From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhi Wang Subject: Do we also need to reset HW when execlist mode is enabled? Date: Wed, 24 Jun 2015 05:41:08 +0800 Message-ID: <5589D274.8010306@intel.com> 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 ESMTP id BE6A26EB94 for ; Wed, 24 Jun 2015 06:13:37 -0700 (PDT) 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" Cc: "Niu, Bing" List-Id: intel-gfx@lists.freedesktop.org SGkgRXhwZXJ0czoKCVJlY2VudGx5IHdlIGZvdW5kIHRoYXQgd2hlbiBpOTE1IG1vZHVsZSBnb3Qg dW5sb2FkZWQsIHdoZW4gd2Ugd2VyZQpkZWJ1Z2dpbmcgc29tZSBidWdzIGluIFhlbkdULiBJdCB3 b3VsZCBub3QgcmVzZXQgSFcgdW5kZXIgZXhlY2xpc3QgbW9kZS4KSSdtIG5vdCBzdXJlIGlmIHRo aXMgaXMgYW4gaXNzdWUuIEJ1dCBpZiB3ZSBrZWVwIGxvYWRpbmcvdW5sb2FkaW5nCm1vZHVsZSB3 aXRoIHRoZSBkaWZmZXJlbnQgc3VibWlzc2lvbiBtb2RlLCBlLmcuIGZyb20gZXhlY2xpc3QgbW9k ZSB0bwpyaW5nIGJ1ZmZlciBtb2RlIHZpYSBsb2FkaW5nL3VubG9hZGluZyBpOTE1LCB0aGlzIHNo b3VsZCBiZSBhIGNvcm5lcgpjYXNlLi4uLiBNYXliZSB5b3UgY2FuIHByb3ZpZGUgc29tZSBhZHZp Y2UsIG9yIG1ha2Ugc3VyZSBpZiB3ZSBuZWVkIHRvCmZpeCBpdC4gOikKCklmIHNvLCB3ZSBjYW4g c3VibWl0IGEgcGF0Y2guIDopCgpDb2RlOgp2b2lkIGk5MTVfZ2VtX2NvbnRleHRfZmluaShzdHJ1 Y3QgZHJtX2RldmljZSAqZGV2KQp7CiAgICAgICAgc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRl dl9wcml2ID0gZGV2LT5kZXZfcHJpdmF0ZTsKICAgICAgICBzdHJ1Y3QgaW50ZWxfY29udGV4dCAq ZGN0eCA9IGRldl9wcml2LT5yaW5nW1JDU10uZGVmYXVsdF9jb250ZXh0OwogICAgICAgIGludCBp OwoKICAgICAgICBpZiAoZGN0eC0+bGVnYWN5X2h3X2N0eC5yY3Nfc3RhdGUpIHsKICAgICAgICAg ICAgICAgIC8qIFRoZSBvbmx5IGtub3duIHdheSB0byBzdG9wIHRoZSBncHUgZnJvbSBhY2Nlc3Np bmcgdGhlCmh3IGNvbnRleHQgaXMKICAgICAgICAgICAgICAgICAqIHRvIHJlc2V0IGl0LiBEbyB0 aGlzIGFzIHRoZSB2ZXJ5IGxhc3Qgb3BlcmF0aW9uIHRvCmF2b2lkIGNvbmZ1c2luZwogICAgICAg ICAgICAgICAgICogb3RoZXIgY29kZSwgbGVhZGluZyB0byBzcHVyaW91cyBlcnJvcnMuICovCiAg ICAgICAgICAgICAgICBpbnRlbF9ncHVfcmVzZXQoZGV2KTsgIC8vIDwtLS0tLS0tLS0tLS0gTW92 ZSB0aGlzIG9uZSB0bwp0aGUgYmVnaW5uaW5nIG9mIHRoZSBmdW5jdGlvbi4KCgpUaGFua3MsClpo aS4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwt Z2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK