From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: Re: [PATCH 02/21] drm/i915/gtt: Workaround for HW preload not flushing pdps Date: Thu, 13 Aug 2015 13:03:30 +0100 Message-ID: <55CC8792.4040406@intel.com> References: <1432314314-23530-1-git-send-email-mika.kuoppala@intel.com> <1432314314-23530-3-git-send-email-mika.kuoppala@intel.com> <556847E6.2050801@intel.com> <55686141.9090107@intel.com> <55782292.90507@intel.com> <55793938.7000603@intel.com> <87616ufiuh.fsf@gaia.fi.intel.com> <20150811050514.GA14192@zlv-hp-dev> <55CAFC41.2050806@intel.com> <20150813090820.GA29589@zlv-hp-dev> <55CC6D96.4080902@intel.com> <55CC82AA.4070507@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 7D1FF6E373 for ; Thu, 13 Aug 2015 05:04:17 -0700 (PDT) In-Reply-To: <55CC82AA.4070507@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gMTMvMDgvMTUgMTI6NDIsIERhdmUgR29yZG9uIHdyb3RlOgo+IE9uIDEzLzA4LzE1IDExOjEy LCBNaWNoZWwgVGhpZXJyeSB3cm90ZToKPj4gT24gOC8xMy8yMDE1IDU6MDggUE0sIFpoaXl1YW4g THYgd3JvdGU6Cj4+PiBIaSBNaWNoZWwsCj4+Pgo+Pj4gVGhhbmtzIGZvciB0aGUgcmVwbHkhCj4+ Pgo+Pj4gSSB5ZXQgaGF2ZSBhbm90aGVyIHF1ZXN0aW9uOiByaWdodCBub3cgdGhlIG1hcmtfdGxi X2RpcnR5KCkgd2lsbCBiZQo+Pj4gY2FsbGVkIGlmIGFueSBsZXZlbCBvZiBQUEdUVCB0YWJsZSBp cyBjaGFuZ2VkLiBCdXQgZm9yIHRoZSBFWEVDTElTVAo+Pj4gY29udGV4dCBzdWJtaXNzaW9uLCB3 ZSBvbmx5IG5lZWQgTFJJIGNvbW1hbmRzIGlmIHRoZXJlIGFyZSBMMyBQRFAgcm9vdAo+Pj4gcG9p bnRlciBjaGFuZ2VzIHJpZ2h0PyBUaGFua3MhCj4+Cj4+IG1hcmtfdGxic19kaXJ0eSBpcyBub3Qg b25seSBmb3IgZXhlY2xpc3RzIG1vZGUsIHdlIHJlLXVzZWQgaXQgc2luY2UgaXQKPj4gd2FzIGFs cmVhZHkgdGhlcmUuCj4+Cj4+IFRoZSB1cGRhdGUgaXMgb25seSByZXF1aXJlZCB3aGVuIGEgUERQ IGlzIGFsbG9jYXRlZC4KPj4KPj4gLU1pY2hlbAo+Cj4gRG9lc24ndCB0aGF0IGRlcGVuZCBvbiB3 aGV0aGVyIHRoZSBjb250ZXh0IGlzIHJ1bm5pbmc/IFRoZSBMUkkgcmVsb2FkCj4gaGFzIHRoZSBz aWRlIGVmZmVjdCBvZiBmbHVzaGluZyBhbGwgY3VycmVudCBrbm93bGVkZ2Ugb2YgbWFwcGluZ3Ms IHNvCj4gZXZlcnkgbGV2ZWwgb2YgUEQgZ2V0cyByZWZyZXNoZWQgZnJvbSBtZW1vcnkuCj4KPiBJ ZiB3ZSdyZSBub3QgdXBkYXRpbmcgdGhlIHRvcCBsZXZlbCBQRFBzLCBhbmQgd2Uga25vdyB0aGUg Y29udGV4dCBpc24ndAo+IGFjdGl2ZSwgdGhlbiB3ZSAqYXNzdW1lKiB0aGF0IGxvd2VyLWxldmVs IFBEcyB3aWxsIGJlIHJlZnJlc2hlZCB3aGVuIHRoZQo+IGNvbnRleHQgaXMgbmV4dCBsb2FkZWQu IChUaGlzIGhhc24ndCBiZWVuIHRydWUgb24gYWxsIGhhcmR3YXJlLCBzb21lIG9mCj4gd2hpY2gg Y2FjaGVkIHByZXZpb3VzbHktcmV0cmlldmVkIFBEcyBhY3Jvc3MgY3R4IHNhdmUtYW5kLXJlbG9h ZCwgYW5kCj4gdGhhdCdzIG9uZSByZWFzb24gd2h5IHRoZXJlJ3MgYSAiRm9yY2UgUEQgUmVzdG9y ZSIgYml0LCBidXQgd2UndmUgYmVlbgo+IHRvbGQgbm90IHRvIHVzZSBpdCBvbiBjdXJyZW50IGgv dykuIEFGQUlDVCwgY3VycmVudCBjaGlwcyBkb24ndCBjYWNoZQo+IHByZXZpb3VzIFBEcyBhbmQg ZG9uJ3QgbmVlZCB0aGUgIkZvcmNlIiBiaXQgZm9yIHRoaXMgY2FzZS4KPgo+IE9UT0gsIGlmIHdl IGRvbid0IGtub3cgd2hldGhlciB0aGUgY29udGV4dCBpcyBydW5uaW5nLCB0aGVuIHdlIGNhbid0 IGJlCj4gc3VyZSB3aGVuIChvciB3aGV0aGVyKSBhbnkgUEQgdXBkYXRlcyB3aWxsIGJlIHNlZW4u IEFzIGxvbmcgYXMgdGhlCj4gY2hhbmdlcyBvZiBpbnRlcmVzdCBhcmUgb25seSBldmVyICpmcm9t KiBOVUxMICp0byogbm9uLU5VTEwsIHdlICpleHBlY3QqCj4gaXQgdG8gd29yaywgYmVjYXVzZSAo d2UgKmFzc3VtZSopIHRoZSBHUFUgd29uJ3QgY2FjaGUgbmVnYXRpdmUgcmVzdWx0cwo+IGZyb20g UEQgbG9va3Vwczsgc28gYW55IGxvb2t1cCB0aGF0IHByZXZpb3VzbHkgaGl0IGFuIGludmFsaWQg bWFwcGluZwo+IHdpbGwgYmUgcmUtZmV0Y2hlZCBuZXh0IHRpbWUgaXQncyByZXF1aXJlZCAoYW5k IG1heSBub3cgYmUgZ29vZCkuCj4KPiBJZiB3ZSBkb24ndCByZWxvYWQgdGhlIFBEUHMgd2l0aCBM UklzLCB0aGVuIHBlcmhhcHMgdG8gYmUgc2FmZSB3ZSBuZWVkCj4gdG8gaW5qZWN0IHNvbWUgb3Ro ZXIgaW5zdHJ1Y3Rpb24gdGhhdCB3aWxsIGp1c3QgZm9yY2UgYSByZS1mZXRjaCBvZiB0aGUKPiBs b3dlci1sZXZlbCBQRHMgZnJvbSBtZW1vcnksIHdpdGhvdXQgYWx0ZXJpbmcgYW55IHRvcC1sZXZl bCBQRFBzPyBJbgo+IGNvbmp1bmN0aW9uIHdpdGggcHJlYWxsb2NhdGluZyB0aGUgdG9wLWxldmVs IGVudHJpZXMsIHRoYXQgb3VnaHQgdG8KPiBndWFyYW50ZWUgdGhhdCB0aGUgdXBkYXRlcyB3b3Vs ZCBiZSBzZWVuIGp1c3QgYmVmb3JlIHRoZSBwb2ludCB3aGVyZQo+IHRoZXkncmUgYWJvdXQgdG8g YmUgdXNlZD8KPgo+IC5EYXZlLgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4CgpJIGZvdW5kIHRoZSBmb2xsb3dpbmcgY29tbWVudCBpbiB0aGUgQlNw ZWM6CgoiUHJlLWxvYWRpbmcgb2YgUGFnZSBEaXJlY3RvcnkgRW50cmllcyAoUEQgbG9hZCkgZm9y IDMyYiBsZWdhY3kgbW9kZSBpcyAKbm90IHN1cHBvcnRlZCBmcm9tIEdlbjkgb253YXJkcy4gIFBE IGVudHJpZXMgYXJlIGxvYWRlZCBvbiBkZW1hbmQgd2hlbiAKdGhlcmUgaXMgYSBtaXNzIGluIHRo ZSBQREUgY2FjaGUgb2YgdGhlIGNvcnJlc3BvbmRpbmcgcGFnZSB3YWxrZXIuICBBbnkgCm5ldyBw YWdlIGFkZGl0aW9ucyBieSB0aGUgZHJpdmVyIGFyZSB0cmFuc3BhcmVudCB0byB0aGUgSFcsIGFu ZCB0aGUgbmV3IApwYWdlIHRyYW5zbGF0aW9ucyB3aWxsIGJlIGZldGNoZWQgb24gZGVtYW5kLiAg SG93ZXZlciwgYW55IHJlbW92YWwgb2YgCnRoZSBwYWdlcyBieSB0aGUgZHJpdmVyIHNob3VsZCBp bml0aWF0ZSBhIFRMQiBpbnZhbGlkYXRpb24gdG8gcmVtb3ZlIHRoZSAKc3RhbGUgZW50cmllcy4i CgpTbywgSSB0aGluayB0aGF0IGNvbmZpcm1zIHRoYXQgd2Ugc2hvdWxkIGluamVjdCBzb21lIGZv cm0gb2YgVExCIAppbnZhbGlkYXRpb24gaW50byB0aGUgcmluZyBiZWZvcmUgdGhlIG5leHQgYmF0 Y2ggdXNlcyBhbnkgdXBkYXRlZCBQRHMuIApQcmVzdW1hYmx5IGFuIE1JX0ZMVVNIX0RXIHdpdGgg VExCX0lOVkFMSURBVEUgd291bGQgZG8/CgouRGF2ZS4KX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK