From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhoucm1 Subject: Re: [PATCH] drm/ttm: stop always moving BOs on the LRU on page fault Date: Mon, 14 Jan 2019 15:06:30 +0800 Message-ID: <8246cd62-7be0-34cc-1bf3-e1c40f0265fb@amd.com> References: <20190111131525.1269-1-christian.koenig@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190111131525.1269-1-christian.koenig-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: =?UTF-8?Q?Christian_K=c3=b6nig?= , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: David1.Zhou-5C7GfCeVMHo@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: dri-devel@lists.freedesktop.org CgpPbiAyMDE55bm0MDHmnIgxMeaXpSAyMToxNSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBN b3ZlIHRoZSBCTyBvbiB0aGUgTFJVIG9ubHkgd2hlbiBpdCBpcyBhY3R1YWxseSBtb3ZlZCBieSBh IERNQQo+IG9wZXJhdGlvbi4KPgo+IFNpZ25lZC1vZmYtYnk6IENocmlzdGlhbiBLw7ZuaWcgPGNo cmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KVGVzdGVkLUFuZC1SZXZpZXdlZC1ieTogQ2h1bm1pbmcg WmhvdSA8ZGF2aWQxLnpob3VAYW1kLmNvbT4KCkkganVzdCBzZW50IGxydV9ub3RpZnnCoCB2MiBw YXRjaGVzLCBwbGVhc2UgcmV2aWV3IHRoZW0uIFdpdGggeW91cnMgYW5kIAptaW5lLCB0aGUgT09N IGlzc3VlIGlzIGZpeGVkIHdpdGhvdXQgbmVnYXRpdmUgZWZmZWN0LgoKLURhdmlkCj4gLS0tCj4g ICBkcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9ib192bS5jIHwgMTkgKysrKysrKysrKysrLS0tLS0t LQo+ICAgMSBmaWxlIGNoYW5nZWQsIDEyIGluc2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0pCj4K PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm9fdm0uYyBiL2RyaXZlcnMv Z3B1L2RybS90dG0vdHRtX2JvX3ZtLmMKPiBpbmRleCBhMWQ5NzdmYmFkZTUuLmU4NmEyOWExZTUx ZiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9ib192bS5jCj4gKysrIGIv ZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm9fdm0uYwo+IEBAIC03MSw3ICs3MSw3IEBAIHN0YXRp YyB2bV9mYXVsdF90IHR0bV9ib192bV9mYXVsdF9pZGxlKHN0cnVjdCB0dG1fYnVmZmVyX29iamVj dCAqYm8sCj4gICAJCXR0bV9ib19nZXQoYm8pOwo+ICAgCQl1cF9yZWFkKCZ2bWYtPnZtYS0+dm1f bW0tPm1tYXBfc2VtKTsKPiAgIAkJKHZvaWQpIGRtYV9mZW5jZV93YWl0KGJvLT5tb3ZpbmcsIHRy dWUpOwo+IC0JCXR0bV9ib191bnJlc2VydmUoYm8pOwo+ICsJCXJlc2VydmF0aW9uX29iamVjdF91 bmxvY2soYm8tPnJlc3YpOwo+ICAgCQl0dG1fYm9fcHV0KGJvKTsKPiAgIAkJZ290byBvdXRfdW5s b2NrOwo+ICAgCX0KPiBAQCAtMTMxLDExICsxMzEsNyBAQCBzdGF0aWMgdm1fZmF1bHRfdCB0dG1f Ym9fdm1fZmF1bHQoc3RydWN0IHZtX2ZhdWx0ICp2bWYpCj4gICAJICogZm9yIHJlc2VydmUsIGFu ZCBpZiBpdCBmYWlscywgcmV0cnkgdGhlIGZhdWx0IGFmdGVyIHdhaXRpbmcKPiAgIAkgKiBmb3Ig dGhlIGJ1ZmZlciB0byBiZWNvbWUgdW5yZXNlcnZlZC4KPiAgIAkgKi8KPiAtCWVyciA9IHR0bV9i b19yZXNlcnZlKGJvLCB0cnVlLCB0cnVlLCBOVUxMKTsKPiAtCWlmICh1bmxpa2VseShlcnIgIT0g MCkpIHsKPiAtCQlpZiAoZXJyICE9IC1FQlVTWSkKPiAtCQkJcmV0dXJuIFZNX0ZBVUxUX05PUEFH RTsKPiAtCj4gKwlpZiAodW5saWtlbHkoIXJlc2VydmF0aW9uX29iamVjdF90cnlsb2NrKGJvLT5y ZXN2KSkpIHsKPiAgIAkJaWYgKHZtZi0+ZmxhZ3MgJiBGQVVMVF9GTEFHX0FMTE9XX1JFVFJZKSB7 Cj4gICAJCQlpZiAoISh2bWYtPmZsYWdzICYgRkFVTFRfRkxBR19SRVRSWV9OT1dBSVQpKSB7Cj4g ICAJCQkJdHRtX2JvX2dldChibyk7Cj4gQEAgLTE2NSw2ICsxNjEsOCBAQCBzdGF0aWMgdm1fZmF1 bHRfdCB0dG1fYm9fdm1fZmF1bHQoc3RydWN0IHZtX2ZhdWx0ICp2bWYpCj4gICAJfQo+ICAgCj4g ICAJaWYgKGJkZXYtPmRyaXZlci0+ZmF1bHRfcmVzZXJ2ZV9ub3RpZnkpIHsKPiArCQlzdHJ1Y3Qg ZG1hX2ZlbmNlICptb3ZpbmcgPSBkbWFfZmVuY2VfZ2V0KGJvLT5tb3ZpbmcpOwo+ICsKPiAgIAkJ ZXJyID0gYmRldi0+ZHJpdmVyLT5mYXVsdF9yZXNlcnZlX25vdGlmeShibyk7Cj4gICAJCXN3aXRj aCAoZXJyKSB7Cj4gICAJCWNhc2UgMDoKPiBAQCAtMTc3LDYgKzE3NSwxMyBAQCBzdGF0aWMgdm1f ZmF1bHRfdCB0dG1fYm9fdm1fZmF1bHQoc3RydWN0IHZtX2ZhdWx0ICp2bWYpCj4gICAJCQlyZXQg PSBWTV9GQVVMVF9TSUdCVVM7Cj4gICAJCQlnb3RvIG91dF91bmxvY2s7Cj4gICAJCX0KPiArCj4g KwkJaWYgKGJvLT5tb3ZpbmcgIT0gbW92aW5nKSB7Cj4gKwkJCXNwaW5fbG9jaygmYmRldi0+Z2xv Yi0+bHJ1X2xvY2spOwo+ICsJCQl0dG1fYm9fbW92ZV90b19scnVfdGFpbChibywgTlVMTCk7Cj4g KwkJCXNwaW5fdW5sb2NrKCZiZGV2LT5nbG9iLT5scnVfbG9jayk7Cj4gKwkJfQo+ICsJCWRtYV9m ZW5jZV9wdXQobW92aW5nKTsKPiAgIAl9Cj4gICAKPiAgIAkvKgo+IEBAIC0yOTEsNyArMjk2LDcg QEAgc3RhdGljIHZtX2ZhdWx0X3QgdHRtX2JvX3ZtX2ZhdWx0KHN0cnVjdCB2bV9mYXVsdCAqdm1m KQo+ICAgb3V0X2lvX3VubG9jazoKPiAgIAl0dG1fbWVtX2lvX3VubG9jayhtYW4pOwo+ICAgb3V0 X3VubG9jazoKPiAtCXR0bV9ib191bnJlc2VydmUoYm8pOwo+ICsJcmVzZXJ2YXRpb25fb2JqZWN0 X3VubG9jayhiby0+cmVzdik7Cj4gICAJcmV0dXJuIHJldDsKPiAgIH0KPiAgIAoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxp c3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==