From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sam Ravnborg Subject: Re: [PATCH 1/5] drm/panel: Add helper for reading DT rotation Date: Wed, 12 Jun 2019 23:18:07 +0200 Message-ID: <20190612211807.GA13155@ravnborg.org> References: <20190611040350.90064-1-dbasehore@chromium.org> <20190611040350.90064-2-dbasehore@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20190611040350.90064-2-dbasehore@chromium.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Derek Basehore Cc: Mark Rutland , devicetree@vger.kernel.org, Philipp Zabel , David Airlie , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Maxime Ripard , Rob Herring , dri-devel@lists.freedesktop.org, CK Hu , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Matthias Brugger List-Id: devicetree@vger.kernel.org SGkgRGVyZWsuCgpPbiBNb24sIEp1biAxMCwgMjAxOSBhdCAwOTowMzo0NlBNIC0wNzAwLCBEZXJl ayBCYXNlaG9yZSB3cm90ZToKPiBUaGlzIGFkZHMgYSBoZWxwZXIgZnVuY3Rpb24gZm9yIHJlYWRp bmcgdGhlIHJvdGF0aW9uIChwYW5lbAo+IG9yaWVudGF0aW9uKSBmcm9tIHRoZSBkZXZpY2UgdHJl ZS4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBEZXJlayBCYXNlaG9yZSA8ZGJhc2Vob3JlQGNocm9taXVt Lm9yZz4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2RybV9wYW5lbC5jIHwgNDEgKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICBpbmNsdWRlL2RybS9kcm1fcGFuZWwuaCAg ICAgfCAgNyArKysrKysrCj4gIDIgZmlsZXMgY2hhbmdlZCwgNDggaW5zZXJ0aW9ucygrKQo+IAo+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX3BhbmVsLmMgYi9kcml2ZXJzL2dwdS9k cm0vZHJtX3BhbmVsLmMKPiBpbmRleCBkYmQ1Yjg3M2U4ZjIuLjNiNjg5Y2U0YTUxYSAxMDA2NDQK PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX3BhbmVsLmMKPiArKysgYi9kcml2ZXJzL2dwdS9k cm0vZHJtX3BhbmVsLmMKPiBAQCAtMTcyLDYgKzE3Miw0NyBAQCBzdHJ1Y3QgZHJtX3BhbmVsICpv Zl9kcm1fZmluZF9wYW5lbChjb25zdCBzdHJ1Y3QgZGV2aWNlX25vZGUgKm5wKQo+ICAJcmV0dXJu IEVSUl9QVFIoLUVQUk9CRV9ERUZFUik7Cj4gIH0KPiAgRVhQT1JUX1NZTUJPTChvZl9kcm1fZmlu ZF9wYW5lbCk7Cj4gKwo+ICsvKioKPiArICogb2ZfZHJtX2dldF9wYW5lbF9vcmllbnRhdGlvbiAt IGxvb2sgdXAgdGhlIHJvdGF0aW9uIG9mIHRoZSBwYW5lbCB1c2luZyBhCj4gKyAqIGRldmljZSB0 cmVlIG5vZGUKPiArICogQG5wOiBkZXZpY2UgdHJlZSBub2RlIG9mIHRoZSBwYW5lbAo+ICsgKiBA b3JpZW50YXRpb246IG9yaWVudGF0aW9uIGVudW0gdG8gYmUgZmlsbGVkIGluClRoZSBjb21tZW50 IHNheXMgImVudW0iIGJ1dCB0aGUgdHlwZSB1c2VkIGlzIGFuIGludC4KV2h5IG5vdCB1c2UgZW51 bSBkcm1fcGFuZWxfb3JpZW50YXRpb24/Cgo+ICsgKgo+ICsgKiBMb29rcyB1cCB0aGUgcm90YXRp b24gb2YgYSBwYW5lbCBpbiB0aGUgZGV2aWNlIHRyZWUuIFRoZSByb3RhdGlvbiBpbiB0aGUKPiAr ICogZGV2aWNlIHRyZWUgaXMgY291bnRlciBjbG9ja3dpc2UuCj4gKyAqCj4gKyAqIFJldHVybjog MCB3aGVuIGEgdmFsaWQgcm90YXRpb24gdmFsdWUgKDAsIDkwLCAxODAsIG9yIDI3MCkgaXMgcmVh ZCBvciB0aGUKPiArICogcm90YXRpb24gcHJvcGVydHkgZG9lc24ndCBleGlzdC4gLUVFUlJPUiBv dGhlcndpc2UuCj4gKyAqLwpJbml0aWFsbHkgSSByZWFkIC1FRVJPT1IgYXMgYSBzcGVjaWZpYyBl cnJvciBjb2RlLgpCdXQgSSBndWVzIHRoZSBzZW1hbnRpYyBpcyB0byBzYXkgdGhhdCBhIG5lZ2F0 aXZlIGVycm9yIGNvZGUgaXMgcmV0dXJuZWQKaWYgc29tZXRoaW5nIHdhcyB3cm9uZy4KQXMgd2Ug ZG8gbm90IHVzZSB0aGUgIi1FRVJST1IiIHN5bnRheCBhbnl3aGVyZSBlbHNlIGluIGRybSwgcGxl YXNlCnJld29yZCBsaWtlIHdlIGRvIGluIG90aGVyIHBsYWNlcy4KCgpBbHNvIC0gaXQgaXMgd29y dGggdG8gbWVudGlvbiB0aGF0IHRoZSByb3RhdGlvbiByZXR1cm5lZCBpcwpEUk1fTU9ERV9QQU5F TF9PUklFTlRBVElPTl9VTktOT1dOIGlmIHRoZSBwcm9wZXJ0eSBpcyBub3Qgc3BlY2lmaWVkLgpJ IHdvbmRlciBpZiB0aGlzIGlzIGNvcnJlY3QsIGFzIG5vIHByb3BlcnR5IGNvdWxkIGFsc28gYmVl bgppbnRlcnByZXRhdGVkIGFzIERSTV9NT0RFX1BBTkVMX09SSUVOVEFUSU9OX05PUk1BTC4KQW5k IGluIG1vc3QgY2FzZXMgdGhlIHJvYXRpb24gcHJvcGVydHkgaXMgb3B0aW9uYWwsIHNvIG9uZSBj b3VsZAphc3N1bWUgdGhhdCBubyBwcm9wZXJ0eSBlcXVhbHMgMCBkZWdyZWUuCgoKCVNhbQoKPiAr aW50IG9mX2RybV9nZXRfcGFuZWxfb3JpZW50YXRpb24oY29uc3Qgc3RydWN0IGRldmljZV9ub2Rl ICpucCwgaW50ICpvcmllbnRhdGlvbikKPiArewo+ICsJaW50IHJvdGF0aW9uLCByZXQ7Cj4gKwo+ ICsJcmV0ID0gb2ZfcHJvcGVydHlfcmVhZF91MzIobnAsICJyb3RhdGlvbiIsICZyb3RhdGlvbik7 Cj4gKwlpZiAocmV0ID09IC1FSU5WQUwpIHsKPiArCQkvKiBEb24ndCByZXR1cm4gYW4gZXJyb3Ig aWYgdGhlcmUncyBubyByb3RhdGlvbiBwcm9wZXJ0eS4gKi8KPiArCQkqb3JpZW50YXRpb24gPSBE Uk1fTU9ERV9QQU5FTF9PUklFTlRBVElPTl9VTktOT1dOOwo+ICsJCXJldHVybiAwOwo+ICsJfQo+ ICsKPiArCWlmIChyZXQgPCAwKQo+ICsJCXJldHVybiByZXQ7Cj4gKwo+ICsJaWYgKHJvdGF0aW9u ID09IDApCj4gKwkJKm9yaWVudGF0aW9uID0gRFJNX01PREVfUEFORUxfT1JJRU5UQVRJT05fTk9S TUFMOwo+ICsJZWxzZSBpZiAocm90YXRpb24gPT0gOTApCj4gKwkJKm9yaWVudGF0aW9uID0gRFJN X01PREVfUEFORUxfT1JJRU5UQVRJT05fUklHSFRfVVA7Cj4gKwllbHNlIGlmIChyb3RhdGlvbiA9 PSAxODApCj4gKwkJKm9yaWVudGF0aW9uID0gRFJNX01PREVfUEFORUxfT1JJRU5UQVRJT05fQk9U VE9NX1VQOwo+ICsJZWxzZSBpZiAocm90YXRpb24gPT0gMjcwKQo+ICsJCSpvcmllbnRhdGlvbiA9 IERSTV9NT0RFX1BBTkVMX09SSUVOVEFUSU9OX0xFRlRfVVA7Cj4gKwllbHNlCj4gKwkJcmV0dXJu IC1FSU5WQUw7Cj4gKwo+ICsJcmV0dXJuIDA7Cj4gK30KPiArRVhQT1JUX1NZTUJPTChvZl9kcm1f Z2V0X3BhbmVsX29yaWVudGF0aW9uKTsKPiAgI2VuZGlmCj4gIAo+ICBNT0RVTEVfQVVUSE9SKCJU aGllcnJ5IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPiIpOwo+IGRpZmYgLS1naXQgYS9pbmNs dWRlL2RybS9kcm1fcGFuZWwuaCBiL2luY2x1ZGUvZHJtL2RybV9wYW5lbC5oCj4gaW5kZXggOGM3 MzhjMGU2ZTlmLi4xMzYzMWIyZWZiYWEgMTAwNjQ0Cj4gLS0tIGEvaW5jbHVkZS9kcm0vZHJtX3Bh bmVsLmgKPiArKysgYi9pbmNsdWRlL2RybS9kcm1fcGFuZWwuaAo+IEBAIC0xOTcsMTEgKzE5Nywx OCBAQCBpbnQgZHJtX3BhbmVsX2RldGFjaChzdHJ1Y3QgZHJtX3BhbmVsICpwYW5lbCk7Cj4gIAo+ ICAjaWYgZGVmaW5lZChDT05GSUdfT0YpICYmIGRlZmluZWQoQ09ORklHX0RSTV9QQU5FTCkKPiAg c3RydWN0IGRybV9wYW5lbCAqb2ZfZHJtX2ZpbmRfcGFuZWwoY29uc3Qgc3RydWN0IGRldmljZV9u b2RlICpucCk7Cj4gK2ludCBvZl9kcm1fZ2V0X3BhbmVsX29yaWVudGF0aW9uKGNvbnN0IHN0cnVj dCBkZXZpY2Vfbm9kZSAqbnAsCj4gKwkJCQkgaW50ICpvcmllbnRhdGlvbik7Cj4gICNlbHNlCj4g IHN0YXRpYyBpbmxpbmUgc3RydWN0IGRybV9wYW5lbCAqb2ZfZHJtX2ZpbmRfcGFuZWwoY29uc3Qg c3RydWN0IGRldmljZV9ub2RlICpucCkKPiAgewo+ICAJcmV0dXJuIEVSUl9QVFIoLUVOT0RFVik7 Cj4gIH0KPiAraW50IG9mX2RybV9nZXRfcGFuZWxfb3JpZW50YXRpb24oY29uc3Qgc3RydWN0IGRl dmljZV9ub2RlICpucCwKPiArCQkJCSBpbnQgKm9yaWVudGF0aW9uKQo+ICt7Cj4gKwlyZXR1cm4g LUVOT0RFVjsKPiArfQo+ICAjZW5kaWYKPiAgCj4gICNlbmRpZgo+IC0tIAo+IDIuMjIuMC5yYzIu MzgzLmdmNGZiYmYzMGMyLWdvb2cKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4