From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH 1/2] x86/gpu: reserve ICL's graphics stolen memory Date: Mon, 18 Jun 2018 10:47:21 -0700 Message-ID: <20180618174721.GC2236@intel.com> References: <20180503002352.11951-1-paulo.r.zanoni@intel.com> <20180504203252.28048-1-paulo.r.zanoni@intel.com> <152568281673.4929.8527287724144901266@moflaher-mobl.ger.corp.intel.com> <1527889491.2503.9.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id C28306E0E1 for ; Mon, 18 Jun 2018 17:47:22 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1527889491.2503.9.camel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Paulo Zanoni , Thomas Gleixner , Ingo Molnar Cc: x86@kernel.org, intel-gfx@lists.freedesktop.org, stable@vger.kernel.org, "H . Peter Anvin" , Ingo Molnar List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKdW4gMDEsIDIwMTggYXQgMDI6NDQ6NTFQTSAtMDcwMCwgUGF1bG8gWmFub25pIHdy b3RlOgo+IEVtIFNlZywgMjAxOC0wNS0wNyDDoHMgMTE6NDYgKzAzMDAsIEpvb25hcyBMYWh0aW5l biBlc2NyZXZldToKPiA+IEluZ28sIGRvIHlvdSBwcmVmZXIgdG8gbWVyZ2UgdGhyb3VnaCBvdXIg dHJlZSB3aXRoIHlvdXIgYWNrPwo+IAo+IFBpbmc/Cj4gCj4gPiAKPiA+IFF1b3RpbmcgUGF1bG8g WmFub25pICgyMDE4LTA1LTA0IDIzOjMyOjUxKQo+ID4gPiBJQ0wgY2hhbmdlcyB0aGUgcmVnaXN0 ZXJzIGFuZCBhZGRyZXNzZXMgdG8gNjQgYml0cy4KPiA+ID4gCj4gPiA+IEkgYWxzbyBicmllZmx5 IGxvb2tlZCBhdCBpbXBsZW1lbnRpbmcgYW4gdTY0IHZlcnNpb24gb2YgdGhlIFBDSQo+ID4gPiBj b25maWcKPiA+ID4gcmVhZCBmdW5jdGlvbnMsIGJ1dCBJIGNvbmNsdWRlZCB0aGlzIHdvdWxkbid0 IGJlIHRyaXZpYWwsIHNvIGl0J3MKPiA+ID4gbm90Cj4gPiA+IHdvcnRoIGRvaW5nIGl0IGZvciBh IHNpbmdsZSB1c2VyIHRoYXQgY2FuJ3QgaGF2ZSBhbnkgcmFjaW5nCj4gPiA+IHByb2JsZW1zCj4g PiA+IHdoaWxlIHJlYWRpbmcgdGhlIHJlZ2lzdGVyIGluIHR3byBzZXBhcmF0ZSBvcGVyYXRpb25z Lgo+ID4gPiAKPiA+ID4gdjI6Cj4gPiA+ICAtIFNjcnViIHRoZSBkZXZlbG9wbWVudCAobm9uLXB1 YmxpYykgY2hhbmdlbG9nIChKb29uYXMpLgo+ID4gPiAgLSBSZW1vdmUgdGhlIGk5MTUua28gYml0 cyBzbyB0aGlzIGNhbiBiZSBlYXNpbHkgYmFja3BvcnRlZCBpbgo+ID4gPiBvcmRlcgo+ID4gPiAg ICB0byBwcm9wZXJseSBhdm9pZCBzdG9sZW4gbWVtb3J5IGV2ZW4gb24gbWFjaGluZXMgd2l0aG91 dCBpOTE1LmtvCj4gPiA+ICAgIChKb29uYXMpLgo+ID4gPiAgLSBDQyBzdGFibGUgZm9yIHRoZSBy ZWFzb25zIGFib3ZlLgo+ID4gPiAKPiA+ID4gSXNzdWU6IFZJWi05MjUwCj4gPiAKPiA+IEZpeGVz OiA0MTIzMTAwMTlhMjAgKCJkcm0vaTkxNS9pY2w6IEFkZCBpbml0aWFsIEljZWxha2UKPiA+IGRl ZmluaXRpb25zLiIpCj4gPiAKPiA+ID4gQ0M6IHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmcKPiA+IAo+ ID4gVGhpcyBzaG91bGQgbm90IGJlIG5lZWRlZCwgaXQgd2FzIGludHJvZHVjZWQgaW4gdjQuMTct cmMxIG9ubHkuCj4gPiAKPiA+IFJldmlld2VkLWJ5OiBKb29uYXMgTGFodGluZW4gPGpvb25hcy5s YWh0aW5lbkBsaW51eC5pbnRlbC5jb20+Cj4gPiAKPiA+IFJlZ2FyZHMsIEpvb25hcwo+ID4KCkNj OiBUaG9tYXMgR2xlaXhuZXIgPHRnbHhAbGludXRyb25peC5kZT4KPiA+ID4gQ2M6IEluZ28gTW9s bmFyIDxtaW5nb0BrZXJuZWwub3JnPgo+ID4gPiBDYzogSC4gUGV0ZXIgQW52aW4gPGhwYUB6eXRv ci5jb20+Cj4gPiA+IENjOiB4ODZAa2VybmVsLm9yZwoKZ3V5cywgY291bGQgd2UgcHVzaCB0aGlz IHRocm91Z2ggZHJtLWludGVsPyBhY2s/Cm5hY2s/IGNvbW1lbnRzPwoKPiA+ID4gQ2M6IERhbmll bGUgQ2VyYW9sbyBTcHVyaW8gPGRhbmllbGUuY2VyYW9sb3NwdXJpb0BpbnRlbC5jb20+Cj4gPiA+ IENjOiBKb29uYXMgTGFodGluZW4gPGpvb25hcy5sYWh0aW5lbkBsaW51eC5pbnRlbC5jb20+Cj4g PiA+IFNpZ25lZC1vZmYtYnk6IFBhdWxvIFphbm9uaSA8cGF1bG8uci56YW5vbmlAaW50ZWwuY29t Pgo+ID4gPiAtLS0KPiA+ID4gIGFyY2gveDg2L2tlcm5lbC9lYXJseS1xdWlya3MuYyB8IDE4ICsr KysrKysrKysrKysrKysrKwo+ID4gPiAgaW5jbHVkZS9kcm0vaTkxNV9kcm0uaCAgICAgICAgIHwg IDQgKysrLQo+ID4gPiAgMiBmaWxlcyBjaGFuZ2VkLCAyMSBpbnNlcnRpb25zKCspLCAxIGRlbGV0 aW9uKC0pCj4gPiA+IAo+ID4gPiBkaWZmIC0tZ2l0IGEvYXJjaC94ODYva2VybmVsL2Vhcmx5LXF1 aXJrcy5jCj4gPiA+IGIvYXJjaC94ODYva2VybmVsL2Vhcmx5LXF1aXJrcy5jCj4gPiA+IGluZGV4 IGJhZTBkMzJlMzI3Yi4uNzJjMmNmOTYxZDQ0IDEwMDY0NAo+ID4gPiAtLS0gYS9hcmNoL3g4Ni9r ZXJuZWwvZWFybHktcXVpcmtzLmMKPiA+ID4gKysrIGIvYXJjaC94ODYva2VybmVsL2Vhcmx5LXF1 aXJrcy5jCj4gPiA+IEBAIC0zNDAsNiArMzQwLDE4IEBAIHN0YXRpYyByZXNvdXJjZV9zaXplX3Qg X19pbml0Cj4gPiA+IGdlbjNfc3RvbGVuX2Jhc2UoaW50IG51bSwgaW50IHNsb3QsIGludCBmdW5j LAo+ID4gPiAgICAgICAgIHJldHVybiBic20gJiBJTlRFTF9CU01fTUFTSzsKPiA+ID4gIH0KPiA+ ID4gIAo+ID4gPiArc3RhdGljIHJlc291cmNlX3NpemVfdCBfX2luaXQgZ2VuMTFfc3RvbGVuX2Jh c2UoaW50IG51bSwgaW50IHNsb3QsCj4gPiA+IGludCBmdW5jLAo+ID4gPiArICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICByZXNvdXJjZV9zaXplX3QKPiA+ID4g c3RvbGVuX3NpemUpCj4gPiA+ICt7Cj4gPiA+ICsgICAgICAgdTY0IGJzbTsKPiA+ID4gKwo+ID4g PiArICAgICAgIGJzbSA9IHJlYWRfcGNpX2NvbmZpZyhudW0sIHNsb3QsIGZ1bmMsCj4gPiA+IElO VEVMX0dFTjExX0JTTV9EVzApOwo+ID4gPiArICAgICAgIGJzbSAmPSBJTlRFTF9CU01fTUFTSzsK PiA+ID4gKyAgICAgICBic20gfD0gKHU2NClyZWFkX3BjaV9jb25maWcobnVtLCBzbG90LCBmdW5j LAo+ID4gPiBJTlRFTF9HRU4xMV9CU01fRFcxKSA8PCAzMjsKPiA+ID4gKwo+ID4gPiArICAgICAg IHJldHVybiBic207Cj4gPiA+ICt9Cj4gPiA+ICsKPiA+ID4gIHN0YXRpYyByZXNvdXJjZV9zaXpl X3QgX19pbml0IGk4MzBfc3RvbGVuX3NpemUoaW50IG51bSwgaW50IHNsb3QsCj4gPiA+IGludCBm dW5jKQo+ID4gPiAgewo+ID4gPiAgICAgICAgIHUxNiBnbWNoX2N0cmw7Cj4gPiA+IEBAIC01MDAs NiArNTEyLDExIEBAIHN0YXRpYyBjb25zdCBzdHJ1Y3QgaW50ZWxfZWFybHlfb3BzCj4gPiA+IGNo dl9lYXJseV9vcHMgX19pbml0Y29uc3QgPSB7Cj4gPiA+ICAgICAgICAgLnN0b2xlbl9zaXplID0g Y2h2X3N0b2xlbl9zaXplLAo+ID4gPiAgfTsKPiA+ID4gIAo+ID4gPiArc3RhdGljIGNvbnN0IHN0 cnVjdCBpbnRlbF9lYXJseV9vcHMgZ2VuMTFfZWFybHlfb3BzIF9faW5pdGNvbnN0ID0KPiA+ID4g ewo+ID4gPiArICAgICAgIC5zdG9sZW5fYmFzZSA9IGdlbjExX3N0b2xlbl9iYXNlLAo+ID4gPiAr ICAgICAgIC5zdG9sZW5fc2l6ZSA9IGdlbjlfc3RvbGVuX3NpemUsCj4gPiA+ICt9Owo+ID4gPiAr Cj4gPiA+ICBzdGF0aWMgY29uc3Qgc3RydWN0IHBjaV9kZXZpY2VfaWQgaW50ZWxfZWFybHlfaWRz W10gX19pbml0Y29uc3QgPQo+ID4gPiB7Cj4gPiA+ICAgICAgICAgSU5URUxfSTgzMF9JRFMoJmk4 MzBfZWFybHlfb3BzKSwKPiA+ID4gICAgICAgICBJTlRFTF9JODQ1R19JRFMoJmk4NDVfZWFybHlf b3BzKSwKPiA+ID4gQEAgLTUzMSw2ICs1NDgsNyBAQCBzdGF0aWMgY29uc3Qgc3RydWN0IHBjaV9k ZXZpY2VfaWQKPiA+ID4gaW50ZWxfZWFybHlfaWRzW10gX19pbml0Y29uc3QgPSB7Cj4gPiA+ICAg ICAgICAgSU5URUxfQ0ZMX0lEUygmZ2VuOV9lYXJseV9vcHMpLAo+ID4gPiAgICAgICAgIElOVEVM X0dMS19JRFMoJmdlbjlfZWFybHlfb3BzKSwKPiA+ID4gICAgICAgICBJTlRFTF9DTkxfSURTKCZn ZW45X2Vhcmx5X29wcyksCj4gPiA+ICsgICAgICAgSU5URUxfSUNMXzExX0lEUygmZ2VuMTFfZWFy bHlfb3BzKSwKPiA+ID4gIH07Cj4gPiA+ICAKPiA+ID4gIHN0cnVjdCByZXNvdXJjZSBpbnRlbF9n cmFwaGljc19zdG9sZW5fcmVzIF9fcm9fYWZ0ZXJfaW5pdCA9Cj4gPiA+IERFRklORV9SRVNfTUVN KDAsIDApOwo+ID4gPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9kcm0vaTkxNV9kcm0uaCBiL2luY2x1 ZGUvZHJtL2k5MTVfZHJtLmgKPiA+ID4gaW5kZXggYzllNWE2NjIxYjk1Li5jNDQ3MDNmNDcxYjMg MTAwNjQ0Cj4gPiA+IC0tLSBhL2luY2x1ZGUvZHJtL2k5MTVfZHJtLmgKPiA+ID4gKysrIGIvaW5j bHVkZS9kcm0vaTkxNV9kcm0uaAo+ID4gPiBAQCAtOTUsNyArOTUsOSBAQCBleHRlcm4gc3RydWN0 IHJlc291cmNlIGludGVsX2dyYXBoaWNzX3N0b2xlbl9yZXM7Cj4gPiA+ICAjZGVmaW5lICAgIEk4 NDVfVFNFR19TSVpFXzUxMksgKDIgPDwgMSkKPiA+ID4gICNkZWZpbmUgICAgSTg0NV9UU0VHX1NJ WkVfMU0gICAoMyA8PCAxKQo+ID4gPiAgCj4gPiA+IC0jZGVmaW5lIElOVEVMX0JTTSAweDVjCj4g PiA+ICsjZGVmaW5lIElOVEVMX0JTTSAgICAgICAgICAgICAgMHg1Ywo+ID4gPiArI2RlZmluZSBJ TlRFTF9HRU4xMV9CU01fRFcwICAgIDB4YzAKPiA+ID4gKyNkZWZpbmUgSU5URUxfR0VOMTFfQlNN X0RXMSAgICAweGM0Cj4gPiA+ICAjZGVmaW5lICAgSU5URUxfQlNNX01BU0sgICAgICAgKC0oMXUg PDwgMjApKQo+ID4gPiAgCj4gPiA+ICAjZW5kaWYgICAgICAgICAgICAgICAgICAgICAgICAgLyog X0k5MTVfRFJNX0hfICovCj4gPiA+IC0tIAo+ID4gPiAyLjE0LjMKPiA+ID4gCj4gX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGlu ZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=