From mboxrd@z Thu Jan 1 00:00:00 1970 From: deepak.s@linux.intel.com Subject: [RFC] drm/i915: Framebuffers need not be limited to 256MB on gen8+. Date: Thu, 26 Feb 2015 21:01:52 +0530 Message-ID: <1424964712-16131-1-git-send-email-deepak.s@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E3BE6E218 for ; Thu, 26 Feb 2015 07:35:08 -0800 (PST) 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 Cc: "Satyanantha, Rama Gopal M" List-Id: intel-gfx@lists.freedesktop.org RnJvbTogRGVlcGFrIFMgPGRlZXBhay5zQGxpbnV4LmludGVsLmNvbT4KClRoZSByZXN0cmljdGlv biBvZiBwaW5uaW5nRnJhbWVidWZmZXIgdG8gZmlyc3QgMjU2TUIgaXMgcmVtb3ZlZCBmcm9tIGdl bjgrLgpSZW1vdmluZyB0aGUgcmVzdHJpY3Rpb24gc28gdGhhdCBGQiBjYW4gYmUgcGlubmVkIGlu IGFueSBzcGFjZSB3aXRoaW4KR1RUL1BQR1RULiBBbHNvLCBmb3IgZ2VuOCsgbm8gbmVlZCB0byB1 c2UgcGluX21hcHBhYmxlIGZvciBGcmFtZWJ1ZmZlciAmCmFsc28gd2UgZG8gbm90IHRha2UgZmVu Y2UgYXMgRnJhbWVidWZmZXIgY29tcHJlc3Npb24gaXMgbm90IGVuYWJsZWQuCgpTaWduZWQtb2Zm LWJ5OiBTYXR5YW5hbnRoYSwgUmFtYSBHb3BhbCBNIDxyYW1hLmdvcGFsLm0uc2F0eWFuYW50aGFA aW50ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBEZWVwYWsgUyA8ZGVlcGFrLnNAbGludXguaW50ZWwu Y29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgICAgICB8ICA5ICsrKysr KystLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jIHwgMTEgKysrKysrKy0t LS0KIDIgZmlsZXMgY2hhbmdlZCwgMTQgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKCmRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9nZW0uYwppbmRleCA3N2E3MzE1Li5jOWY1YjA2IDEwMDY0NAotLS0gYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZ2VtLmMKQEAgLTM5NDEsNiArMzk0MSw3IEBAIGk5MTVfZ2VtX29iamVjdF9waW5fdG9f ZGlzcGxheV9wbGFuZShzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqLAogCQkJCSAgICAg c3RydWN0IGludGVsX2VuZ2luZV9jcyAqcGlwZWxpbmVkKQogewogCXUzMiBvbGRfcmVhZF9kb21h aW5zLCBvbGRfd3JpdGVfZG9tYWluOworCXN0cnVjdCBkcm1fZGV2aWNlICpkZXYgPSBvYmotPmJh c2UuZGV2OwogCWJvb2wgd2FzX3Bpbl9kaXNwbGF5OwogCWludCByZXQ7CiAKQEAgLTM5NzIsOSAr Mzk3MywxMyBAQCBpOTE1X2dlbV9vYmplY3RfcGluX3RvX2Rpc3BsYXlfcGxhbmUoc3RydWN0IGRy bV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKIAogCS8qIEFzIHRoZSB1c2VyIG1heSBtYXAgdGhlIGJ1 ZmZlciBvbmNlIHBpbm5lZCBpbiB0aGUgZGlzcGxheSBwbGFuZQogCSAqIChlLmcuIGxpYmttcyBm b3IgdGhlIGJvb3R1cCBzcGxhc2gpLCB3ZSBoYXZlIHRvIGVuc3VyZSB0aGF0IHdlCi0JICogYWx3 YXlzIHVzZSBtYXBfYW5kX2ZlbmNlYWJsZSBmb3IgYWxsIHNjYW5vdXQgYnVmZmVycy4KKwkgKiBh bHdheXMgdXNlIG1hcF9hbmRfZmVuY2VhYmxlIGZvciBhbGwgc2Nhbm91dCBidWZmZXJzLiBObyBu ZWVkCisJICogb2YgbWFwX2ZlbmNlYWJsZSBmb3IgPj0gZ2VuOAogCSAqLwotCXJldCA9IGk5MTVf Z2VtX29ial9nZ3R0X3BpbihvYmosIGFsaWdubWVudCwgUElOX01BUFBBQkxFKTsKKwlpZiAoKElO VEVMX0lORk8oZGV2KS0+Z2VuID49IDgpKQorCQlyZXQgPSBpOTE1X2dlbV9vYmpfZ2d0dF9waW4o b2JqLCBhbGlnbm1lbnQsIDApOworCWVsc2UKKwkJcmV0ID0gaTkxNV9nZW1fb2JqX2dndHRfcGlu KG9iaiwgYWxpZ25tZW50LCBQSU5fTUFQUEFCTEUpOwogCWlmIChyZXQpCiAJCWdvdG8gZXJyX3Vu cGluX2Rpc3BsYXk7CiAKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rp c3BsYXkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwppbmRleCBmYWQ1 Zjc2Li5kMzA2N2JlIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNw bGF5LmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCkBAIC0yMjY3 LDExICsyMjY3LDE0IEBAIGludGVsX3Bpbl9hbmRfZmVuY2VfZmJfb2JqKHN0cnVjdCBkcm1fcGxh bmUgKnBsYW5lLAogCS8qIEluc3RhbGwgYSBmZW5jZSBmb3IgdGlsZWQgc2Nhbi1vdXQuIFByZS1p OTY1IGFsd2F5cyBuZWVkcyBhCiAJICogZmVuY2UsIHdoZXJlYXMgOTY1KyBvbmx5IHJlcXVpcmVz IGEgZmVuY2UgaWYgdXNpbmcKIAkgKiBmcmFtZWJ1ZmZlciBjb21wcmVzc2lvbi4gIEZvciBzaW1w bGljaXR5LCB3ZSBhbHdheXMgaW5zdGFsbAotCSAqIGEgZmVuY2UgYXMgdGhlIGNvc3QgaXMgbm90 IHRoYXQgb25lcm91cy4KKwkgKiBhIGZlbmNlIGFzIHRoZSBjb3N0IGlzIG5vdCB0aGF0IG9uZXJv dXMuIEZlbmNlIGlzIG9ubHkgcmVxdWlyZWQKKwkgKiBmb3IgZ2VuIDcgJiBiZWxvdwogCSAqLwot CXJldCA9IGk5MTVfZ2VtX29iamVjdF9nZXRfZmVuY2Uob2JqKTsKLQlpZiAocmV0KQotCQlnb3Rv IGVycl91bnBpbjsKKwlpZiAoKElOVEVMX0lORk8oZGV2KS0+Z2VuIDw9IDcpKSB7CisJCXJldCA9 IGk5MTVfZ2VtX29iamVjdF9nZXRfZmVuY2Uob2JqKTsKKwkJaWYgKHJldCkKKwkJCWdvdG8gZXJy X3VucGluOworCX0KIAogCWk5MTVfZ2VtX29iamVjdF9waW5fZmVuY2Uob2JqKTsKIAotLSAKMS45 LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==