From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: Re: [PATCH] drm/i915: Fix a bug in GuC status check Date: Tue, 8 Sep 2015 09:06:50 +0100 Message-ID: <55EE971A.2090308@intel.com> References: <1441234332-7446-1-git-send-email-yu.dai@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id C7B9E6E895 for ; Tue, 8 Sep 2015 01:06:51 -0700 (PDT) In-Reply-To: <1441234332-7446-1-git-send-email-yu.dai@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 T24gMDIvMDkvMTUgMjM6NTIsIHl1LmRhaUBpbnRlbC5jb20gd3JvdGU6Cj4gRnJvbTogQWxleCBE YWkgPHl1LmRhaUBpbnRlbC5jb20+Cj4KPiBCaXQgMTYgb2YgR3VDIHN0YXR1cyBpbmRpY2F0ZXMg cmVzdW1pbmcgZnJvbSBSQzYuIFRoZSBMQVBJQ19ET05FCj4gc3RhdHVzIGlzIGEgcmVsaWFibGUg cmVhZGluZXNzIGZsYWcgb25seSB3aGVuIHJlc3VtaW5nIGZyb20gUkM2Lgo+IFRoaXMgZml4IGEg cmFjaW5nIGlzc3VlIHRoYXQgYWxsb2NhdGlvbiBvZiBkb29yYmVsbCBmYWlscyB3aGlsc3QKPiBH dUMgaW5pdCBpcyBub3QgZmluaXNoZWQuCj4KPiBTaWduZWQtb2ZmLWJ5OiBBbGV4IERhaSA8eXUu ZGFpQGludGVsLmNvbT4KPiAtLS0KPiAgIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ3VjX3Jl Zy5oICAgICB8IDEgKwo+ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjX2xvYWRlci5j IHwgNSArKystLQo+ICAgMiBmaWxlcyBjaGFuZ2VkLCA0IGluc2VydGlvbnMoKyksIDIgZGVsZXRp b25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9ndWNfcmVn LmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2d1Y19yZWcuaAo+IGluZGV4IDhjOGU1NzQu LmRkMGUxZTggMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9ndWNfcmVn LmgKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2d1Y19yZWcuaAo+IEBAIC0zNyw2 ICszNyw3IEBACj4gICAjZGVmaW5lICAgR1NfVUtFUk5FTF9SRUFEWQkJICAoMHhGMCA8PCBHU19V S0VSTkVMX1NISUZUKQo+ICAgI2RlZmluZSAgIEdTX01JQV9TSElGVAkJCTE2Cj4gICAjZGVmaW5l ICAgR1NfTUlBX01BU0sJCQkgICgweDA3IDw8IEdTX01JQV9TSElGVCkKPiArI2RlZmluZSAgIEdT X01JQV9DT1JFX1NUQVRFCQkgICgxIDw8IEdTX01JQV9TSElGVCkKPgo+ICAgI2RlZmluZSBTT0ZU X1NDUkFUQ0gobikJCQkoMHhjMTgwICsgKChuKSAqIDQpKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2d1Y19sb2FkZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2d1Y19sb2FkZXIuYwo+IGluZGV4IDVlYWZkMzEuLjU4MjM2MTUgMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjX2xvYWRlci5jCj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjX2xvYWRlci5jCj4gQEAgLTIwOSw5ICsyMDksMTAgQEAg c3RhdGljIGlubGluZSBib29sIGd1Y191Y29kZV9yZXNwb25zZShzdHJ1Y3QgZHJtX2k5MTVfcHJp dmF0ZSAqZGV2X3ByaXYsCj4gICAJCQkJICAgICAgdTMyICpzdGF0dXMpCj4gICB7Cj4gICAJdTMy IHZhbCA9IEk5MTVfUkVBRChHVUNfU1RBVFVTKTsKPiArCXUzMiB1a192YWwgPSB2YWwgJiBHU19V S0VSTkVMX01BU0s7Cj4gICAJKnN0YXR1cyA9IHZhbDsKPiAtCXJldHVybiAoKHZhbCAmIEdTX1VL RVJORUxfTUFTSykgPT0gR1NfVUtFUk5FTF9SRUFEWSB8fAo+IC0JCSh2YWwgJiBHU19VS0VSTkVM X01BU0spID09IEdTX1VLRVJORUxfTEFQSUNfRE9ORSk7Cj4gKwlyZXR1cm4gKHVrX3ZhbCA9PSBH U19VS0VSTkVMX1JFQURZIHx8Cj4gKwkJKCh2YWwgJiBHU19NSUFfQ09SRV9TVEFURSkgJiYgdWtf dmFsID09IEdTX1VLRVJORUxfTEFQSUNfRE9ORSkpOwo+ICAgfQo+Cj4gICAvKgoKVGhpcyBkb2Vz IGluZGVlZCBmaXggdGhlIHByb2JsZW0gb2Ygbm90IGJlaW5nIGFibGUgdG8gKnJlKmluaXRpYWxp c2UgdGhlIApHdUMgY29ycmVjdGx5IGFmdGVyIGEgaGFuZy9yZXNldC9yZWxvYWQgY3ljbGUgOikg SG93ZXZlciBJIHRoaW5rIHRoZSAKbGFzdCBsaW5lIGxvb2tzIHF1aXRlIGNvbmZ1c2luZywgZXNw ZWNpYWxseSBiZWNhdXNlIG9mIHRoZSBtaXggb2YgCmJpdHdpc2UgYW5kIGxvZ2ljYWwgb3BlcmF0 b3JzICh3ZSBoYXZlICYsICYmLCBhbmQgfHwgYWxsIGluIG9uZSBleHByZXNzaW9uKS4KClNvIEkg dGhpbmsgaXQgbWlnaHQgYmUgY2xlYXJlciBpZiBzcGVsbGVkIG91dCBpbiB0d28gc3RhZ2VzOgoK ICB7CiAgICAgICAgIHUzMiB2YWwgPSBJOTE1X1JFQUQoR1VDX1NUQVRVUyk7CisgICAgICAgdTMy IHVrX3ZhbCA9IHZhbCAmIEdTX1VLRVJORUxfTUFTSzsKICAgICAgICAgKnN0YXR1cyA9IHZhbDsK LSAgICAgICByZXR1cm4gKCh2YWwgJiBHU19VS0VSTkVMX01BU0spID09IEdTX1VLRVJORUxfUkVB RFkgfHwKLSAgICAgICAgICAgICAgICh2YWwgJiBHU19VS0VSTkVMX01BU0spID09IEdTX1VLRVJO RUxfTEFQSUNfRE9ORSk7CisKKyAgICAgICAvKiBJZmYgcmVzdW1pbmcgZnJvbSBSQzYsIGxvb2sg Zm9yIExBUElDX0RPTkUgKi8KKyAgICAgICBpZiAodmFsICYgR1NfTUlBX0NPUkVfU1RBVEUpCisg ICAgICAgICAgICAgICBpZiAodWtfdmFsID09IEdTX1VLRVJORUxfTEFQSUNfRE9ORSkKKyAgICAg ICAgICAgICAgICAgICAgICAgcmV0dXJuIHRydWU7CisKKyAgICAgICAvKiBPdGhlcndpc2UganVz dCBjaGVjayB3aGV0aGVyIHRoZSB1S2VybmVsIGlzIFJFQURZICovCisgICAgICAgcmV0dXJuIHVr X3ZhbCA9PSBHU19VS0VSTkVMX1JFQURZOwogIH0KCk90aGVyIHRoYW4gdGhhdCBJJ20gcXVpdGUg aGFwcHkgd2l0aCBpdCwgc28gZWl0aGVyIHZlcnNpb24gZ2V0cyBhCgpSZXZpZXdlZC1ieTogRGF2 ZSBHb3Jkb24gPGRhdmlkLnMuZ29yZG9uQGludGVsLmNvbT4KCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==