From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Subject: Re: [PATCH v2] drm/i915: Optionally disable automatic
 recovery after a GPU reset
Date: Thu, 04 Oct 2018 12:58:01 +0300
Message-ID: <877eiykp92.fsf@gaia.fi.intel.com>
References: <20181002190702.16069-1-chris@chris-wilson.co.uk>
 <20181003105952.11100-1-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>
Received: from mga17.intel.com (mga17.intel.com [192.55.52.151])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 769236E5B4
 for <intel-gfx@lists.freedesktop.org>; Thu,  4 Oct 2018 09:58:33 +0000 (UTC)
In-Reply-To: <20181003105952.11100-1-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: Kenneth Graunke <kenneth@whitecape.org>
List-Id: intel-gfx@lists.freedesktop.org

Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gU29tZSBj
bGllbnRzLCBzdWNoIGFzIG1lc2EsIG1heSBvbmx5IGVtaXQgbWluaW1hbCBpbmNyZW1lbnRhbCBi
YXRjaGVzCj4gdGhhdCByZWx5IG9uIHRoZSBsb2dpY2FsIGNvbnRleHQgc3RhdGUgZnJvbSBwcmV2
aW91cyBiYXRjaGVzLiBUaGV5IGtub3cKPiB0aGF0IHJlY292ZXJ5IGlzIGltcG9zc2libGUgYWZ0
ZXIgYSBoYW5nIGFzIHRoZWlyIHJlcXVpcmVkIEdQVSBzdGF0ZSBpcwo+IGxvc3QsIGFuZCB0aGF0
IGVhY2ggaW4gZmxpZ2h0IGFuZCBzdWJzZXF1ZW50IGJhdGNoIHdpbGwgaGFuZyAocmVzZXR0aW5n
Cj4gdGhlIGNvbnRleHQgaW1hZ2UgYmFjayB0byBkZWZhdWx0IHBlcnBldHVhdGluZyB0aGUgcHJv
YmxlbSkuCj4KPiBUbyBhdm9pZCBnZXR0aW5nIGludG8gdGhlIHN0YXRlIGluIHRoZSBmaXJzdCBw
bGFjZSwgd2UgY2FuIGFsbG93IGNsaWVudHMKPiB0byBvcHQgb3V0IG9mIGF1dG9tYXRpYyByZWNv
dmVyeSBhbmQgZWxlY3QgdG8gYmFuIGFueSBndWlsdHkgY29udGV4dAo+IGZvbGxvd2luZyBhIGhh
bmcuIFRoaXMgcHJldmVudHMgdGhlIGNvbnRpbnVhbCBzdHJlYW0gb2YgaGFuZ3MgYW5kIGFsbG93
cwo+IHRoZSBjbGllbnQgdG8gcmVjcmVhdGUgdGhlaXIgY29udGV4dCBhbmQgcmVidWlsZCB0aGUg
c3RhdGUgZnJvbSBzY3JhdGNoLgo+Cj4gdjI6IFByZWZlciBjYWxsaW5nIGl0IHJlY292ZXJhYmxl
IHJhdGhlciB0aGFuIHVucmVjb3ZlcmFibGUuCj4KCk9rLiBZb3Ugd2VudCBmb3J3YXJkIHdpdGgg
dGhpcy4gSSBhbSBmaW5lIHdpdGggYm90aApmbGF2b3VycywKClJldmlld2VkLWJ5OiBNaWthIEt1
b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KCj4gU2lnbmVkLW9mZi1ieTog
Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gQ2M6IEtlbm5ldGggR3Jh
dW5rZSA8a2VubmV0aEB3aGl0ZWNhcGUub3JnPgo+IENjOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1
b3BwYWxhQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0u
YyAgICAgICAgIHwgIDMgKystCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2NvbnRl
eHQuYyB8IDEzICsrKysrKysrKysrKysKPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1f
Y29udGV4dC5oIHwgMTYgKysrKysrKysrKysrKysrKwo+ICBpbmNsdWRlL3VhcGkvZHJtL2k5MTVf
ZHJtLmggICAgICAgICAgICAgfCAyMCArKysrKysrKysrKysrKysrKysrKwo+ICA0IGZpbGVzIGNo
YW5nZWQsIDUxIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPgo+IGRpZmYgLS1naXQgYS9k
cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx
NV9nZW0uYwo+IGluZGV4IDdkNDVlNzExMDBiYy4uOWIwMmQ3MGZiYWJmIDEwMDY0NAo+IC0tLSBh
L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v
aTkxNS9pOTE1X2dlbS5jCj4gQEAgLTMwMTgsNyArMzAxOCw4IEBAIHN0YXRpYyB2b2lkIGk5MTVf
Z2VtX2NvbnRleHRfbWFya19ndWlsdHkoc3RydWN0IGk5MTVfZ2VtX2NvbnRleHQgKmN0eCkKPiAg
Cj4gIAliYW5uYWJsZSA9IGk5MTVfZ2VtX2NvbnRleHRfaXNfYmFubmFibGUoY3R4KTsKPiAgCXNj
b3JlID0gYXRvbWljX2FkZF9yZXR1cm4oQ09OVEVYVF9TQ09SRV9HVUlMVFksICZjdHgtPmJhbl9z
Y29yZSk7Cj4gLQliYW5uZWQgPSBzY29yZSA+PSBDT05URVhUX1NDT1JFX0JBTl9USFJFU0hPTEQ7
Cj4gKwliYW5uZWQgPSAoIWk5MTVfZ2VtX2NvbnRleHRfaXNfcmVjb3ZlcmFibGUoY3R4KSB8fAo+
ICsJCSAgc2NvcmUgPj0gQ09OVEVYVF9TQ09SRV9CQU5fVEhSRVNIT0xEKTsKPiAgCj4gIAkvKiBD
b29sIGNvbnRleHRzIGRvbid0IGFjY3VtdWxhdGUgY2xpZW50IGJhbiBzY29yZSAqLwo+ICAJaWYg
KCFiYW5uYWJsZSkKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1f
Y29udGV4dC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fY29udGV4dC5jCj4gaW5k
ZXggOGNiZTU4MDcwNTYxLi5iMzFkYTAzNzVjOGMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUv
ZHJtL2k5MTUvaTkxNV9nZW1fY29udGV4dC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv
aTkxNV9nZW1fY29udGV4dC5jCj4gQEAgLTMzOCw2ICszMzgsNyBAQCBfX2NyZWF0ZV9od19jb250
ZXh0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiAgCWxpc3RfYWRkX3RhaWwo
JmN0eC0+bGluaywgJmRldl9wcml2LT5jb250ZXh0cy5saXN0KTsKPiAgCWN0eC0+aTkxNSA9IGRl
dl9wcml2Owo+ICAJY3R4LT5zY2hlZC5wcmlvcml0eSA9IEk5MTVfVVNFUl9QUklPUklUWShJOTE1
X1BSSU9SSVRZX05PUk1BTCk7Cj4gKwljdHgtPnVzZXJfZmxhZ3MgPSBCSVQoVUNPTlRFWFRfUkVD
T1ZFUkFCTEUpOwo+ICAKPiAgCWZvciAobiA9IDA7IG4gPCBBUlJBWV9TSVpFKGN0eC0+X19lbmdp
bmUpOyBuKyspIHsKPiAgCQlzdHJ1Y3QgaW50ZWxfY29udGV4dCAqY2UgPSAmY3R4LT5fX2VuZ2lu
ZVtuXTsKPiBAQCAtODc4LDYgKzg3OSw5IEBAIGludCBpOTE1X2dlbV9jb250ZXh0X2dldHBhcmFt
X2lvY3RsKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHZvaWQgKmRhdGEsCj4gIAljYXNlIEk5MTVf
Q09OVEVYVF9QQVJBTV9CQU5OQUJMRToKPiAgCQlhcmdzLT52YWx1ZSA9IGk5MTVfZ2VtX2NvbnRl
eHRfaXNfYmFubmFibGUoY3R4KTsKPiAgCQlicmVhazsKPiArCWNhc2UgSTkxNV9DT05URVhUX1BB
UkFNX1JFQ09WRVJBQkxFOgo+ICsJCWFyZ3MtPnZhbHVlID0gaTkxNV9nZW1fY29udGV4dF9pc19y
ZWNvdmVyYWJsZShjdHgpOwo+ICsJCWJyZWFrOwo+ICAJY2FzZSBJOTE1X0NPTlRFWFRfUEFSQU1f
UFJJT1JJVFk6Cj4gIAkJYXJncy0+dmFsdWUgPSBjdHgtPnNjaGVkLnByaW9yaXR5ID4+IEk5MTVf
VVNFUl9QUklPUklUWV9TSElGVDsKPiAgCQlicmVhazsKPiBAQCAtOTMzLDYgKzkzNywxNSBAQCBp
bnQgaTkxNV9nZW1fY29udGV4dF9zZXRwYXJhbV9pb2N0bChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2
LCB2b2lkICpkYXRhLAo+ICAJCQlpOTE1X2dlbV9jb250ZXh0X2NsZWFyX2Jhbm5hYmxlKGN0eCk7
Cj4gIAkJYnJlYWs7Cj4gIAo+ICsJY2FzZSBJOTE1X0NPTlRFWFRfUEFSQU1fUkVDT1ZFUkFCTEU6
Cj4gKwkJaWYgKGFyZ3MtPnNpemUpCj4gKwkJCXJldCA9IC1FSU5WQUw7Cj4gKwkJZWxzZSBpZiAo
YXJncy0+dmFsdWUpCj4gKwkJCWk5MTVfZ2VtX2NvbnRleHRfc2V0X3JlY292ZXJhYmxlKGN0eCk7
Cj4gKwkJZWxzZQo+ICsJCQlpOTE1X2dlbV9jb250ZXh0X2NsZWFyX3JlY292ZXJhYmxlKGN0eCk7
Cj4gKwkJYnJlYWs7Cj4gKwo+ICAJY2FzZSBJOTE1X0NPTlRFWFRfUEFSQU1fUFJJT1JJVFk6Cj4g
IAkJewo+ICAJCQlzNjQgcHJpb3JpdHkgPSBhcmdzLT52YWx1ZTsKPiBkaWZmIC0tZ2l0IGEvZHJp
dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fY29udGV4dC5oIGIvZHJpdmVycy9ncHUvZHJtL2k5
MTUvaTkxNV9nZW1fY29udGV4dC5oCj4gaW5kZXggMDgxNjVmNmEwYTg0Li4zOTdkNTBiODI2ZDcg
MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fY29udGV4dC5oCj4g
KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fY29udGV4dC5oCj4gQEAgLTEyMyw2
ICsxMjMsNyBAQCBzdHJ1Y3QgaTkxNV9nZW1fY29udGV4dCB7Cj4gICNkZWZpbmUgVUNPTlRFWFRf
Tk9fWkVST01BUAkJMAo+ICAjZGVmaW5lIFVDT05URVhUX05PX0VSUk9SX0NBUFRVUkUJMQo+ICAj
ZGVmaW5lIFVDT05URVhUX0JBTk5BQkxFCQkyCj4gKyNkZWZpbmUgVUNPTlRFWFRfUkVDT1ZFUkFC
TEUJCTMKPiAgCj4gIAkvKioKPiAgCSAqIEBmbGFnczogc21hbGwgc2V0IG9mIGJvb2xlYW5zCj4g
QEAgLTI0Nyw2ICsyNDgsMjEgQEAgc3RhdGljIGlubGluZSB2b2lkIGk5MTVfZ2VtX2NvbnRleHRf
Y2xlYXJfYmFubmFibGUoc3RydWN0IGk5MTVfZ2VtX2NvbnRleHQgKmN0eCkKPiAgCWNsZWFyX2Jp
dChVQ09OVEVYVF9CQU5OQUJMRSwgJmN0eC0+dXNlcl9mbGFncyk7Cj4gIH0KPiAgCj4gK3N0YXRp
YyBpbmxpbmUgYm9vbCBpOTE1X2dlbV9jb250ZXh0X2lzX3JlY292ZXJhYmxlKGNvbnN0IHN0cnVj
dCBpOTE1X2dlbV9jb250ZXh0ICpjdHgpCj4gK3sKPiArCXJldHVybiB0ZXN0X2JpdChVQ09OVEVY
VF9SRUNPVkVSQUJMRSwgJmN0eC0+dXNlcl9mbGFncyk7Cj4gK30KPiArCj4gK3N0YXRpYyBpbmxp
bmUgdm9pZCBpOTE1X2dlbV9jb250ZXh0X3NldF9yZWNvdmVyYWJsZShzdHJ1Y3QgaTkxNV9nZW1f
Y29udGV4dCAqY3R4KQo+ICt7Cj4gKwlzZXRfYml0KFVDT05URVhUX1JFQ09WRVJBQkxFLCAmY3R4
LT51c2VyX2ZsYWdzKTsKPiArfQo+ICsKPiArc3RhdGljIGlubGluZSB2b2lkIGk5MTVfZ2VtX2Nv
bnRleHRfY2xlYXJfcmVjb3ZlcmFibGUoc3RydWN0IGk5MTVfZ2VtX2NvbnRleHQgKmN0eCkKPiAr
ewo+ICsJY2xlYXJfYml0KFVDT05URVhUX1JFQ09WRVJBQkxFLCAmY3R4LT51c2VyX2ZsYWdzKTsK
PiArfQo+ICsKPiAgc3RhdGljIGlubGluZSBib29sIGk5MTVfZ2VtX2NvbnRleHRfaXNfYmFubmVk
KGNvbnN0IHN0cnVjdCBpOTE1X2dlbV9jb250ZXh0ICpjdHgpCj4gIHsKPiAgCXJldHVybiB0ZXN0
X2JpdChDT05URVhUX0JBTk5FRCwgJmN0eC0+ZmxhZ3MpOwo+IGRpZmYgLS1naXQgYS9pbmNsdWRl
L3VhcGkvZHJtL2k5MTVfZHJtLmggYi9pbmNsdWRlL3VhcGkvZHJtL2k5MTVfZHJtLmgKPiBpbmRl
eCAyOThiMmUxOTc3NDQuLmVlYjI1OGExMmI5NSAxMDA2NDQKPiAtLS0gYS9pbmNsdWRlL3VhcGkv
ZHJtL2k5MTVfZHJtLmgKPiArKysgYi9pbmNsdWRlL3VhcGkvZHJtL2k5MTVfZHJtLmgKPiBAQCAt
MTQ4Niw2ICsxNDg2LDI2IEBAIHN0cnVjdCBkcm1faTkxNV9nZW1fY29udGV4dF9wYXJhbSB7Cj4g
ICNkZWZpbmUgICBJOTE1X0NPTlRFWFRfTUFYX1VTRVJfUFJJT1JJVFkJMTAyMyAvKiBpbmNsdXNp
dmUgKi8KPiAgI2RlZmluZSAgIEk5MTVfQ09OVEVYVF9ERUZBVUxUX1BSSU9SSVRZCQkwCj4gICNk
ZWZpbmUgICBJOTE1X0NPTlRFWFRfTUlOX1VTRVJfUFJJT1JJVFkJLTEwMjMgLyogaW5jbHVzaXZl
ICovCj4gKwo+ICsvKgo+ICsgKiBOb3QgYWxsIGNsaWVudHMgbWF5IHdhbnQgdG8gYXR0ZW1wdCBh
dXRvbWF0aWMgcmVjb3ZlciBvZiBhIGNvbnRleHQgYWZ0ZXIKPiArICogYSBoYW5nIChmb3IgZXhh
bXBsZSwgc29tZSBjbGllbnRzIG1heSBvbmx5IHN1Ym1pdCB2ZXJ5IHNtYWxsIGluY3JlbWVudGFs
Cj4gKyAqIGJhdGNoZXMgcmVseWluZyBvbiBrbm93biBsb2dpY2FsIHN0YXRlIG9mIHByZXZpb3Vz
IGJhdGNoZXMgd2hpY2ggd2lsbCBuZXZlcgo+ICsgKiByZWNvdmVyIGNvcnJlY3RseSBhbmQgZWFj
aCBhdHRlbXB0IHdpbGwgaGFuZyksIGFuZCBzbyB3b3VsZCBwcmVmZXIgdGhhdAo+ICsgKiB0aGUg
Y29udGV4dCBpcyBmb3JldmVyIGJhbm5lZCBpbnN0ZWFkLgo+ICsgKgo+ICsgKiBJZiBzZXQgdG8g
ZmFsc2UgKDApLCBhZnRlciBhIHJlc2V0LCBzdWJzZXF1ZW50IChhbmQgaW4gZmxpZ2h0KSByZW5k
ZXJpbmcKPiArICogZnJvbSB0aGlzIGNvbnRleHQgaXMgZGlzY2FyZGVkLCBhbmQgdGhlIGNsaWVu
dCB3aWxsIG5lZWQgdG8gY3JlYXRlIGEgbmV3Cj4gKyAqIGNvbnRleHQgdG8gdXNlIGluc3RlYWQu
Cj4gKyAqCj4gKyAqIElmIHNldCB0byB0cnVlICgxKSwgdGhlIGtlcm5lbCB3aWxsIGF1dG9tYXRp
Y2FsbHkgYXR0ZW1wdCB0byByZWNvdmVyIHRoZQo+ICsgKiBjb250ZXh0IGJ5IHNraXBwaW5nIHRo
ZSBoYW5naW5nIGJhdGNoIGFuZCBleGVjdXRpbmcgdGhlIG5leHQgYmF0Y2ggc3RhcnRpbmcKPiAr
ICogZnJvbSB0aGUgZGVmYXVsdCBjb250ZXh0IHN0YXRlIChkaXNjYXJkaW5nIHRoZSBpbmNvbXBs
ZXRlIGxvZ2ljYWwgY29udGV4dAo+ICsgKiBzdGF0ZSBsb3N0IGR1ZSB0byB0aGUgcmVzZXQpLgo+
ICsgKgo+ICsgKiBPbiBjcmVhdGlvbiwgYWxsIG5ldyBjb250ZXh0cyBhcmUgbWFya2VkIGFzIHJl
Y292ZXJhYmxlLgo+ICsgKi8KPiArI2RlZmluZSBJOTE1X0NPTlRFWFRfUEFSQU1fUkVDT1ZFUkFC
TEUJMHg3Cj4gIAlfX3U2NCB2YWx1ZTsKPiAgfTsKPiAgCj4gLS0gCj4gMi4xOS4wCj4KPiBfX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBt
YWlsaW5nIGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cHM6Ly9s
aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcg
bGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRl
c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==