From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 1/3] drm/i915: Prevent concurrent GGTT update and use on Braswell (again) Date: Tue, 15 Jan 2019 09:04:47 +0000 Message-ID: <6c7216ef-e4ad-1f9c-5b4e-f53b70bcfb2e@linux.intel.com> References: <20190114211729.30352-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 918AD6E65B for ; Tue, 15 Jan 2019 09:04:48 +0000 (UTC) In-Reply-To: <20190114211729.30352-1-chris@chris-wilson.co.uk> Content-Language: en-US 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 Ck9uIDE0LzAxLzIwMTkgMjE6MTcsIENocmlzIFdpbHNvbiB3cm90ZToKPiBPbiBCcmFzd2VsbCwg dW5kZXIgaGVhdnkgc3RyZXNzLCBpZiB3ZSB1cGRhdGUgdGhlIEdHVFQgd2hpbGUKPiBzaW11bHRh bmVvdXNseSBhY2Nlc3NpbmcgYW5vdGhlciByZWdpb24gaW5zaWRlIHRoZSBHVFQsIHdlIGFyZSBy ZXR1cm5lZAo+IHRoZSB3cm9uZyB2YWx1ZXMuIFRvIHByZXZlbnQgdGhpcyB3ZSBzdG9wIHRoZSBt YWNoaW5lIHRvIHVwZGF0ZSB0aGUgR0dUVAo+IGVudHJpZXMgc28gdGhhdCBubyBtZW1vcnkgdHJh ZmZpYyBjYW4gb2NjdXIgYXQgdGhlIHNhbWUgdGltZS4KPiAKPiBUaGlzIHdhcyBmaXJzdCBzcG90 dGVkIGluCj4gCj4gY29tbWl0IDViYWI2ZjYwY2I0ZDE0MTdhZDdjNTk5MTY2YmNmZWM4NzUyOWMx YTIKPiBBdXRob3I6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IERh dGU6ICAgRnJpIE9jdCAyMyAxODo0MzozMiAyMDE1ICswMTAwCj4gCj4gICAgICBkcm0vaTkxNTog U2VyaWFsaXNlIHVwZGF0ZXMgdG8gR0dUVCB3aXRoIGFjY2VzcyB0aHJvdWdoIEdHVFQgb24gQnJh c3dlbGwKPiAKPiBidXQgcmVtb3ZlZCBhZ2FpbiBpbiBmb3Jsb3JuIGhvcGUgd2l0aAo+IAo+IGNv bW1pdCA0NTA5Mjc2ZWU4MjRiYjk2Nzg4NWMwOTVjNjEwNzY3ZTQyMzQ1YzM2Cj4gQXV0aG9yOiBD aHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiBEYXRlOiAgIE1vbiBGZWIg MjAgMTI6NDc6MTggMjAxNyArMDAwMAo+IAo+ICAgICAgZHJtL2k5MTU6IFJlbW92ZSBCcmFzd2Vs bCBHR1RUIHVwZGF0ZSB3L2EKPiAKPiBIb3dldmVyLCBnZW1fY29uY3VycmVudF9ibGl0IGlzIG9u Y2UgYWdhaW4gb25seSBzdGFibGUgd2l0aCB0aGUgcGF0Y2gKPiBhcHBsaWVkIGFuZCBDSSBpcyBk ZXRlY3RpbmcgdGhlIG9kZCBmYWlsdXJlIGluIGZvcmtlZCBnZW1fbW1hcF9ndHQgdGVzdHMKPiAo d2hpY2ggc21lbGwgbGlrZSB0aGUgc2FtZSBpc3N1ZSkuIEZ3aXcsIGEgd2lkZSB2YXJpZXR5IG9m IENQVSBtZW1vcnkKPiBiYXJyaWVycyAoYXJvdW5kIEdHVFQgZmx1c2hpbmcsIGZlbmNlIHVwZGF0 ZXMsIFBURSB1cGRhdGVzKSBhbmQgR1BVCj4gZmx1c2hlcy9pbnZhbGlkYXRlcyAoYmV0d2VlbiBy ZXF1ZXN0cywgYWZ0ZXIgUFRFIHVwZGF0ZXMpIHdlcmUgdHJpZWQgYXMKPiBwYXJ0IG9mIHRoZSBp bnZlc3RpZ2F0aW9uIHRvIGZpbmQgYW4gYWx0ZXJuYXRlIGNhdXNlLCBub3RoaW5nIGNvbWVzCj4g Y2xvc2UgdG8gc2VyaWFsaXNlZCBHR1RUIHVwZGF0ZXMuCj4gCj4gQnVnemlsbGE6IGh0dHBzOi8v YnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTEwNTU5MQo+IFRlc3RjYXNlOiBp Z3QvZ2VtX2NvbmN1cnJlbnRfYmxpdAo+IFRlc3RjYXNlOiBpZ3QvZ2VtX21tYXBfZ3R0Lypmb3Jr ZWQqCj4gUmVmZXJlbmNlczogNWJhYjZmNjBjYjRkICgiZHJtL2k5MTU6IFNlcmlhbGlzZSB1cGRh dGVzIHRvIEdHVFQgd2l0aCBhY2Nlc3MgdGhyb3VnaCBHR1RUIG9uIEJyYXN3ZWxsIikKPiBSZWZl cmVuY2VzOiA0NTA5Mjc2ZWU4MjQgKCJkcm0vaTkxNTogUmVtb3ZlIEJyYXN3ZWxsIEdHVFQgdXBk YXRlIHcvYSIpCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxz b24uY28udWs+Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYyB8 IDMgKystCj4gICAxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0p Cj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKPiBpbmRleCBkYmVhMTRiZjY3Y2Mu LmYwZDQ2MzY2ZmIwYiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dl bV9ndHQuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCj4gQEAg LTMyMzIsNyArMzIzMiw4IEBAIHN0YXRpYyBpbnQgZ2VuOF9nbWNoX3Byb2JlKHN0cnVjdCBpOTE1 X2dndHQgKmdndHQpCj4gICAJZ2d0dC0+dm0uaW5zZXJ0X2VudHJpZXMgPSBnZW44X2dndHRfaW5z ZXJ0X2VudHJpZXM7Cj4gICAKPiAgIAkvKiBTZXJpYWxpemUgR1RUIHVwZGF0ZXMgd2l0aCBhcGVy dHVyZSBhY2Nlc3Mgb24gQlhUIGlmIFZULWQgaXMgb24uICovCj4gLQlpZiAoaW50ZWxfZ2d0dF91 cGRhdGVfbmVlZHNfdnRkX3dhKGRldl9wcml2KSkgewo+ICsJaWYgKGludGVsX2dndHRfdXBkYXRl X25lZWRzX3Z0ZF93YShkZXZfcHJpdikgfHwKPiArCSAgICBJU19DSEVSUllWSUVXKGRldl9wcml2 KSAvKiBmYWlscyB3aXRoIGNvbmN1cnJlbnQgdXNlL3VwZGF0ZSAqLykgewo+ICAgCQlnZ3R0LT52 bS5pbnNlcnRfZW50cmllcyA9IGJ4dF92dGRfZ2d0dF9pbnNlcnRfZW50cmllc19fQktMOwo+ICAg CQlnZ3R0LT52bS5pbnNlcnRfcGFnZSAgICA9IGJ4dF92dGRfZ2d0dF9pbnNlcnRfcGFnZV9fQktM Owo+ICAgCQlpZiAoZ2d0dC0+dm0uY2xlYXJfcmFuZ2UgIT0gbm9wX2NsZWFyX3JhbmdlKQo+IApS ZXZpZXdlZC1ieTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KClJl Z2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwt Z2Z4Cg==