From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/gem_shmem: Use a writecombine mapping for ->vaddr Date: Mon, 3 Jun 2019 09:21:33 +0200 Message-ID: <20190603072133.GY21222@phenom.ffwll.local> References: <20190529065121.13485-1-boris.brezillon@collabora.com> <87woi6wrrh.fsf@anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-ed1-x542.google.com (mail-ed1-x542.google.com [IPv6:2a00:1450:4864:20::542]) by gabe.freedesktop.org (Postfix) with ESMTPS id D80E88919C for ; Mon, 3 Jun 2019 07:21:37 +0000 (UTC) Received: by mail-ed1-x542.google.com with SMTP id b8so25465889edm.11 for ; Mon, 03 Jun 2019 00:21:37 -0700 (PDT) Content-Disposition: inline In-Reply-To: <87woi6wrrh.fsf@anholt.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Eric Anholt Cc: dri-devel@lists.freedesktop.org, Boris Brezillon , Rob Herring List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCBNYXkgMzEsIDIwMTkgYXQgMDg6NDY6NThBTSAtMDcwMCwgRXJpYyBBbmhvbHQgd3Jv dGU6Cj4gQm9yaXMgQnJlemlsbG9uIDxib3Jpcy5icmV6aWxsb25AY29sbGFib3JhLmNvbT4gd3Jp dGVzOgo+IAo+ID4gUmlnaHQgbm93LCB0aGUgQk8gaXMgbWFwcGVkIGFzIGEgY2FjaGVkIHJlZ2lv biB3aGVuIC0+dm1hcCgpIGlzIGNhbGxlZAo+ID4gYW5kIHRoZSB1bmRlcmx5aW5nIG9iamVjdCBp cyBub3QgYSBkbWFidWYuCj4gPiBEb2luZyB0aGF0IG1ha2VzIGNhY2hlIG1hbmFnZW1lbnQgYSBi aXQgbW9yZSBjb21wbGljYXRlZCAoeW91J2QgbmVlZAo+ID4gdG8gY2FsbCBkbWFfbWFwL3VubWFw X3NnKCkgb24gdGhlIC0+c2d0IGZpZWxkIGV2ZXJ5dGltZSB0aGUgQk8gaXMgYWJvdXQKPiA+IHRv IGJlIHBhc3NlZCB0byB0aGUgR1BVL0NQVSksIHNvIGxldCdzIG1hcCB0aGUgQk8gd2l0aCB3cml0 ZWNvbWJpbmUKPiA+IGF0dHJpYnV0ZXMgaW5zdGVhZCAoYXMgZG9uZSBpbiBtb3N0IGRyaXZlcnMp Lgo+ID4KPiA+IFNpZ25lZC1vZmYtYnk6IEJvcmlzIEJyZXppbGxvbiA8Ym9yaXMuYnJlemlsbG9u QGNvbGxhYm9yYS5jb20+Cj4gPiAtLS0KPiA+IEZvdW5kIHRoaXMgaXNzdWUgd2hpbGUgd29ya2lu ZyBvbiBwYW5mcm9zdCBwZXJmY250IHdoZXJlIHRoZSBHUFUgZHVtcHMKPiA+IHBlcmYgY291bnRl ciB2YWx1ZXMgaW4gbWVtb3J5IGFuZCB0aGUgQ1BVIHJlYWRzIHRoZW0gYmFjayBpbgo+ID4ga2Vy bmVsLXNwYWNlLiBUaGlzIHBhdGNoIHNlZW1zIHRvIHNvbHZlIHRoZSB1bnByZWRpY3RhYmxlIGJl aGF2aW9yIEkKPiA+IGhhZC4KPiA+Cj4gPiBJIGNhbiBhbHNvIGdvIGZvciB0aGUgb3RoZXIgb3B0 aW9uIChjYWxsIGRtYV9tYXAvdW5tYXAvX3NnKCkgd2hlbgo+ID4gbmVlZGVkKSBpZiB5b3UgdGhp bmsgdGhhdCdzIG1vcmUgYXBwcm9wcmlhdGUuCj4gCj4gd3JpdGVjb21iaW5lZCB3YXMgdGhlIGlu dGVudCwgYW5kIHRoaXMgbWFrZXMga2VybmVsIHZtYXAgbWF0Y2ggdGhlCj4gdXNlcnNwYWNlIG1t YXAgcGF0aC4KClNpbmNlIEkgbWlzc2VkIHRoYXQgb2J2aW91c2x5OiBXaGVyZSBkbyB0aGUgc2ht ZW0gaGVscGVycyBzZXQgd3JpdGUKY29tYmluZWQgbW9kZSBmb3IgdXNlcnNwYWNlIG1tYXA/Ci1E YW5pZWwKCj4gCj4gUmV2aWV3ZWQtYnk6IEVyaWMgQW5ob2x0IDxlcmljQGFuaG9sdC5uZXQ+CgoK Cj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBkcmkt ZGV2ZWwgbWFpbGluZyBsaXN0Cj4gZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCgoK LS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUgRW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCmh0 dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2Ry aS1kZXZlbA==