From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paulo Zanoni Subject: Re: [PATCH] drm/i915/icl, x86/gpu: implement ICL stolen memory support Date: Thu, 03 May 2018 08:24:47 -0700 Message-ID: <1525361087.2946.3.camel@intel.com> References: <20180503002352.11951-1-paulo.r.zanoni@intel.com> <152534157740.6246.15492487869864237138@jlahtine-desk.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 494156E1D6 for ; Thu, 3 May 2018 15:24:53 +0000 (UTC) In-Reply-To: <152534157740.6246.15492487869864237138@jlahtine-desk.ger.corp.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Joonas Lahtinen , intel-gfx@lists.freedesktop.org Cc: x86@kernel.org, Ingo Molnar , "H . Peter Anvin" List-Id: intel-gfx@lists.freedesktop.org RW0gUXVpLCAyMDE4LTA1LTAzIMOgcyAxMjo1OSArMDMwMCwgSm9vbmFzIExhaHRpbmVuIGVzY3Jl dmV1Ogo+IFF1b3RpbmcgUGF1bG8gWmFub25pICgyMDE4LTA1LTAzIDAzOjIzOjUyKQo+ID4gSUNM IGNoYW5nZXMgdGhlIHJlZ2lzdGVycyBhbmQgYWRkcmVzc2VzIHRvIDY0IGJpdHMuCj4gPiAKPiA+ IEkgYWxzbyBicmllZmx5IGxvb2tlZCBhdCBpbXBsZW1lbnRpbmcgYW4gdTY0IHZlcnNpb24gb2Yg dGhlIFBDSQo+ID4gY29uZmlnCj4gPiByZWFkIGZ1bmN0aW9ucywgYnV0IEkgY29uY2x1ZGVkIHRo aXMgd291bGRuJ3QgYmUgdHJpdmlhbCwgc28gaXQncwo+ID4gbm90Cj4gPiB3b3J0aCBkb2luZyBp dCBmb3IgYSBzaW5nbGUgdXNlciB0aGF0IGNhbid0IGhhdmUgYW55IHJhY2luZwo+ID4gcHJvYmxl bXMKPiA+IHdoaWxlIHJlYWRpbmcgdGhlIHJlZ2lzdGVyIGluIHR3byBzZXBhcmF0ZSBvcGVyYXRp b25zLgo+ID4gCj4gPiB2MjoKPiA+ICAgLSBBZGp1c3QgdGhlIHBhdGNoIGFmdGVyIHRoZSBpOTE1 X3N0b2xlbl90b19kbWEoKSBjaGFuZ2VzLgo+ID4gICAtIFJlbW92ZSB1bnVzZWQgdmFyaWFibGUg KERhbmllbGUpLgo+ID4gICAtIFVwZGF0ZSBjb21taXQgbWVzc2FnZS4KPiA+IHYzOgo+ID4gICAt IEZpeCBhIG1pc3NpbmcgcGh5c19hZGRyX3QtPmRtYV9hZGRyX3QgZm9yZ290dGVuIGluIHYyIChr YnVpbGQKPiA+IGJvdCkKPiA+IHY0Ogo+ID4gICAtIFJlYmFzZS4KPiA+IHY1Ogo+ID4gICAtIEZp eCB3YXJuaW5ncyBpbiBhcmNoL3g4Ni9rZXJuZWwvZWFybHktcXVpcmtzLmMgYWZ0ZXIgcmViYXNl Lgo+ID4gdjY6Cj4gPiAgLSBObyBtb3JlIFRPRE8gbGlzdC4KPiA+ICAtIFN0YXkgdW5kZXIgODAg Y29sdW1ucy4KPiA+ICAtIEFkZCBkZWJ1ZyBtZXNzYWdlIHRvIG1hdGNoIHRoZSBvdGhlciBmdW5j dGlvbnMuCj4gCj4gVGhpcyB3aWxsIG9ubHkgY29uZnVzZSBtb3N0IHJlYWRlcnMsIHNvIHBsZWFz ZSBkbyBzY3J1YiB0aGUgaW50ZXJuYWwKPiBjaGFuZ2Vsb2cgd2hlbiBzZW5kaW5nIHRoZSBmaXJz dCByZXZpc2lvbiBvbiBhIG1haWxpbmcgbGlzdC4KCldlJ3ZlIGJlZW4gZG9pbmcgdGhpcyBmb3Ig eWVhcnMsIHdoeSBkaWQgb3VyIG9waW5pb24gY2hhbmdlIHRvZGF5PwoKCj4gCj4gPiBJc3N1ZTog VklaLTkyNTAKPiA+IENjOiBJbmdvIE1vbG5hciA8bWluZ29Aa2VybmVsLm9yZz4KPiA+IENjOiBI LiBQZXRlciBBbnZpbiA8aHBhQHp5dG9yLmNvbT4KPiA+IENjOiB4ODZAa2VybmVsLm9yZwo+ID4g Q2M6IERhbmllbGUgQ2VyYW9sbyBTcHVyaW8gPGRhbmllbGUuY2VyYW9sb3NwdXJpb0BpbnRlbC5j b20+Cj4gPiBSZXZpZXdlZC1ieTogRGFuaWVsZSBDZXJhb2xvIFNwdXJpbyA8ZGFuaWVsZS5jZXJh b2xvc3B1cmlvQGludGVsLmNvCj4gPiBtPiAjIEVhcmx5IHJldmlldywgbmVlZHMgcmUtY2hlY2sg YmVmb3JlIG1lcmdpbmcKPiA+IFNpZ25lZC1vZmYtYnk6IFBhdWxvIFphbm9uaSA8cGF1bG8uci56 YW5vbmlAaW50ZWwuY29tPgo+ID4gLS0tCj4gPiAgYXJjaC94ODYva2VybmVsL2Vhcmx5LXF1aXJr cy5jICAgICAgICAgfCAxOCArKysrKysrKysrKysrKysrCj4gPiAgZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9nZW1fc3RvbGVuLmMgfCAzOAo+ID4gKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrLQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVnLmggICAgICAgIHwgIDEg Kwo+ID4gIGluY2x1ZGUvZHJtL2k5MTVfZHJtLmggICAgICAgICAgICAgICAgIHwgIDQgKysrLQo+ ID4gIDQgZmlsZXMgY2hhbmdlZCwgNTkgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPiA+ IAo+ID4gZGlmZiAtLWdpdCBhL2FyY2gveDg2L2tlcm5lbC9lYXJseS1xdWlya3MuYwo+ID4gYi9h cmNoL3g4Ni9rZXJuZWwvZWFybHktcXVpcmtzLmMKPiA+IGluZGV4IGJhZTBkMzJlMzI3Yi4uOTYy MjhiYWMxYzhjIDEwMDY0NAo+ID4gLS0tIGEvYXJjaC94ODYva2VybmVsL2Vhcmx5LXF1aXJrcy5j Cj4gPiArKysgYi9hcmNoL3g4Ni9rZXJuZWwvZWFybHktcXVpcmtzLmMKPiA+IEBAIC0zNDAsNiAr MzQwLDE4IEBAIHN0YXRpYyByZXNvdXJjZV9zaXplX3QgX19pbml0Cj4gPiBnZW4zX3N0b2xlbl9i YXNlKGludCBudW0sIGludCBzbG90LCBpbnQgZnVuYywKPiA+ICAgICAgICAgcmV0dXJuIGJzbSAm IElOVEVMX0JTTV9NQVNLOwo+ID4gIH0KPiA+ICAKPiA+ICtzdGF0aWMgcmVzb3VyY2Vfc2l6ZV90 IF9faW5pdCBnZW4xMV9zdG9sZW5fYmFzZShpbnQgbnVtLCBpbnQgc2xvdCwKPiA+IGludCBmdW5j LAo+ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHJl c291cmNlX3NpemVfdAo+ID4gc3RvbGVuX3NpemUpCj4gPiArewo+ID4gKyAgICAgICB1NjQgYnNt Owo+ID4gKwo+ID4gKyAgICAgICBic20gPSByZWFkX3BjaV9jb25maWcobnVtLCBzbG90LCBmdW5j LAo+ID4gSU5URUxfR0VOMTFfQlNNX0RXMCk7Cj4gPiArICAgICAgIGJzbSAmPSBJTlRFTF9CU01f TUFTSzsKPiA+ICsgICAgICAgYnNtIHw9ICh1NjQpcmVhZF9wY2lfY29uZmlnKG51bSwgc2xvdCwg ZnVuYywKPiA+IElOVEVMX0dFTjExX0JTTV9EVzEpIDw8IDMyOwo+ID4gKwo+ID4gKyAgICAgICBy ZXR1cm4gKHJlc291cmNlX3NpemVfdClic207Cj4gCj4gcmV0dXJuIGJzbTsgd2lsbCBzdWZmaWNl Lgo+IAo+ID4gK30KPiA+ICsKPiA+ICBzdGF0aWMgcmVzb3VyY2Vfc2l6ZV90IF9faW5pdCBpODMw X3N0b2xlbl9zaXplKGludCBudW0sIGludCBzbG90LAo+ID4gaW50IGZ1bmMpCj4gPiAgewo+ID4g ICAgICAgICB1MTYgZ21jaF9jdHJsOwo+ID4gQEAgLTUwMCw2ICs1MTIsMTEgQEAgc3RhdGljIGNv bnN0IHN0cnVjdCBpbnRlbF9lYXJseV9vcHMKPiA+IGNodl9lYXJseV9vcHMgX19pbml0Y29uc3Qg PSB7Cj4gPiAgICAgICAgIC5zdG9sZW5fc2l6ZSA9IGNodl9zdG9sZW5fc2l6ZSwKPiA+ICB9Owo+ ID4gIAo+ID4gK3N0YXRpYyBjb25zdCBzdHJ1Y3QgaW50ZWxfZWFybHlfb3BzIGdlbjExX2Vhcmx5 X29wcyBfX2luaXRjb25zdCA9Cj4gPiB7Cj4gPiArICAgICAgIC5zdG9sZW5fYmFzZSA9IGdlbjEx X3N0b2xlbl9iYXNlLAo+ID4gKyAgICAgICAuc3RvbGVuX3NpemUgPSBnZW45X3N0b2xlbl9zaXpl LAo+ID4gK307Cj4gPiArCj4gPiAgc3RhdGljIGNvbnN0IHN0cnVjdCBwY2lfZGV2aWNlX2lkIGlu dGVsX2Vhcmx5X2lkc1tdIF9faW5pdGNvbnN0ID0KPiA+IHsKPiA+ICAgICAgICAgSU5URUxfSTgz MF9JRFMoJmk4MzBfZWFybHlfb3BzKSwKPiA+ICAgICAgICAgSU5URUxfSTg0NUdfSURTKCZpODQ1 X2Vhcmx5X29wcyksCj4gPiBAQCAtNTMxLDYgKzU0OCw3IEBAIHN0YXRpYyBjb25zdCBzdHJ1Y3Qg cGNpX2RldmljZV9pZAo+ID4gaW50ZWxfZWFybHlfaWRzW10gX19pbml0Y29uc3QgPSB7Cj4gPiAg ICAgICAgIElOVEVMX0NGTF9JRFMoJmdlbjlfZWFybHlfb3BzKSwKPiA+ICAgICAgICAgSU5URUxf R0xLX0lEUygmZ2VuOV9lYXJseV9vcHMpLAo+ID4gICAgICAgICBJTlRFTF9DTkxfSURTKCZnZW45 X2Vhcmx5X29wcyksCj4gPiArICAgICAgIElOVEVMX0lDTF8xMV9JRFMoJmdlbjExX2Vhcmx5X29w cyksCj4gPiAgfTsKPiAKPiBQbGVhc2Ugc3BsaXQgdGhlIHBhdGNoIGhlcmUgYW5kIGFkZCBhIHJl c3BlY3RpdmUgRml4ZXM6IHRhZyB0byB3aGVuCj4gYmFzZSBJY2VsYWtlIHN1cHBvcnQgd2FzIGlu dHJvZHVjZWQuIExhY2tpbmcgdGhpcyBwb3J0aW9uIHdoZW4KPiBydW5uaW5nIElDTCB3aWxsCj4g Y2F1c2UgcmFuZG9tIG1lbW9yeSBjb3JydXB0aW9uIHNvIGl0J3MgaW1wb3J0YW50IHRvIGhhdmUg dGhpcyBsYW5kZWQKPiBlYXJseS4KCkljZWxha2UgaXMgc3RpbGwgaGlkZGVuIGJlaGluZCB0aGUg YWxwaGFfc3VwcG9ydCBmbGFnLCBzbyBubyBwb2ludCBpbgpiYWNrcG9ydGluZyBmb3IgaTkxNS5r byBzcGVjaWZpY2FsbHkuIElmIHdlJ3JlIHRhbGtpbmcgYWJvdXQKYmFja3BvcnRpbmcganVzdCBi ZWNhdXNlIG9mIHRoZSBtZW1vcnkgcmVzZXJ2YXRpb24gd2l0aG91dCBncmFwaGljcywKaG93IGZh ciBiYWNrIHNob3VsZCB3ZSBnbz8KCj4gCj4gUmVnYXJkcywgSm9vbmFzCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=