From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Fyodorov Subject: Re: r600_dma_ring_test() failed - synchronization problem with write-combining memory Date: Thu, 09 Oct 2014 22:15:54 +0400 Message-ID: <184311412878554@web13o.yandex.ru> References: <3692931412854762@web24j.yandex.ru> <5436C8EA.4010200@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from forward4o.mail.yandex.net (forward4o.mail.yandex.net [37.140.190.33]) by gabe.freedesktop.org (Postfix) with ESMTP id B67F06E3B6 for ; Thu, 9 Oct 2014 11:22:58 -0700 (PDT) In-Reply-To: <5436C8EA.4010200@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "airlied@linux.ie" , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org MDkuMTAuMjAxNCwgMjE6NDIsICJDaHJpc3RpYW4gS8O2bmlnIiA8Y2hyaXN0aWFuLmtvZW5pZ0Bh bWQuY29tPjoKPiBIaSBBbGV4YW5kZXIsCj4KPiBpbiB0aGUgcmluZyB0ZXN0IHdlIHdyaXRlIHRo ZSB2YWx1ZSAweERFQURCRUVGIGFuZCAweENBRkVERUFEIGludG8KPiByZWdpc3RlcnMsIG5vdCBW UkFNLgo+Cj4gQW5kIHRoZSByZWdpc3RlciBiYXIgc2hvdWxkbid0IGJlIGFjY2Vzc2VkIHdyaXRl IGNvbWJpbmVkLCBjYXVzZSB0aGF0Cj4gY291bGQgbGVhZCB0byBhIGNvdXBsZSBvZiBvcmRlcmlu ZyBwcm9ibGVtcy4gV2h5IGRvIHlvdSB0aGluayB0aGUgYWNjZXNzCj4gaXMgZG9uZSB3cml0ZSBj b21iaW5lZD8KCkJlY2F1c2UgdGhlcmUgaXMgdGhpcyBjb2RlIGluIHI2MDBfZG1hX3JpbmdfdGVz dCgpOgogIHZvaWQgX19pb21lbSAqcHRyID0gKHZvaWQgKilyZGV2LT52cmFtX3NjcmF0Y2gucHRy OwoKQW5kIHZyYW1fc2NyYXRjaCBpcyBhbGxvY2F0ZWQgaW4gcjYwMF92cmFtX3NjcmF0Y2hfaW5p dCgpIHdpdGggZG9tYWluIFJBREVPTl9HRU1fRE9NQUlOX1ZSQU0gd2hpY2ggaW1wbGllcyB3cml0 ZS1jb21iaW5pbmcuIEkgYXNzdW1lZCB0aGF0IHRoaXMgbWVhbnMgaXQgcG9pbnRzIHRvIHRoZSB2 aWRlbyBtZW1vcnkuCgpBbHNvIHdoZW4gSSBsb29rIGF0IHBhZ2UgdGFibGUgYXR0cmlidXRlcyBJ IGNhbiBzZWUgdGhhdCBpdCBpcyBpbmRlZWQgbWFwcGVkIGFzIHdyaXRlLWNvbWJpbmluZy4gSW4g dGhpcyB0ZXN0IG9ubHkgInJkZXYtPnJtbWlvIiBhcmVhIHdhcyBtYXBwZWQgYXMgVUMgKHRoZSBv bmUgd2hlcmUgcmFkZW9uX3JpbmdfY29tbWl0KCkgd3JpdGVzIHRvIHRvIHN0YXJ0IHRoZSBleGVj dXRpb24pLgoKPiBGb3IgVlJBTSBpdCBpcyB0cnVlIHRoYXQgd2UgaGF2ZSBhIGNvdXBsZSBvZiBk aWZmZXJlbnQgY2FjaGVzIGJldHdlZW4KPiB0aGUgQ1BVIGFuZCB0aGUgYWN0dWFsbHkgbWVtb3J5 LCB3aGljaCBuZWVkIHRvIGJlIGZsdXNoZWQgZXhwbGljaXRseSBpZgo+IHlvdSB3YW50IHRvIHNl ZSBhIHZhbHVlIHdyaXR0ZW4gYnkgdGhlIEdQVS4KClRoZW4gbWF5YmUgc3VjaCBhIGZsdXNoIGlz IHdoYXQgSSBuZWVkLiBIb3cgZG8gSSBwdXQgaXQgaW4gdGhlIGluc3RydWN0aW9uIHJpbmcgYnVm ZmVyPwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmkt ZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=