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Wed, 6 Jan 2021 20:28:05 +0100 (CET) Received: from ubuntu.localdomain (146-241-198-163.dyn.eolo.it [146.241.198.163]) by mail.micronovasrl.com (Postfix) with ESMTPSA id D3D2DB04586; Wed, 6 Jan 2021 20:28:02 +0100 (CET) From: Giulio Benetti To: Maxime Ripard Subject: [PATCH 2/2] drm/sun4i: tcon: improve DCLK polarity handling Date: Wed, 6 Jan 2021 20:28:00 +0100 Message-Id: <20210106192800.164052-3-giulio.benetti@micronovasrl.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210106192800.164052-1-giulio.benetti@micronovasrl.com> References: <20210106192800.164052-1-giulio.benetti@micronovasrl.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210106_192943_222559_D6604140 X-CRM114-Status: GOOD ( 12.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jernej Skrabec , airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, wens@csie.org, linux-arm-kernel@lists.infradead.org, daniel@ffwll.ch, treding@nvidia.com, Giulio Benetti , Marjan Pascolo Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SXQgdHVybmVkIG91dChNYXhpbWUgc3VnZ2VzdGlvbikgdGhhdCBiaXQgMjYgb2YgU1VONElfVENP TjBfSU9fUE9MX1JFRyBpcwpkZWRpY2F0ZWQgdG8gaW52ZXJ0IERDTEsgcG9sYXJpdHkgYW5kIHRo aXMgbWFrZXMgdGhpbmcgcmVhbGx5IGVhc2llciB0aGFuCmJlZm9yZS4gU28gbGV0J3MgaGFuZGxl IERDTEsgcG9sYXJpdHkgYnkgYWRkaW5nClNVTjRJX1RDT04wX0lPX1BPTF9EQ0xLX1BPU0lUSVZF IGFzIGJpdCAyNiBhbmQgYWN0aXZhdGluZyBhY2NvcmRpbmcgdG8KYnVzX2ZsYWdzIHRoZSBzYW1l IHdheSBpcyBkb25lIGZvciBhbGwgdGhlIG90aGVyIHNpZ25hbHMuCgpDYzogTWF4aW1lIFJpcGFy ZCA8bWF4aW1lQGNlcm5vLnRlY2g+ClNpZ25lZC1vZmYtYnk6IEdpdWxpbyBCZW5ldHRpIDxnaXVs aW8uYmVuZXR0aUBtaWNyb25vdmFzcmwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9zdW40aS9z dW40aV90Y29uLmMgfCAyMCArLS0tLS0tLS0tLS0tLS0tLS0tLQogZHJpdmVycy9ncHUvZHJtL3N1 bjRpL3N1bjRpX3Rjb24uaCB8ICAxICsKIDIgZmlsZXMgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCsp LCAxOSBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vc3VuNGkvc3Vu NGlfdGNvbi5jIGIvZHJpdmVycy9ncHUvZHJtL3N1bjRpL3N1bjRpX3Rjb24uYwppbmRleCA1MjU5 OGJiMGZiMGIuLjMwMTcxY2NkODdlNSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL3N1bjRp L3N1bjRpX3Rjb24uYworKysgYi9kcml2ZXJzL2dwdS9kcm0vc3VuNGkvc3VuNGlfdGNvbi5jCkBA IC01NjksMjYgKzU2OSw4IEBAIHN0YXRpYyB2b2lkIHN1bjRpX3Rjb24wX21vZGVfc2V0X3JnYihz dHJ1Y3Qgc3VuNGlfdGNvbiAqdGNvbiwKIAlpZiAoaW5mby0+YnVzX2ZsYWdzICYgRFJNX0JVU19G TEFHX0RFX0xPVykKIAkJdmFsIHw9IFNVTjRJX1RDT04wX0lPX1BPTF9ERV9ORUdBVElWRTsKIAot CS8qCi0JICogT24gQTIwIGFuZCBzaW1pbGFyIFNvQ3MsIHRoZSBvbmx5IHdheSB0byBhY2hpZXZl IFBvc2l0aXZlIEVkZ2UKLQkgKiAoUmlzaW5nIEVkZ2UpLCBpcyBzZXR0aW5nIGRjbGsgY2xvY2sg cGhhc2UgdG8gMi8zKDI0MMKwKS4KLQkgKiBCeSBkZWZhdWx0IFRDT04gd29ya3MgaW4gTmVnYXRp dmUgRWRnZShGYWxsaW5nIEVkZ2UpLAotCSAqIHRoaXMgaXMgd2h5IHBoYXNlIGlzIHNldCB0byAw IGluIHRoYXQgY2FzZS4KLQkgKiBVbmZvcnR1bmF0ZWx5IHRoZXJlJ3Mgbm8gd2F5IHRvIGxvZ2lj YWxseSBpbnZlcnQgZGNsayB0aHJvdWdoCi0JICogSU9fUE9MIHJlZ2lzdGVyLgotCSAqIFRoZSBv bmx5IGFjY2VwdGFibGUgd2F5IHRvIHdvcmssIHRyaXBsZSBjaGVja2VkIHdpdGggc2NvcGUsCi0J ICogaXMgdXNpbmcgY2xvY2sgcGhhc2Ugc2V0IHRvIDDCsCBmb3IgTmVnYXRpdmUgRWRnZSBhbmQg c2V0IHRvIDI0MMKwCi0JICogZm9yIFBvc2l0aXZlIEVkZ2UuCi0JICogT24gQTMzIGFuZCBzaW1p bGFyIFNvQ3MgdGhlcmUgd291bGQgYmUgYSA5MMKwIHBoYXNlIG9wdGlvbiwKLQkgKiBidXQgaXQg ZGl2aWRlcyBhbHNvIGRjbGsgYnkgMi4KLQkgKiBGb2xsb3dpbmcgY29kZSBpcyBhIHdheSB0byBh dm9pZCBxdWlya3MgYWxsIGFyb3VuZCBUQ09OCi0JICogYW5kIERPVENMT0NLIGRyaXZlcnMuCi0J ICovCiAJaWYgKGluZm8tPmJ1c19mbGFncyAmIERSTV9CVVNfRkxBR19QSVhEQVRBX0RSSVZFX1BP U0VER0UpCi0JCWNsa19zZXRfcGhhc2UodGNvbi0+ZGNsaywgMCk7Ci0KLQlpZiAoaW5mby0+YnVz X2ZsYWdzICYgRFJNX0JVU19GTEFHX1BJWERBVEFfRFJJVkVfTkVHRURHRSkKLQkJY2xrX3NldF9w aGFzZSh0Y29uLT5kY2xrLCAyNDApOworCQl2YWwgfD0gU1VONElfVENPTjBfSU9fUE9MX0RDTEtf UE9TSVRJVkU7CiAKIAlyZWdtYXBfdXBkYXRlX2JpdHModGNvbi0+cmVncywgU1VONElfVENPTjBf SU9fUE9MX1JFRywKIAkJCSAgIFNVTjRJX1RDT04wX0lPX1BPTF9IU1lOQ19QT1NJVElWRSB8CmRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vc3VuNGkvc3VuNGlfdGNvbi5oIGIvZHJpdmVycy9n cHUvZHJtL3N1bjRpL3N1bjRpX3Rjb24uaAppbmRleCBjZmJmNGU2YzE2NzkuLjBjZTcxZDEwYTMx YiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL3N1bjRpL3N1bjRpX3Rjb24uaAorKysgYi9k cml2ZXJzL2dwdS9kcm0vc3VuNGkvc3VuNGlfdGNvbi5oCkBAIC0xMTMsNiArMTEzLDcgQEAKICNk ZWZpbmUgU1VONElfVENPTjBfSU9fUE9MX1JFRwkJCTB4ODgKICNkZWZpbmUgU1VONElfVENPTjBf SU9fUE9MX0RDTEtfUEhBU0UocGhhc2UpCQkoKHBoYXNlICYgMykgPDwgMjgpCiAjZGVmaW5lIFNV TjRJX1RDT04wX0lPX1BPTF9ERV9ORUdBVElWRQkJCUJJVCgyNykKKyNkZWZpbmUgU1VONElfVENP TjBfSU9fUE9MX0RDTEtfUE9TSVRJVkUJCUJJVCgyNikKICNkZWZpbmUgU1VONElfVENPTjBfSU9f UE9MX0hTWU5DX1BPU0lUSVZFCQlCSVQoMjUpCiAjZGVmaW5lIFNVTjRJX1RDT04wX0lPX1BPTF9W U1lOQ19QT1NJVElWRQkJQklUKDI0KQogCi0tIAoyLjI1LjEKCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlz dApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==