuIDIwMTkgMTY6MjI6NDQgLTAzMDAKPiA+IEV6ZXF1aWVsIEdhcmNpYSA8ZXplcXVpZWxA Y29sbGFib3JhLmNvbT4gd3JvdGU6Cj4gPiAKPiA+ICAgCj4gPiA+ICtzdGF0aWMgaW50IHZvcF9n YW1tYV9sdXRfcmVxdWVzdChzdHJ1Y3QgZGV2aWNlICpkZXYsCj4gPiA+ICsJCQkJIHN0cnVjdCBy ZXNvdXJjZSAqcmVzLCBzdHJ1Y3Qgdm9wICp2b3ApCj4gPiA+ICt7Cj4gPiA+ICsJcmVzb3VyY2Vf c2l6ZV90IG9mZnNldCA9IHZvcC0+ZGF0YS0+Z2FtbWFfbHV0X2FkZHJfb2ZmOwo+ID4gPiArCXJl c291cmNlX3NpemVfdCBzaXplID0gVk9QX0dBTU1BX0xVVF9TSVpFICogNDsKPiA+ID4gKwo+ID4g PiArCS8qCj4gPiA+ICsJICogU29tZSBTb0NzIChlLmcuIFJLMzI4OCkgaGF2ZSB0aGUgZ2FtbWEg TFVUIGFkZHJlc3MgYWZ0ZXIKPiA+ID4gKwkgKiB0aGUgTU1VIHJlZ2lzdGVycywgd2hpY2ggbWVh bnMgd2UgY2FuJ3QgcmVxdWVzdCBhbmQgaW9yZW1hcAo+ID4gPiArCSAqIHRoZSBlbnRpcmUgcmVn aXN0ZXIgc2V0LiBPdGhlciAoZS5nLiBSSzMzOTkpIGhhdmUgZ2FtbWEgTFVUCj4gPiA+ICsJICog YWRkcmVzcyBiZWZvcmUgTU1VLgo+ID4gPiArCSAqCj4gPiA+ICsJICogVGhlcmVmb3JlLCB3ZSBu ZWVkIHRvIHJlcXVlc3QgYW5kIGlvcmVtYXAgdGhvc2UgdGhhdCBoYXZlbid0Cj4gPiA+ICsJICog YmVlbiBhbHJlYWR5Lgo+ID4gPiArCSAqLwo+ID4gPiArCWlmICh2b3AtPmxlbiA+PSAob2Zmc2V0 ICsgc2l6ZSkpIHsKPiA+ID4gKwkJdm9wLT5sdXRfcmVncyA9IHZvcC0+cmVncyArIG9mZnNldDsK PiA+ID4gKwkJcmV0dXJuIDA7Cj4gPiA+ICsJfQo+ID4gPiArCj4gPiA+ICsJaWYgKCFkZXZtX3Jl cXVlc3RfbWVtX3JlZ2lvbihkZXYsIHJlcy0+c3RhcnQgKyBvZmZzZXQsCj4gPiA+ICsJCQkJICAg ICBzaXplLCBkZXZfbmFtZShkZXYpKSkgewo+ID4gPiArCQlkZXZfd2FybihkZXYsICJjYW4ndCBy ZXF1ZXN0IGdhbW1hIGx1dCByZWdpb25cbiIpOwo+ID4gPiArCQlyZXR1cm4gLUVCVVNZOwo+ID4g PiArCX0KPiA+ID4gKwo+ID4gPiArCXZvcC0+bHV0X3JlZ3MgPSBkZXZtX2lvcmVtYXAoZGV2LCBy ZXMtPnN0YXJ0ICsgb2Zmc2V0LCBzaXplKTsKPiA+ID4gKwlpZiAoIXZvcC0+bHV0X3JlZ3MpIHsK PiA+ID4gKwkJZGV2X2VycihkZXYsICJjYW4ndCBpb3JlbWFwIGdhbW1hIGx1dCBhZGRyZXNzXG4i KTsKPiA+ID4gKwkJZGV2bV9yZWxlYXNlX21lbV9yZWdpb24oZGV2LCByZXMtPnN0YXJ0ICsgb2Zm c2V0LCBzaXplKTsKPiA+ID4gKwkJcmV0dXJuIC1FTk9NRU07Cj4gPiA+ICsJfSAgCj4gPiAKPiA+ IENhbid0IHdlIHBhdGNoIHRoZSByZXNvdXJjZSBqdXN0IGFmdGVyIGNhbGxpbmcgcGxhZm9ybV9n ZXRfcmVzb3VyY2UoKQo+ID4gKGFuZCBiZWZvcmUgY2FsbGluZyBkZXZtX2lvcmVtYXBfcmVzb3Vy Y2UoKSkgc28gd2UgZG9uJ3QgaGF2ZSB0byBhZGQKPiA+IHRoZXNlIGRldm1fcmVxdWVzdF9tZW1f cmVnaW9uKCkrZGV2bV9pb3JlbWFwKCkgY2FsbHMgaGVyZT8gIAo+IAo+IFRoZSBpc3N1ZSBpcyB0 aGF0IG9uIHRoZSBvbGRlciByazMyODggc29jcyB0aGUgdm9wcyBtZW1vcnkgbWFwIGhhcwo+IHRo ZSBtbXUgcmVnaXN0ZXJzICh3aGljaCBnZXQgbWFwcGVkIHNlcGFyYXRlbHkpIGluIGJldHdlZW4g dGhlIGNvcmUKPiBhbmQgbHV0IHJlZ2lzdGVycy4KClNvcnJ5IGZvciB0aGUgbm9pc2UsIEkgdGhv dWdodCB0aGUgTU1VIHdhcyByZWdpc3RlcmVkIGRpcmVjdGx5IGJ5IHRoZQpWT1AgZHJpdmVyIGFu ZCB3ZSBjb3VsZCBhdm9pZCB0aGUgMyBpb3JlbWFwIGFuZCBtZXJnZSB0aGluZ3MgaW50byBhCnNp bmdsZSBvbmUsIGJ1dCBpdCBzZWVtcyB0aGUgTU1VIGRyaXZlciBpcyBhIHNlcGFyYXRlIHRoaW5n LgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2 ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw=