From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paulo Zanoni Subject: Re: [PATCH 1/3] drm/i915: Check if the stolen memory "reserved" area is enabled or not Date: Tue, 14 Nov 2017 18:12:41 -0200 Message-ID: <1510690361.22559.5.camel@intel.com> References: <20171102151737.23336-1-ville.syrjala@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 ESMTPS id 301186E111 for ; Tue, 14 Nov 2017 20:13:04 +0000 (UTC) In-Reply-To: <20171102151737.23336-1-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ville Syrjala , intel-gfx@lists.freedesktop.org Cc: Tomi Sarvela List-Id: intel-gfx@lists.freedesktop.org RW0gUXVpLCAyMDE3LTExLTAyIMOgcyAxNzoxNyArMDIwMCwgVmlsbGUgU3lyamFsYSBlc2NyZXZl dToKPiBGcm9tOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29t Pgo+IAo+IEFwcGFyZW50bHkgdGhlcmUgYXJlIHNvbWUgbWFjaGluZXMgdGhhdCBwdXQgc2VtaS1z ZW5zaWJsZSBsb29raW5nCj4gdmFsdWVzCj4gaW50byB0aGUgc3RvbGVuICJyZXNlcnZlZCIgYmFz ZSBhbmQgc2l6ZSwgZXhjZXB0IHRob3NlIHZhbHVlcyBhcmUKPiBhY3R1YWxseQo+IG91dHNpZGUg dGhlIHN0b2xlbiBtZW1vcnkuIFRoZXJlIGlzIGEgYml0IGluIHRoZSByZWdpc3RlciB3aGljaAo+ IHN1cHBvc2VkbHkgY291bGQgdGVsbCB1cyB3aGV0aGVyIHRoZSByZXNlcnZlZCBhcmVhIGlzIGV2 ZW4gZW5hYmxlZCBvcgo+IG5vdC4gTGV0J3MgY2hlY2sgZm9yIHRoYXQgYmVmb3JlIHdlIGdvIHRy dXN0aW5nIHRoZSBiYXNlIGFuZCBzaXplLgoKSWYgdGhpcyBpcyBzdWNoIGEgcHJvYmxlbSBzaW5j ZSBnNHgsIHdoeSBkaWRuJ3Qgd2Ugc3BvdCBpdCBlYXJsaWVyPyBJdAp3b3VsZCBiZSBuaWNlIGlm IHlvdSBjb3VsZCBleHBsYWluIGluIHRoZSBjb21taXQgbWVzc2FnZSAob3IgYXQgbGVhc3QKaW4g dGhpcyBlbWFpbCkgd2hhdCBhcmUgdGhlIGNvbnNlcXVlbmNlcyB5b3UncmUgc2VlaW5nIHRoYXQg bWFkZSB5b3UKcmVhbGl6ZSBhYm91dCB0aGlzIHByb2JsZW0uIERpZCBzb21ldGhpbmcgYWN0dWFs bHkgZXhwbG9kZT8gSSdtCmdlbnVpbmVseSBjdXJpb3VzLgoKCk5vdyB0YWxraW5nIGFib3V0IHRo ZSBwYXRjaCBpdHNlbGY6CgpJZiB3ZSdyZSBnb2luZyB0byBhc3N1bWUgcmFuZG9tIGJpdHMgaW5z dGVhZCBvZiBhIGZ1bGwtemVybyBpbgoocG9zc2libHkpIHVuaW5pdGlhbGl6ZWQgc3R1ZmYsIHNo b3VsZG4ndCB3ZSBmaXJzdCBjaGVjayBiaXQgMSwgd2hpY2gKaXMgc3VwcG9zZWQgdG8gdGVsbCB1 cyBpZiB0aGUgd2hvbGUgcmVnIGlzIGxvY2tlZCBvciBub3Q/CgppZiAoKHJlZ192YWwgJiAweDMp ICE9IDB4MykKCWlnbm9yZSBzdG9sZW4gcmVzZXJ2ZWQgc3R1ZmY7CgpBbnl3YXksIHRoaXMgcGF0 Y2ggd2l0aG91dCBteSBzdWdnZXN0aW9ucyBpcyBwcm9iYWJseSBiZXR0ZXIgdGhhbiB0aGUKY3Vy cmVudCBzaXR1YXRpb24gc286ClJldmlld2VkLWJ5OiBQYXVsbyBaYW5vbmkgPHBhdWxvLnIuemFu b25pQGludGVsLmNvbT4KYnV0IHBsZWFzZSBmZWVsIGludmVzdGlnYXRlIHRoZSBiaXQgMSB0aGlu ZyBhbmQgQ0MgbWUgb24gdjIgb3IgYQpwb3NzaWJsZSBmb2xsb3ctdXAgcGF0Y2ggd2l0aCBjb25j bHVzaW9ucy4KCgo+IENjOiBUb21pIFNhcnZlbGEgPHRvbWkucC5zYXJ2ZWxhQGludGVsLmNvbT4K PiBTaWduZWQtb2ZmLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50 ZWwuY29tPgo+IC0tLQo+IMKgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fc3RvbGVuLmMg fCAzMAo+ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+IMKgZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9yZWcuaMKgwqDCoMKgwqDCoMKgwqB8wqDCoDIgKysKPiDCoDIgZmlsZXMgY2hh bmdlZCwgMzIgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X2dlbV9zdG9sZW4uYwo+IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1f c3RvbGVuLmMKPiBpbmRleCAwM2U3YWJjN2UwNDMuLjQ0YTVkYmM4YzIzYiAxMDA2NDQKPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9zdG9sZW4uYwo+ICsrKyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfZ2VtX3N0b2xlbi5jCj4gQEAgLTI5NCw2ICsyOTQsMTIgQEAgc3Rh dGljIHZvaWQgZzR4X2dldF9zdG9sZW5fcmVzZXJ2ZWQoc3RydWN0Cj4gZHJtX2k5MTVfcHJpdmF0 ZSAqZGV2X3ByaXYsCj4gwqAJCQkJwqDCoMKgwqDCoEVMS19TVE9MRU5fUkVTRVJWRUQpOwo+IMKg CWRtYV9hZGRyX3Qgc3RvbGVuX3RvcCA9IGRldl9wcml2LT5tbS5zdG9sZW5fYmFzZSArIGdndHQt Cj4gPnN0b2xlbl9zaXplOwo+IMKgCj4gKwlpZiAoKHJlZ192YWwgJiBHNFhfU1RPTEVOX1JFU0VS VkVEX0VOQUJMRSkgPT0gMCkgewo+ICsJCSpiYXNlID0gMDsKPiArCQkqc2l6ZSA9IDA7Cj4gKwkJ cmV0dXJuOwo+ICsJfQo+ICsKPiDCoAkqYmFzZSA9IChyZWdfdmFsICYgRzRYX1NUT0xFTl9SRVNF UlZFRF9BRERSMl9NQVNLKSA8PCAxNjsKPiDCoAo+IMKgCVdBUk5fT04oKHJlZ192YWwgJiBHNFhf U1RPTEVOX1JFU0VSVkVEX0FERFIxX01BU0spIDwgKmJhc2UpOwo+IEBAIC0zMTMsNiArMzE5LDEy IEBAIHN0YXRpYyB2b2lkIGdlbjZfZ2V0X3N0b2xlbl9yZXNlcnZlZChzdHJ1Y3QKPiBkcm1faTkx NV9wcml2YXRlICpkZXZfcHJpdiwKPiDCoHsKPiDCoAl1aW50MzJfdCByZWdfdmFsID0gSTkxNV9S RUFEKEdFTjZfU1RPTEVOX1JFU0VSVkVEKTsKPiDCoAo+ICsJaWYgKChyZWdfdmFsICYgR0VONl9T VE9MRU5fUkVTRVJWRURfRU5BQkxFKSA9PSAwKSB7Cj4gKwkJKmJhc2UgPSAwOwo+ICsJCSpzaXpl ID0gMDsKPiArCQlyZXR1cm47Cj4gKwl9Cj4gKwo+IMKgCSpiYXNlID0gcmVnX3ZhbCAmIEdFTjZf U1RPTEVOX1JFU0VSVkVEX0FERFJfTUFTSzsKPiDCoAo+IMKgCXN3aXRjaCAocmVnX3ZhbCAmIEdF TjZfU1RPTEVOX1JFU0VSVkVEX1NJWkVfTUFTSykgewo+IEBAIC0zMzksNiArMzUxLDEyIEBAIHN0 YXRpYyB2b2lkIGdlbjdfZ2V0X3N0b2xlbl9yZXNlcnZlZChzdHJ1Y3QKPiBkcm1faTkxNV9wcml2 YXRlICpkZXZfcHJpdiwKPiDCoHsKPiDCoAl1aW50MzJfdCByZWdfdmFsID0gSTkxNV9SRUFEKEdF TjZfU1RPTEVOX1JFU0VSVkVEKTsKPiDCoAo+ICsJaWYgKChyZWdfdmFsICYgR0VONl9TVE9MRU5f UkVTRVJWRURfRU5BQkxFKSA9PSAwKSB7Cj4gKwkJKmJhc2UgPSAwOwo+ICsJCSpzaXplID0gMDsK PiArCQlyZXR1cm47Cj4gKwl9Cj4gKwo+IMKgCSpiYXNlID0gcmVnX3ZhbCAmIEdFTjdfU1RPTEVO X1JFU0VSVkVEX0FERFJfTUFTSzsKPiDCoAo+IMKgCXN3aXRjaCAocmVnX3ZhbCAmIEdFTjdfU1RP TEVOX1JFU0VSVkVEX1NJWkVfTUFTSykgewo+IEBAIC0zNTksNiArMzc3LDEyIEBAIHN0YXRpYyB2 b2lkIGNodl9nZXRfc3RvbGVuX3Jlc2VydmVkKHN0cnVjdAo+IGRybV9pOTE1X3ByaXZhdGUgKmRl dl9wcml2LAo+IMKgewo+IMKgCXVpbnQzMl90IHJlZ192YWwgPSBJOTE1X1JFQUQoR0VONl9TVE9M RU5fUkVTRVJWRUQpOwo+IMKgCj4gKwlpZiAoKHJlZ192YWwgJiBHRU42X1NUT0xFTl9SRVNFUlZF RF9FTkFCTEUpID09IDApIHsKPiArCQkqYmFzZSA9IDA7Cj4gKwkJKnNpemUgPSAwOwo+ICsJCXJl dHVybjsKPiArCX0KPiArCj4gwqAJKmJhc2UgPSByZWdfdmFsICYgR0VONl9TVE9MRU5fUkVTRVJW RURfQUREUl9NQVNLOwo+IMKgCj4gwqAJc3dpdGNoIChyZWdfdmFsICYgR0VOOF9TVE9MRU5fUkVT RVJWRURfU0laRV9NQVNLKSB7Cj4gQEAgLTM4Nyw2ICs0MTEsMTIgQEAgc3RhdGljIHZvaWQgYmR3 X2dldF9zdG9sZW5fcmVzZXJ2ZWQoc3RydWN0Cj4gZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYs Cj4gwqAJdWludDMyX3QgcmVnX3ZhbCA9IEk5MTVfUkVBRChHRU42X1NUT0xFTl9SRVNFUlZFRCk7 Cj4gwqAJZG1hX2FkZHJfdCBzdG9sZW5fdG9wOwo+IMKgCj4gKwlpZiAoKHJlZ192YWwgJiBHRU42 X1NUT0xFTl9SRVNFUlZFRF9FTkFCTEUpID09IDApIHsKPiArCQkqYmFzZSA9IDA7Cj4gKwkJKnNp emUgPSAwOwo+ICsJCXJldHVybjsKPiArCX0KPiArCj4gwqAJc3RvbGVuX3RvcCA9IGRldl9wcml2 LT5tbS5zdG9sZW5fYmFzZSArIGdndHQtPnN0b2xlbl9zaXplOwo+IMKgCj4gwqAJKmJhc2UgPSBy ZWdfdmFsICYgR0VONl9TVE9MRU5fUkVTRVJWRURfQUREUl9NQVNLOwo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oCj4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X3JlZy5oCj4gaW5kZXggZjBmOGY2MDU5NjUyLi5kYzJjYmM0MjhkMWIgMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfcmVnLmgKPiBAQCAtMzgyLDYgKzM4Miw3IEBAIHN0YXRpYyBpbmxpbmUgYm9v bCBpOTE1X21taW9fcmVnX3ZhbGlkKGk5MTVfcmVnX3QKPiByZWcpCj4gwqAjZGVmaW5lIEdFTjhf U1RPTEVOX1JFU0VSVkVEXzJNCQkoMSA8PCA3KQo+IMKgI2RlZmluZSBHRU44X1NUT0xFTl9SRVNF UlZFRF80TQkJKDIgPDwgNykKPiDCoCNkZWZpbmUgR0VOOF9TVE9MRU5fUkVTRVJWRURfOE0JCSgz IDw8IDcpCj4gKyNkZWZpbmUgR0VONl9TVE9MRU5fUkVTRVJWRURfRU5BQkxFCSgxIDw8IDApCj4g wqAKPiDCoC8qIFZHQSBzdHVmZiAqLwo+IMKgCj4gQEAgLTMzOTgsNiArMzM5OSw3IEBAIGVudW0g aTkxNV9wb3dlcl93ZWxsX2lkIHsKPiDCoCNkZWZpbmUgRUxLX1NUT0xFTl9SRVNFUlZFRAkJX01N SU8oTUNIQkFSX01JUlJPUl9CQVNFCj4gKyAweDQ4KQo+IMKgI2RlZmluZSBHNFhfU1RPTEVOX1JF U0VSVkVEX0FERFIxX01BU0sJKDB4RkZGRiA8PCAxNikKPiDCoCNkZWZpbmUgRzRYX1NUT0xFTl9S RVNFUlZFRF9BRERSMl9NQVNLCSgweEZGRiA8PCA0KQo+ICsjZGVmaW5lIEc0WF9TVE9MRU5fUkVT RVJWRURfRU5BQkxFCSgxIDw8IDApCj4gwqAKPiDCoC8qIE1lbW9yeSBjb250cm9sbGVyIGZyZXF1 ZW5jeSBpbiBNQ0hCQVIgZm9yIEhhc3dlbGwgKHBvc3NpYmxlIFNOQispCj4gKi8KPiDCoCNkZWZp bmUgRENMSyBfTU1JTyhNQ0hCQVJfTUlSUk9SX0JBU0VfU05CICsgMHg1ZTA0KQpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK