From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Stop touching forcewake following a gen6+ engine reset Date: Fri, 18 Aug 2017 11:56:23 +0300 Message-ID: <87shgpqmo8.fsf@gaia.fi.intel.com> References: <20170817173229.20324-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id CC8C26E6E1 for ; Fri, 18 Aug 2017 08:58:17 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Michel Thierry , Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org TWljaGVsIFRoaWVycnkgPG1pY2hlbC50aGllcnJ5QGludGVsLmNvbT4gd3JpdGVzOgoKPiBPbiAx Ny8wOC8xNyAxMDozMiwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+PiBGb3JjZXdha2UgaXMgbm90IGFm ZmVjdGVkIGJ5IHRoZSBlbmdpbmUgcmVzZXQgb24gZ2VuNisuIEluZGVlZCB0aGUKPj4gcmVhc29u IHdoeSB3ZSBhZGRlZCBpbnRlbF91bmNvcmVfZm9yY2V3YWtlX3Jlc2V0KCkgdG8KPj4gZ2VuNl9y ZXNldF9lbmdpbmVzKCkgd2FzIHRvIGtlZXAgdGhlIGJvb2trZWVwaW5nIGludGFjdCBiZWNhdXNl IHRoZQo+PiByZXNldCBkaWQgbm90IHRvdWNoIHRoZSBmb3JjZXdha2UgYml0ICh5ZXQgd2UgY2Fu Y2VsbGVkIHRoZSBmb3JjZXdha2UKPj4gY29uc3VtZXJzKSEgIFRoaXMgd2FzIGRvbmUgaW4gY29t bWl0IDUyMTE5OGEyZTcwOTU6Cj4+ICAgICAgQXV0aG9yOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1 b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KPj4gICAgICBEYXRlOiAgIEZyaSBBdWcgMjMgMTY6NTI6 MzAgMjAxMyArMDMwMAo+PiAKPj4gCWRybS9pOTE1OiBzYW5pdGl6ZSBmb3JjZXdha2UgcmVnaXN0 ZXJzIG9uIHJlc2V0Cj4+IAo+PiAJSW4gcmVzZXQgd2UgdHJ5IHRvIHJlc3RvcmUgdGhlIGZvcmNl d2FrZSBzdGF0ZSB0bwo+PiAJcHJlIHJlc2V0IHN0YXRlLCB1c2luZyBmb3JjZXdha2VfY291bnQu IFRoZSByZXNldAo+PiAJZG9lc24ndCBzZWVtIHRvIGNsZWFyIHRoZSBmb3JjZXdha2UgYml0cyBz byB3ZQo+PiAJZ2V0IHdhcm4gb24gZm9yY2V3YWtlIGFjayByZWdpc3RlciBub3QgY2xlYXJpbmcu Cj4+IAo+PiBUaGF0IGZ1dHppbmcgb2YgdGhlIGZvcmNld2FrZSBib29ra2VlcGluZyB3YXMgZHJv cHBlZCBpbiBjb21taXQKPj4gMDI5NGFlN2I0NGJiICgiZHJtL2k5MTU6IENvbnNvbGlkYXRlIGZv cmNld2FrZSByZXNldHRpbmcgdG8gYSBzaW5nbGUKPj4gZnVuY3Rpb24iKSwgYnV0IGl0IGRpZCBu b3QgbWFrZSB0aGUgcmVhbGlzYXRpb24gdGhhdCB0aGUgcmVtYWluaW5nCj4+IGludGVsX3VuY29y ZV9mb3JjZXdha2VfcmVzZXQoKSB3YXMgcmVkdW5kYW50Lgo+PiAKPj4gVGhlIG5ldyBkYW5nZXIg d2l0aCB1c2luZyBpbnRlbF91bmNvcmVfZm9yY2V3YWtlX3Jlc2V0KCkgd2l0aCBwZXItZW5naW5l Cj4+IHJlc2V0cyBpcyB0aGF0IHRoZSBkcml2ZXIgYW5kIGh3IGFyZSBzdGlsbCBpbiBhbiBhY3Rp dmUgc3RhdGUgYXMgd2UKPj4gcGVyZm9ybSB0aGUgcmVzZXQuIFdlIG1heSBiZSB1c2luZyB0aGUg Zm9yY2V3YWtlIHRvIHJlYWQgcHJvdGVjdGVkCj4+IHJlZ2lzdGVycyBlbHNld2hlcmUgYW5kIHRo b3NlIHJlc3VsdHMgbWF5IGJlIGNsb2JiZXJlZCBieSB0aGUgY29uY3VycmVudAo+PiBkcm9wcGlu ZyBvZiBmb3JjZXdha2UuCj4+IAo+PiBSZXBvcnRlZC1ieTogTWljaGVsIFRoaWVycnkgPG1pY2hl bC50aGllcnJ5QGludGVsLmNvbT4KPj4gRml4ZXM6IDE0MmJjN2Q5OWJjZiAoImRybS9pOTE1OiBN b2RpZnkgZXJyb3IgaGFuZGxlciBmb3IgcGVyIGVuZ2luZSBoYW5nIHJlY292ZXJ5IikKPj4gU2ln bmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+IENj OiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KPj4gQ2M6IE1p Y2hlbCBUaGllcnJ5IDxtaWNoZWwudGhpZXJyeUBpbnRlbC5jb20+Cj4+IC0tLQo+PiAgIGRyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5jIHwgNyArLS0tLS0tCj4+ICAgMSBmaWxlIGNo YW5nZWQsIDEgaW5zZXJ0aW9uKCspLCA2IGRlbGV0aW9ucygtKQo+PiAKPj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfdW5jb3JlLmMKPj4gaW5kZXggZGViNDQzMDU0MWNmLi4xZDdiODc5Y2M2OGMgMTAw NjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5jCj4+ICsrKyBi L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5jCj4+IEBAIC0xNDk3LDcgKzE0OTcs NiBAQCBzdGF0aWMgaW50IGdlbjZfcmVzZXRfZW5naW5lcyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0 ZSAqZGV2X3ByaXYsCj4+ICAgCQlbVkVDU10gPSBHRU42X0dSRE9NX1ZFQ1MsCj4+ICAgCX07Cj4+ ICAgCXUzMiBod19tYXNrOwo+PiAtCWludCByZXQ7Cj4+ICAgCj4+ICAgCWlmIChlbmdpbmVfbWFz ayA9PSBBTExfRU5HSU5FUykgewo+PiAgIAkJaHdfbWFzayA9IEdFTjZfR1JET01fRlVMTDsKPj4g QEAgLTE1MDksMTEgKzE1MDgsNyBAQCBzdGF0aWMgaW50IGdlbjZfcmVzZXRfZW5naW5lcyhzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4+ICAgCQkJaHdfbWFzayB8PSBod19lbmdp bmVfbWFza1tlbmdpbmUtPmlkXTsKPj4gICAJfQo+PiAgIAo+PiAtCXJldCA9IGdlbjZfaHdfZG9t YWluX3Jlc2V0KGRldl9wcml2LCBod19tYXNrKTsKPj4gLQo+PiAtCWludGVsX3VuY29yZV9mb3Jj ZXdha2VfcmVzZXQoZGV2X3ByaXYsIHRydWUpOwo+PiAtCj4+IC0JcmV0dXJuIHJldDsKPj4gKwly ZXR1cm4gZ2VuNl9od19kb21haW5fcmVzZXQoZGV2X3ByaXYsIGh3X21hc2spOwo+PiAgIH0KPj4g ICAKPj4gICAvKioKPj4gCj4KPiBUaGFua3MgZm9yIGRpZ2dpbmcgb3V0IHRoZSBjb21taXQgaGlz dG9yeS4KPgo+IFJldmlld2VkLWJ5IE1pY2hlbCBUaGllcnJ5IDxtaWNoZWwudGhpZXJyeUBpbnRl bC5jb20+CgpOaWNlIGZpbmQsIHBvc3NpYmx5IHByZXZlbnRpbmcgcXVpdGUgYW1vdW50IG9mIGJy YWluIHNwcmFpbi4KCkFja2VkLWJ5OiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVs LmNvbT4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCklu dGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=