From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH 08/16] drm: rcar-du: Enable configurable DPAD0 routing on Gen3 Date: Fri, 14 Sep 2018 00:25:32 +0300 Message-ID: <3457296.bcsaz67t6o@avalon> References: <20180904121027.24031-1-laurent.pinchart+renesas@ideasonboard.com> <20180904121027.24031-9-laurent.pinchart+renesas@ideasonboard.com> <20180911154653.GW28160@w540> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id B25966E274 for ; Thu, 13 Sep 2018 21:25:21 +0000 (UTC) In-Reply-To: <20180911154653.GW28160@w540> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: jacopo mondi Cc: linux-renesas-soc@vger.kernel.org, Laurent Pinchart , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org SGkgSmFjb3BvLAoKVGhhbmsgeW91IGZvciB0aGUgcGF0Y2guCgpPbiBUdWVzZGF5LCAxMSBTZXB0 ZW1iZXIgMjAxOCAxODo0Njo1MyBFRVNUIGphY29wbyBtb25kaSB3cm90ZToKPiBPbiBUdWUsIFNl cCAwNCwgMjAxOCBhdCAwMzoxMDoxOVBNICswMzAwLCBMYXVyZW50IFBpbmNoYXJ0IHdyb3RlOgo+ ID4gQWxsIEdlbjMgU29DcyBzdXBwb3J0ZWQgc28gZmFyIGhhdmUgYSBmaXhlZCBhc3NvY2lhdGlv biBiZXR3ZWVuIERQQUQwCj4gPiBhbmQgRFUgY2hhbm5lbHMsIHdoaWNoIGxlZCB0byBoYXJkY29k aW5nIHRoYXQgYXNzb2NpYXRpb24gd2hlbiB3cml0aW5nCj4gPiB0aGUgY29ycmVzcG9uZGluZyBo YXJkd2FyZSByZWdpc3Rlci4gVGhlIEQzIGFuZCBFMyB3aWxsIGJyZWFrIHRoYXQKPiA+IG1lY2hh bmlzbSBhcyBEUEFEMCBjYW4gYmUgZHluYW1pY2FsbHkgY29ubmVjdGVkIHRvIGVpdGhlciBEVTAg b3IgRFUxLgo+ID4gCj4gPiBNYWtlIERQQUQwIHJvdXRpbmcgZHluYW1pYyBvbiBHZW4zLiBUbyBl bnN1cmUgYSB2YWxpZCBoYXJkd2FyZQo+ID4gY29uZmlndXJhdGlvbiB3aGVuIHRoZSBEVSBzdGFy dHMgd2l0aG91dCB0aGUgUkdCIG91dHB1dCBlbmFibGVkLCBEUEFEMAo+ID4gaXMgYXNzb2NpYXRl ZCBhdCBpbml0aWFsaXphdGlvbiB0aW1lIHRvIHRoZSBmaXJzdCBEVSBjaGFubmVsIHRoYXQgaXQg Y2FuCj4gPiBiZSBjb25uZWN0ZWQgdG8uIFRoaXMgbWFrZXMgbm8gY2hhbmdlIG9uIEdlbjIgYXMg YWxsIEdlbjIgU29DcyBjYW4KPiA+IGNvbm5lY3RlZCBEUEFEMCB0byBEVTAsIHdoaWNoIGlzIHRo ZSBjdXJyZW50IGltcGxpY2l0IGRlZmF1bHQgdmFsdWUuCj4gPiAKPiA+IEFzIHRoZSBEUEFEMCBz b3VyY2UgaXMgYWx3YXlzIDAgd2hlbiBhIHNpbmdsZSBzb3VyY2UgaXMgcG9zc2libGUgb24KPiA+ IEdlbjIsIHdlIGNhbiBhbHNvIHNpbXBsaWZ5IHRoZSBHZW4yIGNvZGUgaW4gdGhlIHNhbWUgZnVu Y3Rpb24gdG8gcmVtb3ZlCj4gPiBhIGNvbmRpdGlvbmFsIGNoZWNrLgo+IAo+IERvZXMgdGhpcyBw YXRjaCBvbmx5IHByZXBhcmVzIGZvciByb3V0aW5nIHRvIGJlIG1hZCBkeW5hbWljIG9yIGl0IGlz Cj4gYWxyZWFkeSBzdXBwb3J0ZWQ/CgpJdCdzIGFscmVhZHkgZHluYW1pYy4gV2Ugc3VwcG9ydCBk eW5hbWljIHJvdXRpbmcgb2YgdGhlIERQQUQgKFJHQikgb3V0cHV0IG9uIApHZW4yLiBPbiBHZW4z IGFsbCB0aGUgU29DcyBzdXBwb3J0ZWQgc28gZmFyIGNvdWxkIG9ubHkgcm91dGUgb25lIENSVEMg dG8gdGhlIApEUEFEIG91dHB1dCwgc28gdGhlIHJvdXRpbmcgd2Fzbid0IHZlcnkgZHluYW1pYywg YnV0IHRoZSByZWdpc3RlciBzdGlsbCBoYWQgdG8gCmJlIHByb2dyYW1tZWQgYWNjb3JkaW5nbHku IFRoaXMgcGF0Y2ggcmV1c2VzIHRoZSBleGlzdGluZyBkeW5hbWljIHJvdXRpbmcgdGhhdCAKd2Ug dXNlIG9uIEdlbjIgZm9yIEdlbjMuCgo+IEkgYW0gbWlzc2luZyB3aGVyZSB0aG9zZSBkeW5hbWlj IGFzc29jaWF0aW9uIGhhcHBlbnMsIGFzIEkgc2VlIHRoZQo+IHBvc3NpYmxlIGRwYWQwIHNvdXJj ZSBiZWluZyBjaGFuZ2VkIGluICdyY2FyX2R1X2NydGNfcm91dGVfb3V0cHV0KCknCj4gd2hpY2gg aXMgaW4gdHVybiBjYWxsZWQgYnkgdGhlIG1vZGUgc2V0IG9wZXJhdGlvbgo+ICdyY2FyX2R1X2Ny dGNfcm91dGVfb3V0cHV0KCknLgo+IAo+IEJ1dCBhdCB0aGUgc2FtZSB0aW1lLCBJIG9ubHkgc2Vl IHRoZSByb3V0aW5nIHJlZ2lzdGVyIERFRlI4IGJlaW5nCj4gd3JpdHRlbiBieSByY2FyX2R1X2dy b3VwX3NldHVwX2RlZnI4KCkgY2FsbGVkIGJ5IHRoZSBncm91cCByb3V0ZSBzZXR1cAo+IG9wZXJh dGlvbiByY2FyX2R1X2dyb3VwX3NldF9yb3V0aW5nKCkgY2FsbGVkIGF0IGNydGMgc2V0dXAgdGlt ZSBvbmx5Lgo+IAo+IFdvdWxkIHRoZSBtb2RlIHNldCBvcGVyYXRpb24gb24gdGhlIGVuY29kZXIg YmVpbmcgc3VwcG9yc2VkIHRvIGdvIHRvCj4gdGhlIGdyb3VwJ3Mgc2V0X3JvdXRpbmcgb3BlcmF0 aW9uPyBPciBkb2VzIERFRlI4IGNvbmZpZ3VyYXRpb24gaGFwcGVucwo+IHdpdGggYSBkaWZmZXJl bnQgY2FsbCBwYXRoPwoKWW91ciBhbmFseXNpcyBvZiB0aGUgY29kZSBmbG93IGlzIHJpZ2h0LiBU aGUgcmVhc29uIHdoeSB3ZSBkb24ndCB3cml0ZSBERUZSOCAKZGlyZWN0bHkgaXMgdGhhdCBjaGFu Z2VzIHRvIHRoZSByZWdpc3RlciBvbmx5IHRha2UgZWZmZWN0IHdoZW4gdGhlIGdyb3VwIGlzIApk aXNhYmxlZCAobG92ZWx5IGhhcmR3YXJlIGRlc2lnbiwgaXNuJ3QgaXQgPykuIFRoZSBkcml2ZXIg cmVsaWVzIG9uIHRoZSBmYWN0IAp0aGF0IGNoYW5naW5nIHRoZSByb3V0aW5nIGludm9sdmVzIGRp c2FibGluZyBhbmQgZW5hYmxpbmcgQ1JUQ3MsIGJ1dCB0aGUgCm1lY2hhbmlzbSBpcyBmcmFnaWxl LCBhbmQgaXQgbWlnaHQgZXZlbiBiZSBidWdneS4KClRoZSBSR0Igb3V0cHV0IG9uIEQzIGFuZCBF MyBpc24ndCBvZmZpY2lhbGx5IHN1cHBvcnRlZCBieSB0aGlzIHBhdGNoIHNlcmllcywgCnNvIEkg YWxyZWFkeSBwbGFuIHRvIHJldmlzaXQgdGhlIGNvZGUgbGF0ZXIgYW5kIGhvcGVmdWxseSBjbGVh biBpdC4KCj4gPiBTaWduZWQtb2ZmLWJ5OiBMYXVyZW50IFBpbmNoYXJ0Cj4gPiA8bGF1cmVudC5w aW5jaGFydCtyZW5lc2FzQGlkZWFzb25ib2FyZC5jb20+Cj4gPiAtLS0KPiA+IAo+ID4gIGRyaXZl cnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJfZHVfZ3JvdXAuYyB8IDE3ICsrKysrKy0tLS0tLS0tLS0t Cj4gPiAgZHJpdmVycy9ncHUvZHJtL3JjYXItZHUvcmNhcl9kdV9rbXMuYyAgIHwgMTIgKysrKysr KysrKysrCj4gPiAgMiBmaWxlcyBjaGFuZ2VkLCAxOCBpbnNlcnRpb25zKCspLCAxMSBkZWxldGlv bnMoLSkKPiA+IAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJf ZHVfZ3JvdXAuYwo+ID4gYi9kcml2ZXJzL2dwdS9kcm0vcmNhci1kdS9yY2FyX2R1X2dyb3VwLmMg aW5kZXgKPiA+IDRjNjI4NDFlZmYyZi4uZjM4NzAzZTdhMTBkIDEwMDY0NAo+ID4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL3JjYXItZHUvcmNhcl9kdV9ncm91cC5jCj4gPiArKysgYi9kcml2ZXJzL2dw dS9kcm0vcmNhci1kdS9yY2FyX2R1X2dyb3VwLmMKPiA+IEBAIC01Niw4ICs1Niw2IEBAIHN0YXRp YyB2b2lkIHJjYXJfZHVfZ3JvdXBfc2V0dXBfcGlucyhzdHJ1Y3QKPiA+IHJjYXJfZHVfZ3JvdXAg KnJncnApCj4gPiAgc3RhdGljIHZvaWQgcmNhcl9kdV9ncm91cF9zZXR1cF9kZWZyOChzdHJ1Y3Qg cmNhcl9kdV9ncm91cCAqcmdycCkKPiA+ICB7Cj4gPiAgCXN0cnVjdCByY2FyX2R1X2RldmljZSAq cmNkdSA9IHJncnAtPmRldjsKPiA+IC0JdW5zaWduZWQgaW50IHBvc3NpYmxlX2NydGNzID0KPiA+ IC0JCXJjZHUtPmluZm8tPnJvdXRlc1tSQ0FSX0RVX09VVFBVVF9EUEFEMF0ucG9zc2libGVfY3J0 Y3M7Cj4gPiAgCXUzMiBkZWZyOCA9IERFRlI4X0NPREU7Cj4gPiAgCQo+ID4gIAlpZiAocmNkdS0+ aW5mby0+Z2VuIDwgMykgewo+ID4gQEAgLTY5LDIxICs2NywxOCBAQCBzdGF0aWMgdm9pZCByY2Fy X2R1X2dyb3VwX3NldHVwX2RlZnI4KHN0cnVjdAo+ID4gcmNhcl9kdV9ncm91cCAqcmdycCkKPiA+ ICAJCSAqIERVIGluc3RhbmNlcyB0aGF0IHN1cHBvcnQgaXQuCj4gPiAgCQkgKi8KPiA+ICAJCWlm IChyZ3JwLT5pbmRleCA9PSAwKSB7Cj4gPiAtCQkJaWYgKHBvc3NpYmxlX2NydGNzID4gMSkKPiA+ IC0JCQkJZGVmcjggfD0gREVGUjhfRFJHQlNfRFUocmNkdS0+ZHBhZDBfc291cmNlKTsKPiA+ICsJ CQlkZWZyOCB8PSBERUZSOF9EUkdCU19EVShyY2R1LT5kcGFkMF9zb3VyY2UpOwo+ID4gIAkJCWlm IChyZ3JwLT5kZXYtPnZzcGQxX3NpbmsgPT0gMikKPiA+ICAJCQkJZGVmcjggfD0gREVGUjhfVlND UzsKPiA+ICAJCX0KPiA+ICAJfSBlbHNlIHsKPiA+ICAJCS8qCj4gPiAtCQkgKiBPbiBHZW4zIFZT UEQgcm91dGluZyBjYW4ndCBiZSBjb25maWd1cmVkLCBidXQgRFBBRCByb3V0aW5nCj4gPiAtCQkg KiBuZWVkcyB0byBiZSBzZXQgZGVzcGl0ZSBoYXZpbmcgYSBzaW5nbGUgb3B0aW9uIGF2YWlsYWJs ZS4KPiA+ICsJCSAqIE9uIEdlbjMgVlNQRCByb3V0aW5nIGNhbid0IGJlIGNvbmZpZ3VyZWQsIGFu ZCBEUEFEIHJvdXRpbmcKPiA+ICsJCSAqIGlzIHNldCBpbiB0aGUgZ3JvdXAgY29ycmVzcG9uZGlu ZyB0byB0aGUgRFBBRCBvdXRwdXQgKG5vIEdlbjMKPiA+ICsJCSAqIFNvQyBoYXMgbXVsdGlwbGUg RFBBRCBzb3VyY2VzIGJlbG9uZ2luZyB0byBzZXBhcmF0ZSBncm91cHMpLgo+ID4gIAkJICovCj4g PiAtCQl1bnNpZ25lZCBpbnQgcmdiX2NydGMgPSBmZnMocG9zc2libGVfY3J0Y3MpIC0gMTsKPiA+ IC0JCXN0cnVjdCByY2FyX2R1X2NydGMgKmNydGMgPSAmcmNkdS0+Y3J0Y3NbcmdiX2NydGNdOwo+ ID4gLQo+ID4gLQkJaWYgKGNydGMtPmluZGV4IC8gMiA9PSByZ3JwLT5pbmRleCkKPiA+IC0JCQlk ZWZyOCB8PSBERUZSOF9EUkdCU19EVShjcnRjLT5pbmRleCk7Cj4gPiArCQlpZiAocmdycC0+aW5k ZXggPT0gcmNkdS0+ZHBhZDBfc291cmNlIC8gMikKPiA+ICsJCQlkZWZyOCB8PSBERUZSOF9EUkdC U19EVShyY2R1LT5kcGFkMF9zb3VyY2UpOwo+ID4gIAl9Cj4gPiAgCQo+ID4gIAlyY2FyX2R1X2dy b3VwX3dyaXRlKHJncnAsIERFRlI4LCBkZWZyOCk7Cj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL3JjYXItZHUvcmNhcl9kdV9rbXMuYwo+ID4gYi9kcml2ZXJzL2dwdS9kcm0vcmNhci1k dS9yY2FyX2R1X2ttcy5jIGluZGV4IGVkN2ZhMzIwNDg5Mi4uYmQwMTE5NzcwMGM1Cj4gPiAxMDA2 NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJfZHVfa21zLmMKPiA+ICsr KyBiL2RyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJfZHVfa21zLmMKPiA+IEBAIC01MDEsNiAr NTAxLDcgQEAgaW50IHJjYXJfZHVfbW9kZXNldF9pbml0KHN0cnVjdCByY2FyX2R1X2RldmljZSAq cmNkdSkKPiA+ICAJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IHJjZHUtPmRkZXY7Cj4gPiAgCXN0 cnVjdCBkcm1fZW5jb2RlciAqZW5jb2RlcjsKPiA+ICAJc3RydWN0IGRybV9mYmRldl9jbWEgKmZi ZGV2Owo+ID4gKwl1bnNpZ25lZCBpbnQgZHBhZDBfc291cmNlczsKPiA+ICAJdW5zaWduZWQgaW50 IG51bV9lbmNvZGVyczsKPiA+ICAJdW5zaWduZWQgaW50IG51bV9ncm91cHM7Cj4gPiAgCXVuc2ln bmVkIGludCBzd2luZGV4Owo+ID4gQEAgLTYxMyw2ICs2MTQsMTcgQEAgaW50IHJjYXJfZHVfbW9k ZXNldF9pbml0KHN0cnVjdCByY2FyX2R1X2RldmljZSAqcmNkdSkKPiA+ICAJCWVuY29kZXItPnBv c3NpYmxlX2Nsb25lcyA9ICgxIDw8IG51bV9lbmNvZGVycykgLSAxOwo+ID4gIAl9Cj4gPiAKPiA+ ICsJLyoKPiA+ICsJICogSW5pdGlhbGl6ZSB0aGUgZGVmYXVsdCBEUEFEMCBzb3VyY2UgdG8gdGhl IGluZGV4IG9mIHRoZSBmaXJzdCBEVQo+ID4gKwkgKiBjaGFubmVsIHRoYXQgY2FuIGJlIGNvbm5l Y3RlZCB0byBEUEFEMC4gVGhlIGV4YWN0IHZhbHVlIGRvZXNuJ3QKPiA+ICsJICogbWF0dGVyIGFz IGl0IHNob3VsZCBiZSBvdmVyd3JpdHRlbiBieSBtb2RlIHNldHRpbmcgZm9yIHRoZSBSR0IKPiA+ ICsJICogb3V0cHV0LCBidXQgaXQgaXMgbm9uZXRoZWxlc3MgcmVxdWlyZWQgdG8gZW5zdXJlIGEg dmFsaWQgaW5pdGlhbAo+ID4gKwkgKiBoYXJkd2FyZSBjb25maWd1cmF0aW9uIG9uIEdlbjMgd2hl cmUgRFUwIGNhbid0IGFsd2F5cyBiZSBjb25uZWN0ZWQKPiA+IHRvCj4gPiArCSAqIERQQUQwLgo+ ID4gKwkgKi8KPiA+ICsJZHBhZDBfc291cmNlcyA9IHJjZHUtPmluZm8tPgo+ID4gcm91dGVzW1JD QVJfRFVfT1VUUFVUX0RQQUQwXS5wb3NzaWJsZV9jcnRjczsKPiA+ICsJcmNkdS0+ZHBhZDBfc291 cmNlID0gZmZzKGRwYWQwX3NvdXJjZXMpIC0gMTsKPiA+ICsKPiA+ICAJZHJtX21vZGVfY29uZmln X3Jlc2V0KGRldik7Cj4gPiAgCQo+ID4gIAlkcm1fa21zX2hlbHBlcl9wb2xsX2luaXQoZGV2KTsK Ci0tIApSZWdhcmRzLAoKTGF1cmVudCBQaW5jaGFydAoKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZl bEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9kcmktZGV2ZWwK