From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH 1/2] drm/i915/execlists: Delay updating ring register state after resume Date: Thu, 16 Aug 2018 12:11:48 +0100 Message-ID: <20180816111149.31403-1-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 7DB8F6E179 for ; Thu, 16 Aug 2018 11:12:33 +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 Tm93IHRoYXQgd2UgcmVsb2FkIGJvdGggUklOR19IRUFEIGFuZCBSSU5HX1RBSUwgd2hlbiByZWJp bmRpbmcgdGhlCmNvbnRleHQsIHdlIGRvIG5vdCBuZWVkIHRvIHNjcnViIHRob3NlIHJlZ2lzdGVy cyBpbW1lZGlhdGVseSBvbiByZXN1bWUuCgp2MjogSGFuZGxlIHRoZSBwZXJtYS1waW5uZWQgY29u dGV4dHMuCgpTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5j by51az4KQ2M6IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+CkNjOiBN aWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYyB8IDI5ICsrKysrKysrKysrLS0tLS0tLS0tLS0tLS0t LS0tCiAxIGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgMTggZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9scmMuYwppbmRleCA4NDE4OTVjZmIwNWYuLjM2MzI1MjFhNWZiMiAx MDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKQEAgLTI3NzUsMTMgKzI3NzUsMTQgQEAgc3RhdGlj IGludCBleGVjbGlzdHNfY29udGV4dF9kZWZlcnJlZF9hbGxvYyhzdHJ1Y3QgaTkxNV9nZW1fY29u dGV4dCAqY3R4LAogCXJldHVybiByZXQ7CiB9CiAKLXZvaWQgaW50ZWxfbHJfY29udGV4dF9yZXN1 bWUoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQordm9pZCBpbnRlbF9scl9jb250 ZXh0X3Jlc3VtZShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSkKIHsKIAlzdHJ1Y3QgaW50 ZWxfZW5naW5lX2NzICplbmdpbmU7CiAJc3RydWN0IGk5MTVfZ2VtX2NvbnRleHQgKmN0eDsKIAll bnVtIGludGVsX2VuZ2luZV9pZCBpZDsKIAotCS8qIEJlY2F1c2Ugd2UgZW1pdCBXQV9UQUlMX0RX T1JEUyB0aGVyZSBtYXkgYmUgYSBkaXNwYXJpdHkKKwkvKgorCSAqIEJlY2F1c2Ugd2UgZW1pdCBX QV9UQUlMX0RXT1JEUyB0aGVyZSBtYXkgYmUgYSBkaXNwYXJpdHkKIAkgKiBiZXR3ZWVuIG91ciBi b29ra2VlcGluZyBpbiBjZS0+cmluZy0+aGVhZCBhbmQgY2UtPnJpbmctPnRhaWwgYW5kCiAJICog dGhhdCBzdG9yZWQgaW4gY29udGV4dC4gQXMgd2Ugb25seSB3cml0ZSBuZXcgY29tbWFuZHMgZnJv bQogCSAqIGNlLT5yaW5nLT50YWlsIG9ud2FyZHMsIGV2ZXJ5dGhpbmcgYmVmb3JlIHRoYXQgaXMg anVuay4gSWYgdGhlIEdQVQpAQCAtMjc5MSwyOCArMjc5MiwyMCBAQCB2b2lkIGludGVsX2xyX2Nv bnRleHRfcmVzdW1lKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKIAkgKiBTbyB0 byBhdm9pZCB0aGF0IHdlIHJlc2V0IHRoZSBjb250ZXh0IGltYWdlcyB1cG9uIHJlc3VtZS4gRm9y CiAJICogc2ltcGxpY2l0eSwgd2UganVzdCB6ZXJvIGV2ZXJ5dGhpbmcgb3V0LgogCSAqLwotCWxp c3RfZm9yX2VhY2hfZW50cnkoY3R4LCAmZGV2X3ByaXYtPmNvbnRleHRzLmxpc3QsIGxpbmspIHsK LQkJZm9yX2VhY2hfZW5naW5lKGVuZ2luZSwgZGV2X3ByaXYsIGlkKSB7CisJbGlzdF9mb3JfZWFj aF9lbnRyeShjdHgsICZpOTE1LT5jb250ZXh0cy5saXN0LCBsaW5rKSB7CisJCWZvcl9lYWNoX2Vu Z2luZShlbmdpbmUsIGk5MTUsIGlkKSB7CiAJCQlzdHJ1Y3QgaW50ZWxfY29udGV4dCAqY2UgPQog CQkJCXRvX2ludGVsX2NvbnRleHQoY3R4LCBlbmdpbmUpOwotCQkJdTMyICpyZWc7Ci0KLQkJCWlm ICghY2UtPnN0YXRlKQotCQkJCWNvbnRpbnVlOwogCi0JCQlyZWcgPSBpOTE1X2dlbV9vYmplY3Rf cGluX21hcChjZS0+c3RhdGUtPm9iaiwKLQkJCQkJCSAgICAgIEk5MTVfTUFQX1dCKTsKLQkJCWlm IChXQVJOX09OKElTX0VSUihyZWcpKSkKKwkJCWlmICghY2UtPnJpbmcpCiAJCQkJY29udGludWU7 CiAKLQkJCXJlZyArPSBMUkNfU1RBVEVfUE4gKiBQQUdFX1NJWkUgLyBzaXplb2YoKnJlZyk7Ci0J CQlyZWdbQ1RYX1JJTkdfSEVBRCsxXSA9IDA7Ci0JCQlyZWdbQ1RYX1JJTkdfVEFJTCsxXSA9IDA7 Ci0KLQkJCWNlLT5zdGF0ZS0+b2JqLT5tbS5kaXJ0eSA9IHRydWU7Ci0JCQlpOTE1X2dlbV9vYmpl Y3RfdW5waW5fbWFwKGNlLT5zdGF0ZS0+b2JqKTsKLQogCQkJaW50ZWxfcmluZ19yZXNldChjZS0+ cmluZywgMCk7CisKKwkJCWlmIChjZS0+cGluX2NvdW50KSB7IC8qIG90aGVyd2lzZSBkb25lIGlu IGNvbnRleHRfcGluICovCisJCQkJY2UtPmxyY19yZWdfc3RhdGVbQ1RYX1JJTkdfSEVBRCsxXSA9 IDA7CisJCQkJY2UtPmxyY19yZWdfc3RhdGVbQ1RYX1JJTkdfVEFJTCsxXSA9IDA7CisJCQl9CiAJ CX0KIAl9CiB9Ci0tIAoyLjE4LjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2ludGVsLWdmeAo=