From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH] drm/i915: Always wrap the ring offset before resetting Date: Fri, 16 Aug 2019 20:33:49 +0100 Message-ID: <20190816193349.32598-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id E87C56E995 for ; Fri, 16 Aug 2019 19:33:55 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org V2Ugd2VyZSBwYXNzaW5nIGluIGFuIHVud3JhcHBlZCBvZmZzZXQgaW50byBpbnRlbF9yaW5nX3Jl c2V0KCkgb24KdW5waW5uaW5nLiBTb29uZXIgb3IgbGF0ZXIgdGhhdCBoYWQgdG8gbGFuZCBvbiBy aW5nLT5zaXplLgoKPDM+IFszMTQuODcyMTQ3XSBpbnRlbF9yaW5nX3Jlc2V0OjEyMzcgR0VNX0JV R19PTighaW50ZWxfcmluZ19vZmZzZXRfdmFsaWQocmluZywgdGFpbCkpCjw0PiBbMzE0Ljg3MjI3 Ml0gLS0tLS0tLS0tLS0tWyBjdXQgaGVyZSBdLS0tLS0tLS0tLS0tCjwyPiBbMzE0Ljg3MjI3Nl0g a2VybmVsIEJVRyBhdCBkcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9yaW5nYnVmZmVyLmM6 MTIzNyEKPDQ+IFszMTQuODcyMzIwXSBpbnZhbGlkIG9wY29kZTogMDAwMCBbIzFdIFBSRUVNUFQg U01QIFBUSQo8ND4gWzMxNC44NzIzMzFdIENQVTogMSBQSUQ6IDM0NjYgQ29tbTogaTkxNV9zZWxm dGVzdCBUYWludGVkOiBHICAgICBVICAgICAgICAgICAgNS4zLjAtcmM0LUNJLVBhdGNod29ya18x NDA2MSsgIzEKPDQ+IFszMTQuODcyMzQ2XSBIYXJkd2FyZSBuYW1lOiBIZXdsZXR0LVBhY2thcmQg SFAgQ29tcGFxIDgwMDAgRWxpdGUgQ01UIFBDLzM2NDdoLCBCSU9TIDc4Nkc3IHYwMS4wMiAxMC8y Mi8yMDA5Cjw0PiBbMzE0Ljg3MjQ3N10gUklQOiAwMDEwOmludGVsX3JpbmdfcmVzZXQrMHg1MS8w eDcwIFtpOTE1XQo8ND4gWzMxNC44NzI0ODddIENvZGU6IDllIGRiIDUxIGUwIDQ4IDhiIDM1IGI2 IGM3IDIyIDAwIDQ5IGM3IGMwIGY4IGQ5IGQ2IGEwIGI5IGQ1IDA0IDAwIDAwIDQ4IGM3IGMyIDcw IDViIGQ0IGEwIDQ4IGM3IGM3IDZjIGZjIGMwIGEwIGU4IGNmIGJlIDU4IGUwIDwwZj4gMGIgODkg NzcgMjAgODkgNzcgMWMgODkgNzcgMjQgZTkgNGYgZWQgZmYgZmYgMGYgMWYgNDQgMDAgMDAgNjYK PDQ+IFszMTQuODcyNTEyXSBSU1A6IDAwMTg6ZmZmZmM5MDAwMDM0ZmE5OCBFRkxBR1M6IDAwMDEw MjgyCjw0PiBbMzE0Ljg3MjUyM10gUkFYOiAwMDAwMDAwMDAwMDAwMDEwIFJCWDogZmZmZjg4ODEw MTk0MTJjOCBSQ1g6IDAwMDAwMDAwMDAwMDAwMDAKPDQ+IFszMTQuODcyNTM0XSBSRFg6IDAwMDAw MDAwMDAwMDAwMDEgUlNJOiAwMDAwMDAwMDAwMDAwMDA4IFJESTogMDAwMDAwMDAwMDAwMGYyMAo8 ND4gWzMxNC44NzI1NDVdIFJCUDogZmZmZjg4ODEwNGUwZjc0MCBSMDg6IDAwMDAwMDAwMDAwMDAw MDAgUjA5OiAwMDAwMDAwMDAwMDAwZjIwCjw0PiBbMzE0Ljg3MjU1N10gUjEwOiAwMDAwMDAwMDAw MDAwMDAwIFIxMTogZmZmZjg4ODExNzA5NDUxOCBSMTI6IGZmZmZmZmZmYTBkM2QyYzAKPDQ+IFsz MTQuODcyNTY5XSBSMTM6IGZmZmZmZmZmYTBlMmEyNTAgUjE0OiBmZmZmZmZmZmEwZTJhMWUwIFIx NTogZmZmZmM5MDAwMDM0ZmU4OAo8ND4gWzMxNC44NzI1ODFdIEZTOiAgMDAwMDdmZTZkNDlmNmU0 MCgwMDAwKSBHUzpmZmZmODg4MTE3YTgwMDAwKDAwMDApIGtubEdTOjAwMDAwMDAwMDAwMDAwMDAK PDQ+IFszMTQuODcyNTk1XSBDUzogIDAwMTAgRFM6IDAwMDAgRVM6IDAwMDAgQ1IwOiAwMDAwMDAw MDgwMDUwMDMzCjw0PiBbMzE0Ljg3MjYwNV0gQ1IyOiAwMDAwNTVlMzI4M2U5Y2M4IENSMzogMDAw MDAwMDEwODg0MjAwMCBDUjQ6IDAwMDAwMDAwMDAwNDA2ZTAKPDQ+IFszMTQuODcyNjE2XSBDYWxs IFRyYWNlOgo8ND4gWzMxNC44NzI3MDFdICBpbnRlbF9yaW5nX3VucGluKzB4MWEvMHgyMjAgW2k5 MTVdCjw0PiBbMzE0Ljg3Mjc4N10gIHJpbmdfZGVzdHJveSsweDQ4LzB4YzAgW2k5MTVdCjw0PiBb MzE0Ljg3Mjg3MF0gIGludGVsX2VuZ2luZXNfY2xlYW51cCsweDI0LzB4NDAgW2k5MTVdCjw0PiBb MzE0Ljg3Mjk2NF0gIGk5MTVfZ2VtX2RyaXZlcl9yZWxlYXNlKzB4MWIvMHhmMCBbaTkxNV0KPDQ+ IFszMTQuODcyOTg0XSAgaTkxNV9kcml2ZXJfcmVsZWFzZSsweDFjLzB4ODAgW2k5MTVdCgpTaWdu ZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KLS0tCiBk cml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9yaW5nYnVmZmVyLmMgfCAzICstLQogMSBmaWxl IGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAyIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2d0L2ludGVsX3JpbmdidWZmZXIuYyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2d0L2ludGVsX3JpbmdidWZmZXIuYwppbmRleCAxZDljMTI1Yjc2ZDAuLjYwMWMxNjIz OWZkZiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZ3QvaW50ZWxfcmluZ2J1ZmZl ci5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2ludGVsX3JpbmdidWZmZXIuYwpAQCAt MTIzNCw4ICsxMjM0LDcgQEAgaW50IGludGVsX3JpbmdfcGluKHN0cnVjdCBpbnRlbF9yaW5nICpy aW5nKQogCiB2b2lkIGludGVsX3JpbmdfcmVzZXQoc3RydWN0IGludGVsX3JpbmcgKnJpbmcsIHUz MiB0YWlsKQogewotCUdFTV9CVUdfT04oIWludGVsX3Jpbmdfb2Zmc2V0X3ZhbGlkKHJpbmcsIHRh aWwpKTsKLQorCXRhaWwgPSBpbnRlbF9yaW5nX3dyYXAocmluZywgdGFpbCk7CiAJcmluZy0+dGFp bCA9IHRhaWw7CiAJcmluZy0+aGVhZCA9IHRhaWw7CiAJcmluZy0+ZW1pdCA9IHRhaWw7Ci0tIAoy LjIzLjAucmMxCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=