From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 09/14] drm/i915: Delay semaphore submission until the start of the signaler Date: Fri, 3 May 2019 12:03:56 +0100 Message-ID: References: <20190501114541.10077-1-chris@chris-wilson.co.uk> <20190501114541.10077-9-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3911F89C17 for ; Fri, 3 May 2019 11:03:59 +0000 (UTC) In-Reply-To: <20190501114541.10077-9-chris@chris-wilson.co.uk> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDAxLzA1LzIwMTkgMTI6NDUsIENocmlzIFdpbHNvbiB3cm90ZToKPiBDdXJyZW50bHkgd2Ug c3VibWl0IHRoZSBzZW1hcGhvcmUgYnVzeXdhaXQgYXMgc29vbiBhcyB0aGUgc2lnbmFsZXIgaXMK PiBzdWJtaXR0ZWQgdG8gSFcuIEhvd2V2ZXIsIHdlIG1heSBzdWJtaXQgdGhlIHNpZ25hbGVyIGFz IHRoZSB0YWlsIG9mIGEKPiBiYXRjaCBvZiByZXF1ZXN0cywgYW5kIGV2ZW4gbm90IGFzIHRoZSBm aXJzdCBjb250ZXh0IGluIHRoZSBIVyBsaXN0LAo+IGkuZS4gdGhlIGJ1c3l3YWl0IG1heSBzdGFy dCBzcGlubmluZyBmYXIgaW4gYWR2YW5jZSBvZiB0aGUgc2lnbmFsZXIgZXZlbgo+IHN0YXJ0aW5n Lgo+IAo+IElmIHdlIHdhaXQgdW50aWwgdGhlIHJlcXVlc3QgYmVmb3JlIHRoZSBzaWduYWxlciBp cyBjb21wbGV0ZWQgYmVmb3JlCj4gc3VibWl0dGluZyB0aGUgYnVzeXdhaXQsIHdlIHByZXZlbnQg dGhlIGJ1c3l3YWl0IGZyb20gc3RhcnRpbmcgdG9vCj4gZWFybHksIGlmIHRoZSBzaWduYWxlciBp cyBub3QgZmlyc3QgaW4gc3VibWlzc2lvbiBwb3J0Lgo+IAo+IFRvIGhhbmRsZSB0aGUgY2FzZSB3 aGVyZSB0aGUgc2lnbmFsZXIgaXMgYXQgdGhlIHN0YXJ0IG9mIHRoZSBzZWNvbmQgKG9yCj4gbGF0 ZXIpIHN1Ym1pc3Npb24gcG9ydCwgd2Ugd2lsbCBuZWVkIHRvIGRlbGF5IHRoZSBleGVjdXRpb24g Y2FsbGJhY2sKPiB1bnRpbCB3ZSBrbm93IHRoZSBjb250ZXh0IGlzIHByb21vdGVkIHRvIHBvcnQw LiBBIGNoYWxsZW5nZSBmb3IgbGF0ZXIuCj4gCj4gRml4ZXM6IGU4ODYxOTY0Njk3MSAoImRybS9p OTE1OiBVc2UgSFcgc2VtYXBob3JlcyBmb3IgaW50ZXItZW5naW5lIHN5bmNocm9uaQo+IHNhdGlv biBvbiBnZW44KyIpCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13 aWxzb24uY28udWs+Cj4gQ2M6IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5j b20+Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlcXVlc3QuYyB8IDE5ICsr KysrKysrKysrKysrKysrKysKPiAgIDEgZmlsZSBjaGFuZ2VkLCAxOSBpbnNlcnRpb25zKCspCj4g Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVxdWVzdC5jIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZXF1ZXN0LmMKPiBpbmRleCAyZTIyZGE2NmE1NmMuLjhj YjNlZDU1MzFlMyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlcXVl c3QuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVxdWVzdC5jCj4gQEAgLTc3 MCw2ICs3NzAsMjEgQEAgaTkxNV9yZXF1ZXN0X2NyZWF0ZShzdHJ1Y3QgaW50ZWxfY29udGV4dCAq Y2UpCj4gICAJcmV0dXJuIHJxOwo+ICAgfQo+ICAgCj4gK3N0YXRpYyBpbnQKPiAraTkxNV9yZXF1 ZXN0X2F3YWl0X3N0YXJ0KHN0cnVjdCBpOTE1X3JlcXVlc3QgKnJxLCBzdHJ1Y3QgaTkxNV9yZXF1 ZXN0ICpzaWduYWwpCj4gK3sKPiArCWlmIChsaXN0X2lzX2ZpcnN0KCZzaWduYWwtPnJpbmdfbGlu aywgJnNpZ25hbC0+cmluZy0+cmVxdWVzdF9saXN0KSkKPiArCQlyZXR1cm4gMDsKPiArCj4gKwlz aWduYWwgPSBsaXN0X3ByZXZfZW50cnkoc2lnbmFsLCByaW5nX2xpbmspOwo+ICsJaWYgKGk5MTVf dGltZWxpbmVfc3luY19pc19sYXRlcihycS0+dGltZWxpbmUsICZzaWduYWwtPmZlbmNlKSkKPiAr CQlyZXR1cm4gMDsKPiArCj4gKwlyZXR1cm4gaTkxNV9zd19mZW5jZV9hd2FpdF9kbWFfZmVuY2Uo JnJxLT5zdWJtaXQsCj4gKwkJCQkJICAgICAmc2lnbmFsLT5mZW5jZSwgMCwKPiArCQkJCQkgICAg IEk5MTVfRkVOQ0VfR0ZQKTsKPiArfQo+ICsKPiAgIHN0YXRpYyBpbnQKPiAgIGVtaXRfc2VtYXBo b3JlX3dhaXQoc3RydWN0IGk5MTVfcmVxdWVzdCAqdG8sCj4gICAJCSAgICBzdHJ1Y3QgaTkxNV9y ZXF1ZXN0ICpmcm9tLAo+IEBAIC03ODgsNiArODAzLDEwIEBAIGVtaXRfc2VtYXBob3JlX3dhaXQo c3RydWN0IGk5MTVfcmVxdWVzdCAqdG8sCj4gICAJCQkJCQkgICAgICZmcm9tLT5mZW5jZSwgMCwK PiAgIAkJCQkJCSAgICAgSTkxNV9GRU5DRV9HRlApOwo+ICAgCj4gKwllcnIgPSBpOTE1X3JlcXVl c3RfYXdhaXRfc3RhcnQodG8sIGZyb20pOwo+ICsJaWYgKGVyciA8IDApCj4gKwkJcmV0dXJuIGVy cjsKPiArCj4gICAJZXJyID0gaTkxNV9zd19mZW5jZV9hd2FpdF9kbWFfZmVuY2UoJnRvLT5zZW1h cGhvcmUsCj4gICAJCQkJCSAgICAmZnJvbS0+ZmVuY2UsIDAsCj4gICAJCQkJCSAgICBJOTE1X0ZF TkNFX0dGUCk7Cj4gCgpSZXZpZXdlZC1ieTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGlu QGludGVsLmNvbT4KClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4