From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH] drm/i915: Avoid GPU stalls from kswapd Date: Fri, 19 Jun 2015 14:04:16 +0100 Message-ID: <1434719056-30119-1-git-send-email-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 [87.106.93.118]) by gabe.freedesktop.org (Postfix) with ESMTP id 400486E4B5 for ; Fri, 19 Jun 2015 06:04:25 -0700 (PDT) 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 RXhjbHVkZSBhY3RpdmUgR1BVIHBhZ2VzIGZyb20gdGhlIHB1cnZpZXcgb2YgdGhlIGJhY2tncm91 bmQgc2hyaW5rZXIKKGtzd2FwZCksIGFzIHRoZXNlIGNhdXNlIHVuY29udHJvbGxhYmxlIEdQVSBz dGFsbHMuIEdpdmVuIHRoYXQgdGhlCnNocmlua2VyIGlzIHJlcnVuIHVudGlsIHRoZSBmcmVlbGlz dHMgYXJlIHNhdGlzZmllZCwgd2Ugc2hvdWxkIGhhdmUKb3Bwb3J0dW5pdHkgaW4gc3Vic2VxdWVu dCBwYXNzZXMgdG8gcmVjb3ZlciB0aGUgcGFnZXMgb25jZSBpZGxlLiBJZiB0aGUKbWFjaGluZSBk b2VzIHJ1biBvdXQgb2YgbWVtb3J5IGVudGlyZWx5LCB3ZSBoYXZlIHRoZSBmb3JjZWQgaWRsaW5n IGluIHRoZQpvb20tbm90aWZpZXIgYXMgYSBtZWFucyBvZiByZWxlYXNpbmcgYWxsIHRoZSBwYWdl cyB3ZSBjYW4gYmVmb3JlIGFuIG9vbQppcyBwcmVtYXR1cmVseSBleGVjdXRlZC4KClNpZ25lZC1v ZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgotLS0KIGRyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggICAgICAgICAgfCAxICsKIGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZ2VtX3Nocmlua2VyLmMgfCA4ICsrKysrKy0tCiAyIGZpbGVzIGNoYW5nZWQs IDcgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1X2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaApp bmRleCA3MWY0Y2E1MDg4ZTIuLmUwZGNkMDE4Mzc5ZiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9kcnYuaAorKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5o CkBAIC0zMTg1LDYgKzMxODUsNyBAQCB1bnNpZ25lZCBsb25nIGk5MTVfZ2VtX3NocmluayhzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCiAjZGVmaW5lIEk5MTVfU0hSSU5LX1BVUkdF QUJMRSAweDEKICNkZWZpbmUgSTkxNV9TSFJJTktfVU5CT1VORCAweDIKICNkZWZpbmUgSTkxNV9T SFJJTktfQk9VTkQgMHg0CisjZGVmaW5lIEk5MTVfU0hSSU5LX0FDVElWRSAweDgKIHVuc2lnbmVk IGxvbmcgaTkxNV9nZW1fc2hyaW5rX2FsbChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYpOwogdm9pZCBpOTE1X2dlbV9zaHJpbmtlcl9pbml0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRl ICpkZXZfcHJpdik7CiAKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2Vt X3Nocmlua2VyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9zaHJpbmtlci5jCmlu ZGV4IGJkMWNmOTIxYWVhZC4uOGQyNWVjOGE2NTU5IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2dlbV9zaHJpbmtlci5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfZ2VtX3Nocmlua2VyLmMKQEAgLTEyMyw2ICsxMjMsMTAgQEAgaTkxNV9nZW1fc2hyaW5rKHN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKIAkJCSAgICBvYmotPm1hZHYgIT0gSTkx NV9NQURWX0RPTlRORUVEKQogCQkJCWNvbnRpbnVlOwogCisJCQlpZiAoKGZsYWdzICYgSTkxNV9T SFJJTktfQUNUSVZFKSA9PSAwICYmCisJCQkgICAgb2JqLT5hY3RpdmUpCisJCQkJY29udGludWU7 CisKIAkJCWRybV9nZW1fb2JqZWN0X3JlZmVyZW5jZSgmb2JqLT5iYXNlKTsKIAogCQkJLyogRm9y IHRoZSB1bmJvdW5kIHBoYXNlLCB0aGlzIHNob3VsZCBiZSBhIG5vLW9wISAqLwpAQCAtMTY2LDcg KzE3MCw3IEBAIHVuc2lnbmVkIGxvbmcgaTkxNV9nZW1fc2hyaW5rX2FsbChzdHJ1Y3QgZHJtX2k5 MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCiAJaTkxNV9nZW1fcmV0aXJlX3JlcXVlc3RzKGRldl9wcml2 LT5kZXYpOwogCiAJcmV0dXJuIGk5MTVfZ2VtX3NocmluayhkZXZfcHJpdiwgTE9OR19NQVgsCi0J CQkgICAgICAgSTkxNV9TSFJJTktfQk9VTkQgfCBJOTE1X1NIUklOS19VTkJPVU5EKTsKKwkJCSAg ICAgICBJOTE1X1NIUklOS19CT1VORCB8IEk5MTVfU0hSSU5LX1VOQk9VTkQgfCBJOTE1X1NIUklO S19BQ1RJVkUpOwogfQogCiBzdGF0aWMgYm9vbCBpOTE1X2dlbV9zaHJpbmtlcl9sb2NrKHN0cnVj dCBkcm1fZGV2aWNlICpkZXYsIGJvb2wgKnVubG9jaykKQEAgLTIyMSw3ICsyMjUsNyBAQCBpOTE1 X2dlbV9zaHJpbmtlcl9jb3VudChzdHJ1Y3Qgc2hyaW5rZXIgKnNocmlua2VyLCBzdHJ1Y3Qgc2hy aW5rX2NvbnRyb2wgKnNjKQogCQkJY291bnQgKz0gb2JqLT5iYXNlLnNpemUgPj4gUEFHRV9TSElG VDsKIAogCWxpc3RfZm9yX2VhY2hfZW50cnkob2JqLCAmZGV2X3ByaXYtPm1tLmJvdW5kX2xpc3Qs IGdsb2JhbF9saXN0KSB7Ci0JCWlmIChvYmotPnBhZ2VzX3Bpbl9jb3VudCA9PSBudW1fdm1hX2Jv dW5kKG9iaikpCisJCWlmICghb2JqLT5hY3RpdmUgJiYgb2JqLT5wYWdlc19waW5fY291bnQgPT0g bnVtX3ZtYV9ib3VuZChvYmopKQogCQkJY291bnQgKz0gb2JqLT5iYXNlLnNpemUgPj4gUEFHRV9T SElGVDsKIAl9CiAKLS0gCjIuMS40CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2ludGVsLWdmeAo=