From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark yao Subject: Re: [PATCH 5/7] drm/rockchip: dw-mipi: support HPD poll Date: Mon, 11 Jul 2016 08:46:53 +0800 Message-ID: <5782EC7D.3080202@rock-chips.com> References: <1467968701-15620-1-git-send-email-zyw@rock-chips.com> <1467968701-15620-6-git-send-email-zyw@rock-chips.com> <20160708145211.6bf83d8f.john@metanate.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20160708145211.6bf83d8f.john@metanate.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: John Keeping , Chris Zhong Cc: linux-rockchip@lists.infradead.org, yzq@rock-chips.com, dianders@chromium.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, tfiga@chromium.org, linux-arm-kernel@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org T24gMjAxNuW5tDA35pyIMDjml6UgMjE6NTIsIEpvaG4gS2VlcGluZyB3cm90ZToKPiBPbiBGcmks ICA4IEp1bCAyMDE2IDE3OjA0OjU5ICswODAwLCBDaHJpcyBaaG9uZyB3cm90ZToKPgo+PiBBdCB0 aGUgZmlyc3QgdGltZSBvZiBiaW5kLCB0aGVyZSBpcyBubyBhbnkgcGFuZWwgYXR0YWNoIGluIG1p cGkuIEFkZCBhCj4+IERSTV9DT05ORUNUT1JfUE9MTF9IUEQgcG9ycGVydHkgdG8gZGV0ZWN0IHRo ZSBwYW5lbCBzdGF0dXMsIHdoZW4gcGFuZWwKPj4gcHJvYmUsIHRoZSBkd19taXBpX2RzaV9ob3N0 X2F0dGFjaCB3b3VsZCBiZSBjYWxsZWQsIHRoZW4gbWlwaS1kc2kgd2lsbAo+PiB0cmlnZ2VyIGEg ZXZlbnQgdG8gbm90aWZ5IHRoZSBkcm0gZnJhbWV3b3JrLgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBD aHJpcyBaaG9uZyA8enl3QHJvY2stY2hpcHMuY29tPgo+IENhbiB3ZSBkbyBzb21ldGhpbmcgbGlr ZSB0aGlzIGluc3RlYWQ/ICBXZSBrbm93IHRoYXQgdGhlIHBhbmVsIG11c3QKPiBhbHdheXMgYmUg YXR0YWNoZWQgYW5kIHRoaXMgaGFzIHRoZSBhZHZhbnRhZ2UgdGhhdCB0aGUgZGlzcGxheSBzaXpl IHdpbGwKPiBiZSBrbm93biB3aGVuIHRoZSBmcmFtZWJ1ZmZlciBjb25zb2xlIGxvYWRzLgo+Cj4g LS0gPjggLS0KPiBTdWJqZWN0OiBbUEFUQ0hdIGRybS9yb2NrY2hpcDogZHctbWlwaS1kc2k6IGRl ZmVyIHByb2JlIGlmIHBhbmVsIGlzIG5vdCBsb2FkZWQKPgo+IFRoaXMgZW5zdXJlcyB0aGF0IHRo ZSBvdXRwdXQgcmVzb2x1dGlvbiBpcyBrbm93biBiZWZvcmUgZmJjb24gbG9hZHMuCj4KPiBTaWdu ZWQtb2ZmLWJ5OiBKb2huIEtlZXBpbmcgPGpvaG5AbWV0YW5hdGUuY29tPgo+IC0tLQo+ICAgZHJp dmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3LW1pcGktZHNpLmMgfCAxMSArKysrKysrKystLQo+ICAg MSBmaWxlIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPgo+IGRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvZHctbWlwaS1kc2kuYyBiL2RyaXZlcnMv Z3B1L2RybS9yb2NrY2hpcC9kdy1taXBpLWRzaS5jCj4gaW5kZXggNmVmNWYzYmU4NDY4Li5jMDQ5 OTI2NmQxMTYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3LW1pcGkt ZHNpLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvZHctbWlwaS1kc2kuYwo+IEBA IC0xMTU0LDEwICsxMTU0LDE3IEBAIHN0YXRpYyBpbnQgZHdfbWlwaV9kc2lfYmluZChzdHJ1Y3Qg ZGV2aWNlICpkZXYsIHN0cnVjdCBkZXZpY2UgKm1hc3RlciwKPiAgIAo+ICAgCWRzaS0+ZHNpX2hv c3Qub3BzID0gJmR3X21pcGlfZHNpX2hvc3Rfb3BzOwo+ICAgCWRzaS0+ZHNpX2hvc3QuZGV2ID0g ZGV2Owo+IC0JcmV0dXJuIG1pcGlfZHNpX2hvc3RfcmVnaXN0ZXIoJmRzaS0+ZHNpX2hvc3QpOwo+ ICsJcmV0ID0gbWlwaV9kc2lfaG9zdF9yZWdpc3RlcigmZHNpLT5kc2lfaG9zdCk7Cj4gKwlpZiAo IXJldCAmJiAhZHNpLT5wYW5lbCkgewo+ICsJCW1pcGlfZHNpX2hvc3RfdW5yZWdpc3RlcigmZHNp LT5kc2lfaG9zdCk7Cj4gKwkJZHJtX2VuY29kZXJfY2xlYW51cCgmZHNpLT5lbmNvZGVyKTsKPiAr CQlkcm1fY29ubmVjdG9yX2NsZWFudXAoJmRzaS0+Y29ubmVjdG9yKTsKPiArCQlyZXQgPSAtRVBS T0JFX0RFRkVSOwoKSGkgSm9obgoKRG8geW91IHZlcmlmeSB0aGlzIHBhdGNoPyBJIGRvIHRoZSBz aW1pbGFyIGNoYW5nZSBiZWZvcmUsIGJ1dCBmb3VuZCAKcGFuZWwgY2FuJ3QgcHJvYmUuCgptaXBp X2RzaV9ob3N0X3JlZ2lzdGVyIHdpbGwgY2FsbCBkZXZpY2VfYWRkLCBJIHRoaW5rIHRoZSBwYW5l bCBwcm9iZSAKbmVlZCB0aGlzLgoKU2VlbXMgdGhhdCBtaXBpIHBhbmVsIHByb2JlIHJlcXVlc3Qg bWlwaV9kc2lfaG9zdF9yZWdpc3RlciwgCm1pcGlfZHNpX2hvc3RfcmVnaXN0ZXIgcmVxdWVzdCBw YW5lbCBvbiB5b3VyIHBhdGNoLCBlbmRsZXNzIGxvb3AuCgpUaGFua3MuCgo+ICsJfQo+ICAgCj4g ICBlcnJfcGxscmVmOgo+IC0JY2xrX2Rpc2FibGVfdW5wcmVwYXJlKGRzaS0+cGxscmVmX2Nsayk7 Cj4gKwlpZiAocmV0KQo+ICsJCWNsa19kaXNhYmxlX3VucHJlcGFyZShkc2ktPnBsbHJlZl9jbGsp Owo+ICAgCXJldHVybiByZXQ7Cj4gICB9Cj4gICAKPgo+Cj4KCgotLSAK77ytYXJrIFlhbwoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBt YWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=