From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: [PATCH RFC 072/111] staging: etnaviv: "better" DMA API usage Date: Thu, 2 Apr 2015 17:30:14 +0200 Message-ID: <1427988653-754-73-git-send-email-l.stach@pengutronix.de> References: <1427988653-754-1-git-send-email-l.stach@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by gabe.freedesktop.org (Postfix) with ESMTP id 42E206EA63 for ; Thu, 2 Apr 2015 08:31:00 -0700 (PDT) In-Reply-To: <1427988653-754-1-git-send-email-l.stach@pengutronix.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org Cc: Russell King , kernel@pengutronix.de List-Id: dri-devel@lists.freedesktop.org RnJvbTogUnVzc2VsbCBLaW5nIDxybWsra2VybmVsQGFybS5saW51eC5vcmcudWs+CgpUaGUgRE1B IEFQSSB1c2FnZSBieSBldG5hdml2IGlzIHJlYWxseSBub3QgdXAgdG8gc2NyYXRjaC4gIEl0IGRv ZXMgbm90CnJlc3BlY3QgdGhlIGJ1ZmZlciBvd25lcnNoaXAgcnVsZXMsIHdoaWNoIGFyZSB2aXRh bGx5IG5lY2Vzc2FyeSB3aGVuCnVzaW5nIERNQV9CSURJUkVDVElPTkFMLCBhcyBtYXBwaW5nIC9v bmx5LyBjbGVhbnMgdGhlIGNhY2hlIGxpbmVzLApjYXVzaW5nIGRpcnR5IGRhdGEgdG8gYmUgd3Jp dHRlbiBiYWNrIHRvIFJBTSBhbmQgYW4gdW5tYXAgL29ubHkvCmludmFsaWRhdGVzIHRoZW0sIGNh dXNpbmcgYW55IGRhdGEgaW4gdGhlIGNhY2hlIHRvIGJlIGRpc2NhcmRlZC4gIEdpdmVuCnRoZSBs ZW5ndGggb2YgdGltZSB3aGljaCB0aGVzZSBvYmplY3RzIHJlbWFpbiBtYXBwZWQsIHdlIGNhbid0 IGhvbGQKdGhlbSBpbiB0aGUgbWFwcGVkIHN0YXRlIHdoaWxlIGhvcGluZyB0aGF0IG5vIG90aGVy IENQVSBhY2Nlc3NlcyB0byB0aGUKYnVmZmVyIG9jY3VyLgoKVGhpcyBoYXMgbGVhZCB0byB2aXNp YmxlIHBpeG1hcCBjb3JydXB0aW9uIGluIHRoZSBYIHNlcnZlci4gIFdvcmsgYXJvdW5kCnRoaXMg YnkgbWFwcGluZyBhbmQgdGhlbiBpbW1lZGlhdGVseSB1bm1hcHBpbmcgdGhlIGJ1ZmZlcnMuICBU aGlzIGNhdXNlcwpkYXRhIGluIHRoZSBidWZmZXJzIHRvIGJlIHdyaXR0ZW4gYmFjayBhbmQgdGhl biBwdXJnZWQgZnJvbSB0aGUgY2FjaGVzLgoKU2lnbmVkLW9mZi1ieTogUnVzc2VsbCBLaW5nIDxy bWsra2VybmVsQGFybS5saW51eC5vcmcudWs+Ci0tLQogZHJpdmVycy9zdGFnaW5nL2V0bmF2aXYv ZXRuYXZpdl9nZW0uYyB8IDE0ICsrKysrKysrLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgOCBpbnNl cnRpb25zKCspLCA2IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvc3RhZ2luZy9l dG5hdml2L2V0bmF2aXZfZ2VtLmMgYi9kcml2ZXJzL3N0YWdpbmcvZXRuYXZpdi9ldG5hdml2X2dl bS5jCmluZGV4IDhlZWFmY2FmYjRlOS4uNTZlNGZmNWRkMDQ4IDEwMDY0NAotLS0gYS9kcml2ZXJz L3N0YWdpbmcvZXRuYXZpdi9ldG5hdml2X2dlbS5jCisrKyBiL2RyaXZlcnMvc3RhZ2luZy9ldG5h dml2L2V0bmF2aXZfZ2VtLmMKQEAgLTI2LDE0ICsyNiwxNSBAQAogc3RhdGljIHZvaWQgZXRuYXZp dl9nZW1fc2NhdHRlcl9tYXAoc3RydWN0IGV0bmF2aXZfZ2VtX29iamVjdCAqZXRuYXZpdl9vYmop CiB7CiAJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGV0bmF2aXZfb2JqLT5iYXNlLmRldjsKKwlz dHJ1Y3Qgc2dfdGFibGUgKnNndCA9IGV0bmF2aXZfb2JqLT5zZ3Q7CiAKIAkvKgogCSAqIEZvciBu b24tY2FjaGVkIGJ1ZmZlcnMsIGVuc3VyZSB0aGUgbmV3IHBhZ2VzIGFyZSBjbGVhbgogCSAqIGJl Y2F1c2UgZGlzcGxheSBjb250cm9sbGVyLCBHUFUsIGV0Yy4gYXJlIG5vdCBjb2hlcmVudC4KIAkg Ki8KIAlpZiAoZXRuYXZpdl9vYmotPmZsYWdzICYgKEVUTkFfQk9fV0N8RVROQV9CT19DQUNIRUQp KSB7Ci0JCWRtYV9tYXBfc2coZGV2LT5kZXYsIGV0bmF2aXZfb2JqLT5zZ3QtPnNnbCwKLQkJCSAg IGV0bmF2aXZfb2JqLT5zZ3QtPm5lbnRzLCBETUFfQklESVJFQ1RJT05BTCk7CisJCWRtYV9tYXBf c2coZGV2LT5kZXYsIHNndC0+c2dsLCBzZ3QtPm5lbnRzLCBETUFfQklESVJFQ1RJT05BTCk7CisJ CWRtYV91bm1hcF9zZyhkZXYtPmRldiwgc2d0LT5zZ2wsIHNndC0+bmVudHMsIERNQV9CSURJUkVD VElPTkFMKTsKIAl9IGVsc2UgewogCQlzdHJ1Y3Qgc2NhdHRlcmxpc3QgKnNnOwogCQl1bnNpZ25l ZCBpbnQgaTsKQEAgLTUwLDYgKzUxLDcgQEAgc3RhdGljIHZvaWQgZXRuYXZpdl9nZW1fc2NhdHRl cl9tYXAoc3RydWN0IGV0bmF2aXZfZ2VtX29iamVjdCAqZXRuYXZpdl9vYmopCiBzdGF0aWMgdm9p ZCBldG5hdml2X2dlbV9zY2F0dGVybGlzdF91bm1hcChzdHJ1Y3QgZXRuYXZpdl9nZW1fb2JqZWN0 ICpldG5hdml2X29iaikKIHsKIAlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0gZXRuYXZpdl9vYmot PmJhc2UuZGV2OworCXN0cnVjdCBzZ190YWJsZSAqc2d0ID0gZXRuYXZpdl9vYmotPnNndDsKIAog CS8qCiAJICogRm9yIG5vbi1jYWNoZWQgYnVmZmVycywgZW5zdXJlIHRoZSBuZXcgcGFnZXMgYXJl IGNsZWFuCkBAIC02NiwxMCArNjgsMTAgQEAgc3RhdGljIHZvaWQgZXRuYXZpdl9nZW1fc2NhdHRl cmxpc3RfdW5tYXAoc3RydWN0IGV0bmF2aXZfZ2VtX29iamVjdCAqZXRuYXZpdl9vYmoKIAkgKiB3 cml0dGVuIGludG8gdGhlIHJlbWFpbmRlciBvZiB0aGUgcmVnaW9uLCB0aGlzIGNhbgogCSAqIGRp c2NhcmQgdGhvc2Ugd3JpdGVzLgogCSAqLwotCWlmIChldG5hdml2X29iai0+ZmxhZ3MgJiAoRVRO QV9CT19XQ3xFVE5BX0JPX0NBQ0hFRCkpCi0JCWRtYV91bm1hcF9zZyhkZXYtPmRldiwgZXRuYXZp dl9vYmotPnNndC0+c2dsLAotCQkJICAgICBldG5hdml2X29iai0+c2d0LT5uZW50cywKLQkJCSAg ICAgRE1BX0JJRElSRUNUSU9OQUwpOworCWlmIChldG5hdml2X29iai0+ZmxhZ3MgJiAoRVROQV9C T19XQ3xFVE5BX0JPX0NBQ0hFRCkpIHsKKwkJZG1hX21hcF9zZyhkZXYtPmRldiwgc2d0LT5zZ2ws IHNndC0+bmVudHMsIERNQV9CSURJUkVDVElPTkFMKTsKKwkJZG1hX3VubWFwX3NnKGRldi0+ZGV2 LCBzZ3QtPnNnbCwgc2d0LT5uZW50cywgRE1BX0JJRElSRUNUSU9OQUwpOworCX0KIH0KIAogLyog Y2FsbGVkIHdpdGggZGV2LT5zdHJ1Y3RfbXV0ZXggaGVsZCAqLwotLSAKMi4xLjQKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5n IGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRl c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==