From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yakir Yang Subject: Re: [PATCH v3 4/4] drm/rockchip: analogix_dp: implement PSR function Date: Fri, 8 Jul 2016 10:32:06 +0800 Message-ID: <577F10A6.6040206@rock-chips.com> References: <1467364685-21390-1-git-send-email-ykk@rock-chips.com> <1467364776-21794-1-git-send-email-ykk@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Sean Paul Cc: Krzysztof Kozlowski , linux-samsung-soc , linux-rockchip@lists.infradead.org, Mark Yao , Daniel Vetter , Emil Velikov , Doug Anderson , dri-devel , Tomasz Figa , Javier Martinez Canillas , Jingoo Han , =?UTF-8?Q?St=c3=a9phane_Marchesin?= , Thierry Reding , Linux Kernel Mailing List List-Id: linux-rockchip.vger.kernel.org U2VhbiwKCk9uIDA3LzAyLzIwMTYgMDQ6MDUgQU0sIFNlYW4gUGF1bCB3cm90ZToKPiBPbiBGcmks IEp1bCAxLCAyMDE2IGF0IDU6MTkgQU0sIFlha2lyIFlhbmcgPHlra0Byb2NrLWNoaXBzLmNvbT4g d3JvdGU6Cj4+IEFsd2F5IGVuYWJsZSB0aGUgUFNSIGZ1bmN0aW9uIGZvciBSb2NrY2hpcCBhbmFs b2dpeF9kcCBkcml2ZXIuIElmIHBhbmVsCj4+IGRvbid0IHN1cHBvcnQgUFNSLCB0aGVuIHRoZSBj b3JlIGFuYWxvZ2l4X2RwIHdvdWxkIGlnbm9yZSB0aGlzIHNldHRpbmcuCj4+Cj4+IFNpZ25lZC1v ZmYtYnk6IFlha2lyIFlhbmcgPHlra0Byb2NrLWNoaXBzLmNvbT4KPj4gLS0tCj4+IENoYW5nZXMg aW4gdjM6Cj4+IC0gc3BsaXQgdGhlIGNvbW1vbiBwc3IgbG9naWMgaW50byBhIHNlcGVyYXRlIGRy aXZlciwgbWFrZSB0aGlzIHRvIGEKPj4gICAgc2ltcGxlIHN1Yi1wc3IgZGV2aWNlIGRyaXZlci4K Pj4KPj4gQ2hhbmdlcyBpbiB2MjoKPj4gLSByZW1vdmUgdmJsYW5rIG5vdGlmeSBvdXQgKERhbmll bCkKPj4gLSBjcmVhdGUgYSBwc3JfYWN0aXZlKCkgY2FsbGJhY2sgaW4gdm9wIGRhdGEgc3RydWN0 Lgo+Pgo+PiAgIGRyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9hbmFsb2dpeF9kcC1yb2NrY2hpcC5j IHwgNTIgKysrKysrKysrKysrKysrKysrKysrKysrKwo+PiAgIDEgZmlsZSBjaGFuZ2VkLCA1MiBp bnNlcnRpb25zKCspCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAv YW5hbG9naXhfZHAtcm9ja2NoaXAuYyBiL2RyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9hbmFsb2dp eF9kcC1yb2NrY2hpcC5jCj4+IGluZGV4IGU4MWUxOWEuLjgwYTYwYTYgMTAwNjQ0Cj4+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9hbmFsb2dpeF9kcC1yb2NrY2hpcC5jCj4+ICsrKyBi L2RyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9hbmFsb2dpeF9kcC1yb2NrY2hpcC5jCj4+IEBAIC0z Miw2ICszMiw3IEBACj4+ICAgI2luY2x1ZGUgPGRybS9icmlkZ2UvYW5hbG9naXhfZHAuaD4KPj4K Pj4gICAjaW5jbHVkZSAicm9ja2NoaXBfZHJtX2Rydi5oIgo+PiArI2luY2x1ZGUgInJvY2tjaGlw X2RybV9wc3IuaCIKPj4gICAjaW5jbHVkZSAicm9ja2NoaXBfZHJtX3ZvcC5oIgo+Pgo+PiAgICNk ZWZpbmUgUkszMjg4X0dSRl9TT0NfQ09ONiAgICAgICAgICAgIDB4MjVjCj4+IEBAIC02OCwxMSAr NjksNTMgQEAgc3RydWN0IHJvY2tjaGlwX2RwX2RldmljZSB7Cj4+ICAgICAgICAgIHN0cnVjdCBy ZWdtYXAgICAgICAgICAgICAqZ3JmOwo+PiAgICAgICAgICBzdHJ1Y3QgcmVzZXRfY29udHJvbCAg ICAgKnJzdDsKPj4KPj4gKyAgICAgICBzdHJ1Y3QgZGVsYXllZF93b3JrICAgICAgcHNyX3dvcms7 Cj4+ICsgICAgICAgdW5zaWduZWQgaW50ICAgICAgICAgICAgIHBzcl9zdGF0ZTsKPj4gKwo+PiAg ICAgICAgICBjb25zdCBzdHJ1Y3Qgcm9ja2NoaXBfZHBfY2hpcF9kYXRhICpkYXRhOwo+Pgo+PiAg ICAgICAgICBzdHJ1Y3QgYW5hbG9naXhfZHBfcGxhdF9kYXRhIHBsYXRfZGF0YTsKPj4gICB9Owo+ Pgo+PiArc3RhdGljIGludCBhbmFsb2dpeF9kcF9wc3Jfc2V0KHN0cnVjdCBkcm1fZW5jb2RlciAq ZW5jb2RlciwgYm9vbCBlbmFibGVkKQo+IEFnYWluLCB0aGlzIGZ1bmN0aW9uIGRvZXNuJ3QgZmFp bCwgYnV0IGl0cyByZXR1cm4gdHlwZSBpcyBpbnQuCj4gRm9ydHVuYXRlbHkgeW91IGRvbid0IGNo ZWNrIHRoZSByZXR1cm4gaW4gcm9ja2NoaXBfZHJtX3Bzci5jLCBzbyB0aGlzCj4gYWxzbyBzZWVt cyBsaWtlIGEgZ29vZCB2b2lkIGNhbmRpZGF0ZS4KCk9rYXksIGRvbmUuCgo+PiArewo+PiArICAg ICAgIHN0cnVjdCByb2NrY2hpcF9kcF9kZXZpY2UgKmRwID0gdG9fZHAoZW5jb2Rlcik7Cj4+ICsK Pj4gKyAgICAgICBkZXZfZGJnKGRwLT5kZXYsICIlcyBQU1IuLi5cbiIsIGVuYWJsZWQgPyAiRW50 cnkiIDogIkV4aXQiKTsKPj4gKwo+PiArICAgICAgIGlmIChlbmFibGVkKQo+PiArICAgICAgICAg ICAgICAgZHAtPnBzcl9zdGF0ZSA9IEVEUF9WU0NfUFNSX1NUQVRFX0FDVElWRTsKPj4gKyAgICAg ICBlbHNlCj4+ICsgICAgICAgICAgICAgICBkcC0+cHNyX3N0YXRlID0gfkVEUF9WU0NfUFNSX1NU QVRFX0FDVElWRTsKPj4gKwo+PiArICAgICAgIHNjaGVkdWxlX2RlbGF5ZWRfd29yaygmZHAtPnBz cl93b3JrLCBtc2Vjc190b19qaWZmaWVzKDEwKSk7Cj4gUHVsbCAxMCBvdXQgaW50byBhICNkZWZp bmUKCkRvbmUKCj4+ICsKPj4gKyAgICAgICByZXR1cm4gMDsKPj4gK30KPj4gKwo+PiArc3RhdGlj IHZvaWQgYW5hbG9naXhfZHBfcHNyX3dvcmsoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQo+PiAr ewo+PiArICAgICAgIHN0cnVjdCByb2NrY2hpcF9kcF9kZXZpY2UgKmRwID0KPj4gKyAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICBjb250YWluZXJfb2Yod29yaywgdHlwZW9mKCpkcCksIHBz cl93b3JrLndvcmspOwo+PiArICAgICAgIHN0cnVjdCBkcm1fY3J0YyAqY3J0YyA9IGRwLT5lbmNv ZGVyLmNydGM7Cj4+ICsgICAgICAgaW50IHBzcl9zdGF0ZSA9IGRwLT5wc3Jfc3RhdGU7Cj4+ICsg ICAgICAgaW50IHZhY3RfZW5kOwo+PiArICAgICAgIGludCByZXQ7Cj4+ICsKPj4gKyAgICAgICBp ZiAoIWNydGMpCj4+ICsgICAgICAgICAgICAgICByZXR1cm47Cj4+ICsKPj4gKyAgICAgICB2YWN0 X2VuZCA9IGNydGMtPm1vZGUudnRvdGFsIC0gY3J0Yy0+bW9kZS52c3luY19zdGFydCArIGNydGMt Pm1vZGUudmRpc3BsYXk7Cj4+ICsKPj4gKyAgICAgICByZXQgPSByb2NrY2hpcF9kcm1fd2FpdF9s aW5lX2ZsYWcoZHAtPmVuY29kZXIuY3J0YywgdmFjdF9lbmQsIDEwMCk7Cj4KPiBQdWxsIDEwMCBv dXQgaW50byBhICNkZWZpbmUKPgoKRG9uZS4KCj4+ICsgICAgICAgaWYgKHJldCA9PSAwKSB7Cj4g aWYgKHJldCkgewo+ICAgICAgZGV2X2VyciguLi4gImxpbmUgZmxhZyBpbnRlcnJ1cHQgZGlkIG5v dCBhcnJpdmUiKTsKPiAgICAgIHJldHVybjsKPiB9CgpEb25lLgoKVGhhbmtzCi0gWWFraXIKCj4+ ICsgICAgICAgICAgICAgICBpZiAocHNyX3N0YXRlID09IEVEUF9WU0NfUFNSX1NUQVRFX0FDVElW RSkKPj4gKyAgICAgICAgICAgICAgICAgICAgICAgYW5hbG9naXhfZHBfYWN0aXZlX3BzcihkcC0+ ZGV2KTsKPj4gKyAgICAgICAgICAgICAgIGVsc2UKPj4gKyAgICAgICAgICAgICAgICAgICAgICAg YW5hbG9naXhfZHBfaW5hY3RpdmVfcHNyKGRwLT5kZXYpOwo+PiArICAgICAgIH0KPj4gK30KPj4g Kwo+PiAgIHN0YXRpYyBpbnQgcm9ja2NoaXBfZHBfcHJlX2luaXQoc3RydWN0IHJvY2tjaGlwX2Rw X2RldmljZSAqZHApCj4+ICAgewo+PiAgICAgICAgICByZXNldF9jb250cm9sX2Fzc2VydChkcC0+ cnN0KTsKPj4gQEAgLTM0MCwxMiArMzgzLDIxIEBAIHN0YXRpYyBpbnQgcm9ja2NoaXBfZHBfYmlu ZChzdHJ1Y3QgZGV2aWNlICpkZXYsIHN0cnVjdCBkZXZpY2UgKm1hc3RlciwKPj4gICAgICAgICAg ZHAtPnBsYXRfZGF0YS5wb3dlcl9vZmYgPSByb2NrY2hpcF9kcF9wb3dlcmRvd247Cj4+ICAgICAg ICAgIGRwLT5wbGF0X2RhdGEuZ2V0X21vZGVzID0gcm9ja2NoaXBfZHBfZ2V0X21vZGVzOwo+Pgo+ PiArICAgICAgIGRwLT5wc3Jfc3RhdGUgPSB+RURQX1ZTQ19QU1JfU1RBVEVfQUNUSVZFOwo+PiAr ICAgICAgIElOSVRfREVMQVlFRF9XT1JLKCZkcC0+cHNyX3dvcmssIGFuYWxvZ2l4X2RwX3Bzcl93 b3JrKTsKPj4gKwo+PiArICAgICAgIHJvY2tjaGlwX2RybV9wc3JfcmVnaXN0ZXIoJmRwLT5lbmNv ZGVyLCBhbmFsb2dpeF9kcF9wc3Jfc2V0KTsKPj4gKwo+PiAgICAgICAgICByZXR1cm4gYW5hbG9n aXhfZHBfYmluZChkZXYsIGRwLT5kcm1fZGV2LCAmZHAtPnBsYXRfZGF0YSk7Cj4+ICAgfQo+Pgo+ PiAgIHN0YXRpYyB2b2lkIHJvY2tjaGlwX2RwX3VuYmluZChzdHJ1Y3QgZGV2aWNlICpkZXYsIHN0 cnVjdCBkZXZpY2UgKm1hc3RlciwKPj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICB2 b2lkICpkYXRhKQo+PiAgIHsKPj4gKyAgICAgICBzdHJ1Y3Qgcm9ja2NoaXBfZHBfZGV2aWNlICpk cCA9IGRldl9nZXRfZHJ2ZGF0YShkZXYpOwo+PiArCj4+ICsgICAgICAgcm9ja2NoaXBfZHJtX3Bz cl91bnJlZ2lzdGVyKCZkcC0+ZW5jb2Rlcik7Cj4+ICsKPj4gICAgICAgICAgcmV0dXJuIGFuYWxv Z2l4X2RwX3VuYmluZChkZXYsIG1hc3RlciwgZGF0YSk7Cj4+ICAgfQo+Pgo+PiAtLQo+PiAxLjku MQo+Pgo+Pgo+Cj4KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2 ZWwK