From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: Avoid GPU stalls from kswapd Date: Mon, 22 Jun 2015 16:11:01 +0200 Message-ID: <20150622141101.GJ25769@phenom.ffwll.local> References: <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 mail-wg0-f47.google.com (mail-wg0-f47.google.com [74.125.82.47]) by gabe.freedesktop.org (Postfix) with ESMTP id C05D47A006 for ; Mon, 22 Jun 2015 07:08:13 -0700 (PDT) Received: by wguu7 with SMTP id u7so70426963wgu.3 for ; Mon, 22 Jun 2015 07:08:13 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1434719056-30119-1-git-send-email-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: Chris Wilson Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKdW4gMTksIDIwMTUgYXQgMDI6MDQ6MTZQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IEV4Y2x1ZGUgYWN0aXZlIEdQVSBwYWdlcyBmcm9tIHRoZSBwdXJ2aWV3IG9mIHRoZSBi YWNrZ3JvdW5kIHNocmlua2VyCj4gKGtzd2FwZCksIGFzIHRoZXNlIGNhdXNlIHVuY29udHJvbGxh YmxlIEdQVSBzdGFsbHMuIEdpdmVuIHRoYXQgdGhlCj4gc2hyaW5rZXIgaXMgcmVydW4gdW50aWwg dGhlIGZyZWVsaXN0cyBhcmUgc2F0aXNmaWVkLCB3ZSBzaG91bGQgaGF2ZQo+IG9wcG9ydHVuaXR5 IGluIHN1YnNlcXVlbnQgcGFzc2VzIHRvIHJlY292ZXIgdGhlIHBhZ2VzIG9uY2UgaWRsZS4gSWYg dGhlCj4gbWFjaGluZSBkb2VzIHJ1biBvdXQgb2YgbWVtb3J5IGVudGlyZWx5LCB3ZSBoYXZlIHRo ZSBmb3JjZWQgaWRsaW5nIGluIHRoZQo+IG9vbS1ub3RpZmllciBhcyBhIG1lYW5zIG9mIHJlbGVh c2luZyBhbGwgdGhlIHBhZ2VzIHdlIGNhbiBiZWZvcmUgYW4gb29tCj4gaXMgcHJlbWF0dXJlbHkg ZXhlY3V0ZWQuCj4gCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13 aWxzb24uY28udWs+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggICAg ICAgICAgfCAxICsKPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fc2hyaW5rZXIuYyB8 IDggKysrKysrLS0KPiAgMiBmaWxlcyBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyksIDIgZGVsZXRp b25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2Lmgg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCj4gaW5kZXggNzFmNGNhNTA4OGUyLi5l MGRjZDAxODM3OWYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYu aAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKPiBAQCAtMzE4NSw2ICsz MTg1LDcgQEAgdW5zaWduZWQgbG9uZyBpOTE1X2dlbV9zaHJpbmsoc3RydWN0IGRybV9pOTE1X3By aXZhdGUgKmRldl9wcml2LAo+ICAjZGVmaW5lIEk5MTVfU0hSSU5LX1BVUkdFQUJMRSAweDEKPiAg I2RlZmluZSBJOTE1X1NIUklOS19VTkJPVU5EIDB4Mgo+ICAjZGVmaW5lIEk5MTVfU0hSSU5LX0JP VU5EIDB4NAo+ICsjZGVmaW5lIEk5MTVfU0hSSU5LX0FDVElWRSAweDgKPiAgdW5zaWduZWQgbG9u ZyBpOTE1X2dlbV9zaHJpbmtfYWxsKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdik7 Cj4gIHZvaWQgaTkxNV9nZW1fc2hyaW5rZXJfaW5pdChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAq ZGV2X3ByaXYpOwo+ICAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9n ZW1fc2hyaW5rZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX3Nocmlua2VyLmMK PiBpbmRleCBiZDFjZjkyMWFlYWQuLjhkMjVlYzhhNjU1OSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9zaHJpbmtlci5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9nZW1fc2hyaW5rZXIuYwo+IEBAIC0xMjMsNiArMTIzLDEwIEBAIGk5MTVfZ2Vt X3NocmluayhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4gIAkJCSAgICBvYmot Pm1hZHYgIT0gSTkxNV9NQURWX0RPTlRORUVEKQo+ICAJCQkJY29udGludWU7Cj4gIAo+ICsJCQlp ZiAoKGZsYWdzICYgSTkxNV9TSFJJTktfQUNUSVZFKSA9PSAwICYmCgpJc24ndCB0aGVyZSBhICJJ J20ga3N3YXBkIiBwcm9jZXNzIGZsYWcgd2UgY291bGQgdXNlIHRvIG1ha2UgdGhlIHNocmlua2Vy CmEgYml0IG1vcmUgY2xldmVyIGJldHdlZW4gc3luY2hyb25vdXMgcmVjbGFpbSBhbmQga3N3YXAg cmVjbGFpbT8gT3IgaGFzCnN5bmNocm9ub3VzIHJlY2xhaW0gZGllZCBhcyBhIHRoaW5nPwotRGFu aWVsCgo+ICsJCQkgICAgb2JqLT5hY3RpdmUpCj4gKwkJCQljb250aW51ZTsKPiArCj4gIAkJCWRy bV9nZW1fb2JqZWN0X3JlZmVyZW5jZSgmb2JqLT5iYXNlKTsKPiAgCj4gIAkJCS8qIEZvciB0aGUg dW5ib3VuZCBwaGFzZSwgdGhpcyBzaG91bGQgYmUgYSBuby1vcCEgKi8KPiBAQCAtMTY2LDcgKzE3 MCw3IEBAIHVuc2lnbmVkIGxvbmcgaTkxNV9nZW1fc2hyaW5rX2FsbChzdHJ1Y3QgZHJtX2k5MTVf cHJpdmF0ZSAqZGV2X3ByaXYpCj4gIAlpOTE1X2dlbV9yZXRpcmVfcmVxdWVzdHMoZGV2X3ByaXYt PmRldik7Cj4gIAo+ICAJcmV0dXJuIGk5MTVfZ2VtX3NocmluayhkZXZfcHJpdiwgTE9OR19NQVgs Cj4gLQkJCSAgICAgICBJOTE1X1NIUklOS19CT1VORCB8IEk5MTVfU0hSSU5LX1VOQk9VTkQpOwo+ ICsJCQkgICAgICAgSTkxNV9TSFJJTktfQk9VTkQgfCBJOTE1X1NIUklOS19VTkJPVU5EIHwgSTkx NV9TSFJJTktfQUNUSVZFKTsKPiAgfQo+ICAKPiAgc3RhdGljIGJvb2wgaTkxNV9nZW1fc2hyaW5r ZXJfbG9jayhzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCBib29sICp1bmxvY2spCj4gQEAgLTIyMSw3 ICsyMjUsNyBAQCBpOTE1X2dlbV9zaHJpbmtlcl9jb3VudChzdHJ1Y3Qgc2hyaW5rZXIgKnNocmlu a2VyLCBzdHJ1Y3Qgc2hyaW5rX2NvbnRyb2wgKnNjKQo+ICAJCQljb3VudCArPSBvYmotPmJhc2Uu c2l6ZSA+PiBQQUdFX1NISUZUOwo+ICAKPiAgCWxpc3RfZm9yX2VhY2hfZW50cnkob2JqLCAmZGV2 X3ByaXYtPm1tLmJvdW5kX2xpc3QsIGdsb2JhbF9saXN0KSB7Cj4gLQkJaWYgKG9iai0+cGFnZXNf cGluX2NvdW50ID09IG51bV92bWFfYm91bmQob2JqKSkKPiArCQlpZiAoIW9iai0+YWN0aXZlICYm IG9iai0+cGFnZXNfcGluX2NvdW50ID09IG51bV92bWFfYm91bmQob2JqKSkKPiAgCQkJY291bnQg Kz0gb2JqLT5iYXNlLnNpemUgPj4gUEFHRV9TSElGVDsKPiAgCX0KPiAgCj4gLS0gCj4gMi4xLjQK PiAKPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IElu dGVsLWdmeCBtYWlsaW5nIGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4g aHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAoK LS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUgRW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCmh0 dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4Cg==