From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: Re: etnaviv: Possible circular lockingon i.MX6QP Date: Thu, 27 Jun 2019 11:43:33 +0200 Message-ID: <1561628613.2587.40.camel@pengutronix.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id E404C6E84A for ; Thu, 27 Jun 2019 09:43:37 +0000 (UTC) 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: Fabio Estevam , Christian Gmeiner , Russell King - ARM Linux Cc: The etnaviv authors , DRI mailing list List-Id: dri-devel@lists.freedesktop.org SGkgRmFiaW8sCgpBbSBNaXR0d29jaCwgZGVuIDEyLjA2LjIwMTksIDEyOjQ4IC0wMzAwIHNjaHJp ZWIgRmFiaW8gRXN0ZXZhbToKPiBIaSwKPiAKPiBPbiBhIGlteDZxcC13YW5kYm9hcmQgSSBnZXQg dGhlIHdhcm5pbmcgYmVsb3cgYWJvdXQgYSBwb3NzaWJsZQo+IGNpcmN1bGFyIGxvY2tpbmcgZGVw ZW5kZW5jeSBydW5uaW5nIDUuMS45IGJ1aWx0IGZyb20KPiBpbXhfdjZfdjdfZGVmY29uZmlnLgo+ IAo+IFN1Y2ggd2FybmluZyBkb2VzIG5vdCBoYXBwZW4gb24gdGhlIGlteDZxIG9yIGlteDZzb2xv IHZhcmlhbnRzIG9mCj4gd2FuZGJvYXJkIHRob3VnaC4KPiAKPiBBbnkgaWRlYXM/CgpUaGUgaXNz dWUgcmVwb3J0ZWQgYnkgbG9ja2RlcCBpcyByZWFsLiBZb3UgcHJvYmFibHkgb25seSBzZWUgaXQg b24gUVAKYXMgaXQncyB1bmNvdmVyZWQgZHVlIHRvIGEgTU1VIGV4Y2VwdGlvbiB0cmlnZ2VyZWQg R1BVIGhhbmcuIE1NVXYxCmNvcmVzIGxpa2UgdGhlIG9uZXMgb24gdGhlIG9sZGVyIGkuTVg2IGFy ZSB1bmFibGUgdG8gc2lnbmFsIE1NVQpleGNlcHRpb25zIGJ1dCBqdXN0IHJlYWQgdGhlIGR1bW15 IHBhZ2UuCgpTb21lIGdpdCBoaXN0b3J5IGRpZ2dpbmcgc2hvd3MgdGhhdCB0aGUgYnVnIGhhcyBi ZWVuIGludHJvZHVjZWQgd2l0aAozNzQxNTQwZTA0MTMgKGRybS9zY2hlZDogUmV3b3JrIEhXIGZl bmNlIHByb2Nlc3NpbmcuKSwgd2hpY2ggaXMgcGFydCBvZiBrZXJuZWwgNS4xLiBUaGUgZml4IGlz IDU5MTgwNDVjNGVkNCAoZHJtL3NjaGVkdWxlcjogcmV3b3JrIGpvYiBkZXN0cnVjdGlvbiksIHdo aWNoIGlzIG5vdCBpbiBhbnkgcmVsZWFzZWQga2VybmVsIHlldCBhbmQgc2VlbXMgdG8gYmUgdG9v IGJpZyBmb3Igc3RhYmxlLCBzbyBJJ20gbm90IHJlYWxseSBzdXJlIHdoYXQgdG8gZG8gYXQgdGhp cyBwb2ludC4KClJlZ2FyZHMsCkx1Y2FzCgo+ICBUaGFua3MsCj4gCj4gRmFiaW8gRXN0ZXZhbQo+ IAo+ICoqIChtYXRjaGJveC1wYW5lbDo3MDgpOiBXQVJOSU5HICoqOiBGYWlsZWQgdG8gbG9hZCBh cHBsZXQgImJhdHRlcnkiCj4gKC91c3IvbGliL21hdGNoYm94LXBhbmVsL2xpYmJhdHRlcnkuc286 IGNhbm5vdCBvcGVuIHNoYXJlZCBvYmplY3QKPiBmaWxlOiBObyBzdWNoIGZpbGUgb3IgZGlyZWN0 b3J5KS4KPiBtYXRjaGJveC13bTogWCBlcnJvciB3YXJuaW5nICgweGUwMDAwMyk6IEJhZFdpbmRv dyAoaW52YWxpZCBXaW5kb3cKPiBwYXJhbWV0ZXIpIChvcGNvZGU6IDEyKQo+IGV0bmF2aXYtZ3B1 IDEzNDAwMC5ncHU6IE1NVSBmYXVsdCBzdGF0dXMgMHgwMDAwMDAwMQo+IGV0bmF2aXYtZ3B1IDEz NDAwMC5ncHU6IE1NVSAwIGZhdWx0IGFkZHIgMHgwODA1ZmZjMAo+IAo+ID09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQo+IFdBUk5JTkc6IHBvc3Np YmxlIGNpcmN1bGFyIGxvY2tpbmcgZGVwZW5kZW5jeSBkZXRlY3RlZAo+IDUuMS45ICM1OCBOb3Qg dGFpbnRlZAo+IC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLQo+IGt3b3JrZXIvMDoxLzI5IGlzIHRyeWluZyB0byBhY3F1aXJlIGxvY2s6Cj4gKHB0 cnZhbCkgKCYoJmdwdS0+ZmVuY2Vfc3BpbmxvY2spLT5ybG9jayl7LS4uLn0sIGF0Ogo+IGRtYV9m ZW5jZV9yZW1vdmVfY2FsbGJhY2srMHgxNC8weDUwCj4gCj4gYnV0IHRhc2sgaXMgYWxyZWFkeSBo b2xkaW5nIGxvY2s6Cj4gKHB0cnZhbCkgKCYoJnNjaGVkLT5qb2JfbGlzdF9sb2NrKS0+cmxvY2sp ey0uLi59LCBhdDoKPiBkcm1fc2NoZWRfc3RvcCsweDFjLzB4MTI0Cj4gCj4gd2hpY2ggbG9jayBh bHJlYWR5IGRlcGVuZHMgb24gdGhlIG5ldyBsb2NrLgo+IAo+IAo+IHRoZSBleGlzdGluZyBkZXBl bmRlbmN5IGNoYWluIChpbiByZXZlcnNlIG9yZGVyKSBpczoKPiAKPiAtPiAjMSAoJigmc2NoZWQt PmpvYl9saXN0X2xvY2spLT5ybG9jayl7LS4uLn06Cj4gwqDCoMKgwqDCoMKgwqBkcm1fc2NoZWRf cHJvY2Vzc19qb2IrMHg1Yy8weDFjOAo+IMKgwqDCoMKgwqDCoMKgZG1hX2ZlbmNlX3NpZ25hbCsw eGRjLzB4MWQ0Cj4gwqDCoMKgwqDCoMKgwqBpcnFfaGFuZGxlcisweGQwLzB4MWUwCj4gwqDCoMKg wqDCoMKgwqBfX2hhbmRsZV9pcnFfZXZlbnRfcGVyY3B1KzB4NDgvMHgzNjAKPiDCoMKgwqDCoMKg wqDCoGhhbmRsZV9pcnFfZXZlbnRfcGVyY3B1KzB4MjgvMHg3Ywo+IMKgwqDCoMKgwqDCoMKgaGFu ZGxlX2lycV9ldmVudCsweDM4LzB4NWMKPiDCoMKgwqDCoMKgwqDCoGhhbmRsZV9mYXN0ZW9pX2ly cSsweGMwLzB4MTdjCj4gwqDCoMKgwqDCoMKgwqBnZW5lcmljX2hhbmRsZV9pcnErMHgyMC8weDM0 Cj4gwqDCoMKgwqDCoMKgwqBfX2hhbmRsZV9kb21haW5faXJxKzB4NjQvMHhlMAo+IMKgwqDCoMKg wqDCoMKgZ2ljX2hhbmRsZV9pcnErMHg0Yy8weGE4Cj4gwqDCoMKgwqDCoMKgwqBfX2lycV9zdmMr MHg3MC8weDk4Cj4gwqDCoMKgwqDCoMKgwqBjcHVpZGxlX2VudGVyX3N0YXRlKzB4MTY4LzB4NWE0 Cj4gwqDCoMKgwqDCoMKgwqBjcHVpZGxlX2VudGVyX3N0YXRlKzB4MTY4LzB4NWE0Cj4gwqDCoMKg wqDCoMKgwqBkb19pZGxlKzB4MjIwLzB4MmMwCj4gwqDCoMKgwqDCoMKgwqBjcHVfc3RhcnR1cF9l bnRyeSsweDE4LzB4MjAKPiDCoMKgwqDCoMKgwqDCoHN0YXJ0X2tlcm5lbCsweDNlNC8weDQ5OAo+ IAo+IC0+ICMwICgmKCZncHUtPmZlbmNlX3NwaW5sb2NrKS0+cmxvY2spey0uLi59Ogo+IMKgwqDC oMKgwqDCoMKgX3Jhd19zcGluX2xvY2tfaXJxc2F2ZSsweDM4LzB4NGMKPiDCoMKgwqDCoMKgwqDC oGRtYV9mZW5jZV9yZW1vdmVfY2FsbGJhY2srMHgxNC8weDUwCj4gwqDCoMKgwqDCoMKgwqBkcm1f c2NoZWRfc3RvcCsweDk4LzB4MTI0Cj4gwqDCoMKgwqDCoMKgwqBldG5hdml2X3NjaGVkX3RpbWVk b3V0X2pvYisweDdjLzB4YjQKPiDCoMKgwqDCoMKgwqDCoGRybV9zY2hlZF9qb2JfdGltZWRvdXQr MHgzNC8weDVjCj4gwqDCoMKgwqDCoMKgwqBwcm9jZXNzX29uZV93b3JrKzB4MmFjLzB4NzA0Cj4g wqDCoMKgwqDCoMKgwqB3b3JrZXJfdGhyZWFkKzB4MmMvMHg1NzQKPiDCoMKgwqDCoMKgwqDCoGt0 aHJlYWQrMHgxMzQvMHgxNDgKPiDCoMKgwqDCoMKgwqDCoHJldF9mcm9tX2ZvcmsrMHgxNC8weDIw Cj4gwqDCoMKgwqDCoMKgwqDCoMKgKG51bGwpCj4gCj4gb3RoZXIgaW5mbyB0aGF0IG1pZ2h0IGhl bHAgdXMgZGVidWcgdGhpczoKPiAKPiDCoFBvc3NpYmxlIHVuc2FmZSBsb2NraW5nIHNjZW5hcmlv Ogo+IAo+IMKgwqDCoMKgwqDCoMKgQ1BVMMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqBDUFUxCj4gwqDCoMKgwqDCoMKgwqAtLS0twqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoC0tLS0KPiDCoCBsb2NrKCYoJnNjaGVkLT5qb2JfbGlzdF9sb2NrKS0+ cmxvY2spOwo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgbG9jaygmKCZncHUtPmZlbmNlX3NwaW5sb2NrKS0+cmxvY2spOwo+IMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgbG9jaygmKCZzY2hlZC0+am9iX2xpc3RfbG9jayktPnJsb2NrKTsKPiDCoCBsb2NrKCYoJmdw dS0+ZmVuY2Vfc3BpbmxvY2spLT5ybG9jayk7Cj4gCj4gwqAqKiogREVBRExPQ0sgKioqCj4gCj4g MyBsb2NrcyBoZWxkIGJ5IGt3b3JrZXIvMDoxLzI5Ogo+IMKgIzA6IChwdHJ2YWwpICgod3FfY29t cGxldGlvbilldmVudHMpeysuKy59LCBhdDoKPiBwcm9jZXNzX29uZV93b3JrKzB4MWY0LzB4NzA0 Cj4gwqAjMTogKHB0cnZhbCkgKCh3b3JrX2NvbXBsZXRpb24pKCYoJnNjaGVkLT53b3JrX3Rkcikt PndvcmspKXsrLisufSwKPiBhdDogcHJvY2Vzc19vbmVfd29yaysweDFmNC8weDcwNAo+IMKgIzI6 IChwdHJ2YWwpICgmKCZzY2hlZC0+am9iX2xpc3RfbG9jayktPnJsb2NrKXstLi4ufSwgYXQ6Cj4g ZHJtX3NjaGVkX3N0b3ArMHgxYy8weDEyNAo+IAo+IHN0YWNrIGJhY2t0cmFjZToKPiBDUFU6IDAg UElEOiAyOSBDb21tOiBrd29ya2VyLzA6MSBOb3QgdGFpbnRlZCA1LjEuOSAjNTgKPiBIYXJkd2Fy ZSBuYW1lOiBGcmVlc2NhbGUgaS5NWDYgUXVhZC9EdWFsTGl0ZSAoRGV2aWNlIFRyZWUpCj4gV29y a3F1ZXVlOiBldmVudHMgZHJtX3NjaGVkX2pvYl90aW1lZG91dAo+IFs8YzAxMTI3NDg+XSAodW53 aW5kX2JhY2t0cmFjZSkgZnJvbSBbPGMwMTBjZmJjPl0KPiAoc2hvd19zdGFjaysweDEwLzB4MTQp Cj4gWzxjMDEwY2ZiYz5dIChzaG93X3N0YWNrKSBmcm9tIFs8YzBiZDMxZWM+XSAoZHVtcF9zdGFj aysweGQ4LzB4MTEwKQo+IFs8YzBiZDMxZWM+XSAoZHVtcF9zdGFjaykgZnJvbSBbPGMwMTdhMjJj Pl0KPiAocHJpbnRfY2lyY3VsYXJfYnVnLmNvbnN0cHJvcC4xOSsweDFiYy8weDJmMCkKPiBbPGMw MTdhMjJjPl0gKHByaW50X2NpcmN1bGFyX2J1Zy5jb25zdHByb3AuMTkpIGZyb20gWzxjMDE3ZDQw OD5dCj4gKF9fbG9ja19hY3F1aXJlKzB4MTc3OC8weDFmMzgpCj4gWzxjMDE3ZDQwOD5dIChfX2xv Y2tfYWNxdWlyZSkgZnJvbSBbPGMwMTdlM2E0Pl0KPiAobG9ja19hY3F1aXJlKzB4Y2MvMHgxZTgp Cj4gWzxjMDE3ZTNhND5dIChsb2NrX2FjcXVpcmUpIGZyb20gWzxjMGJmNDEzND5dCj4gKF9yYXdf c3Bpbl9sb2NrX2lycXNhdmUrMHgzOC8weDRjKQo+IFs8YzBiZjQxMzQ+XSAoX3Jhd19zcGluX2xv Y2tfaXJxc2F2ZSkgZnJvbSBbPGMwNjkyNzEwPl0KPiAoZG1hX2ZlbmNlX3JlbW92ZV9jYWxsYmFj aysweDE0LzB4NTApCj4gWzxjMDY5MjcxMD5dIChkbWFfZmVuY2VfcmVtb3ZlX2NhbGxiYWNrKSBm cm9tIFs8YzA1ZDI1YjQ+XQo+IChkcm1fc2NoZWRfc3RvcCsweDk4LzB4MTI0KQo+IFs8YzA1ZDI1 YjQ+XSAoZHJtX3NjaGVkX3N0b3ApIGZyb20gWzxjMDY0YTNlOD5dCj4gKGV0bmF2aXZfc2NoZWRf dGltZWRvdXRfam9iKzB4N2MvMHhiNCkKPiBbPGMwNjRhM2U4Pl0gKGV0bmF2aXZfc2NoZWRfdGlt ZWRvdXRfam9iKSBmcm9tIFs8YzA1ZDI5NjQ+XQo+IChkcm1fc2NoZWRfam9iX3RpbWVkb3V0KzB4 MzQvMHg1YykKPiBbPGMwNWQyOTY0Pl0gKGRybV9zY2hlZF9qb2JfdGltZWRvdXQpIGZyb20gWzxj MDE0NjhlYz5dCj4gKHByb2Nlc3Nfb25lX3dvcmsrMHgyYWMvMHg3MDQpCj4gWzxjMDE0NjhlYz5d IChwcm9jZXNzX29uZV93b3JrKSBmcm9tIFs8YzAxNDZkNzA+XQo+ICh3b3JrZXJfdGhyZWFkKzB4 MmMvMHg1NzQpCj4gWzxjMDE0NmQ3MD5dICh3b3JrZXJfdGhyZWFkKSBmcm9tIFs8YzAxNGNkODg+ XSAoa3RocmVhZCsweDEzNC8weDE0OCkKPiBbPGMwMTRjZDg4Pl0gKGt0aHJlYWQpIGZyb20gWzxj MDEwMTBiND5dIChyZXRfZnJvbV9mb3JrKzB4MTQvMHgyMCkKPiBFeGNlcHRpb24gc3RhY2soMHhl ODFmN2ZiMCB0byAweGU4MWY3ZmY4KQo+IDdmYTA6wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAwMDAwMDAwMCAw MDAwMDAwMCAwMDAwMDAwMAo+IDAwMDAwMDAwCj4gN2ZjMDogMDAwMDAwMDAgMDAwMDAwMDAgMDAw MDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAKPiAwMDAwMDAwMAo+IDdm ZTA6IDAwMDAwMDAwIDAwMDAwMDAwIDAwMDAwMDAwIDAwMDAwMDAwIDAwMDAwMDEzIDAwMDAwMDAw Cj4gZXRuYXZpdi1ncHUgMTM0MDAwLmdwdTogcmVjb3ZlciBodW5nIEdQVSEKPiBfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IGV0bmF2aXYgbWFpbGluZyBs aXN0Cj4gZXRuYXZpdkBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2V0bmF2aXYKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2 ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vZHJpLWRldmVs