From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH 05/10] drm/rcar-du/crc: Implement verify_crc_source callback Date: Tue, 10 Jul 2018 14:37:29 +0300 Message-ID: <6995405.qzNE6AT0eg@avalon> References: <20180702110729.8171-1-mahesh1.kumar@intel.com> <20180702110729.8171-6-mahesh1.kumar@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180702110729.8171-6-mahesh1.kumar@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: dri-devel@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org SGkgTWFoZXNoLAoKVGhhbmsgeW91IGZvciB0aGUgcGF0Y2guCgpPbiBNb25kYXksIDIgSnVseSAy MDE4IDE0OjA3OjI0IEVFU1QgTWFoZXNoIEt1bWFyIHdyb3RlOgo+IFRoaXMgcGF0Y2ggaW1wbGVt ZW50cyAidmVyaWZ5X2NyY19zb3VyY2UiIGNhbGxiYWNrIGZ1bmN0aW9uIGZvcgo+IHJjYXIgZHJt IGRyaXZlci4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBNYWhlc2ggS3VtYXIgPG1haGVzaDEua3VtYXJA aW50ZWwuY29tPgo+IENjOiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gUmV2aWV3 ZWQtYnk6IE1hYXJ0ZW4gTGFua2hvcnN0IDxtYWFydGVuLmxhbmtob3JzdEBsaW51eC5pbnRlbC5j b20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJfZHVfY3J0Yy5jIHwgNDAg KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICAxIGZpbGUgY2hhbmdlZCwgNDAgaW5z ZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vcmNhci1kdS9yY2Fy X2R1X2NydGMuYwo+IGIvZHJpdmVycy9ncHUvZHJtL3JjYXItZHUvcmNhcl9kdV9jcnRjLmMgaW5k ZXggMTVkYzljYWExMjhiLi4yNGVlYWE3ZTE0ZDcKPiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vcmNhci1kdS9yY2FyX2R1X2NydGMuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9yY2Fy LWR1L3JjYXJfZHVfY3J0Yy5jCj4gQEAgLTc1Niw2ICs3NTYsNDUgQEAgc3RhdGljIHZvaWQgcmNh cl9kdV9jcnRjX2Rpc2FibGVfdmJsYW5rKHN0cnVjdCBkcm1fY3J0Ywo+ICpjcnRjKSByY3J0Yy0+ dmJsYW5rX2VuYWJsZSA9IGZhbHNlOwo+ICB9Cj4gCj4gK3N0YXRpYyBpbnQgcmNhcl9kdV9jcnRj X3ZlcmlmeV9jcmNfc291cmNlKHN0cnVjdCBkcm1fY3J0YyAqY3J0YywKPiArCQkJCQkgIGNvbnN0 IGNoYXIgKnNvdXJjZV9uYW1lLAo+ICsJCQkJCSAgc2l6ZV90ICp2YWx1ZXNfY250KQo+ICt7Cj4g KwlzdHJ1Y3QgcmNhcl9kdV9jcnRjICpyY3J0YyA9IHRvX3JjYXJfY3J0YyhjcnRjKTsKPiArCXVu c2lnbmVkIGludCBpbmRleCA9IDA7Cj4gKwl1bnNpZ25lZCBpbnQgaTsKPiArCWludCByZXQ7Cj4g Kwo+ICsJLyoKPiArCSAqIFBhcnNlIHRoZSBzb3VyY2UgbmFtZS4gU3VwcG9ydGVkIHZhbHVlcyBh cmUgInBsYW5lJXUiIHRvIGNvbXB1dGUgdGhlCj4gKwkgKiBDUkMgb24gYW4gaW5wdXQgcGxhbmUg KCV1IGlzIHRoZSBwbGFuZSBJRCksIGFuZCAiYXV0byIgdG8gY29tcHV0ZSB0aGUKPiArCSAqIENS QyBvbiB0aGUgY29tcG9zZXIgKFZTUCkgb3V0cHV0Lgo+ICsJICovCj4gKwlpZiAoIXNvdXJjZV9u YW1lIHx8ICFzdHJjbXAoc291cmNlX25hbWUsICJhdXRvIikpIHsKPiArCQlnb3RvIG91dDsKPiAr CX0gZWxzZSBpZiAoc3Ryc3RhcnRzKHNvdXJjZV9uYW1lLCAicGxhbmUiKSkgewo+ICsJCXJldCA9 IGtzdHJ0b3VpbnQoc291cmNlX25hbWUgKyBzdHJsZW4oInBsYW5lIiksIDEwLCAmaW5kZXgpOwo+ ICsJCWlmIChyZXQgPCAwKQo+ICsJCQlyZXR1cm4gcmV0Owo+ICsKPiArCQlmb3IgKGkgPSAwOyBp IDwgcmNydGMtPnZzcC0+bnVtX3BsYW5lczsgKytpKSB7Cj4gKwkJCWlmIChpbmRleCA9PSByY3J0 Yy0+dnNwLT5wbGFuZXNbaV0ucGxhbmUuYmFzZS5pZCkgewo+ICsJCQkJaW5kZXggPSBpOwo+ICsJ CQkJYnJlYWs7Cj4gKwkJCX0KPiArCQl9Cj4gKwo+ICsJCWlmIChpID49IHJjcnRjLT52c3AtPm51 bV9wbGFuZXMpCj4gKwkJCXJldHVybiAtRUlOVkFMOwo+ICsJfSBlbHNlIHsKPiArCQlyZXR1cm4g LUVJTlZBTDsKPiArCX0KPiArCj4gK291dDoKPiArCSp2YWx1ZXNfY250ID0gMTsKPiArCXJldHVy biAwOwoKVGhpcyBkdXBsaWNhdGVzIGxvdHMgb2YgY29kZSBmcm9tIHRoZSByY2FyX2R1X2NydGNf c2V0X2NyY19zb3VyY2UoKSBmdW5jdGlvbi4gCkNvdWxkIHlvdSBwbGVhc2UgZXh0cmFjdCBpdCB0 byBhIHNoYXJlZCBmdW5jdGlvbiA/CgpDb3VsZCB5b3UgcGxlYXNlIGFsc28gaW1wbGVtZW50IHN1 cHBvcnQgZm9yIHRoZSAuZ2V0X2NyY19zb3VyY2VzKCkgb3BlcmF0aW9uID8gCkkgdGhpbmsgZG9p bmcgc28gbWlnaHQgc2hvdyBsaW1pdGF0aW9ucyBpbiB0aGUgY3VycmVudCBBUEksIG5hbWVseSB0 aGUgZmFjdCAKdGhhdCB0aGUgbGlzdCB3aWxsIG5lZWQgdG8gYmUgZHluYW1pY2FsbHkgY3JlYXRl ZCBmb3IgdGhpcyBkcml2ZXIuCgo+ICt9Cj4gKwo+ICBzdGF0aWMgaW50IHJjYXJfZHVfY3J0Y19z ZXRfY3JjX3NvdXJjZShzdHJ1Y3QgZHJtX2NydGMgKmNydGMsCj4gIAkJCQkgICAgICAgY29uc3Qg Y2hhciAqc291cmNlX25hbWUsCj4gIAkJCQkgICAgICAgc2l6ZV90ICp2YWx1ZXNfY250KQo+IEBA IC04NjEsNiArOTAwLDcgQEAgc3RhdGljIGNvbnN0IHN0cnVjdCBkcm1fY3J0Y19mdW5jcyBjcnRj X2Z1bmNzX2dlbjMgPSB7Cj4gIAkuZW5hYmxlX3ZibGFuayA9IHJjYXJfZHVfY3J0Y19lbmFibGVf dmJsYW5rLAo+ICAJLmRpc2FibGVfdmJsYW5rID0gcmNhcl9kdV9jcnRjX2Rpc2FibGVfdmJsYW5r LAo+ICAJLnNldF9jcmNfc291cmNlID0gcmNhcl9kdV9jcnRjX3NldF9jcmNfc291cmNlLAo+ICsJ LnZlcmlmeV9jcmNfc291cmNlID0gcmNhcl9kdV9jcnRjX3ZlcmlmeV9jcmNfc291cmNlLAo+ICB9 Owo+IAo+ICAvKiAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KCi0tIApSZWdhcmRzLAoKTGF1cmVudCBQaW5jaGFy dAoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK