From mboxrd@z Thu Jan 1 00:00:00 1970 From: Derek Basehore Subject: [PATCH v3 1/4] drm/panel: Add helper for reading DT rotation Date: Fri, 21 Jun 2019 20:41:02 -0700 Message-ID: <20190622034105.188454-2-dbasehore@chromium.org> References: <20190622034105.188454-1-dbasehore@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190622034105.188454-1-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: linux-kernel@vger.kernel.org Cc: Derek Basehore , Philipp Zabel , Maxime Ripard , Sam Ravnborg , intel-gfx@lists.freedesktop.org, David Airlie , Matthias Brugger , dri-devel@lists.freedesktop.org, CK Hu , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org List-Id: linux-mediatek@lists.infradead.org VGhpcyBhZGRzIGEgaGVscGVyIGZ1bmN0aW9uIGZvciByZWFkaW5nIHRoZSByb3RhdGlvbiAocGFu ZWwKb3JpZW50YXRpb24pIGZyb20gdGhlIGRldmljZSB0cmVlLgoKU2lnbmVkLW9mZi1ieTogRGVy ZWsgQmFzZWhvcmUgPGRiYXNlaG9yZUBjaHJvbWl1bS5vcmc+Ci0tLQogZHJpdmVycy9ncHUvZHJt L2RybV9wYW5lbC5jIHwgNDIgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwog aW5jbHVkZS9kcm0vZHJtX3BhbmVsLmggICAgIHwgIDcgKysrKysrKwogMiBmaWxlcyBjaGFuZ2Vk LCA0OSBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9wYW5l bC5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9wYW5lbC5jCmluZGV4IGRiZDViODczZThmMi4uNTA3 MDk5YWY0YjU3IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX3BhbmVsLmMKKysrIGIv ZHJpdmVycy9ncHUvZHJtL2RybV9wYW5lbC5jCkBAIC0xNzIsNiArMTcyLDQ4IEBAIHN0cnVjdCBk cm1fcGFuZWwgKm9mX2RybV9maW5kX3BhbmVsKGNvbnN0IHN0cnVjdCBkZXZpY2Vfbm9kZSAqbnAp CiAJcmV0dXJuIEVSUl9QVFIoLUVQUk9CRV9ERUZFUik7CiB9CiBFWFBPUlRfU1lNQk9MKG9mX2Ry bV9maW5kX3BhbmVsKTsKKworLyoqCisgKiBvZl9kcm1fZ2V0X3BhbmVsX29yaWVudGF0aW9uIC0g bG9vayB1cCB0aGUgcm90YXRpb24gb2YgdGhlIHBhbmVsIHVzaW5nIGEKKyAqIGRldmljZSB0cmVl IG5vZGUKKyAqIEBucDogZGV2aWNlIHRyZWUgbm9kZSBvZiB0aGUgcGFuZWwKKyAqIEBvcmllbnRh dGlvbjogb3JpZW50YXRpb24gZW51bSB0byBiZSBmaWxsZWQgaW4KKyAqCisgKiBMb29rcyB1cCB0 aGUgcm90YXRpb24gb2YgYSBwYW5lbCBpbiB0aGUgZGV2aWNlIHRyZWUuIFRoZSByb3RhdGlvbiBp biB0aGUKKyAqIGRldmljZSB0cmVlIGlzIGNvdW50ZXIgY2xvY2t3aXNlLgorICoKKyAqIFJldHVy bjogMCB3aGVuIGEgdmFsaWQgcm90YXRpb24gdmFsdWUgKDAsIDkwLCAxODAsIG9yIDI3MCkgaXMg cmVhZCBvciB0aGUKKyAqIHJvdGF0aW9uIHByb3BlcnR5IGRvZXNuJ3QgZXhpc3QuIC1FRVJST1Ig b3RoZXJ3aXNlLgorICovCitpbnQgb2ZfZHJtX2dldF9wYW5lbF9vcmllbnRhdGlvbihjb25zdCBz dHJ1Y3QgZGV2aWNlX25vZGUgKm5wLAorCQkJCSBlbnVtIGRybV9wYW5lbF9vcmllbnRhdGlvbiAq b3JpZW50YXRpb24pCit7CisJaW50IHJvdGF0aW9uLCByZXQ7CisKKwlyZXQgPSBvZl9wcm9wZXJ0 eV9yZWFkX3UzMihucCwgInJvdGF0aW9uIiwgJnJvdGF0aW9uKTsKKwlpZiAocmV0ID09IC1FSU5W QUwpIHsKKwkJLyogRG9uJ3QgcmV0dXJuIGFuIGVycm9yIGlmIHRoZXJlJ3Mgbm8gcm90YXRpb24g cHJvcGVydHkuICovCisJCSpvcmllbnRhdGlvbiA9IERSTV9NT0RFX1BBTkVMX09SSUVOVEFUSU9O X1VOS05PV047CisJCXJldHVybiAwOworCX0KKworCWlmIChyZXQgPCAwKQorCQlyZXR1cm4gcmV0 OworCisJaWYgKHJvdGF0aW9uID09IDApCisJCSpvcmllbnRhdGlvbiA9IERSTV9NT0RFX1BBTkVM X09SSUVOVEFUSU9OX05PUk1BTDsKKwllbHNlIGlmIChyb3RhdGlvbiA9PSA5MCkKKwkJKm9yaWVu dGF0aW9uID0gRFJNX01PREVfUEFORUxfT1JJRU5UQVRJT05fUklHSFRfVVA7CisJZWxzZSBpZiAo cm90YXRpb24gPT0gMTgwKQorCQkqb3JpZW50YXRpb24gPSBEUk1fTU9ERV9QQU5FTF9PUklFTlRB VElPTl9CT1RUT01fVVA7CisJZWxzZSBpZiAocm90YXRpb24gPT0gMjcwKQorCQkqb3JpZW50YXRp b24gPSBEUk1fTU9ERV9QQU5FTF9PUklFTlRBVElPTl9MRUZUX1VQOworCWVsc2UKKwkJcmV0dXJu IC1FSU5WQUw7CisKKwlyZXR1cm4gMDsKK30KK0VYUE9SVF9TWU1CT0wob2ZfZHJtX2dldF9wYW5l bF9vcmllbnRhdGlvbik7CiAjZW5kaWYKIAogTU9EVUxFX0FVVEhPUigiVGhpZXJyeSBSZWRpbmcg PHRyZWRpbmdAbnZpZGlhLmNvbT4iKTsKZGlmZiAtLWdpdCBhL2luY2x1ZGUvZHJtL2RybV9wYW5l bC5oIGIvaW5jbHVkZS9kcm0vZHJtX3BhbmVsLmgKaW5kZXggOGM3MzhjMGU2ZTlmLi4zNTY0OTUy ZjFhNGYgMTAwNjQ0Ci0tLSBhL2luY2x1ZGUvZHJtL2RybV9wYW5lbC5oCisrKyBiL2luY2x1ZGUv ZHJtL2RybV9wYW5lbC5oCkBAIC0xOTcsMTEgKzE5NywxOCBAQCBpbnQgZHJtX3BhbmVsX2RldGFj aChzdHJ1Y3QgZHJtX3BhbmVsICpwYW5lbCk7CiAKICNpZiBkZWZpbmVkKENPTkZJR19PRikgJiYg ZGVmaW5lZChDT05GSUdfRFJNX1BBTkVMKQogc3RydWN0IGRybV9wYW5lbCAqb2ZfZHJtX2ZpbmRf cGFuZWwoY29uc3Qgc3RydWN0IGRldmljZV9ub2RlICpucCk7CitpbnQgb2ZfZHJtX2dldF9wYW5l bF9vcmllbnRhdGlvbihjb25zdCBzdHJ1Y3QgZGV2aWNlX25vZGUgKm5wLAorCQkJCSBlbnVtIGRy bV9wYW5lbF9vcmllbnRhdGlvbiAqb3JpZW50YXRpb24pOwogI2Vsc2UKIHN0YXRpYyBpbmxpbmUg c3RydWN0IGRybV9wYW5lbCAqb2ZfZHJtX2ZpbmRfcGFuZWwoY29uc3Qgc3RydWN0IGRldmljZV9u b2RlICpucCkKIHsKIAlyZXR1cm4gRVJSX1BUUigtRU5PREVWKTsKIH0KK2ludCBvZl9kcm1fZ2V0 X3BhbmVsX29yaWVudGF0aW9uKGNvbnN0IHN0cnVjdCBkZXZpY2Vfbm9kZSAqbnAsCisJCQkJIGVu dW0gZHJtX3BhbmVsX29yaWVudGF0aW9uICpvcmllbnRhdGlvbikKK3sKKwlyZXR1cm4gLUVOT0RF VjsKK30KICNlbmRpZgogCiAjZW5kaWYKLS0gCjIuMjIuMC40MTAuZ2Q4ZmRiZTIxYjUtZ29vZwoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4