From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 14/19] drm/i915: Forcefully flush GuC log buffer on reset Date: Wed, 17 Aug 2016 12:16:00 +0100 Message-ID: <57B44770.7050709@linux.intel.com> References: <1471428859-10339-1-git-send-email-akash.goel@intel.com> <1471428859-10339-15-git-send-email-akash.goel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id F39E36E81E for ; Wed, 17 Aug 2016 11:16:01 +0000 (UTC) In-Reply-To: <1471428859-10339-15-git-send-email-akash.goel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: akash.goel@intel.com, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDE3LzA4LzE2IDExOjE0LCBha2FzaC5nb2VsQGludGVsLmNvbSB3cm90ZToKPiBGcm9tOiBT YWdhciBBcnVuIEthbWJsZSA8c2FnYXIuYS5rYW1ibGVAaW50ZWwuY29tPgo+Cj4gQmVmb3JlIGNh cHR1cmluZyB0aGUgR3VDIGxvZ3MgYXMgYSBwYXJ0IG9mIGVycm9yIHN0YXRlLCB0aGVyZSBzaG91 bGQgYmUgYQo+IGZvcmNlIGxvZyBidWZmZXIgZmx1c2ggYWN0aW9uIHNlbnQgdG8gR3VDIGJlZm9y ZSBwcm9jZWVkaW5nIHdpdGggR1BVIHJlc2V0Cj4gYW5kIHJlLWluaXRpYWxpemluZyBHVUMuIFRo ZXJlIGNvdWxkIGJlIHNvbWUgZGF0YSBpbiB0aGUgbG9nIGJ1ZmZlciB3aGljaAo+IGlzIHlldCB0 byBiZSBjYXB0dXJlZCBhbmQgdGhvc2UgbG9ncyB3b3VsZCBiZSBwYXJ0aWN1bGFybHkgdXNlZnVs IHRvCj4gdW5kZXJzdGFuZCB0aGF0IHdoeSB0aGUgR1BVIHJlc2V0IHdhcyBpbml0aWF0ZWQuCj4K PiB2MjoKPiAtIEF2b2lkIHRoZSB3YWl0IHZpYSBmbHVzaF93b3JrLCB0byBzZXJpYWxpemUgYWdh aW5zdCBhbiBvbmdvaW5nIGxvZwo+ICAgIGJ1ZmZlciBmbHVzaCwgZnJvbSB0aGUgZXJyb3Igc3Rh dGUgY2FwdHVyZSBwYXRoLiAoQ2hyaXMpCj4gLSBSZWJhc2UuCj4KPiBTaWduZWQtb2ZmLWJ5OiBT YWdhciBBcnVuIEthbWJsZSA8c2FnYXIuYS5rYW1ibGVAaW50ZWwuY29tPgo+IFNpZ25lZC1vZmYt Ynk6IEFrYXNoIEdvZWwgPGFrYXNoLmdvZWxAaW50ZWwuY29tPgo+IC0tLQo+ICAgZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9ncHVfZXJyb3IuYyAgICAgIHwgIDIgKysKPiAgIGRyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfZ3VjX3N1Ym1pc3Npb24uYyB8IDMwICsrKysrKysrKysrKysrKysrKysr KysrKysrKysrKwo+ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmggICAgICAgICAg IHwgIDEgKwo+ICAgMyBmaWxlcyBjaGFuZ2VkLCAzMyBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0t Z2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9ncHVfZXJyb3IuYyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfZ3B1X2Vycm9yLmMKPiBpbmRleCA5NDI5N2FhLi5iNzNjNjcxIDEwMDY0 NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ3B1X2Vycm9yLmMKPiArKysgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dwdV9lcnJvci5jCj4gQEAgLTEzMDEsNiArMTMwMSw4 IEBAIHN0YXRpYyB2b2lkIGk5MTVfZ2VtX2NhcHR1cmVfZ3VjX2xvZ19idWZmZXIoc3RydWN0IGRy bV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAo+ICAgCWlmICghZGV2X3ByaXYtPmd1Yy5sb2cudm1h IHx8IChpOTE1Lmd1Y19sb2dfbGV2ZWwgPCAwKSkKPiAgIAkJcmV0dXJuOwo+Cj4gKwlpOTE1X2d1 Y19mbHVzaF9sb2dzKGRldl9wcml2LCBmYWxzZSk7Cj4gKwo+ICAgCWVycm9yLT5ndWNfbG9nID0g aTkxNV9lcnJvcl9vYmplY3RfY3JlYXRlKGRldl9wcml2LAo+ICAgCQkJCQkJICBkZXZfcHJpdi0+ Z3VjLmxvZy52bWEpOwo+ICAgfQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X2d1Y19zdWJtaXNzaW9uLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2d1Y19zdWJt aXNzaW9uLmMKPiBpbmRleCBlNDY4MjhiLi5iZWVlYjIzIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfZ3VjX3N1Ym1pc3Npb24uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZ3VjX3N1Ym1pc3Npb24uYwo+IEBAIC0xODUsNiArMTg1LDE2IEBAIHN0YXRp YyBpbnQgaG9zdDJndWNfbG9nYnVmZmVyX2ZsdXNoX2NvbXBsZXRlKHN0cnVjdCBpbnRlbF9ndWMg Kmd1YykKPiAgIAlyZXR1cm4gaG9zdDJndWNfYWN0aW9uKGd1YywgZGF0YSwgMSk7Cj4gICB9Cj4K PiArc3RhdGljIGludCBob3N0Mmd1Y19mb3JjZV9sb2didWZmZXJfZmx1c2goc3RydWN0IGludGVs X2d1YyAqZ3VjKQo+ICt7Cj4gKwl1MzIgZGF0YVsyXTsKPiArCj4gKwlkYXRhWzBdID0gSE9TVDJH VUNfQUNUSU9OX0ZPUkNFX0xPR19CVUZGRVJfRkxVU0g7Cj4gKwlkYXRhWzFdID0gMDsKPiArCj4g KwlyZXR1cm4gaG9zdDJndWNfYWN0aW9uKGd1YywgZGF0YSwgMik7Cj4gK30KPiArCj4gICAvKgo+ ICAgICogSW5pdGlhbGlzZSwgdXBkYXRlLCBvciBjbGVhciBkb29yYmVsbCBkYXRhIHNoYXJlZCB3 aXRoIHRoZSBHdUMKPiAgICAqCj4gQEAgLTE1MjEsNiArMTUzMSwyNiBAQCB2b2lkIGk5MTVfZ3Vj X2NhcHR1cmVfbG9ncyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4gICAJaW50 ZWxfcnVudGltZV9wbV9wdXQoZGV2X3ByaXYpOwo+ICAgfQo+Cj4gK3ZvaWQgaTkxNV9ndWNfZmx1 c2hfbG9ncyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsIGJvb2wgY2FuX3dhaXQp Cj4gK3sKPiArCWlmICghaTkxNS5lbmFibGVfZ3VjX3N1Ym1pc3Npb24gfHwgKGk5MTUuZ3VjX2xv Z19sZXZlbCA8IDApKQo+ICsJCXJldHVybjsKPiArCj4gKwkvKiBGaXJzdCBkaXNhYmxlIHRoZSBp bnRlcnJ1cHRzLCB3aWxsIGJlIHJlbmFibGVkIGFmdGVyd2FyZHMgKi8KPiArCWdlbjlfZGlzYWJs ZV9ndWNfaW50ZXJydXB0cyhkZXZfcHJpdik7Cj4gKwo+ICsJLyogQmVmb3JlIGluaXRpYXRpbmcg dGhlIGZvcmNlZnVsIGZsdXNoLCB3YWl0IGZvciBhbnkgcGVuZGluZy9vbmdvaW5nCj4gKwkgKiBm bHVzaCB0byBjb21wbGV0ZSBvdGhlcndpc2UgZm9yY2VmdWwgZmx1c2ggbWF5IG5vdCBoYXBwZW4s IGJ1dCB3YWl0Cj4gKwkgKiBjYW4ndCBiZSBkb25lIGZvciBzb21lIHBhdGhzIGxpa2UgZXJyb3Ig c3RhdGUgY2FwdHVyZSBpbiB3aGljaCBjYXNlCj4gKwkgKiB0YWtlIGEgY2hhbmNlICYgZGlyZWN0 bHkgYXR0ZW1wdCB0aGUgZm9yY2VmdWwgZmx1c2guCj4gKwkgKi8KPiArCWlmIChjYW5fd2FpdCkK PiArCQlmbHVzaF93b3JrKCZkZXZfcHJpdi0+Z3VjLmxvZy5mbHVzaF93b3JrKTsKPiArCj4gKwkv KiBBc2sgR3VDIHRvIHVwZGF0ZSB0aGUgbG9nIGJ1ZmZlciBzdGF0ZSAqLwo+ICsJaG9zdDJndWNf Zm9yY2VfbG9nYnVmZmVyX2ZsdXNoKCZkZXZfcHJpdi0+Z3VjKTsKPiArfQo+ICsKPiAgIHZvaWQg aTkxNV9ndWNfdW5yZWdpc3RlcihzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4g ICB7Cj4gICAJaWYgKCFpOTE1LmVuYWJsZV9ndWNfc3VibWlzc2lvbikKPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9ndWMuaAo+IGluZGV4IDg1OThmMzguLmQ3ZWRhNDIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmgKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9ndWMuaAo+IEBAIC0xODIsNiArMTgyLDcgQEAgaW50IGk5MTVfZ3VjX3dxX2NoZWNrX3Nw YWNlKHN0cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAqcnEpOwo+ICAgdm9pZCBpOTE1X2d1Y19z dWJtaXNzaW9uX2Rpc2FibGUoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KTsKPiAg IHZvaWQgaTkxNV9ndWNfc3VibWlzc2lvbl9maW5pKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpk ZXZfcHJpdik7Cj4gICB2b2lkIGk5MTVfZ3VjX2NhcHR1cmVfbG9ncyhzdHJ1Y3QgZHJtX2k5MTVf cHJpdmF0ZSAqZGV2X3ByaXYpOwo+ICt2b2lkIGk5MTVfZ3VjX2ZsdXNoX2xvZ3Moc3RydWN0IGRy bV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LCBib29sIGNhbl93YWl0KTsKPiAgIHZvaWQgaTkxNV9n dWNfcmVnaXN0ZXIoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KTsKPiAgIHZvaWQg aTkxNV9ndWNfdW5yZWdpc3RlcihzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpOwo+ Cj4KClJldmlld2VkLWJ5OiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29t PgoKUmVnYXJkcywKClR2cnRrbwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==