From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] Revert "drm/i915: Disallow pin ioctl completely for kms drivers" Date: Thu, 27 Nov 2014 15:56:38 +0200 Message-ID: <87oars3fxl.fsf@intel.com> References: <1416915776-20730-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id F40006E012 for ; Thu, 27 Nov 2014 05:56:28 -0800 (PST) In-Reply-To: <1416915776-20730-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCAyNSBOb3YgMjAxNCwgQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+IHdyb3RlOgo+IFRoaXMgcmV2ZXJ0cyBjb21taXQgYzIxMWE0N2MyYzI4NTYyZjhhM2ZmZjll MDI3YmUxYTNlZDllMTU0YS4KPgo+IFRoaXMgY2F1c2VzIGFuIHVud2FycmFudGVlZCBBUEkgYnJl YWsgZm9yIGV4aXN0aW5nIGFuZCBhY3RpdmUgdXNlcnNwYWNlLgoKVmlsbGUgaGFkIGFuIGludGVy ZXN0aW5nIG9ic2VydmF0aW9uIHJlZ2FyZGluZyB0aGUgY29tbWl0IGJlaW5nCnJldmVydGVkOiBo dHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD04NjY3OSNjOQoKQlIs CkphbmkuCgoKPgo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2ls c29uLmNvLnVrPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgOTAg KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKPiAgMSBmaWxlIGNoYW5n ZWQsIDkwIGluc2VydGlvbnMoKykKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2dlbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+IGluZGV4IDYx NGJjMmJjMTZmZS4uNGExY2E3YWJkN2Y5IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4g QEAgLTQyNTIsNiArNDI1Miw5NiBAQCBpOTE1X2dlbV9vYmplY3RfdW5waW5fZmVuY2Uoc3RydWN0 IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaikKPiAgfQo+ICAKPiAgaW50Cj4gK2k5MTVfZ2VtX3Bp bl9pb2N0bChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCB2b2lkICpkYXRhLAo+ICsJCSAgIHN0cnVj dCBkcm1fZmlsZSAqZmlsZSkKPiArewo+ICsJc3RydWN0IGRybV9pOTE1X2dlbV9waW4gKmFyZ3Mg PSBkYXRhOwo+ICsJc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iajsKPiArCWludCByZXQ7 Cj4gKwo+ICsJcmV0ID0gaTkxNV9tdXRleF9sb2NrX2ludGVycnVwdGlibGUoZGV2KTsKPiArCWlm IChyZXQpCj4gKwkJcmV0dXJuIHJldDsKPiArCj4gKwlvYmogPSB0b19pbnRlbF9ibyhkcm1fZ2Vt X29iamVjdF9sb29rdXAoZGV2LCBmaWxlLCBhcmdzLT5oYW5kbGUpKTsKPiArCWlmICgmb2JqLT5i YXNlID09IE5VTEwpIHsKPiArCQlyZXQgPSAtRU5PRU5UOwo+ICsJCWdvdG8gdW5sb2NrOwo+ICsJ fQo+ICsKPiArCWlmIChvYmotPm1hZHYgIT0gSTkxNV9NQURWX1dJTExORUVEKSB7Cj4gKwkJRFJN X0RFQlVHKCJBdHRlbXB0aW5nIHRvIHBpbiBhIHB1cmdlYWJsZSBidWZmZXJcbiIpOwo+ICsJCXJl dCA9IC1FRkFVTFQ7Cj4gKwkJZ290byBvdXQ7Cj4gKwl9Cj4gKwo+ICsJaWYgKG9iai0+cGluX2Zp bHAgIT0gTlVMTCAmJiBvYmotPnBpbl9maWxwICE9IGZpbGUpIHsKPiArCQlEUk1fREVCVUcoIkFs cmVhZHkgcGlubmVkIGluIGk5MTVfZ2VtX3Bpbl9pb2N0bCgpOiAlZFxuIiwKPiArCQkJICBhcmdz LT5oYW5kbGUpOwo+ICsJCXJldCA9IC1FSU5WQUw7Cj4gKwkJZ290byBvdXQ7Cj4gKwl9Cj4gKwo+ ICsJaWYgKG9iai0+dXNlcl9waW5fY291bnQgPT0gVUxPTkdfTUFYKSB7Cj4gKwkJcmV0ID0gLUVC VVNZOwo+ICsJCWdvdG8gb3V0Owo+ICsJfQo+ICsKPiArCWlmIChvYmotPnVzZXJfcGluX2NvdW50 ID09IDApIHsKPiArCQlyZXQgPSBpOTE1X2dlbV9vYmpfZ2d0dF9waW4ob2JqLCBhcmdzLT5hbGln bm1lbnQsIFBJTl9NQVBQQUJMRSk7Cj4gKwkJaWYgKHJldCkKPiArCQkJZ290byBvdXQ7Cj4gKwl9 Cj4gKwo+ICsJb2JqLT51c2VyX3Bpbl9jb3VudCsrOwo+ICsJb2JqLT5waW5fZmlscCA9IGZpbGU7 Cj4gKwo+ICsJYXJncy0+b2Zmc2V0ID0gaTkxNV9nZW1fb2JqX2dndHRfb2Zmc2V0KG9iaik7Cj4g K291dDoKPiArCWRybV9nZW1fb2JqZWN0X3VucmVmZXJlbmNlKCZvYmotPmJhc2UpOwo+ICt1bmxv Y2s6Cj4gKwltdXRleF91bmxvY2soJmRldi0+c3RydWN0X211dGV4KTsKPiArCXJldHVybiByZXQ7 Cj4gK30KPiArCj4gK2ludAo+ICtpOTE1X2dlbV91bnBpbl9pb2N0bChzdHJ1Y3QgZHJtX2Rldmlj ZSAqZGV2LCB2b2lkICpkYXRhLAo+ICsJCSAgICAgc3RydWN0IGRybV9maWxlICpmaWxlKQo+ICt7 Cj4gKwlzdHJ1Y3QgZHJtX2k5MTVfZ2VtX3BpbiAqYXJncyA9IGRhdGE7Cj4gKwlzdHJ1Y3QgZHJt X2k5MTVfZ2VtX29iamVjdCAqb2JqOwo+ICsJaW50IHJldDsKPiArCj4gKwlyZXQgPSBpOTE1X211 dGV4X2xvY2tfaW50ZXJydXB0aWJsZShkZXYpOwo+ICsJaWYgKHJldCkKPiArCQlyZXR1cm4gcmV0 Owo+ICsKPiArCW9iaiA9IHRvX2ludGVsX2JvKGRybV9nZW1fb2JqZWN0X2xvb2t1cChkZXYsIGZp bGUsIGFyZ3MtPmhhbmRsZSkpOwo+ICsJaWYgKCZvYmotPmJhc2UgPT0gTlVMTCkgewo+ICsJCXJl dCA9IC1FTk9FTlQ7Cj4gKwkJZ290byB1bmxvY2s7Cj4gKwl9Cj4gKwo+ICsJaWYgKG9iai0+cGlu X2ZpbHAgIT0gZmlsZSkgewo+ICsJCURSTV9ERUJVRygiTm90IHBpbm5lZCBieSBjYWxsZXIgaW4g aTkxNV9nZW1fcGluX2lvY3RsKCk6ICVkXG4iLAo+ICsJCQkgIGFyZ3MtPmhhbmRsZSk7Cj4gKwkJ cmV0ID0gLUVJTlZBTDsKPiArCQlnb3RvIG91dDsKPiArCX0KPiArCW9iai0+dXNlcl9waW5fY291 bnQtLTsKPiArCWlmIChvYmotPnVzZXJfcGluX2NvdW50ID09IDApIHsKPiArCQlvYmotPnBpbl9m aWxwID0gTlVMTDsKPiArCQlpOTE1X2dlbV9vYmplY3RfZ2d0dF91bnBpbihvYmopOwo+ICsJfQo+ ICsKPiArb3V0Ogo+ICsJZHJtX2dlbV9vYmplY3RfdW5yZWZlcmVuY2UoJm9iai0+YmFzZSk7Cj4g K3VubG9jazoKPiArCW11dGV4X3VubG9jaygmZGV2LT5zdHJ1Y3RfbXV0ZXgpOwo+ICsJcmV0dXJu IHJldDsKPiArfQo+ICsKPiAraW50Cj4gIGk5MTVfZ2VtX2J1c3lfaW9jdGwoc3RydWN0IGRybV9k ZXZpY2UgKmRldiwgdm9pZCAqZGF0YSwKPiAgCQkgICAgc3RydWN0IGRybV9maWxlICpmaWxlKQo+ ICB7Cj4gLS0gCj4gMi4xLjMKPgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4CgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hu b2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 Cg==