From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fernando Pacheco Subject: [PATCH v3 2/5] drm/i915/uc: Reserve upper range of GGTT Date: Fri, 19 Apr 2019 16:00:12 -0700 Message-ID: <20190419230015.18121-3-fernando.pacheco@intel.com> References: <20190419230015.18121-1-fernando.pacheco@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id D7697892C0 for ; Fri, 19 Apr 2019 23:02:44 +0000 (UTC) In-Reply-To: <20190419230015.18121-1-fernando.pacheco@intel.com> 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 List-Id: intel-gfx@lists.freedesktop.org R3VDIGFuZCBIdUMgZGVwZW5kIG9uIHN0cnVjdF9tdXRleCBmb3IgZGV2aWNlCnJlaW5pdGlhbGl6 YXRpb24uIE1vdmluZyBhd2F5IGZyb20gdGhpcyBkZXBlbmRlbmN5CnJlcXVpcmVzIHBlcm1hLXBp bm5pbmcgdGhlIGZpcm13YXJlIGltYWdlcyBpbiBHR1RULgpUaGUgdXBwZXIgcG9ydGlvbiBvZiB0 aGUgR3VDIGFkZHJlc3Mgc3BhY2UgaGFzCmEgc2l6ZWFibGUgaG9sZSAoc2V2ZXJhbCBNQikgdGhh dCBpcyBpbmFjY2Vzc2libGUKYnkgR3VDLiBSZXNlcnZlIHRoaXMgcmFuZ2Ugd2l0aGluIEdHVFQg YXMgaXQgY2FuCmNvbWZvcnRhYmx5IGhvbGQgR3VDL0h1QyBmaXJtd2FyZSBpbWFnZXMuCgp2Mjog UmVzZXJ2ZSBub2RlIHJhdGhlciB0aGFuIGluc2VydCAoQ2hyaXMpCiAgICBTaW1wbGVyIGRldGVy bWluYXRpb24gb2Ygbm9kZSBzdGFydC9zaXplIChEYW5pZWxlKQogICAgTW92ZSByZXNlcnZlL3Jl bGVhc2Ugb3V0IHRvIGludGVsX2d1Yy4qIGZpbGVzCgp2MzogUmVzZXJ2ZSBzdGFydGluZyBhdCBH VUNfR0dUVF9UT1Agb25seSBhbmQgYmFpbCBpZiB0aGlzCiAgICBmYWlscyAoQ2hyaXMpCgpTaWdu ZWQtb2ZmLWJ5OiBGZXJuYW5kbyBQYWNoZWNvIDxmZXJuYW5kby5wYWNoZWNvQGludGVsLmNvbT4K LS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYyB8IDI1ICsrKysrKysrKysr Ky0tLS0tLS0tLS0tLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5oIHwgIDEg KwogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmMgICAgfCAyOCArKysrKysrKysrKysr KysrKysrKysrKysrKysrCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9ndWMuaCAgICB8ICAy ICsrCiA0IGZpbGVzIGNoYW5nZWQsIDQzIGluc2VydGlvbnMoKyksIDEzIGRlbGV0aW9ucygtKQoK ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKaW5kZXggOGY0NjBjYzRjYzFmLi4wYjRjMjJl Njg1NzQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCisr KyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCkBAIC0yNzUyLDYgKzI3NTIs MTIgQEAgaW50IGk5MTVfZ2VtX2luaXRfZ2d0dChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2 X3ByaXYpCiAJaWYgKHJldCkKIAkJcmV0dXJuIHJldDsKIAorCWlmIChVU0VTX0dVQyhkZXZfcHJp dikpIHsKKwkJcmV0ID0gaW50ZWxfZ3VjX3Jlc2VydmVfZ2d0dF90b3AoJmRldl9wcml2LT5ndWMp OworCQlpZiAocmV0KQorCQkJZ290byBlcnJfcmVzZXJ2ZTsKKwl9CisKIAkvKiBDbGVhciBhbnkg bm9uLXByZWFsbG9jYXRlZCBibG9ja3MgKi8KIAlkcm1fbW1fZm9yX2VhY2hfaG9sZShlbnRyeSwg JmdndHQtPnZtLm1tLCBob2xlX3N0YXJ0LCBob2xlX2VuZCkgewogCQlEUk1fREVCVUdfS01TKCJj bGVhcmluZyB1bnVzZWQgR1RUIHNwYWNlOiBbJWx4LCAlbHhdXG4iLApAQCAtMjc2NiwxMiArMjc3 MiwxNCBAQCBpbnQgaTkxNV9nZW1faW5pdF9nZ3R0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpk ZXZfcHJpdikKIAlpZiAoSU5URUxfUFBHVFQoZGV2X3ByaXYpID09IElOVEVMX1BQR1RUX0FMSUFT SU5HKSB7CiAJCXJldCA9IGk5MTVfZ2VtX2luaXRfYWxpYXNpbmdfcHBndHQoZGV2X3ByaXYpOwog CQlpZiAocmV0KQotCQkJZ290byBlcnI7CisJCQlnb3RvIGVycl9hcHBndHQ7CiAJfQogCiAJcmV0 dXJuIDA7CiAKLWVycjoKK2Vycl9hcHBndHQ6CisJaW50ZWxfZ3VjX3JlbGVhc2VfZ2d0dF90b3Ao JmRldl9wcml2LT5ndWMpOworZXJyX3Jlc2VydmU6CiAJZHJtX21tX3JlbW92ZV9ub2RlKCZnZ3R0 LT5lcnJvcl9jYXB0dXJlKTsKIAlyZXR1cm4gcmV0OwogfQpAQCAtMjc5Nyw2ICsyODA1LDggQEAg dm9pZCBpOTE1X2dndHRfY2xlYW51cF9odyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYpCiAJaWYgKGRybV9tbV9ub2RlX2FsbG9jYXRlZCgmZ2d0dC0+ZXJyb3JfY2FwdHVyZSkpCiAJ CWRybV9tbV9yZW1vdmVfbm9kZSgmZ2d0dC0+ZXJyb3JfY2FwdHVyZSk7CiAKKwlpbnRlbF9ndWNf cmVsZWFzZV9nZ3R0X3RvcCgmZGV2X3ByaXYtPmd1Yyk7CisKIAlpZiAoZHJtX21tX2luaXRpYWxp emVkKCZnZ3R0LT52bS5tbSkpIHsKIAkJaW50ZWxfdmd0X2RlYmFsbG9vbihkZXZfcHJpdik7CiAJ CWk5MTVfYWRkcmVzc19zcGFjZV9maW5pKCZnZ3R0LT52bSk7CkBAIC0zMzY5LDE3ICszMzc5LDYg QEAgaW50IGk5MTVfZ2d0dF9wcm9iZV9odyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYpCiAJaWYgKHJldCkKIAkJcmV0dXJuIHJldDsKIAotCS8qIFRyaW0gdGhlIEdHVFQgdG8gZml0 IHRoZSBHdUMgbWFwcGFibGUgdXBwZXIgcmFuZ2UgKHdoZW4gZW5hYmxlZCkuCi0JICogVGhpcyBp cyBlYXNpZXIgdGhhbiBkb2luZyByYW5nZSByZXN0cmljdGlvbiBvbiB0aGUgZmx5LCBhcyB3ZQot CSAqIGN1cnJlbnRseSBkb24ndCBoYXZlIGFueSBiaXRzIHNwYXJlIHRvIHBhc3MgaW4gdGhpcyB1 cHBlcgotCSAqIHJlc3RyaWN0aW9uIQotCSAqLwotCWlmIChVU0VTX0dVQyhkZXZfcHJpdikpIHsK LQkJZ2d0dC0+dm0udG90YWwgPSBtaW5fdCh1NjQsIGdndHQtPnZtLnRvdGFsLCBHVUNfR0dUVF9U T1ApOwotCQlnZ3R0LT5tYXBwYWJsZV9lbmQgPQotCQkJbWluX3QodTY0LCBnZ3R0LT5tYXBwYWJs ZV9lbmQsIGdndHQtPnZtLnRvdGFsKTsKLQl9Ci0KIAlpZiAoKGdndHQtPnZtLnRvdGFsIC0gMSkg Pj4gMzIpIHsKIAkJRFJNX0VSUk9SKCJXZSBuZXZlciBleHBlY3RlZCBhIEdsb2JhbCBHVFQgd2l0 aCBtb3JlIHRoYW4gMzJiaXRzIgogCQkJICAiIG9mIGFkZHJlc3Mgc3BhY2UhIEZvdW5kICVsbGRN IVxuIiwKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5oIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmgKaW5kZXggZjU5N2YzNWIxMDliLi5i NTFlNzc5NzMyYzMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0 dC5oCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5oCkBAIC0zODQsNiAr Mzg0LDcgQEAgc3RydWN0IGk5MTVfZ2d0dCB7CiAJdTMyIHBpbl9iaWFzOwogCiAJc3RydWN0IGRy bV9tbV9ub2RlIGVycm9yX2NhcHR1cmU7CisJc3RydWN0IGRybV9tbV9ub2RlIHVjX2Z3OwogfTsK IAogc3RydWN0IGk5MTVfaHdfcHBndHQgewpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZ3VjLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9ndWMuYwppbmRleCBk ODFhMDJiMGY1MjUuLjI5OWI2YWE0ZmUyOCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZ3VjLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmMKQEAg LTcyMSwzICs3MjEsMzEgQEAgdTMyIGludGVsX2d1Y19yZXNlcnZlZF9ndHRfc2l6ZShzdHJ1Y3Qg aW50ZWxfZ3VjICpndWMpCiB7CiAJcmV0dXJuIGd1Y190b19pOTE1KGd1YyktPndvcGNtLmd1Yy5z aXplOwogfQorCitpbnQgaW50ZWxfZ3VjX3Jlc2VydmVfZ2d0dF90b3Aoc3RydWN0IGludGVsX2d1 YyAqZ3VjKQoreworCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1ID0gZ3VjX3RvX2k5MTUo Z3VjKTsKKwlzdHJ1Y3QgaTkxNV9nZ3R0ICpnZ3R0ID0gJmk5MTUtPmdndHQ7CisJdTY0IHNpemU7 CisJaW50IHJldDsKKworCXNpemUgPSBnZ3R0LT52bS50b3RhbCAtIEdVQ19HR1RUX1RPUDsKKwor CXJldCA9IGk5MTVfZ2VtX2d0dF9yZXNlcnZlKCZnZ3R0LT52bSwgJmdndHQtPnVjX2Z3LCBzaXpl LAorCQkJCSAgIEdVQ19HR1RUX1RPUCwgSTkxNV9DT0xPUl9VTkVWSUNUQUJMRSwKKwkJCQkgICBQ SU5fTk9FVklDVCk7CisKKwlpZiAocmV0KQorCQlEUk1fREVCVUdfRFJJVkVSKCJHdUM6IGZhaWxl ZCB0byByZXNlcnZlIHRvcCBvZiBnZ3R0XG4iKTsKKworCXJldHVybiByZXQ7Cit9CisKK3ZvaWQg aW50ZWxfZ3VjX3JlbGVhc2VfZ2d0dF90b3Aoc3RydWN0IGludGVsX2d1YyAqZ3VjKQoreworCXN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1ID0gZ3VjX3RvX2k5MTUoZ3VjKTsKKwlzdHJ1Y3Qg aTkxNV9nZ3R0ICpnZ3R0ID0gJmk5MTUtPmdndHQ7CisKKwlpZiAoZHJtX21tX25vZGVfYWxsb2Nh dGVkKCZnZ3R0LT51Y19mdykpCisJCWRybV9tbV9yZW1vdmVfbm9kZSgmZ2d0dC0+dWNfZncpOwor fQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmggYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9ndWMuaAppbmRleCAyYzU5ZmY4ZDlmMzkuLjI0OTRlODQ4MzFh MiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmgKKysrIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmgKQEAgLTE3Myw2ICsxNzMsOCBAQCBpbnQgaW50 ZWxfZ3VjX3N1c3BlbmQoc3RydWN0IGludGVsX2d1YyAqZ3VjKTsKIGludCBpbnRlbF9ndWNfcmVz dW1lKHN0cnVjdCBpbnRlbF9ndWMgKmd1Yyk7CiBzdHJ1Y3QgaTkxNV92bWEgKmludGVsX2d1Y19h bGxvY2F0ZV92bWEoc3RydWN0IGludGVsX2d1YyAqZ3VjLCB1MzIgc2l6ZSk7CiB1MzIgaW50ZWxf Z3VjX3Jlc2VydmVkX2d0dF9zaXplKHN0cnVjdCBpbnRlbF9ndWMgKmd1Yyk7CitpbnQgaW50ZWxf Z3VjX3Jlc2VydmVfZ2d0dF90b3Aoc3RydWN0IGludGVsX2d1YyAqZ3VjKTsKK3ZvaWQgaW50ZWxf Z3VjX3JlbGVhc2VfZ2d0dF90b3Aoc3RydWN0IGludGVsX2d1YyAqZ3VjKTsKIAogc3RhdGljIGlu bGluZSBpbnQgaW50ZWxfZ3VjX3Nhbml0aXplKHN0cnVjdCBpbnRlbF9ndWMgKmd1YykKIHsKLS0g CjIuMjEuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4