From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: [PATCH v6 2/2] drm/i915/gen9: Fix PCODE polling during SAGV disabling Date: Mon, 5 Dec 2016 18:27:38 +0200 Message-ID: <1480955258-26311-2-git-send-email-imre.deak@intel.com> References: <1480955258-26311-1-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 mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id B0F0C6E16C for ; Mon, 5 Dec 2016 16:27:43 +0000 (UTC) In-Reply-To: <1480955258-26311-1-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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org QWNjb3JkaW5nIHRvIHRoZSBwcmV2aW91cyBwYXRjaCwgaXQncyBwb3NzaWJsZSBhdG0gdGhhdCB3 ZSBjYWxsCmludGVsX2RvX3NhZ3ZfZGlzYWJsZSgpIG9ubHkgb25jZSBkdXJpbmcgdGhlIDFtcyBw ZXJpb2QgYW5kIHRpbWUgb3V0IGlmCnRoYXQgY2FsbCBmYWlscy4gQXMgb3Bwb3NlZCB0byB0aGlz IHRoZSBzcGVjIHNheXMgdGhhdCB3ZSBuZWVkIHRvIGtlZXAKcmV0cnlpbmcgdGhpcyByZXF1ZXN0 IGZvciBhIDFtcyBkdXJhdGlvbiwgc28gbGV0J3MgZG8gdGhpcyBzaW1pbGFybHkgdG8KdGhlIENE Q0xLIGNoYW5nZSBub3RpZmljYXRpb24gcmVxdWVzdC4KCnY0LTU6Ci0gUmViYXNlZCBvbiB0aGUg cmVwbHlfbWFzaywgcmVwbHkgY2hhbmdlLgp2NjoKLSBSZW1vdmUgdy9zIGNoYW5nZS4gKEx5dWRl KQotIFJlYmFzZWQgb24gdGhlIHRpbWVvdXRfYmFzZSBhcmd1bWVudCBjaGFuZ2UuCgpDYzogTHl1 ZGUgPGNwYXVsQHJlZGhhdC5jb20+CkNjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFA bGludXguaW50ZWwuY29tPgpDYzogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+ClNpZ25lZC1vZmYtYnk6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNvbT4KUmV2aWV3 ZWQtYnk6IEx5dWRlIDxseXVkZUByZWRoYXQuY29tPiAodjQpCi0tLQogZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfcG0uYyB8IDM0ICsrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0K IDEgZmlsZSBjaGFuZ2VkLCA5IGluc2VydGlvbnMoKyksIDI1IGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9wbS5jCmluZGV4IDZjMmZhMzQuLmU3YzQ4OTEgMTAwNjQ0Ci0tLSBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfcG0uYwpAQCAtMjk1NCwyNCArMjk1NCwxMCBAQCBpbnRlbF9lbmFibGVfc2FndihzdHJ1Y3Qg ZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCiAJcmV0dXJuIDA7CiB9CiAKLXN0YXRpYyBpbnQK LWludGVsX2RvX3NhZ3ZfZGlzYWJsZShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYp Ci17Ci0JaW50IHJldDsKLQl1aW50MzJfdCB0ZW1wID0gR0VOOV9TQUdWX0RJU0FCTEU7Ci0KLQly ZXQgPSBzYW5keWJyaWRnZV9wY29kZV9yZWFkKGRldl9wcml2LCBHRU45X1BDT0RFX1NBR1ZfQ09O VFJPTCwKLQkJCQkgICAgICZ0ZW1wKTsKLQlpZiAocmV0KQotCQlyZXR1cm4gcmV0OwotCWVsc2UK LQkJcmV0dXJuIHRlbXAgJiBHRU45X1NBR1ZfSVNfRElTQUJMRUQ7Ci19Ci0KIGludAogaW50ZWxf ZGlzYWJsZV9zYWd2KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKIHsKLQlpbnQg cmV0LCByZXN1bHQ7CisJaW50IHJldDsKIAogCWlmICghaW50ZWxfaGFzX3NhZ3YoZGV2X3ByaXYp KQogCQlyZXR1cm4gMDsKQEAgLTI5ODMsMjUgKzI5NjksMjMgQEAgaW50ZWxfZGlzYWJsZV9zYWd2 KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKIAltdXRleF9sb2NrKCZkZXZfcHJp di0+cnBzLmh3X2xvY2spOwogCiAJLyogYnNwZWMgc2F5cyB0byBrZWVwIHJldHJ5aW5nIGZvciBh dCBsZWFzdCAxIG1zICovCi0JcmV0ID0gd2FpdF9mb3IocmVzdWx0ID0gaW50ZWxfZG9fc2Fndl9k aXNhYmxlKGRldl9wcml2KSwgMSk7CisJcmV0ID0gc2tsX3Bjb2RlX3JlcXVlc3QoZGV2X3ByaXYs IEdFTjlfUENPREVfU0FHVl9DT05UUk9MLAorCQkJCUdFTjlfU0FHVl9ESVNBQkxFLAorCQkJCUdF TjlfU0FHVl9JU19ESVNBQkxFRCwgR0VOOV9TQUdWX0lTX0RJU0FCTEVELAorCQkJCTEpOwogCW11 dGV4X3VubG9jaygmZGV2X3ByaXYtPnJwcy5od19sb2NrKTsKIAotCWlmIChyZXQgPT0gLUVUSU1F RE9VVCkgewotCQlEUk1fRVJST1IoIlJlcXVlc3QgdG8gZGlzYWJsZSBTQUdWIHRpbWVkIG91dFxu Iik7Ci0JCXJldHVybiAtRVRJTUVET1VUOwotCX0KLQogCS8qCiAJICogU29tZSBza2wgc3lzdGVt cywgcHJlLXJlbGVhc2UgbWFjaGluZXMgaW4gcGFydGljdWxhciwKIAkgKiBkb24ndCBhY3R1YWxs eSBoYXZlIGFuIFNBR1YuCiAJICovCi0JaWYgKElTX1NLWUxBS0UoZGV2X3ByaXYpICYmIHJlc3Vs dCA9PSAtRU5YSU8pIHsKKwlpZiAoSVNfU0tZTEFLRShkZXZfcHJpdikgJiYgcmV0ID09IC1FTlhJ TykgewogCQlEUk1fREVCVUdfRFJJVkVSKCJObyBTQUdWIGZvdW5kIG9uIHN5c3RlbSwgaWdub3Jp bmdcbiIpOwogCQlkZXZfcHJpdi0+c2Fndl9zdGF0dXMgPSBJOTE1X1NBR1ZfTk9UX0NPTlRST0xM RUQ7CiAJCXJldHVybiAwOwotCX0gZWxzZSBpZiAocmVzdWx0IDwgMCkgewotCQlEUk1fRVJST1Io IkZhaWxlZCB0byBkaXNhYmxlIHRoZSBTQUdWXG4iKTsKLQkJcmV0dXJuIHJlc3VsdDsKKwl9IGVs c2UgaWYgKHJldCA8IDApIHsKKwkJRFJNX0VSUk9SKCJGYWlsZWQgdG8gZGlzYWJsZSB0aGUgU0FH ViAoJWQpXG4iLCByZXQpOworCQlyZXR1cm4gcmV0OwogCX0KIAogCWRldl9wcml2LT5zYWd2X3N0 YXR1cyA9IEk5MTVfU0FHVl9ESVNBQkxFRDsKLS0gCjIuNS4wCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK