From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH v2 1/5] drm/nouveau: tegra: Detach from ARM DMA/IOMMU mapping Date: Wed, 25 Apr 2018 12:10:47 +0200 Message-ID: <20180425101051.15349-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Christoph Hellwig , Joerg Roedel Cc: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Russell King , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Daniel Vetter , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-tegra@vger.kernel.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KCkRlcGVuZGluZyBvbiB0 aGUga2VybmVsIGNvbmZpZ3VyYXRpb24sIGVhcmx5IEFSTSBhcmNoaXRlY3R1cmUgc2V0dXAgY29k ZQptYXkgaGF2ZSBhdHRhY2hlZCB0aGUgR1BVIHRvIGEgRE1BL0lPTU1VIG1hcHBpbmcgdGhhdCB0 cmFuc3BhcmVudGx5IHVzZXMKdGhlIElPTU1VIHRvIGJhY2sgdGhlIERNQSBBUEkuIFRlZ3JhIHJl cXVpcmVzIHNwZWNpYWwgaGFuZGxpbmcgZm9yIElPTU1VCmJhY2tlZCBidWZmZXJzIChhIHNwZWNp YWwgYml0IGluIHRoZSBHUFUncyBNTVUgcGFnZSB0YWJsZXMgaW5kaWNhdGVzIHRoZQptZW1vcnkg cGF0aCB0byB0YWtlOiB2aWEgdGhlIFNNTVUgb3IgZGlyZWN0bHkgdG8gdGhlIG1lbW9yeSBjb250 cm9sbGVyKS4KVHJhbnNwYXJlbnRseSBiYWNraW5nIERNQSBtZW1vcnkgd2l0aCBhbiBJT01NVSBw cmV2ZW50cyBOb3V2ZWF1IGZyb20KcHJvcGVybHkgaGFuZGxpbmcgc3VjaCBtZW1vcnkgYWNjZXNz ZXMgYW5kIGNhdXNlcyBtZW1vcnkgYWNjZXNzIGZhdWx0cy4KCkFzIGEgc2lkZS1ub3RlOiBidWZm ZXJzIG90aGVyIHRoYW4gdGhvc2UgYWxsb2NhdGVkIGluIGluc3RhbmNlIG1lbW9yeQpkb24ndCBu ZWVkIHRvIGJlIHBoeXNpY2FsbHkgY29udGlndW91cyBmcm9tIHRoZSBHUFUncyBwZXJzcGVjdGl2 ZSBzaW5jZQp0aGUgR1BVIGNhbiBtYXAgdGhlbSBpbnRvIGNvbnRpZ3VvdXMgYnVmZmVycyB1c2lu ZyBpdHMgb3duIE1NVS4gTWFwcGluZwp0aGVzZSBidWZmZXJzIHRocm91Z2ggdGhlIElPTU1VIGlz IHVubmVjZXNzYXJ5IGFuZCB3aWxsIGV2ZW4gbGVhZCB0bwpwZXJmb3JtYW5jZSBkZWdyYWRhdGlv biBiZWNhdXNlIG9mIHRoZSBhZGRpdGlvbmFsIHRyYW5zbGF0aW9uLgoKU2lnbmVkLW9mZi1ieTog VGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KLS0tCkkgaGFkIGFscmVhZHkgc2Vu dCB0aGlzIG91dCBpbmRlcGVuZGVudGx5IHRvIGZpeCBhIHJlZ3Jlc3Npb24gdGhhdCB3YXMKaW50 cm9kdWNlZCBpbiB2NC4xNiwgYnV0IHRoZW4gQ2hyaXN0b3BoIHBvaW50ZWQgb3V0IHRoYXQgaXQg c2hvdWxkJ3ZlCmJlZW4gc2VudCB0byBhIHdpZGVyIGF1ZGllbmNlIGFuZCBzaG91bGQgdXNlIGEg Y29yZSBBUEkgcmF0aGVyIHRoYW4KY2FsbGluZyBpbnRvIGFyY2hpdGVjdHVyZSBjb2RlIGRpcmVj dGx5LgoKSSd2ZSBhZGRlZCBpdCB0byB0aGlzIHNlcmllcyBmb3IgZWFzaWVyIHJlZmVyZW5jZSBh bmQgdG8gc2hvdyB0aGUgbmVlZApmb3IgdGhlIG5ldyBBUEkuCgogLi4uL2RybS9ub3V2ZWF1L252 a20vZW5naW5lL2RldmljZS90ZWdyYS5jICAgIHwgMTkgKysrKysrKysrKysrKysrKysrKwogMSBm aWxlIGNoYW5nZWQsIDE5IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vbm91dmVhdS9udmttL2VuZ2luZS9kZXZpY2UvdGVncmEuYyBiL2RyaXZlcnMvZ3B1L2RybS9u b3V2ZWF1L252a20vZW5naW5lL2RldmljZS90ZWdyYS5jCmluZGV4IDc4NTk3ZGE2MzEzYS4uMjM0 MjhhNzA1NmU5IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vbm91dmVhdS9udmttL2VuZ2lu ZS9kZXZpY2UvdGVncmEuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vbm91dmVhdS9udmttL2VuZ2lu ZS9kZXZpY2UvdGVncmEuYwpAQCAtMTksNiArMTksMTEgQEAKICAqIEZST00sIE9VVCBPRiBPUiBJ TiBDT05ORUNUSU9OIFdJVEggVEhFIFNPRlRXQVJFIE9SIFRIRSBVU0UgT1IgT1RIRVIKICAqIERF QUxJTkdTIElOIFRIRSBTT0ZUV0FSRS4KICAqLworCisjaWYgSVNfRU5BQkxFRChDT05GSUdfQVJN X0RNQV9VU0VfSU9NTVUpCisjaW5jbHVkZSA8YXNtL2RtYS1pb21tdS5oPgorI2VuZGlmCisKICNp bmNsdWRlIDxjb3JlL3RlZ3JhLmg+CiAjaWZkZWYgQ09ORklHX05PVVZFQVVfUExBVEZPUk1fRFJJ VkVSCiAjaW5jbHVkZSAicHJpdi5oIgpAQCAtMTA1LDYgKzExMCwyMCBAQCBudmttX2RldmljZV90 ZWdyYV9wcm9iZV9pb21tdShzdHJ1Y3QgbnZrbV9kZXZpY2VfdGVncmEgKnRkZXYpCiAJdW5zaWdu ZWQgbG9uZyBwZ3NpemVfYml0bWFwOwogCWludCByZXQ7CiAKKyNpZiBJU19FTkFCTEVEKENPTkZJ R19BUk1fRE1BX1VTRV9JT01NVSkKKwlpZiAoZGV2LT5hcmNoZGF0YS5tYXBwaW5nKSB7CisJCXN0 cnVjdCBkbWFfaW9tbXVfbWFwcGluZyAqbWFwcGluZyA9IHRvX2RtYV9pb21tdV9tYXBwaW5nKGRl dik7CisKKwkJYXJtX2lvbW11X3JlbGVhc2VfbWFwcGluZyhtYXBwaW5nKTsKKwkJYXJtX2lvbW11 X2RldGFjaF9kZXZpY2UoZGV2KTsKKworCQlpZiAoZGV2LT5hcmNoZGF0YS5kbWFfY29oZXJlbnQp CisJCQlzZXRfZG1hX29wcyhkZXYsICZhcm1fY29oZXJlbnRfZG1hX29wcyk7CisJCWVsc2UKKwkJ CXNldF9kbWFfb3BzKGRldiwgJmFybV9kbWFfb3BzKTsKKwl9CisjZW5kaWYKKwogCWlmICghdGRl di0+ZnVuYy0+aW9tbXVfYml0KQogCQlyZXR1cm47CiAKLS0gCjIuMTcuMAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTm91dmVhdSBtYWlsaW5nIGxpc3QK Tm91dmVhdUBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9ub3V2ZWF1Cg==