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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH v2 3/5] media: mediatek: vcodec: Read HW active status from clock Content-Language: en-US To: Stephen Boyd , Chen-Yu Tsai , =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Cc: Matthias Brugger , Hans Verkuil , kernel@collabora.com, Andrew-CT Chen , Mauro Carvalho Chehab , Tiffany Lin , Yunfei Dong , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-mediatek@lists.infradead.org References: <20230607205714.510012-1-nfraprado@collabora.com> <20230607205714.510012-4-nfraprado@collabora.com> <83770481aa762b69738c27f9d9934dd9.sboyd@kernel.org> From: AngeloGioacchino Del Regno In-Reply-To: <83770481aa762b69738c27f9d9934dd9.sboyd@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230609_004221_381649_F4349AA5 X-CRM114-Status: GOOD ( 26.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SWwgMDkvMDYvMjMgMDE6NTYsIFN0ZXBoZW4gQm95ZCBoYSBzY3JpdHRvOgo+IFF1b3RpbmcgQW5n ZWxvR2lvYWNjaGlubyBEZWwgUmVnbm8gKDIwMjMtMDYtMDggMDI6MDE6NTgpCj4+IElsIDA4LzA2 LzIzIDEwOjEyLCBDaGVuLVl1IFRzYWkgaGEgc2NyaXR0bzoKPj4+IE9uIFRodSwgSnVuIDgsIDIw MjMgYXQgNDo1N+KAr0FNIE7DrWNvbGFzIEYuIFIuIEEuIFByYWRvCj4+PiA8bmZyYXByYWRvQGNv bGxhYm9yYS5jb20+IHdyb3RlOgo+Pj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL21lZGlhL3BsYXRm b3JtL21lZGlhdGVrL3Zjb2RlYy9tdGtfdmNvZGVjX2RlY19kcnYuYyBiL2RyaXZlcnMvbWVkaWEv cGxhdGZvcm0vbWVkaWF0ZWsvdmNvZGVjL210a192Y29kZWNfZGVjX2Rydi5jCj4+Pj4gaW5kZXgg OWM2NTJiZWIzZjE5Li44MDM4NDcyZmI2N2IgMTAwNjQ0Cj4+Pj4gLS0tIGEvZHJpdmVycy9tZWRp YS9wbGF0Zm9ybS9tZWRpYXRlay92Y29kZWMvbXRrX3Zjb2RlY19kZWNfZHJ2LmMKPj4+PiArKysg Yi9kcml2ZXJzL21lZGlhL3BsYXRmb3JtL21lZGlhdGVrL3Zjb2RlYy9tdGtfdmNvZGVjX2RlY19k cnYuYwo+Pj4+IEBAIC0xNiw2ICsxNiw3IEBACj4+Pj4gICAgI2luY2x1ZGUgPG1lZGlhL3Y0bDIt bWVtMm1lbS5oPgo+Pj4+ICAgICNpbmNsdWRlIDxtZWRpYS92aWRlb2J1ZjItZG1hLWNvbnRpZy5o Pgo+Pj4+ICAgICNpbmNsdWRlIDxtZWRpYS92NGwyLWRldmljZS5oPgo+Pj4+ICsjaW5jbHVkZSA8 bGludXgvY2xrLXByb3ZpZGVyLmg+Cj4+Pgo+Pj4gICAgICAgICAgICAgICAgICAgICAgXl5eXl5e Xl5eXl5eXl4KPj4+Cj4+PiBUaGlzIHNlZW1zIGxpa2UgYSB2aW9sYXRpb24gb2YgdGhlIEFQSSBz ZXBhcmF0aW9uLgo+IAo+IFllcy4KPiAKPj4+Cj4+Pj4gICAgI2luY2x1ZGUgIm10a192Y29kZWNf ZHJ2LmgiCj4+Pj4gICAgI2luY2x1ZGUgIm10a192Y29kZWNfZGVjLmgiCj4+Pj4gQEAgLTM4LDIy ICszOSwyOSBAQCBzdGF0aWMgaW50IG10a192Y29kZWNfZ2V0X2h3X2NvdW50KHN0cnVjdCBtdGtf dmNvZGVjX2RldiAqZGV2KQo+Pj4+ICAgICAgICAgICB9Cj4+Pj4gICAgfQo+Pj4+Cj4+Pj4gK3N0 YXRpYyBib29sIG10a192Y29kZWNfaXNfaHdfYWN0aXZlKHN0cnVjdCBtdGtfdmNvZGVjX2RldiAq ZGV2KQo+Pj4+ICt7Cj4+Pj4gKyAgICAgICB1MzIgY2dfc3RhdHVzID0gMDsKPj4+PiArCj4+Pj4g KyAgICAgICBpZiAoIWRldi0+cmVnX2Jhc2VbVkRFQ19TWVNdKQo+Pj4+ICsgICAgICAgICAgICAg ICByZXR1cm4gX19jbGtfaXNfZW5hYmxlZChkZXYtPnBtLnZkZWNfYWN0aXZlX2Nsayk7Cj4+Pgo+ Pj4gQUZBSUsgdGhpcyBpcyBzdGlsbCBhcm91bmQgZm9yIGNsayBkcml2ZXJzIHRoYXQgaGF2ZW4n dCBtb3ZlZCB0byBjbGtfaHcuCj4+PiBJdCBzaG91bGRuJ3QgYmUgdXNlZCBieSBjbG9jayBjb25z dW1lcnMuIFdvdWxkIGl0IGJlIGJldHRlciB0byBqdXN0IHBhc3MKPj4+IGEgc3lzY29uPwo+Pj4K Pj4KPj4gVGhpcyBpcyBhIGxlZ2l0IHVzYWdlIG9mIF9fY2xrX2lzX2VuYWJsZWQoKS4uLi4gYmVj YXVzZSB0aGF0J3Mgd2hhdCB3ZSdyZSByZWFsbHkKPj4gZG9pbmcgaGVyZSwgd2UncmUgY2hlY2tp bmcgaWYgYSBjbG9jayBnb3QgZW5hYmxlZCBieSB0aGUgdW5kZXJseWluZyBNQ1UgKGFzIHRoYXQK Pj4gY2xvY2sgZ29lcyB1cCBhZnRlciB0aGUgVkRFQyBib290cykuCj4+Cj4+IElmIHRoaXMgaXMg Km5vdCogYWNjZXB0YWJsZSBhcyBpdCBpcywgd2Ugd2lsbCBoYXZlIHRvIGFkZCBhIGNsb2NrIEFQ SSBjYWxsIHRvCj4+IGNoZWNrIGlmIGEgY2xvY2sgaXMgZW5hYmxlZC4uLiBidXQgaXQgZGlkbid0 IHNlZW0gd29ydGggZG9pbmcgc2luY2Ugd2UgZG9uJ3QKPj4gZXhwZWN0IGFueW9uZSBlbHNlIHRv IGhhdmUgYW55IGxlZ2l0IHVzYWdlIG9mIHRoYXQsIG9yIGF0IGxlYXN0LCB3ZSBkb24ndCBrbm93 Cj4+IGFib3V0IGFueW9uZSBlbHNlIG5lZWRpbmcgdGhhdC4uLgo+IAo+IFRoZSBkZXNpZ24gb2Yg dGhlIGNsay5oIEFQSSBoYXMgYmVlbiB0aGF0IG5vIGNsayBjb25zdW1lciBzaG91bGQgbmVlZCB0 bwo+IGZpbmQgb3V0IGlmIGEgY2xrIGlzIGVuYWJsZWQuIEluc3RlYWQsIHRoZSBjbGsgY29uc3Vt ZXIgc2hvdWxkIGVuYWJsZQo+IHRoZSBjbGsgaWYgdGhleSB3YW50IGl0IGVuYWJsZWQuIElzIHRo ZXJlIG5vIG90aGVyIHdheSB0byBrbm93IHRoYXQgdGhlCj4gdmNvZGVjIGhhcmR3YXJlIGlzIGFj dGl2ZT8KPiAKClRoZSBmaXJtd2FyZSBnaXZlcyBhbiBpbmRpY2F0aW9uIG9mICJib290IGRvbmUi LCBidXQgdGhhdCdzIGZvciB0aGUgImNvcmUiIHBhcnQKb2YgdGhlIHZjb2RlYy4uLiB0aGVuIGl0 IG1hbmFnZXMgdGhpcyBjbG9jayBpbnRlcm5hbGx5IHRvIGVuYWJsZS9kaXNhYmxlIHRoZQoiY29t cHV0ZSIgSVAgb2YgdGhlIGRlY29kZXIuCgpBcyBmYXIgYXMgSSBrbm93IChhbmQgSSd2ZSBiZWVu IHJlc2VhcmNoaW5nIGFib3V0IHRoaXMpIHRoZSBmaXJtd2FyZSB3aWxsIG5vdApnaXZlIGFueSAi ZGVjb2RlciBwb3dlcmVkLCBjbG9ja2VkIC0gcmVhZHkgdG8gZ2V0IGRhdGEiIGluZGljYXRpb24s IGFuZCB0aGUKb25seSB3YXkgdGhhdCB3ZSBoYXZlIHRvIGp1ZGdlIHdoZXRoZXIgaXQgaXMgaW4g dGhpcyBzcGVjaWZpYyBzdGF0ZSBvciBub3QgaXMKdG8gY2hlY2sgaWYgdGhlICJWREVDX0FDVElW RSIgY2xvY2sgZ290IGVuYWJsZWQgYnkgdGhlIGZpcm13YXJlLgoKVGhhdCdzICpzeW50aGV0aWNh bGx5KiB0aGUgd2hvbGUgc3RvcnkuLi4KCj4+Cj4+IEFzIGZvciB0aGUgc3lzY29uLCB0aGF0J3Mg c29tZXRoaW5nIHRoYXQgd2UndmUgYmVlbiBkaXNjdXNzaW5nIGFzIHdlbGwuLi4gdGhlCj4+IHRo aW5nIGlzOiB3ZSdyZSByZWFsbHkgKnJlYWxseSogY2hlY2tpbmcgaWYgYSBjbG9jayBpcyBlbmFi bGVkLCBzbyB3ZSBzaG91bGQKPj4gYmUgdXNpbmcgY2xvY2sgcmVsYXRlZCBjYWxscy4uLiByZWFk aW5nIGZyb20gYSBzeXNjb24gbWVhbnMgdGhhdCB3ZSdkIGhhdmUgdG8KPj4gcGVyZm9ybSBhIHJl Z2lzdGVyIHJlYWQgKG9mLi4gYWdhaW4uLiBhIGNsb2NrKSBvdXRzaWRlIG9mIHRoZSBjbG9jayBm cmFtZXdvcmsKPj4gd2hpY2gsIGluIG15IG9waW5pb24sIHdvdWxkbid0IGJlIGNsZWFuOyBJJ2Qg ZXhwZWN0IHRoYXQgdG8gYmVjb21lIGEgYml0IG1lc3N5Cj4+IGluIHRoZSBmdXR1cmUgdG9vLCBz aG91bGQgbW9yZSBNZWRpYVRlayBTb0NzIChJIHRoaW5rIE1UODE5Mi85NSBhcmUgYWxyZWFkeSBp bgo+PiB0aGUgbGlzdCwgTmljb2xhcyBwbGVhc2UgY29ycmVjdCBtZSBpZiBJJ20gd3JvbmcgaGVy ZSkgbmVlZCB0aGUgc2FtZSB0aGluZywgYXMKPj4gd2UnZCBiZSBhZGRpbmcgbW9yZSBkZWZpbml0 aW9ucyBhcm91bmQuCj4+CgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVs QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9s aXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==