From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paulo Zanoni Subject: Re: [PATCH v4 4/8] drm/i915/gen9: WM memory bandwidth related workaround Date: Wed, 16 Nov 2016 10:36:01 -0200 Message-ID: <1479299761.2382.5.camel@intel.com> References: <20161013105826.9710-1-mahesh1.kumar@intel.com> <20161013105826.9710-5-mahesh1.kumar@intel.com> <1478279344.2535.151.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 685BC6E691 for ; Wed, 16 Nov 2016 12:36:05 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Mahesh Kumar , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RW0gUXVpLCAyMDE2LTExLTEwIMOgcyAxMToyNCArMDUzMCwgTWFoZXNoIEt1bWFyIGVzY3JldmV1 Ogo+IEhpLAo+IAo+IAo+IAoocmVtb3ZlZCBhIGJ1bmNoIG9mIHN0dWZmIGhlcmUpCgo+ID4gCj4g PiA+wqAKPiA+IAo+ID4gCj4gPiA+IAo+ID4gPiArCWJvb2wgeV90aWxlX2VuYWJsZWQgPSBmYWxz ZTsKPiA+ID4gKwo+ID4gaWYgKCFwbGF0Zm9ybXNfdGhhdF9yZXF1aXJlX3RoZV93YSkgewo+ID4g CXdhID0gV0FURVJNQVJLX1dBX05PTkU7Cj4gPiAJcmV0dXJuOwo+ID4gfQo+IHRoaXMgZnVuY3Rp b24gaXMgbm90IGNhbGxlZCBieSBhbnkgR0VOIG90aGVyIHRoYW4gR0VOOSwgd2lsbCBpdCBiZSBv awo+IHRvwqAKPiBhZGQgImlmICghR0VOOSkiIGNoZWNrPwoKV2VsbCwgdGhlcmUncyBHZW1uaWxh a2Ugc3VwcG9ydCBmbG9hdGluZyBhcm91bmQgdGhlIG1haWxpbmcgbGlzdCBub3cuLi4KCj4gPiAK PiA+ID4gCj4gPiA+ICsJaWYgKCFtZW1kZXZfaW5mby0+dmFsaWQpCj4gPiA+ICsJCWdvdG8gZXhp dDsKPiA+IE91ciBkZWZhdWx0IGJlaGF2aW9yIHNob3VsZCBiZSB0byBhcHBseSB0aGUgV0EgdGhl biBpbiBkb3VidCwgbm90Cj4gPiB0byBhdm9pZCBpdCwgc28gdGhlIHJldHVybiB2YWx1ZSBoZXJl IGFuZCBpbiB0aGUgb3RoZXIgZXJyb3IgY2FzZXMKPiA+IHNob3VsZCBiZSBXQVRFUkFNQVJLX1dB X1lfVElMRUQuCj4gPiAKPiA+IEFsc28sIHlvdSBjYW4gYXZvaWQgdGhlIGdvdG9zIGJ5IGp1c3Qg c2V0dGluZyBtZW1fd2EgYXQgdGhlCj4gPiBiZWdpbm5pbmcKPiA+IG9mIHRoZSBmdW5jdGlvbiwg dGhlbiB5b3UgY2FuIGp1c3QgInJldHVybiIgbGF0ZXIgaW5zdGVhZCBvZiBnb3RvLgo+ID4gCj4g PiAKPiA+ID4gCj4gPiA+ICsKPiA+ID4gKwlzeXN0ZW1fYncgPSBtZW1kZXZfaW5mby0+bWVtX3Nw ZWVkX2toeiAqIG1lbWRldl9pbmZvLQo+ID4gPiA+IAo+ID4gPiA+IG51bV9jaGFubmVscyAqCj4g PiA+ICsJCQkJbWVtZGV2X2luZm8tCj4gPiA+ID5jaGFubmVsX3dpZHRoX2J5dGVzOwo+ID4gPiAr Cj4gPiA+ICsJaWYgKCFzeXN0ZW1fYncpCj4gPiA+ICsJCWdvdG8gZXhpdDsKPiA+IFRoaXMgc2hv dWxkbid0IGJlIHBvc3NpYmxlLiBPdGhlcndpc2UsIHRoZSBwcmV2aW91cyBwYXRjaCBuZWVkcyB0 bwo+ID4gYmUKPiA+IGZpeGVkIGluIGEgd2F5IHRvIG5vdCBhbGxvdyBzeXN0ZW1fYncgdG8gZW5k IHVwIGFzIHplcm8uIFBsZWFzZQo+ID4gZWl0aGVyCj4gPiByZW1vdmUgdGhlIGNoZWNrIG9yIGNo YW5nZSB0byAiaWYgKFdBUk5fT04oIXN5c3RlbV9idykpIi4KPiB5ZXMsIGlkZWFsbHkgdGhpcyBz aG91bGQgbm90IGJlIHBvc3NpYmxlLCBidXQgd2hhdCBpZiBiZWNhdXNlIG9mIGFuecKgCj4gcmVh c29uIEJJT1MgaXMgbm90IHdyaXRpbmcgdGhlIHJlZ2lzdGVyIE9SIHdlIGRvbid0IGhhdmUgQklP Uwo+IGFsdG9nZXRoZXI/CgpUaGVuIHRoZSBwcmV2aW91cyBwYXRjaCBzaG91bGQgYmUgYWJsZSB0 byBkZWFsIHdpdGggaXQsIGFuZCBsZWF2ZSB1cwp3aXRoIG1lbWRldl9pbmZvLT52YWxpZD1mYWxz ZS4KCgo+IAo+IElmIHdlIGFkZCBXQVJOX09OIGhlcmUsIGl0J2xsIGZsb29kIHRoZSBsb2dzLCB3 ZSBjYW4gYWRkCj4gV0FSTl9PTl9PTkNFLMKgCj4gYnV0IHdlIGFyZSBhbnl3YXkgcHJpbnRpbmcg dGhlIHdhcm5pbmcgaW4gcHJldmlvdXMgcGF0Y2gsIGlmCj4gZnJlcXVlbmN5wqAKPiBvciBhbnkg b3RoZXIgdmFyaWFibGUgY2FsY3VsYXRlZCBpcyBaRVJPLCBJTU8gd2lsbCBhZGQgbW9yZSBwcmlu dHMKPiBpbsKgCj4gcHJldmlvdXMgcGF0Y2ggaW5zdGVhZCBvZiBhZGRpbmcgaGVyZS4KClVzdWFs bHkgd2UgYWRkIFdBUk5zIHdoZW4gd2UgZXhwZWN0IHRoZW0gdG8gbmV2ZXIgZXZlciBiZSB0cmln Z2VyZWQuIFNvCmluc3RlYWQgb2YgbWFraW5nIGl0IFdBUk5fT05fT05DRSwgd2Ugc2hvdWxkIG1h a2Ugc3VyZSB0aGUgY29uZGl0aW9uIGlzCm5ldmVyIG1ldDogaWYgdGhlIG1lbW9yeSBpbmZvIGlz IGJhZCwgc2V0IG1lbWRldl9pbmZvLT52YWxpZCB0byBmYWxzZS4KCgpUaGFua3MsClBhdWxvCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=