From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH] drm/i915: Limit Valleyview and earlier to
	only	using mappable scanout
Date: Fri, 04 Nov 2016 13:29:04 +0200
Message-ID: <87d1ibiiv3.fsf@intel.com>
References: <20161104110838.3279-1-chris@chris-wilson.co.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
In-Reply-To: <20161104110838.3279-1-chris@chris-wilson.co.uk>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Cc: Akash Goel <akash.goel@intel.com>, "# v4 . 9-rc1+" <drm-intel-fixes@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org

T24gRnJpLCAwNCBOb3YgMjAxNiwgQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u
dWs+IHdyb3RlOgo+IFZhbGxleXZpZXcgYW5kIENoZXJyeXZpZXcgYXJlIGRlZmluaXRlbHkgbGlt
aXRlZCB0byBvbmx5IHNjYW5uaW5nIG91dAo+IGZyb20gdGhlIGZpcnN0IDI1Nk1pQiBhbmQgNTEy
TWlCIG9mIHRoZSBHbG9iYWwgR1RUIHJlc3BlY3RpdmVseS4gTGV0cwo+IHByZXN1bWUgdGhhdCB0
aGlzIGJlaGF2aW91ciB3YXMgaW5oZXJpdGVkIGZyb20gdGhlIGRpc3BsYXkgYmxvY2sgY29waWVk
Cj4gZnJvbSBnNHggKG5vdCBJcm9ubGFrZSkgYW5kIGFsbCBlYXJsaWVyIGdlbmVyYXRpb25zIGFy
ZSBzaW1pbGFybHkKPiBhZmZlY3RlZC4gRm9yIHNpbXBsaWNpdHksIGltcG9zZSB0aGF0IHRoZXNl
IHBsYXRmb3JtcyBtdXN0IHNjYW5vdXQgZnJvbQo+IHRoZSBtYXBwYWJsZSByZWdpb24uCj4KPiBS
ZXBvcnRlZC1ieTogTHVpcyBCb3RlbGxvIDxsdWlzLmJvdGVsbG8ub3J0ZWdhQGludGVsLmNvbT4K
PiBCdWd6aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9
OTgwMzYKPiBGaXhlczogMmVmYjgxM2Q1Mzg4ICgiZHJtL2k5MTU6IEZhbGxiYWNrIHRvIHVzaW5n
IHVubWFwcGFibGUgbWVtb3J5IGZvciBzY2Fub3V0IikKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBX
aWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiBDYzogQWthc2ggR29lbCA8YWthc2gu
Z29lbEBpbnRlbC5jb20+Cj4gQ2M6IEpvb25hcyBMYWh0aW5lbiA8am9vbmFzLmxhaHRpbmVuQGxp
bnV4LmludGVsLmNvbT4KPiBDYzogPGRybS1pbnRlbC1maXhlc0BsaXN0cy5mcmVlZGVza3RvcC5v
cmc+ICMgdjQuOS1yYzErCj4gLS0tCj4gVGhpcyBsZWF2ZXMgSXJvbmxha2UgLT4gSGFzd2VsbCB3
aXRoIGEgYml0IG9mIHVuY2VydGFpbml0eS4gSXQgaXMgYWxzbwo+IG5vdCBjbGVhciBpZiB0aGUg
c2Nhbm91dCBhY2Nlc3NpYmxlIHJlZ2lvbiBpcyBzaW1pbGFybHkgbGltaXRlZCBvbiBhbGwKPiBn
ZW44KywgYW5kIHNvIHdoZXRoZXIgd2UgbmVlZCB0byBzaW1pbGFybHkgY3VydGFpbiB0aGUgdXBw
ZXIgcmFuZ2UgZm9yCj4gdGhlaXIgc2Nhbm91dHMuCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9p
OTE1L2k5MTVfZ2VtLmMgfCAxOCArKysrKysrKysrKysrKysrLS0KPiAgMSBmaWxlIGNoYW5nZWQs
IDE2IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVy
cy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2Vt
LmMKPiBpbmRleCAyNjllMjQ4N2MxMDQuLjQwODg3NWZiZWM2NiAxMDA2NDQKPiAtLS0gYS9kcml2
ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv
aTkxNV9nZW0uYwo+IEBAIC0zNjYxLDggKzM2NjEsMjIgQEAgaTkxNV9nZW1fb2JqZWN0X3Bpbl90
b19kaXNwbGF5X3BsYW5lKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmosCj4gIAlpZiAo
dmlldy0+dHlwZSA9PSBJOTE1X0dHVFRfVklFV19OT1JNQUwpCj4gIAkJdm1hID0gaTkxNV9nZW1f
b2JqZWN0X2dndHRfcGluKG9iaiwgdmlldywgMCwgYWxpZ25tZW50LAo+ICAJCQkJCSAgICAgICBQ
SU5fTUFQUEFCTEUgfCBQSU5fTk9OQkxPQ0spOwo+IC0JaWYgKElTX0VSUih2bWEpKQo+IC0JCXZt
YSA9IGk5MTVfZ2VtX29iamVjdF9nZ3R0X3BpbihvYmosIHZpZXcsIDAsIGFsaWdubWVudCwgMCk7
Cj4gKwlpZiAoSVNfRVJSKHZtYSkpIHsKPiArCQlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkx
NSA9IHRvX2k5MTUob2JqLT5iYXNlLmRldik7Cj4gKwkJdW5zaWduZWQgaW50IGZsYWdzOwo+ICsK
PiArCQkvKiBWYWxsZXl2aWV3IGFuZCBDaGVycnl2aWV3IGFyZSBkZWZpbml0ZWx5IGxpbWl0ZWQg
dG8gc2Nhbm5pbmcKPiArCQkgKiBvdXQgdGhlIGZpcnN0IDI1Nk1pQiBhbmQgNTEyTWlCIHJlc3Bl
Y3RpdmVseS4gTGV0cyBwcmVzdW1lCj4gKwkJICogdGhpcyBiZWhhdmlvdXIgd2FzIGluaGVyaXRl
ZCBmcm9tIHRoZWlyIGc0eCBkaXNwbGF5IGVuZ2luZQo+ICsJCSAqIGFuZCB0aGF0IGFsbCBlYXJs
aWVyIGdlbiBhcmUgc2ltaWxhcmx5IGxpbWl0ZWQuCj4gKwkJICovCj4gKwkJZmxhZ3MgPSAwOwo+
ICsJCWlmIChJTlRFTF9HRU4oaTkxNSkgPCA1IHx8Cj4gKwkJICAgIElTX1ZBTExFWVZJRVcoaTkx
NSkgfHwKPiArCQkgICAgSVNfQ0hFUlJZVklFVyhpOTE1KSkKClNpbmNlIGl0J3MgcmVsYXRlZCB0
byB0aGUgZGlzcGxheSBlbmdpbmUsIEhBU19HTUNIX0RJU1BMQVkoKT8KCkJSLApKYW5pLgoKPiAr
CQkJZmxhZ3MgPSBQSU5fTUFQUEFCTEU7Cj4gKwkJdm1hID0gaTkxNV9nZW1fb2JqZWN0X2dndHRf
cGluKG9iaiwgdmlldywgMCwgYWxpZ25tZW50LCBmbGFncyk7Cj4gKwl9Cj4gIAlpZiAoSVNfRVJS
KHZtYSkpCj4gIAkJZ290byBlcnJfdW5waW5fZGlzcGxheTsKCi0tIApKYW5pIE5pa3VsYSwgSW50
ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhA
bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt
YW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==