From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lyude Paul Subject: Re: [PATCH v3 3/3] drm/i915/gen9: Fix PCODE polling during SAGV disabling Date: Tue, 29 Nov 2016 21:48:41 -0500 Message-ID: <1480474121.4856.0.camel@redhat.com> References: <1480331578-1332-1-git-send-email-imre.deak@intel.com> <1480331578-1332-3-git-send-email-imre.deak@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id 038306E36F for ; Wed, 30 Nov 2016 02:48:43 +0000 (UTC) In-Reply-To: <1480331578-1332-3-git-send-email-imre.deak@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Imre Deak , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T25lIHRpbnkgbml0cGljayBiZWxvdwoKT24gTW9uLCAyMDE2LTExLTI4IGF0IDEzOjEyICswMjAw LCBJbXJlIERlYWsgd3JvdGU6Cj4gQWNjb3JkaW5nIHRvIHRoZSBwcmV2aW91cyBwYXRjaCwgaXQn cyBwb3NzaWJsZSBhdG0gdGhhdCB3ZSBjYWxsCj4gaW50ZWxfZG9fc2Fndl9kaXNhYmxlKCkgb25s eSBvbmNlIGR1cmluZyB0aGUgMW1zIHBlcmlvZCBhbmQgdGltZSBvdXQKPiBpZgo+IHRoYXQgY2Fs bCBmYWlscy4gQXMgb3Bwb3NlZCB0byB0aGlzIHRoZSBzcGVjIHNheXMgdGhhdCB3ZSBuZWVkIHRv Cj4ga2VlcAo+IHJldHJ5aW5nIHRoaXMgcmVxdWVzdCBmb3IgYSAxbXMgZHVyYXRpb24sIHNvIGxl dCdzIGRvIHRoaXMgc2ltaWxhcmx5Cj4gdG8KPiB0aGUgQ0RDTEsgY2hhbmdlIG5vdGlmaWNhdGlv biByZXF1ZXN0Lgo+IAo+IENjOiBMeXVkZSA8Y3BhdWxAcmVkaGF0LmNvbT4KPiBDYzogVmlsbGUg U3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogQ2hyaXMgV2ls c29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gU2lnbmVkLW9mZi1ieTogSW1yZSBEZWFr IDxpbXJlLmRlYWtAaW50ZWwuY29tPgo+IC0tLQo+IMKgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9yZWcuaCB8wqDCoDEgLQo+IMKgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYyB8IDMz ICsrKysrKystLS0tLS0tLS0tLS0tLS0tLS0tLS0tCj4gLS0tLQo+IMKgMiBmaWxlcyBjaGFuZ2Vk LCA3IGluc2VydGlvbnMoKyksIDI3IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oCj4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X3JlZy5oCj4gaW5kZXggZjU0MmNiYy4uYzc0NThiNyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1X3JlZy5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9y ZWcuaAo+IEBAIC03NDM0LDcgKzc0MzQsNiBAQCBlbnVtIHsKPiDCoCNkZWZpbmUJwqDCoEhTV19Q Q09ERV9EWU5BTUlDX0RVVFlfQ1lDTEVfQ09OVFJPTAkweDFBCj4gwqAjZGVmaW5lwqDCoMKgR0VO OV9QQ09ERV9TQUdWX0NPTlRST0wJCTB4MjEKPiDCoCNkZWZpbmXCoMKgwqDCoMKgR0VOOV9TQUdW X0RJU0FCTEUJCQkweDAKPiAtI2RlZmluZcKgwqDCoMKgwqBHRU45X1NBR1ZfSVNfRElTQUJMRUQJ CTB4MQo+IMKgI2RlZmluZcKgwqDCoMKgwqBHRU45X1NBR1ZfRU5BQkxFCQkJMHgzCj4gwqAjZGVm aW5lwqDCoMKgR0VOOV9QQ09ERV9SRVFVRVNUX0RPTkUJCTB4MQo+IMKgI2RlZmluZSBHRU42X1BD T0RFX0RBVEEJCQkJX01NSU8oMHgxMzgxMgo+IDgpCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX3BtLmMKPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMK PiBpbmRleCBlZGQ2OGYzLi40M2IwYjQwIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3BtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jCj4g QEAgLTI5NTQsMjQgKzI5NTQsMTAgQEAgaW50ZWxfZW5hYmxlX3NhZ3Yoc3RydWN0IGRybV9pOTE1 X3ByaXZhdGUKPiAqZGV2X3ByaXYpCj4gwqAJcmV0dXJuIDA7Cj4gwqB9Cj4gwqAKPiAtc3RhdGlj IGludAo+IC1pbnRlbF9kb19zYWd2X2Rpc2FibGUoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRl dl9wcml2KQo+IC17Cj4gLQlpbnQgcmV0Owo+IC0JdWludDMyX3QgdGVtcCA9IEdFTjlfU0FHVl9E SVNBQkxFOwo+IC0KPiAtCXJldCA9IHNhbmR5YnJpZGdlX3Bjb2RlX3JlYWQoZGV2X3ByaXYsCj4g R0VOOV9QQ09ERV9TQUdWX0NPTlRST0wsCj4gLQkJCQnCoMKgwqDCoMKgJnRlbXApOwo+IC0JaWYg KHJldCkKPiAtCQlyZXR1cm4gcmV0Owo+IC0JZWxzZQo+IC0JCXJldHVybiB0ZW1wICYgR0VOOV9T QUdWX0lTX0RJU0FCTEVEOwo+IC19Cj4gLQo+IMKgaW50Cj4gwqBpbnRlbF9kaXNhYmxlX3NhZ3Yo c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQo+IMKgewo+IC0JaW50IHJldCwgcmVz dWx0Owo+ICsJaW50IHJldDsKPiDCoAo+IMKgCWlmICghaW50ZWxfaGFzX3NhZ3YoZGV2X3ByaXYp KQo+IMKgCQlyZXR1cm4gMDsKPiBAQCAtMjk4MSwyNyArMjk2NywyMiBAQCBpbnRlbF9kaXNhYmxl X3NhZ3Yoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUKPiAqZGV2X3ByaXYpCj4gwqAKPiDCoAlEUk1f REVCVUdfS01TKCJEaXNhYmxpbmcgdGhlIFNBR1ZcbiIpOwo+IMKgCW11dGV4X2xvY2soJmRldl9w cml2LT5ycHMuaHdfbG9jayk7Cj4gLQpJJ2QgbGVhdmUgdGhlIHdoaXRlc3BhY2UgaGVyZS4KCk90 aGVyIHRoZW4gdGhhdDoKCglSZXZpZXdlZC1ieTogTHl1ZGUgPGx5dWRlQHJlZGhhdC5jb20+Cj4g wqAJLyogYnNwZWMgc2F5cyB0byBrZWVwIHJldHJ5aW5nIGZvciBhdCBsZWFzdCAxIG1zICovCj4g LQlyZXQgPSB3YWl0X2ZvcihyZXN1bHQgPSBpbnRlbF9kb19zYWd2X2Rpc2FibGUoZGV2X3ByaXYp LCAxKTsKPiArCXJldCA9IHNrbF9wY29kZV9yZXF1ZXN0KGRldl9wcml2LCBHRU45X1BDT0RFX1NB R1ZfQ09OVFJPTCwKPiArCQkJCUdFTjlfU0FHVl9ESVNBQkxFKTsKPiDCoAltdXRleF91bmxvY2so JmRldl9wcml2LT5ycHMuaHdfbG9jayk7Cj4gwqAKPiAtCWlmIChyZXQgPT0gLUVUSU1FRE9VVCkg ewo+IC0JCURSTV9FUlJPUigiUmVxdWVzdCB0byBkaXNhYmxlIFNBR1YgdGltZWQgb3V0XG4iKTsK PiAtCQlyZXR1cm4gLUVUSU1FRE9VVDsKPiAtCX0KPiAtCj4gwqAJLyoKPiDCoAnCoCogU29tZSBz a2wgc3lzdGVtcywgcHJlLXJlbGVhc2UgbWFjaGluZXMgaW4gcGFydGljdWxhciwKPiDCoAnCoCog ZG9uJ3QgYWN0dWFsbHkgaGF2ZSBhbiBTQUdWLgo+IMKgCcKgKi8KPiAtCWlmIChJU19TS1lMQUtF KGRldl9wcml2KSAmJiByZXN1bHQgPT0gLUVOWElPKSB7Cj4gKwlpZiAoSVNfU0tZTEFLRShkZXZf cHJpdikgJiYgcmV0ID09IC1FTlhJTykgewo+IMKgCQlEUk1fREVCVUdfRFJJVkVSKCJObyBTQUdW IGZvdW5kIG9uIHN5c3RlbSwKPiBpZ25vcmluZ1xuIik7Cj4gwqAJCWRldl9wcml2LT5zYWd2X3N0 YXR1cyA9IEk5MTVfU0FHVl9OT1RfQ09OVFJPTExFRDsKPiDCoAkJcmV0dXJuIDA7Cj4gLQl9IGVs c2UgaWYgKHJlc3VsdCA8IDApIHsKPiAtCQlEUk1fRVJST1IoIkZhaWxlZCB0byBkaXNhYmxlIHRo ZSBTQUdWXG4iKTsKPiAtCQlyZXR1cm4gcmVzdWx0Owo+ICsJfSBlbHNlIGlmIChyZXQgPCAwKSB7 Cj4gKwkJRFJNX0VSUk9SKCJGYWlsZWQgdG8gZGlzYWJsZSB0aGUgU0FHViAoJWQpXG4iLCByZXQp Owo+ICsJCXJldHVybiByZXQ7Cj4gwqAJfQo+IMKgCj4gwqAJZGV2X3ByaXYtPnNhZ3Zfc3RhdHVz ID0gSTkxNV9TQUdWX0RJU0FCTEVEOwotLSAKQ2hlZXJzLAoJTHl1ZGUKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==