From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915/gtt: Trust the uncached store to flush wcb Date: Fri, 11 May 2018 16:23:14 +0300 Message-ID: <87bmdm9vi5.fsf@gaia.fi.intel.com> References: <20180508120313.8308-1-mika.kuoppala@linux.intel.com> <152578120150.24602.16670880505366229154@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3FB7F6F13C for ; Fri, 11 May 2018 13:23:19 +0000 (UTC) In-Reply-To: <152578120150.24602.16670880505366229154@mail.alporthouse.com> 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 Cc: Matthew Auld List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gUXVvdGlu ZyBNaWthIEt1b3BwYWxhICgyMDE4LTA1LTA4IDEzOjAzOjEzKQo+PiBOb3QgYWxsIGFyY2hpdGVj dHVyZXMgZ3VhcmFudGVlIHRoYXQgdW5jYWNoZWQgcmVhZCB3aWxsCj4+IGZsdXNoIHRoZSB3cml0 ZSBjb21iaW5pbmcgYnVmZmVyLiBTbyBtYXJraW5nIGl0IGV4cGxpY2l0bHkKPj4gaXMgcmVjb21t ZW5kZWQgWzFdLgo+PiAKPj4gSG93ZXZlciB3ZSBrbm93IHRoZSBhcmNoaXRlY3R1cmUgd2UgYXJl IG9wZXJhdGluZyBvbgo+PiBhbmQgY2FuIGF2b2lkIHdtYiBhcyB0aGUgVUMgc3RvcmUgd2lsbCBm bHVzaCB0aGUgd2NiIFsyXS4KPj4gCj4+IE9taXQgdGhlIHdtYigpIGJlZm9yZSBpbnZhbGlkYXRl IGFzIHJlZHVkYW50Lgo+PiAKPj4gdjI6IHNxdWFzaCBjb21iaW5pbmcgYW5kIHJlbW92YWwgKENo cmlzKQo+PiAKPj4gUmVmZXJlbmNlczogaHR0cDovL3lhcmNoaXZlLm5ldC9jb21wL2xpbnV4L3dy aXRlX2NvbWJpbmluZy5odG1sIFsxXQo+PiBSZWZlcmVuY2VzOiBodHRwOi8vZG93bmxvYWQuaW50 ZWwuY29tL2Rlc2lnbi9QZW50aXVtSUkvYXBwbG5vdHMvMjQ0NDIyMDEucGRmIFsyXQo+PiBDYzog Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+IENjOiBNYXR0aGV3IEF1 bGQgPG1hdHRoZXcuYXVsZEBpbnRlbC5jb20+Cj4+IFNpZ25lZC1vZmYtYnk6IE1pa2EgS3VvcHBh bGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29tPgo+PiBSZXZpZXdlZC1ieTogQ2hyaXMg V2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+IC0tLQo+PiAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMgfCA2ICsrLS0tLQo+PiAgMSBmaWxlIGNoYW5nZWQsIDIg aW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPj4gCj4+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf Z2VtX2d0dC5jCj4+IGluZGV4IGM4NzliZmQ5Mjk0Zi4uMjEyNjM1ODc2MWE1IDEwMDY0NAo+PiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYwo+PiArKysgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYwo+PiBAQCAtMTEwLDcgKzExMCw4IEBAIGk5MTVf Z2V0X2dndHRfdm1hX3BhZ2VzKHN0cnVjdCBpOTE1X3ZtYSAqdm1hKTsKPj4gIAo+PiAgc3RhdGlj IHZvaWQgZ2VuNl9nZ3R0X2ludmFsaWRhdGUoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9w cml2KQo+PiAgewo+PiAtICAgICAgIC8qIE5vdGUgdGhhdCBhcyBhbiB1bmNhY2hlZCBtbWlvIHdy aXRlLCB0aGlzIHNob3VsZCBmbHVzaCB0aGUKPj4gKyAgICAgICAvKgo+PiArICAgICAgICAqIE5v dGUgdGhhdCBhcyBhbiB1bmNhY2hlZCBtbWlvIHdyaXRlLCB0aGlzIHdpbGwgZmx1c2ggdGhlCj4+ ICAgICAgICAgICogV0NCIG9mIHRoZSB3cml0ZXMgaW50byB0aGUgR0dUVCBiZWZvcmUgaXQgdHJp Z2dlcnMgdGhlIGludmFsaWRhdGUuCj4+ICAgICAgICAgICovCj4+ICAgICAgICAgSTkxNV9XUklU RShHRlhfRkxTSF9DTlRMX0dFTjYsIEdGWF9GTFNIX0NOVExfRU4pOwo+PiBAQCAtMjQxOCw4ICsy NDE5LDYgQEAgc3RhdGljIHZvaWQgZ2VuOF9nZ3R0X2luc2VydF9lbnRyaWVzKHN0cnVjdCBpOTE1 X2FkZHJlc3Nfc3BhY2UgKnZtLAo+PiAgICAgICAgIGZvcl9lYWNoX3NndF9kbWEoYWRkciwgc2d0 X2l0ZXIsIHZtYS0+cGFnZXMpCj4+ICAgICAgICAgICAgICAgICBnZW44X3NldF9wdGUoZ3R0X2Vu dHJpZXMrKywgcHRlX2VuY29kZSB8IGFkZHIpOwo+PiAgCj4+IC0gICAgICAgd21iKCk7Cj4+IC0K Pj4gICAgICAgICAvKiBUaGlzIG5leHQgYml0IG1ha2VzIHRoZSBhYm92ZSBwb3N0aW5nIHJlYWQg ZXZlbiBtb3JlIGltcG9ydGFudC4gV2UKPgo+IFllYWgsIHdlIHNob3VsZCByZXdyaXRlIHRoaXMg Y29tbWVudCBhcyB3ZWxsOyBqdXN0IHNraXAgdGhlIGZpcnN0Cj4gb2Jzb2xldGUgc2VudGVuY2Uu Cgp2MyBwdXNoZWQuIFRoYW5rcyBmb3IgcmV2aWV3LgoKLU1pa2EKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==