From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH v2] drm: Refactor vblank sequence number comparison Date: Wed, 22 Mar 2017 10:06:50 +0000 Message-ID: <20170322100650.26082-1-chris@chris-wilson.co.uk> References: <20170317202030.24410-3-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170317202030.24410-3-chris@chris-wilson.co.uk> 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: Daniel Vetter , intel-gfx@lists.freedesktop.org, =?UTF-8?q?Michel=20D=C3=A4nzer?= List-Id: dri-devel@lists.freedesktop.org TW92ZSB0aGUgcmVwZWF0ZWQgKGEgLSBiKSA8PSAoMSA8PCAyMykgdG8gaXRzIG93biBmdW5jdGlv bi4KCnYyOiBDYXRjaCB0aGUgJzE8PDIzJyBpbnNpZGUgZHJtX2hhbmRsZV92YmxhbmsoKSBhcyB3 ZWxsCgpTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51 az4KQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+CkNj OiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNoPgpDYzogTWljaGVsIETDpG56 ZXIgPG1pY2hlbEBkYWVuemVyLm5ldD4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vZHJtX2lycS5jIHwg MTYgKysrKysrKysrKy0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDYg ZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9pcnEuYyBiL2Ry aXZlcnMvZ3B1L2RybS9kcm1faXJxLmMKaW5kZXggYTE2NGNmNTFkMDkzLi45ZWZlMWVhY2FiZTcg MTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1faXJxLmMKKysrIGIvZHJpdmVycy9ncHUv ZHJtL2RybV9pcnEuYwpAQCAtMTQ5Miw2ICsxNDkyLDExIEBAIGludCBkcm1fbGVnYWN5X21vZGVz ZXRfY3RsKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHZvaWQgKmRhdGEsCiAJcmV0dXJuIDA7CiB9 CiAKK3N0YXRpYyBpbmxpbmUgYm9vbCB2YmxhbmtfcGFzc2VkKHUzMiBzZXEsIHUzMiByZWYpCit7 CisJcmV0dXJuIChzZXEgLSByZWYpIDw9ICgxIDw8IDIzKTsKK30KKwogc3RhdGljIGludCBkcm1f cXVldWVfdmJsYW5rX2V2ZW50KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHVuc2lnbmVkIGludCBw aXBlLAogCQkJCSAgdW5pb24gZHJtX3dhaXRfdmJsYW5rICp2Ymx3YWl0LAogCQkJCSAgc3RydWN0 IGRybV9maWxlICpmaWxlX3ByaXYpCkBAIC0xNTQyLDcgKzE1NDcsNyBAQCBzdGF0aWMgaW50IGRy bV9xdWV1ZV92YmxhbmtfZXZlbnQoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgdW5zaWduZWQgaW50 IHBpcGUsCiAJCQkJICAgICAgdmJsd2FpdC0+cmVxdWVzdC5zZXF1ZW5jZSk7CiAKIAllLT5ldmVu dC5zZXF1ZW5jZSA9IHZibHdhaXQtPnJlcXVlc3Quc2VxdWVuY2U7Ci0JaWYgKChzZXEgLSB2Ymx3 YWl0LT5yZXF1ZXN0LnNlcXVlbmNlKSA8PSAoMSA8PCAyMykpIHsKKwlpZiAodmJsYW5rX3Bhc3Nl ZChzZXEsIHZibHdhaXQtPnJlcXVlc3Quc2VxdWVuY2UpKSB7CiAJCWRybV92YmxhbmtfcHV0KGRl diwgcGlwZSk7CiAJCXNlbmRfdmJsYW5rX2V2ZW50KGRldiwgZSwgc2VxLCAmbm93KTsKIAkJdmJs d2FpdC0+cmVwbHkuc2VxdWVuY2UgPSBzZXE7CkBAIC0xNjMyLDkgKzE2MzcsOCBAQCBpbnQgZHJt X3dhaXRfdmJsYW5rKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHZvaWQgKmRhdGEsCiAJfQogCiAJ aWYgKChmbGFncyAmIF9EUk1fVkJMQU5LX05FWFRPTk1JU1MpICYmCi0JICAgIChzZXEgLSB2Ymx3 YWl0LT5yZXF1ZXN0LnNlcXVlbmNlKSA8PSAoMSA8PCAyMykpIHsKKwkgICAgdmJsYW5rX3Bhc3Nl ZChzZXEsIHZibHdhaXQtPnJlcXVlc3Quc2VxdWVuY2UpKQogCQl2Ymx3YWl0LT5yZXF1ZXN0LnNl cXVlbmNlID0gc2VxICsgMTsKLQl9CiAKIAlpZiAoZmxhZ3MgJiBfRFJNX1ZCTEFOS19FVkVOVCkg ewogCQkvKiBtdXN0IGhvbGQgb24gdG8gdGhlIHZibGFuayByZWYgdW50aWwgdGhlIGV2ZW50IGZp cmVzCkBAIC0xNjQ3LDggKzE2NTEsOCBAQCBpbnQgZHJtX3dhaXRfdmJsYW5rKHN0cnVjdCBkcm1f ZGV2aWNlICpkZXYsIHZvaWQgKmRhdGEsCiAJCURSTV9ERUJVRygid2FpdGluZyBvbiB2Ymxhbmsg Y291bnQgJXUsIGNydGMgJXVcbiIsCiAJCQkgIHZibHdhaXQtPnJlcXVlc3Quc2VxdWVuY2UsIHBp cGUpOwogCQlEUk1fV0FJVF9PTihyZXQsIHZibGFuay0+cXVldWUsIDMgKiBIWiwKLQkJCSAgICAo ZHJtX3ZibGFua19jb3VudChkZXYsIHBpcGUpIC0KLQkJCSAgICAgdmJsd2FpdC0+cmVxdWVzdC5z ZXF1ZW5jZSkgPD0gKDEgPDwgMjMpIHx8CisJCQkgICAgdmJsYW5rX3Bhc3NlZChkcm1fdmJsYW5r X2NvdW50KGRldiwgcGlwZSksCisJCQkJCSAgdmJsd2FpdC0+cmVxdWVzdC5zZXF1ZW5jZSkgfHwK IAkJCSAgICAhUkVBRF9PTkNFKHZibGFuay0+ZW5hYmxlZCkpOwogCX0KIApAQCAtMTY4Myw3ICsx Njg3LDcgQEAgc3RhdGljIHZvaWQgZHJtX2hhbmRsZV92YmxhbmtfZXZlbnRzKHN0cnVjdCBkcm1f ZGV2aWNlICpkZXYsIHVuc2lnbmVkIGludCBwaXBlKQogCWxpc3RfZm9yX2VhY2hfZW50cnlfc2Fm ZShlLCB0LCAmZGV2LT52YmxhbmtfZXZlbnRfbGlzdCwgYmFzZS5saW5rKSB7CiAJCWlmIChlLT5w aXBlICE9IHBpcGUpCiAJCQljb250aW51ZTsKLQkJaWYgKChzZXEgLSBlLT5ldmVudC5zZXF1ZW5j ZSkgPiAoMTw8MjMpKQorCQlpZiAoIXZibGFua19wYXNzZWQoc2VxLCBlLT5ldmVudC5zZXF1ZW5j ZSkpCiAJCQljb250aW51ZTsKIAogCQlEUk1fREVCVUcoInZibGFuayBldmVudCBvbiAldSwgY3Vy cmVudCAldVxuIiwKLS0gCjIuMTEuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4Cg==