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([2a02:908:1252:fb60:3f0d:4946:a7a8:ad7c]) by smtp.gmail.com with ESMTPSA id w6sm1492062eje.107.2021.04.28.02.05.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 28 Apr 2021 02:05:40 -0700 (PDT) Subject: Re: [PATCH 1/2] drm/ttm: Don't evict SG BOs To: Felix Kuehling , dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org References: <20210428053338.11560-1-Felix.Kuehling@amd.com> <83a52589-ce81-35b1-e85d-e9485f9bc233@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: Date: Wed, 28 Apr 2021 11:05:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <83a52589-ce81-35b1-e85d-e9485f9bc233@amd.com> Content-Language: en-US X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" QW0gMjguMDQuMjEgdW0gMDk6NDkgc2NocmllYiBGZWxpeCBLdWVobGluZzoKPiBBbSAyMDIxLTA0 LTI4IHVtIDM6MDQgYS5tLiBzY2hyaWViIENocmlzdGlhbiBLw7ZuaWc6Cj4+IEFtIDI4LjA0LjIx IHVtIDA3OjMzIHNjaHJpZWIgRmVsaXggS3VlaGxpbmc6Cj4+PiBTRyBCT3MgZG8gbm90IG9jY3Vw eSBzcGFjZSB0aGF0IGlzIG1hbmFnZWQgYnkgVFRNLiBTbyBkbyBub3QgZXZpY3QgdGhlbS4KPj4+ Cj4+PiBUaGlzIGZpeGVzIHVuZXhwZWN0ZWQgZXZpY3Rpb25zIG9mIEtGRCdzIHVzZXJwdHIgQk9z LiBLRkQgb25seSBleHBlY3RzCj4+PiB1c2VycHRyICJldmljdGlvbnMiIGluIHRoZSBmb3JtIG9m IE1NVSBub3RpZmllcnMuCj4+IE5BSywgU0cgQk9zIGFsc28gYWNjb3VudCBmb3IgdGhlIG1lbW9y eSB0aGUgR1BVIGNhbiBjdXJyZW50bHkgYWNjZXNzLgo+Pgo+PiBXZSBjYW4gaWdub3JlIHRoZW0g Zm9yIHRoZSBhbGxvY2F0ZWQgbWVtb3J5LCBidXQgbm90IGZvciB0aGUgR1RUIGRvbWFpbi4KPiBI bW0sIHRoZSBvbmx5IHJlYXNvbiBJIGZvdW5kIHRoaXMgcHJvYmxlbSBpcywgdGhhdCBJIGFtIG5v dyB0ZXN0aW5nIHdpdGgKPiBJT01NVSBlbmFibGVkLiBFdmljdGluZyB0aGUgdXNlcnB0ciBCTyBk ZXN0cm95cyB0aGUgRE1BIG1hcHBpbmcuIFdpdGhvdXQKPiBJT01NVS1lbmZvcmNlZCBkZXZpY2Ug aXNvbGF0aW9uIEkgd2FzIGJsaXNzZnVsbHkgdW5hd2FyZSB0aGF0IHRoZQo+IHVzZXJwdHIgQk9z IHdlcmUgYmVpbmcgZXZpY3RlZC4gVGhlIEdQVVZNIG1hcHBpbmdzIHdlcmUgdW5hZmZlY3RlZCBh bmQKPiBqdXN0IHdvcmtlZCB3aXRob3V0IHByb2JsZW1zLiBIYXZpbmcgdG8gZXZpY3QgdGhlc2Ug Qk9zIGlzIGNyaXBwbGluZwo+IEtGRCdzIGFiaWxpdHkgdG8gbWFwIHN5c3RlbSBtZW1vcnkgZm9y IEdQVSBhY2Nlc3MsIG9uY2UgYWdhaW4uCj4KPiBJIHRoaW5rIHRoaXMgYWZmZWN0cyBub3Qgb25s eSB1c2VycHRyIEJPcyBidXQgYWxzbyBETUFCdWYgaW1wb3J0cyBmb3IKPiBCT3Mgc2hhcmVkIGJl dHdlZW4gbXVsdGlwbGUgR1BVcy4KCkNvcnJlY3QsIHllcy4KCj4gVGhlIEdUVCBzaXplIGxpbWl0 YXRpb24gaXMgZW50aXJlbHkgYXJ0aWZpY2lhbC4gQW5kIHRoZSBvbmx5IHJlYXNvbiBJCj4ga25v dyBvZiBmb3Iga2VlcGluZyBpdCBsaW1pdGVkIHRvIHRoZSBWUkFNIHNpemUgaXMgdG8gd29yayBh cm91bmQgc29tZQo+IE9PTSBpc3N1ZXMgd2l0aCBHVFQgQk9zLiBBcHBseWluZyB0aGlzIHRvIHVz ZXJwdHJzIGFuZCBETUFCdWYgaW1wb3J0cwo+IG1ha2VzIG5vIHNlbnNlLiBCdXQgSSB1bmRlcnN0 YW5kIHRoYXQgdGhlIHdheSBUVE0gbWFuYWdlcyB0aGUgR1RUIGRvbWFpbgo+IHRoZXJlIGlzIG5v IGVhc3kgZml4IGZvciB0aGlzLiBNYXliZSB3ZSdkIGhhdmUgdG8gY3JlYXRlIGEgbmV3IGRvbWFp bgo+IGZvciB2YWxpZGF0aW5nIFNHIEJPcyB0aGF0J3Mgc2VwYXJhdGUgZnJvbSBHVFQsIHNvIHRo YXQgVFRNIHdvdWxkIG5vdAo+IHRyeSB0byBhbGxvY2F0ZSBHVFQgc3BhY2UgZm9yIHRoZW0uCgpX ZWxsIHRoYXQgaXMgY29udHJhZGljdCB0byB3aGF0IHRoZSBHVFQgZG9tYWluIGlzIGFsbCBhYm91 dC4KCkl0IHNob3VsZCBsaW1pdCB0aGUgYW1vdW50IG9mIHN5c3RlbSBtZW1vcnkgdGhlIEdQVSBj YW4gYWNjZXNzIGF0IHRoZSAKc2FtZSB0aW1lLiBUaGlzIGluY2x1ZGVzIGltcG9ydGVkIERNQS1i dXMgYXMgd2VsbCBhcyB1c2VycHRycy4KClRoYXQgdGhlIEdQVVZNIG1hcHBpbmdzIGFyZSBzdGls bCB0aGVyZSBpcyBjZXJ0YWlubHkgYSBidWcgd2Ugc2hvdWxkIApsb29rIGludG8sIGJ1dCBpbiBn ZW5lcmFsIGlmIHdlIGRvbid0IHdhbnQgdGhhdCBsaW1pdGF0aW9uIHdlIG5lZWQgdG8gCmluY3Jl YXNlIHRoZSBHVFQgc2l6ZSBhbmQgbm90IHdvcmsgYXJvdW5kIGl0LgoKQnV0IGluY3JlYXNpbmcg dGhlIEdUVCBzaXplIGluIHR1cm4gYXMgaGFzIGEgaHVnZSBuZWdhdGl2ZSBpbXBhY3Qgb24gT09N IApzaXR1YXRpb25zIHVwIHRvIHRoZSBwb2ludCB0aGF0IHRoZSBPT00ga2lsbGVyIGNhbid0IHdv cmsgYW55IG1vcmUuCgo+IEZhaWxpbmcgdGhhdCwgSSdkIHByb2JhYmx5IGhhdmUgdG8gYWJhbmRv biB1c2VycHRyIEJPcyBhbHRvZ2V0aGVyIGFuZAo+IHN3aXRjaCBzeXN0ZW0gbWVtb3J5IG1hcHBp bmdzIG92ZXIgdG8gdXNpbmcgdGhlIG5ldyBTVk0gQVBJIG9uIHN5c3RlbXMKPiB3aGVyZSBpdCBp cyBhdmFsaWFibGUuCgpXZWxsIGFzIGxvbmcgYXMgdGhhdCBwcm92aWRlcyB0aGUgbmVjZXNzYXJ5 IGZ1bmN0aW9uYWxpdHkgdGhyb3VnaCBITU0gaXQgCndvdWxkIGJlIGFuIG9wdGlvbi4KClJlZ2Fy ZHMsCkNocmlzdGlhbi4KCj4KPiBSZWdhcmRzLAo+ICDCoCBGZWxpeAo+Cj4KPj4gQ2hyaXN0aWFu Lgo+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogRmVsaXggS3VlaGxpbmcgPEZlbGl4Lkt1ZWhsaW5nQGFt ZC5jb20+Cj4+PiAtLS0KPj4+ICDCoCBkcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jIHwgNCAr KysrCj4+PiAgwqAgMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKQo+Pj4KPj4+IGRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jIGIvZHJpdmVycy9ncHUvZHJtL3R0 bS90dG1fYm8uYwo+Pj4gaW5kZXggZGUxZWM4MzhjZjhiLi4wYjk1MzY1NGZkYmYgMTAwNjQ0Cj4+ PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jCj4+PiArKysgYi9kcml2ZXJzL2dw dS9kcm0vdHRtL3R0bV9iby5jCj4+PiBAQCAtNjU1LDYgKzY1NSwxMCBAQCBpbnQgdHRtX21lbV9l dmljdF9maXJzdChzdHJ1Y3QgdHRtX2RldmljZSAqYmRldiwKPj4+ICDCoMKgwqDCoMKgwqDCoMKg wqAgbGlzdF9mb3JfZWFjaF9lbnRyeShibywgJm1hbi0+bHJ1W2ldLCBscnUpIHsKPj4+ICDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBib29sIGJ1c3k7Cj4+PiAgwqAgK8KgwqDCoMKgwqDCoMKg wqDCoMKgwqAgLyogRG9uJ3QgZXZpY3QgU0cgQk9zICovCj4+PiArwqDCoMKgwqDCoMKgwqDCoMKg wqDCoCBpZiAoYm8tPnR0bSAmJiBiby0+dHRtLT5zZykKPj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqAgY29udGludWU7Cj4+PiArCj4+PiAgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgaWYgKCF0dG1fYm9fZXZpY3Rfc3dhcG91dF9hbGxvd2FibGUoYm8sIGN0eCwgJmxvY2tlZCwK Pj4+ICDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqAgJmJ1c3kpKSB7Cj4+PiAgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCBpZiAoYnVzeSAmJiAhYnVzeV9ibyAmJiB0aWNrZXQgIT0KCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QK ZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=