From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH 2/2] drm/i915: Skip switch to kernel context if already done Date: Tue, 10 Jan 2017 12:06:06 +0000 Message-ID: <20170110120606.820-2-chris@chris-wilson.co.uk> References: <20170110120606.820-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x244.google.com (mail-wm0-x244.google.com [IPv6:2a00:1450:400c:c09::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 084C86E678 for ; Tue, 10 Jan 2017 12:06:12 +0000 (UTC) Received: by mail-wm0-x244.google.com with SMTP id r144so20419582wme.0 for ; Tue, 10 Jan 2017 04:06:11 -0800 (PST) In-Reply-To: <20170110120606.820-1-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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org U29tZSBlbmdpbmVzIGFyZSBuZXZlciB1c2VyIG9yIGFscmVhZHkgc2l0dGluZyBpZGxlIGluIHRo ZSBrZXJuZWwKY29udGV4dCBhbmQgZm9yIHRob3NlIHdlIGNhbiBza2lwIGZsdXNoaW5nIHRoZSBj dXJyZW50IGNvbnRleHQgZm9yCmk5MTVfZ2VtX3N3aXRjaF90b19rZXJuZWxfY29udGV4dCgpLiBX ZSB1c2VkIHRvIHBlcmZvcm0gdGhpcwpvcHRpbWlzYXRpb24gYnV0IHRoYXQgd2FzIHJlbW92ZWQg Zm9yIGNvbnZlbmllbmNlIG9mIGNvbnZlcnRpbmcgb3ZlciB0bwptdWx0aXBsZSB0aW1lbGluZXMg YW5kIGhhbmRsaW5nIHRoZSBwZW5kaW5nIHJlcXVlc3QgcXVldWVzLgoKRnJvbSB0aGUgcGVyc3Bl Y3RpdmUgb2Ygd3JpdGluZyBzZWxmdGVzdHMsIHJlZHVjaW5nIHRoZSBudW1iZXIgb2YKYmFja2dy b3VuZCBvcGVyYXRpb25zIG9uIHRoZSBlbmdpbmVzIG1ha2VzIGRlZmluaW5nIGFzc2VydGlvbnMg ZWFzaWVyLgoKU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24u Y28udWs+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyAgICAgICAgIHwgIDMg KystCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9jb250ZXh0LmMgfCAyNSArKysrKysr KysrKysrKysrKysrKysrKysrCiAyIGZpbGVzIGNoYW5nZWQsIDI3IGluc2VydGlvbnMoKyksIDEg ZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5j IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwppbmRleCBkYzRjNzNjYTA3ZTEuLjMw NTBiNGVlZDQ5NCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwor KysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCkBAIC00MTQ0LDcgKzQxNDQsOCBA QCBzdGF0aWMgdm9pZCBhc3NlcnRfa2VybmVsX2NvbnRleHRfaXNfY3VycmVudChzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCiAJZW51bSBpbnRlbF9lbmdpbmVfaWQgaWQ7CiAKIAlm b3JfZWFjaF9lbmdpbmUoZW5naW5lLCBkZXZfcHJpdiwgaWQpCi0JCUdFTV9CVUdfT04oIWk5MTVf Z2VtX2NvbnRleHRfaXNfa2VybmVsKGVuZ2luZS0+bGFzdF9yZXRpcmVkX2NvbnRleHQpKTsKKwkJ R0VNX0JVR19PTighKGVuZ2luZS0+bGFzdF9yZXRpcmVkX2NvbnRleHQgPT0gTlVMTCB8fAorCQkJ ICAgICBpOTE1X2dlbV9jb250ZXh0X2lzX2tlcm5lbChlbmdpbmUtPmxhc3RfcmV0aXJlZF9jb250 ZXh0KSkpOwogfQogCiBpbnQgaTkxNV9nZW1fc3VzcGVuZChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0 ZSAqZGV2X3ByaXYpCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9j b250ZXh0LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9jb250ZXh0LmMKaW5kZXgg NDBhNjkzOWUzOTU2Li5hOGY2Yjg4NDNiZGYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtX2NvbnRleHQuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dl bV9jb250ZXh0LmMKQEAgLTg5Nyw2ICs4OTcsMjYgQEAgaW50IGk5MTVfc3dpdGNoX2NvbnRleHQo c3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpyZXEpCiAJcmV0dXJuIGRvX3Jjc19zd2l0Y2go cmVxKTsKIH0KIAorc3RhdGljIGJvb2wgZW5naW5lX2hhc19rZXJuZWxfY29udGV4dChzdHJ1Y3Qg aW50ZWxfZW5naW5lX2NzICplbmdpbmUpCit7CisJc3RydWN0IGk5MTVfZ2VtX3RpbWVsaW5lICp0 aW1lbGluZTsKKworCWxpc3RfZm9yX2VhY2hfZW50cnkodGltZWxpbmUsICZlbmdpbmUtPmk5MTUt Pmd0LnRpbWVsaW5lcywgbGluaykgeworCQlzdHJ1Y3QgaW50ZWxfdGltZWxpbmUgKnRsOworCisJ CWlmICh0aW1lbGluZSA9PSAmZW5naW5lLT5pOTE1LT5ndC5nbG9iYWxfdGltZWxpbmUpCisJCQlj b250aW51ZTsKKworCQl0bCA9ICZ0aW1lbGluZS0+ZW5naW5lW2VuZ2luZS0+aWRdOworCQlpZiAo aTkxNV9nZW1fYWN0aXZlX3BlZWsoJnRsLT5sYXN0X3JlcXVlc3QsCisJCQkJCSAmZW5naW5lLT5p OTE1LT5kcm0uc3RydWN0X211dGV4KSkKKwkJCXJldHVybiBmYWxzZTsKKwl9CisKKwlyZXR1cm4g KGVuZ2luZS0+bGFzdF9yZXRpcmVkX2NvbnRleHQgPT0gTlVMTCB8fAorCQlpOTE1X2dlbV9jb250 ZXh0X2lzX2tlcm5lbChlbmdpbmUtPmxhc3RfcmV0aXJlZF9jb250ZXh0KSk7Cit9CisKIGludCBp OTE1X2dlbV9zd2l0Y2hfdG9fa2VybmVsX2NvbnRleHQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUg KmRldl9wcml2KQogewogCXN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZTsKQEAgLTkwNSwx MCArOTI1LDE1IEBAIGludCBpOTE1X2dlbV9zd2l0Y2hfdG9fa2VybmVsX2NvbnRleHQoc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQogCiAJbG9ja2RlcF9hc3NlcnRfaGVsZCgmZGV2 X3ByaXYtPmRybS5zdHJ1Y3RfbXV0ZXgpOwogCisJaTkxNV9nZW1fcmV0aXJlX3JlcXVlc3RzKGRl dl9wcml2KTsKKwogCWZvcl9lYWNoX2VuZ2luZShlbmdpbmUsIGRldl9wcml2LCBpZCkgewogCQlz dHJ1Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcTsKIAkJaW50IHJldDsKIAorCQlpZiAoZW5n aW5lX2hhc19rZXJuZWxfY29udGV4dChlbmdpbmUpKQorCQkJY29udGludWU7CisKIAkJcmVxID0g aTkxNV9nZW1fcmVxdWVzdF9hbGxvYyhlbmdpbmUsIGRldl9wcml2LT5rZXJuZWxfY29udGV4dCk7 CiAJCWlmIChJU19FUlIocmVxKSkKIAkJCXJldHVybiBQVFJfRVJSKHJlcSk7Ci0tIAoyLjExLjAK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdm eCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=