From mboxrd@z Thu Jan 1 00:00:00 1970 From: CK Hu Subject: Re: [PATCH v6 1/8] drm/mediatek: recalculate hdmi phy clock of MT2701 by querying hardware Date: Thu, 21 Mar 2019 11:23:10 +0800 Message-ID: <1553138590.18216.26.camel@mtksdaap41> References: <20190225020912.29120-1-wangyan.wang@mediatek.com> <20190225020912.29120-2-wangyan.wang@mediatek.com> <1551866854.1001.6.camel@mtksdaap41> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTP id 9169189CF4 for ; Thu, 21 Mar 2019 03:23:16 +0000 (UTC) In-Reply-To: <1551866854.1001.6.camel@mtksdaap41> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: wangyan wang Cc: Ryder Lee , srv_heupstream@mediatek.com, chunhui dai , Stephen Boyd , Michael Turquette , Sean Wang , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , linux-mediatek@lists.infradead.org, Matthias Brugger , Colin Ian King , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: dri-devel@lists.freedesktop.org SGksIFdhbmd5YW46CgpPbiBXZWQsIDIwMTktMDMtMDYgYXQgMTg6MDcgKzA4MDAsIENLIEh1IHdy b3RlOgo+IEhpLCBXYW5neWFuOgo+IAo+IE9uIE1vbiwgMjAxOS0wMi0yNSBhdCAxMDowOSArMDgw MCwgd2FuZ3lhbiB3YW5nIHdyb3RlOgo+ID4gRnJvbTogY2h1bmh1aSBkYWkgPGNodW5odWkuZGFp QG1lZGlhdGVrLmNvbT4KPiA+IAo+ID4gUmVjYWxjdWxhdGUgdGhlIHJhdGUgb2YgdGhpcyBjbG9j aywgYnkgcXVlcnlpbmcgaGFyZHdhcmUuCj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IGNodW5odWkg ZGFpIDxjaHVuaHVpLmRhaUBtZWRpYXRlay5jb20+Cj4gPiBTaWduZWQtb2ZmLWJ5OiB3YW5neWFu IHdhbmcgPHdhbmd5YW4ud2FuZ0BtZWRpYXRlay5jb20+Cj4gPiAtLS0KPiA+ICBkcml2ZXJzL2dw dS9kcm0vbWVkaWF0ZWsvbXRrX2hkbWlfcGh5LmMgICAgICAgIHwgIDcgKystLS0tCj4gPiAgZHJp dmVycy9ncHUvZHJtL21lZGlhdGVrL210a19oZG1pX3BoeS5oICAgICAgICB8ICAzICstLQo+ID4g IGRyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfbXQyNzAxX2hkbWlfcGh5LmMgfCAzNSArKysr KysrKysrKysrKysrKysrKysrKysrKwo+ID4gIGRyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtf bXQ4MTczX2hkbWlfcGh5LmMgfCAgOCArKysrKysKPiA+ICA0IGZpbGVzIGNoYW5nZWQsIDQ2IGlu c2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2hkbWlfcGh5LmMgYi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0 ZWsvbXRrX2hkbWlfcGh5LmMKPiA+IGluZGV4IDRlZjljNTdmZmQ0NC4uMTNjNWU2NWI5ZWFkIDEw MDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19oZG1pX3BoeS5jCj4g PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2hkbWlfcGh5LmMKPiA+IEBAIC0y OSwxMiArMjksOSBAQCBsb25nIG10a19oZG1pX3BsbF9yb3VuZF9yYXRlKHN0cnVjdCBjbGtfaHcg Kmh3LCB1bnNpZ25lZCBsb25nIHJhdGUsCj4gPiAgCXJldHVybiByYXRlOwo+ID4gIH0KPiA+ICAK PiA+IC11bnNpZ25lZCBsb25nIG10a19oZG1pX3BsbF9yZWNhbGNfcmF0ZShzdHJ1Y3QgY2xrX2h3 ICpodywKPiA+IC0JCQkJICAgICAgIHVuc2lnbmVkIGxvbmcgcGFyZW50X3JhdGUpCj4gPiArdTMy IG10a19oZG1pX3BoeV9yZWFkKHN0cnVjdCBtdGtfaGRtaV9waHkgKmhkbWlfcGh5LCB1MzIgb2Zm c2V0KQo+ID4gIHsKPiA+IC0Jc3RydWN0IG10a19oZG1pX3BoeSAqaGRtaV9waHkgPSB0b19tdGtf aGRtaV9waHkoaHcpOwo+ID4gLQo+ID4gLQlyZXR1cm4gaGRtaV9waHktPnBsbF9yYXRlOwo+ID4g KwlyZXR1cm4gcmVhZGwoaGRtaV9waHktPnJlZ3MgKyBvZmZzZXQpOwo+ID4gIH0KPiA+ICAKPiA+ ICB2b2lkIG10a19oZG1pX3BoeV9jbGVhcl9iaXRzKHN0cnVjdCBtdGtfaGRtaV9waHkgKmhkbWlf cGh5LCB1MzIgb2Zmc2V0LAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRl ay9tdGtfaGRtaV9waHkuaCBiL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfaGRtaV9waHku aAo+ID4gaW5kZXggZjM5YjFmYzY2NjEyLi5mZGFkOGIxN2E5MTUgMTAwNjQ0Cj4gPiAtLS0gYS9k cml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2hkbWlfcGh5LmgKPiA+ICsrKyBiL2RyaXZlcnMv Z3B1L2RybS9tZWRpYXRlay9tdGtfaGRtaV9waHkuaAo+ID4gQEAgLTQxLDYgKzQxLDcgQEAgc3Ry dWN0IG10a19oZG1pX3BoeSB7Cj4gPiAgCXVuc2lnbmVkIGludCBpYmlhc191cDsKPiA+ICB9Owo+ ID4gIAo+ID4gK3UzMiBtdGtfaGRtaV9waHlfcmVhZChzdHJ1Y3QgbXRrX2hkbWlfcGh5ICpoZG1p X3BoeSwgdTMyIG9mZnNldCk7Cj4gPiAgdm9pZCBtdGtfaGRtaV9waHlfY2xlYXJfYml0cyhzdHJ1 Y3QgbXRrX2hkbWlfcGh5ICpoZG1pX3BoeSwgdTMyIG9mZnNldCwKPiA+ICAJCQkgICAgIHUzMiBi aXRzKTsKPiA+ICB2b2lkIG10a19oZG1pX3BoeV9zZXRfYml0cyhzdHJ1Y3QgbXRrX2hkbWlfcGh5 ICpoZG1pX3BoeSwgdTMyIG9mZnNldCwKPiA+IEBAIC01MCw4ICs1MSw2IEBAIHZvaWQgbXRrX2hk bWlfcGh5X21hc2soc3RydWN0IG10a19oZG1pX3BoeSAqaGRtaV9waHksIHUzMiBvZmZzZXQsCj4g PiAgc3RydWN0IG10a19oZG1pX3BoeSAqdG9fbXRrX2hkbWlfcGh5KHN0cnVjdCBjbGtfaHcgKmh3 KTsKPiA+ICBsb25nIG10a19oZG1pX3BsbF9yb3VuZF9yYXRlKHN0cnVjdCBjbGtfaHcgKmh3LCB1 bnNpZ25lZCBsb25nIHJhdGUsCj4gPiAgCQkJICAgICB1bnNpZ25lZCBsb25nICpwYXJlbnRfcmF0 ZSk7Cj4gPiAtdW5zaWduZWQgbG9uZyBtdGtfaGRtaV9wbGxfcmVjYWxjX3JhdGUoc3RydWN0IGNs a19odyAqaHcsCj4gPiAtCQkJCSAgICAgICB1bnNpZ25lZCBsb25nIHBhcmVudF9yYXRlKTsKPiA+ ICAKPiA+ICBleHRlcm4gc3RydWN0IHBsYXRmb3JtX2RyaXZlciBtdGtfaGRtaV9waHlfZHJpdmVy Owo+ID4gIGV4dGVybiBzdHJ1Y3QgbXRrX2hkbWlfcGh5X2NvbmYgbXRrX2hkbWlfcGh5XzgxNzNf Y29uZjsKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX210Mjcw MV9oZG1pX3BoeS5jIGIvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19tdDI3MDFfaGRtaV9w aHkuYwo+ID4gaW5kZXggZmNjNDJkYzZlYTdmLi5iMjVjOWRmYzQzMmEgMTAwNjQ0Cj4gPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX210MjcwMV9oZG1pX3BoeS5jCj4gPiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX210MjcwMV9oZG1pX3BoeS5jCj4gPiBAQCAt MTUzLDYgKzE1Myw0MSBAQCBzdGF0aWMgaW50IG10a19oZG1pX3BsbF9zZXRfcmF0ZShzdHJ1Y3Qg Y2xrX2h3ICpodywgdW5zaWduZWQgbG9uZyByYXRlLAo+ID4gIAkJCSAgUkdfSERNSVRYX0RSVl9J QklBU19NQVNLKTsKPiA+ICAJcmV0dXJuIDA7Cj4gPiAgfQo+ID4gK3N0YXRpYyB1bnNpZ25lZCBs b25nIG10a19oZG1pX3BsbF9yZWNhbGNfcmF0ZShzdHJ1Y3QgY2xrX2h3ICpodywKPiA+ICsJCQkJ ICAgICAgIHVuc2lnbmVkIGxvbmcgcGFyZW50X3JhdGUpCj4gPiArewo+ID4gKwlzdHJ1Y3QgbXRr X2hkbWlfcGh5ICpoZG1pX3BoeSA9IHRvX210a19oZG1pX3BoeShodyk7Cj4gPiArCXVuc2lnbmVk IGxvbmcgb3V0X3JhdGUsIHZhbDsKPiA+ICsKPiA+ICsJdmFsID0gKG10a19oZG1pX3BoeV9yZWFk KGhkbWlfcGh5LCBIRE1JX0NPTjYpCj4gPiArCQkJJiBSR19IVFBMTF9QUkVESVZfTUFTSykgPj4g UkdfSFRQTExfUFJFRElWOwo+ID4gKwlzd2l0Y2ggKHZhbCkgewo+ID4gKwljYXNlIDB4MDA6Cj4g PiArCQlvdXRfcmF0ZSA9IHBhcmVudF9yYXRlOwo+ID4gKwkJYnJlYWs7Cj4gPiArCWNhc2UgMHgw MToKPiA+ICsJCW91dF9yYXRlID0gcGFyZW50X3JhdGUgLyAyOwo+ID4gKwkJYnJlYWs7Cj4gPiAr CWRlZmF1bHQ6Cj4gPiArCQlvdXRfcmF0ZSA9IHBhcmVudF9yYXRlIC8gNDsKPiA+ICsJCWJyZWFr Owo+ID4gKwl9Cj4gPiArCj4gPiArCXZhbCA9IChtdGtfaGRtaV9waHlfcmVhZChoZG1pX3BoeSwg SERNSV9DT042KQo+ID4gKwkJCSYgUkdfSFRQTExfRkJLRElWX01BU0spID4+IFJHX0hUUExMX0ZC S0RJVjsKPiA+ICsJb3V0X3JhdGUgKj0gKHZhbCArIDEpICogMjsKPiA+ICsJdmFsID0gKG10a19o ZG1pX3BoeV9yZWFkKGhkbWlfcGh5LCBIRE1JX0NPTjIpCj4gPiArCQkJJiBSR19IRE1JVFhfVFhf UE9TRElWX01BU0spOwo+ID4gKwo+ID4gKwlvdXRfcmF0ZSA+Pj0gKHZhbCA+PiBSR19IRE1JVFhf VFhfUE9TRElWKTsKPiA+ICsKPiA+ICsJaWYgKG10a19oZG1pX3BoeV9yZWFkKGhkbWlfcGh5LCBI RE1JX0NPTjIpICYgUkdfSERNSVRYX0VOX1RYX1BPU0RJVikKPiA+ICsJCW91dF9yYXRlID0gb3V0 X3JhdGUgLyA1Owo+ID4gKwo+IAo+IEFsbCB0aGUgcmVnaXN0ZXIgeW91IHJlYWQgaGVyZSBpcyBz ZXQgaW4gbXRrX2hkbWlfcGxsX3NldF9yYXRlKCksIHNvIEkKPiB0aGluayB5b3UgY291bGQgZGV0 ZXJtaW5lIHRoZSBvdXRfcmF0ZSBpbiBtdGtfaGRtaV9wbGxfc2V0X3JhdGUoKS4KCkFzIG9mZmxp bmUgZGlzY3VzcywgeW91IG1lbnRpb24gdGhhdCB3aGVuCmNhdCAvc3lzL2tlcm5lbC9kZWJ1Zy9j a2wvY2xrX3N1bW1hcnksIG10a19oZG1pX3BsbF9yZWNhbGNfcmF0ZSgpIGlzCmNhbGxlZCwgc28g cmVhZCByZWdpc3RlciB0byBnZXQgdGhlIHJlYWwgY2xvY2suIFRoZSBjbGtfc3VtbWFyeSBjYWxs CmNsa19jb3JlX2dldF9yYXRlKCkgdG8gZ2V0IHJhdGUsIGFuZCBjbGtfY29yZV9nZXRfcmF0ZSgp IHdvdWxkIGNoZWNrIHRoZQpmbGFnIENMS19HRVRfUkFURV9OT0NBQ0hFIHRvIGNhbGwgX19jbGtf cmVjYWxjX3JhdGVzKCksIGJ1dCBtdGtfaGRtaV9waHkKZG9lcyBub3QgaGF2ZSB0aGlzIGZsYWcs IHNvIHRoaXMgZnVuY3Rpb24gd291bGQgbm90IGJlIGNhbGxlZCB3aGVuCmNsa19zdW1tYXJ5LiBT byBJIHN0aWxsIHRoaW5rIHlvdSBjb3VsZCBkZXRlcm1pbmUgdGhlIG91dF9yYXRlIGluCm10a19o ZG1pX3BsbF9zZXRfcmF0ZSgpLgoKUmVnYXJkcywKQ0sKCj4gCj4gUmVnYXJkcywKPiBDSwo+IAo+ ID4gKwloZG1pX3BoeS0+cGxsX3JhdGUgPSBvdXRfcmF0ZTsKPiA+ICsKPiA+ICsJcmV0dXJuIGhk bWlfcGh5LT5wbGxfcmF0ZTsKPiA+ICt9Cj4gPiAgCj4gPiAgc3RhdGljIGNvbnN0IHN0cnVjdCBj bGtfb3BzIG10a19oZG1pX3BoeV9wbGxfb3BzID0gewo+ID4gIAkucHJlcGFyZSA9IG10a19oZG1p X3BsbF9wcmVwYXJlLAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9t dGtfbXQ4MTczX2hkbWlfcGh5LmMgYi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX210ODE3 M19oZG1pX3BoeS5jCj4gPiBpbmRleCBlZDU5MTZiMjc2NTguLmNiMjNjMWU0NjkyYSAxMDA2NDQK PiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfbXQ4MTczX2hkbWlfcGh5LmMK PiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfbXQ4MTczX2hkbWlfcGh5LmMK PiA+IEBAIC0yODUsNiArMjg1LDE0IEBAIHN0YXRpYyBpbnQgbXRrX2hkbWlfcGxsX3NldF9yYXRl KHN0cnVjdCBjbGtfaHcgKmh3LCB1bnNpZ25lZCBsb25nIHJhdGUsCj4gPiAgCXJldHVybiAwOwo+ ID4gIH0KPiA+ICAKPiA+ICtzdGF0aWMgdW5zaWduZWQgbG9uZyBtdGtfaGRtaV9wbGxfcmVjYWxj X3JhdGUoc3RydWN0IGNsa19odyAqaHcsCj4gPiArCQkJCSAgICAgICB1bnNpZ25lZCBsb25nIHBh cmVudF9yYXRlKQo+ID4gK3sKPiA+ICsJc3RydWN0IG10a19oZG1pX3BoeSAqaGRtaV9waHkgPSB0 b19tdGtfaGRtaV9waHkoaHcpOwo+ID4gKwo+ID4gKwlyZXR1cm4gaGRtaV9waHktPnBsbF9yYXRl Owo+ID4gK30KPiA+ICsKPiA+ICBzdGF0aWMgY29uc3Qgc3RydWN0IGNsa19vcHMgbXRrX2hkbWlf cGh5X3BsbF9vcHMgPSB7Cj4gPiAgCS5wcmVwYXJlID0gbXRrX2hkbWlfcGxsX3ByZXBhcmUsCj4g PiAgCS51bnByZXBhcmUgPSBtdGtfaGRtaV9wbGxfdW5wcmVwYXJlLAo+IAoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxp c3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==