From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ayan Halder Subject: Re: [RFC PATCH] drm/komeda: fixing of DMA mapping sg segment warning Date: Fri, 29 Mar 2019 16:26:41 +0000 Message-ID: <20190329162640.GB8314@arm.com> References: <1553757859-13506-1-git-send-email-lowry.li@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from EUR02-HE1-obe.outbound.protection.outlook.com (mail-he1eur02on0615.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe05::615]) by gabe.freedesktop.org (Postfix) with ESMTPS id AC4ED6E90D for ; Fri, 29 Mar 2019 16:26:43 +0000 (UTC) In-Reply-To: <1553757859-13506-1-git-send-email-lowry.li@arm.com> Content-Language: en-US Content-ID: <1D20EC5A20FD7B409C5D4ADBE9FE35A1@eurprd08.prod.outlook.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: "Lowry Li (Arm Technology China)" Cc: "airlied@linux.ie" , Liviu Dudau , "Jonathan Chai (Arm Technology China)" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "Julien Yin (Arm Technology China)" , "james qian wang (Arm Technology China)" , "seanpaul@chromium.org" , nd List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCBNYXIgMjgsIDIwMTkgYXQgMDc6MjU6MDBBTSArMDAwMCwgTG93cnkgTGkgKEFybSBU ZWNobm9sb2d5IENoaW5hKSB3cm90ZToKPiBGaXhpbmcgdGhlIERNQSBtYXBwaW5nIHNnIHNlZ21l bnQgd2FybmluZywgd2hpY2ggc2hvd3MgIkRNQS1BUEk6IG1hcHBpbmcKPiBzZyBzZWdtZW50IGxv bmdlciB0aGFuIGRldmljZSBjbGFpbXMgdG8gc3VwcG9ydCBbbGVuPTkyMTYwMF0gW21heD02NTUz Nl0iLgo+IEZpeGVkIGJ5IHNldHRpbmcgdGhlIG1heCBzZWdtZW50IHNpemUgYXQgS29tZWRhIGRy aXZlci4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBMb3dyeSBMaSA8bG93cnkubGlAYXJtLmNvbT4KPiAt LS0KPiAgZHJpdmVycy9ncHUvZHJtL2FybS9kaXNwbGF5L2tvbWVkYS9rb21lZGFfZGV2LmMgfCA0 ICsrKysKPiAgZHJpdmVycy9ncHUvZHJtL2FybS9kaXNwbGF5L2tvbWVkYS9rb21lZGFfZGV2Lmgg fCAxICsKPiAgMiBmaWxlcyBjaGFuZ2VkLCA1IGluc2VydGlvbnMoKykKPiAKPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2FybS9kaXNwbGF5L2tvbWVkYS9rb21lZGFfZGV2LmMgYi9kcml2 ZXJzL2dwdS9kcm0vYXJtL2Rpc3BsYXkva29tZWRhL2tvbWVkYV9kZXYuYwo+IGluZGV4IDdmMjVl NmEuLmI0OTAyYWUgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FybS9kaXNwbGF5L2tv bWVkYS9rb21lZGFfZGV2LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYXJtL2Rpc3BsYXkva29t ZWRhL2tvbWVkYV9kZXYuYwo+IEBAIC04LDYgKzgsNyBAQAo+ICAjaW5jbHVkZSA8bGludXgvb2Zf ZGV2aWNlLmg+Cj4gICNpbmNsdWRlIDxsaW51eC9vZl9ncmFwaC5oPgo+ICAjaW5jbHVkZSA8bGlu dXgvcGxhdGZvcm1fZGV2aWNlLmg+Cj4gKyNpbmNsdWRlIDxsaW51eC9kbWEtaW9tbXUuaD4KPiAg I2lmZGVmIENPTkZJR19ERUJVR19GUwo+ICAjaW5jbHVkZSA8bGludXgvZGVidWdmcy5oPgo+ICAj aW5jbHVkZSA8bGludXgvc2VxX2ZpbGUuaD4KPiBAQCAtMjQ1LDYgKzI0Niw5IEBAIHN0cnVjdCBr b21lZGFfZGV2ICprb21lZGFfZGV2X2NyZWF0ZShzdHJ1Y3QgZGV2aWNlICpkZXYpCj4gIAkJZ290 byBlcnJfY2xlYW51cDsKPiAgCX0KPiAgCj4gKwlkZXYtPmRtYV9wYXJtcyA9ICZtZGV2LT5kbWFf cGFybXM7Cj4gKwlkbWFfc2V0X21heF9zZWdfc2l6ZShkZXYsIERNQV9CSVRfTUFTSygzMikpOwo+ ICsKPiAgCWVyciA9IHN5c2ZzX2NyZWF0ZV9ncm91cCgmZGV2LT5rb2JqLCAma29tZWRhX3N5c2Zz X2F0dHJfZ3JvdXApOwo+ICAJaWYgKGVycikgewo+ICAJCURSTV9FUlJPUigiY3JlYXRlIHN5c2Zz IGdyb3VwIGZhaWxlZC5cbiIpOwo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYXJtL2Rp c3BsYXkva29tZWRhL2tvbWVkYV9kZXYuaCBiL2RyaXZlcnMvZ3B1L2RybS9hcm0vZGlzcGxheS9r b21lZGEva29tZWRhX2Rldi5oCj4gaW5kZXggMGMzZTMyYi4uZDhjZmE5MiAxMDA2NDQKPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vYXJtL2Rpc3BsYXkva29tZWRhL2tvbWVkYV9kZXYuaAo+ICsrKyBi L2RyaXZlcnMvZ3B1L2RybS9hcm0vZGlzcGxheS9rb21lZGEva29tZWRhX2Rldi5oCj4gQEAgLTE0 Niw2ICsxNDYsNyBAQCBlbnVtIHsKPiAgICovCj4gIHN0cnVjdCBrb21lZGFfZGV2IHsKPiAgCXN0 cnVjdCBkZXZpY2UgKmRldjsKPiArCXN0cnVjdCBkZXZpY2VfZG1hX3BhcmFtZXRlcnMgZG1hX3Bh cm1zOwo+ICAJdTMyIF9faW9tZW0gICAqcmVnX2Jhc2U7Cj4gIAo+ICAJc3RydWN0IGtvbWVkYV9j aGlwX2luZm8gY2hpcDsKPiAtLSAKUGxlYXNlIHJlYmFzZSBhbmQgdGVzdCB5b3VyIHBhdGNoZXMg b24gZHJtLW1pc2MtbmV4dC4gCmh0dHBzOi8vZHJtLnBhZ2VzLmZyZWVkZXNrdG9wLm9yZy9tYWlu dGFpbmVyLXRvb2xzL3JlcG9zaXRvcmllcy5odG1sCj4gMS45LjEKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmkt ZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs