From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 3/4] drm/i915/chv: Tune L3 SQC credits based on actual latencies Date: Tue, 26 Apr 2016 19:19:11 +0300 Message-ID: <20160426161911.GS4329@intel.com> References: <1461587888-5047-1-git-send-email-imre.deak@intel.com> <1461587888-5047-3-git-send-email-imre.deak@intel.com> <20160425131638.GA4329@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 0D1366E06B for ; Tue, 26 Apr 2016 16:19:15 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20160425131638.GA4329@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Imre Deak Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBBcHIgMjUsIDIwMTYgYXQgMDQ6MTY6MzhQTSArMDMwMCwgVmlsbGUgU3lyasOkbMOk IHdyb3RlOgo+IE9uIE1vbiwgQXByIDI1LCAyMDE2IGF0IDAzOjM4OjA3UE0gKzAzMDAsIEltcmUg RGVhayB3cm90ZToKPiA+IFdoaWxlIGJyb3dzaW5nIEJTcGVjIEkgYnVtcGVkIGludG8gYSBub3Rl IHNheWluZyB3ZSBuZWVkIHRvIHR1bmUgdGhlc2UKPiA+IHZhbHVlcyBiYXNlZCBvbiBhY3R1YWwg bWVhc3VyZW1lbnRzIGRvbmUgYWZ0ZXIgaW5pdGlhbCBlbmFibGluZy4gSSd2ZQo+ID4gY2hlY2tl ZCB0aGF0IGl0IGluZGVlZCBpbXByb3ZlcyB0aGluZ3Mgb24gQlhULiBJIGhhdmVuJ3QgY2hlY2tl ZCB0aGlzIG9uCj4gPiBDSFYsIGJ1dCBoZXJlIGl0IGlzIGlmIHNvbWVvbmUgd2FudHMgdG8gZ2l2 ZSBpdCBhIGdvLgo+ID4gCj4gPiBDQzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxp bnV4LmludGVsLmNvbT4KPiA+IFNpZ25lZC1vZmYtYnk6IEltcmUgRGVhayA8aW1yZS5kZWFrQGlu dGVsLmNvbT4KPiA+IC0tLQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgfCA0 MSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLQo+ID4gIDEgZmlsZSBj aGFuZ2VkLCAyOSBpbnNlcnRpb25zKCspLCAxMiBkZWxldGlvbnMoLSkKPiA+IAo+ID4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9wbS5jCj4gPiBpbmRleCBhOWI3NjI2Li5mY2ZkYjdmIDEwMDY0NAo+ID4gLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ID4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfcG0uYwo+ID4gQEAgLTY2NjksMTEgKzY2NjksMzIgQEAgc3RhdGljIHZv aWQgbHB0X3N1c3BlbmRfaHcoc3RydWN0IGRybV9kZXZpY2UgKmRldikKPiA+ICAJfQo+ID4gIH0K PiA+ICAKPiA+ICtzdGF0aWMgdm9pZCBnZW44X3NldF9sM3NxY19jcmVkaXRzKHN0cnVjdCBkcm1f aTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiA+ICsJCQkJICAgaW50IGdlbmVyYWxfcHJpb19jcmVk aXRzLAo+ID4gKwkJCQkgICBpbnQgaGlnaF9wcmlvX2NyZWRpdHMpCj4gPiArewo+ID4gKwl1MzIg bWlzY2NwY3RsOwo+ID4gKwo+ID4gKwltaXNjY3BjdGwgPSBJOTE1X1JFQUQoR0VON19NSVNDQ1BD VEwpOwo+ID4gKwlJOTE1X1dSSVRFKEdFTjdfTUlTQ0NQQ1RMLCBtaXNjY3BjdGwgJiB+R0VON19E T1BfQ0xPQ0tfR0FURV9FTkFCTEUpOwo+ID4gKwo+ID4gKwlJOTE1X1dSSVRFKEdFTjhfTDNTUUNS RUcxLAo+ID4gKwkJICAgTDNfR0VORVJBTF9QUklPX0NSRURJVFMoZ2VuZXJhbF9wcmlvX2NyZWRp dHMpIHwKPiA+ICsJCSAgIEwzX0hJR0hfUFJJT19DUkVESVRTKGhpZ2hfcHJpb19jcmVkaXRzKSk7 Cj4gPiArCj4gPiArCS8qCj4gPiArCSAqIFdhaXQgYXQgbGVhc3QgMTAwIGNsb2NrcyBiZWZvcmUg cmUtZW5hYmxpbmcgY2xvY2sgZ2F0aW5nLgo+ID4gKwkgKiBTZWUgdGhlIGRlZmluaXRpb24gb2Yg TDNTUUNSRUcxIGluIEJTcGVjLgo+ID4gKwkgKi8KPiA+ICsJUE9TVElOR19SRUFEKEdFTjhfTDNT UUNSRUcxKTsKPiA+ICsJdWRlbGF5KDEpOwo+ID4gKwlJOTE1X1dSSVRFKEdFTjdfTUlTQ0NQQ1RM LCBtaXNjY3BjdGwpOwo+ID4gK30KPiA+ICsKPiA+ICBzdGF0aWMgdm9pZCBicm9hZHdlbGxfaW5p dF9jbG9ja19nYXRpbmcoc3RydWN0IGRybV9kZXZpY2UgKmRldikKPiA+ICB7Cj4gPiAgCXN0cnVj dCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IGRldi0+ZGV2X3ByaXZhdGU7Cj4gPiAgCWVu dW0gcGlwZSBwaXBlOwo+ID4gLQl1aW50MzJfdCBtaXNjY3BjdGw7Cj4gPiAgCj4gPiAgCWlsa19p bml0X2xwX3dhdGVybWFya3MoZGV2KTsKPiA+ICAKPiA+IEBAIC02NzA4LDE3ICs2NzI5LDcgQEAg c3RhdGljIHZvaWQgYnJvYWR3ZWxsX2luaXRfY2xvY2tfZ2F0aW5nKHN0cnVjdCBkcm1fZGV2aWNl ICpkZXYpCj4gPiAgCSAqIFdhUHJvZ3JhbUwzU3FjUmVnMURlZmF1bHQ6YmR3Cj4gPiAgCSAqIFdh VGVtcERpc2FibGVET1BDbGtHYXRpbmc6YmR3Cj4gCj4gVGhlIHcvYSBub3RlIHNob3VsZCBiZSBt b3ZlZCBhcyB3ZWxsIHRoZW4uCj4gCj4gPiAgCSAqLwo+ID4gLQltaXNjY3BjdGwgPSBJOTE1X1JF QUQoR0VON19NSVNDQ1BDVEwpOwo+ID4gLQlJOTE1X1dSSVRFKEdFTjdfTUlTQ0NQQ1RMLCBtaXNj Y3BjdGwgJiB+R0VON19ET1BfQ0xPQ0tfR0FURV9FTkFCTEUpOwo+ID4gLQlJOTE1X1dSSVRFKEdF TjhfTDNTUUNSRUcxLCBMM19HRU5FUkFMX1BSSU9fQ1JFRElUUygzMCkgfAo+ID4gLQkJCQkgICBM M19ISUdIX1BSSU9fQ1JFRElUUygyKSk7Cj4gPiAtCS8qCj4gPiAtCSAqIFdhaXQgYXQgbGVhc3Qg MTAwIGNsb2NrcyBiZWZvcmUgcmUtZW5hYmxpbmcgY2xvY2sgZ2F0aW5nLiBTZWUKPiA+IC0JICog dGhlIGRlZmluaXRpb24gb2YgTDNTUUNSRUcxIGluIEJTcGVjLgo+ID4gLQkgKi8KPiA+IC0JUE9T VElOR19SRUFEKEdFTjhfTDNTUUNSRUcxKTsKPiA+IC0JdWRlbGF5KDEpOwo+ID4gLQlJOTE1X1dS SVRFKEdFTjdfTUlTQ0NQQ1RMLCBtaXNjY3BjdGwpOwo+ID4gKwlnZW44X3NldF9sM3NxY19jcmVk aXRzKGRldl9wcml2LCAzMCwgMik7Cj4gPiAgCj4gPiAgCS8qCj4gPiAgCSAqIFdhR3R0Q2FjaGlu Z09mZkJ5RGVmYXVsdDpiZHcKPiA+IEBAIC02OTg5LDYgKzcwMDAsMTIgQEAgc3RhdGljIHZvaWQg Y2hlcnJ5dmlld19pbml0X2Nsb2NrX2dhdGluZyhzdHJ1Y3QgZHJtX2RldmljZSAqZGV2KQo+ID4g IAkJICAgR0VOOF9TREVVTklUX0NMT0NLX0dBVEVfRElTQUJMRSk7Cj4gPiAgCj4gPiAgCS8qCj4g PiArCSAqIEFkanVzdCBjcmVkaXRzIGJhc2VkIG9uIGFjdHVhbCBsYXRlbmNpZXMsIHNlZSBCU3Bl YyBMU1FDIFNldHRpbmcKPiA+ICsJICogUmVjb21tZW5kYXRpb25zLgo+ID4gKwkgKi8KPiA+ICsJ Z2VuOF9zZXRfbDNzcWNfY3JlZGl0cyhkZXZfcHJpdiwgMzgsIDIpOwo+IAo+IFdoZXJlIGV4YWN0 bHkgaW4gQnNwZWMgaXMgdGhpcz8gTGFzdCBJIGxvb2tlZCBDSFYgd2FzIHN1cHBvc2VkIHRvIGJl Cj4gZmluZSB3aXRoIHRoZSBkZWZhdWx0cy4KCk9LLCBzbyB0aGUgdGFibGUgb2YgcmVjb21tZW5k ZWQgdmFsdWVzIGlzIGluIHRoZSAicGVyZm9ybWFuY2UgZ3VpZGUiLgpJIGRvbid0IGFjdHVhbGx5 IGtub3cgd2hlcmUgdGhlIGNodiBudW1iZXJzIGNhbWUgZnJvbSBzaW5jZSB0aGVyZSdzIG5vCncv YSBmb3IgdGhpcywgbm9yIGNvdWxkIEkgZmluZCBhIHJlbGF0ZWQgaHNkIHdpdGggYW55IG51bWJl cnMuCgpBbnl3YXksIHVzaW5nIHRoZXNlIHZhbHVlcyBIYXJyaSdzIG1lbWJ3dGVzdGVyIHRleHR1 cmluZyBtaWNybyBiZW5jaG1hcmsKZ2FpbmVkID4xMCUgd2hpY2ggc2VlbXMgbmljZS4gVGhlIG90 aGVyIG51bWJlcnMgc2VlbWVkIHVuY2hhbmdlZC4gSSBhbHNvCnJhbiB4b25vdGljIFsxXSBidXQg ZGlkbid0IHNlZSBhbnkgc2lnbmlmaWNhbnQgY2hhbmdlcyBpbiBwZXJmb3JtYW5jZS4KClNvIGJh c2VkIG9uIHRoYXQgSSdtIGZpbmUgd2l0aCBhZGp1c3RpbmcgdGhpcyBvbiBDSFYuCgpbMV0gRmly c3QgSSBnb3QgY3JhcCByZXN1bHRzLCBidXQgdGhhdCB0dXJuZWQgb3V0IHRvIGJlIHRoZSBDUFUK ICAgIHNpZGUgbWFraW5nIGEgbWVzcyBvZiB0aGluZ3MuIFNvIGl0IHNlZW1zIHdlJ3JlIGJhY2sg dG8gaGF2aW5nCiAgICB0byB1c2UgdGFza3NldCB0byBwaW4gdGhlIHByb2Nlc3MgdG8gb25lIGNv cmUgb24gY2h2IDooCgo+IAo+ID4gKwo+ID4gKwkvKgo+ID4gIAkgKiBHVFQgY2FjaGUgbWF5IG5v dCB3b3JrIHdpdGggYmlnIHBhZ2VzLCBzbyBpZiB0aG9zZQo+ID4gIAkgKiBhcmUgZXZlciBlbmFi bGVkIEdUVCBjYWNoZSBtYXkgbmVlZCB0byBiZSBkaXNhYmxlZC4KPiA+ICAJICovCj4gPiAtLSAK PiA+IDIuNS4wCj4gCj4gLS0gCj4gVmlsbGUgU3lyasOkbMOkCj4gSW50ZWwgT1RDCj4gX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1nZnggbWFp bGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4CgotLSAKVmlsbGUg U3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK