From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: [PATCH 5/6] drm/i915: Extract checking the necessity of flush Date: Mon, 9 Feb 2015 13:54:18 -0800 Message-ID: <1423518859-6199-6-git-send-email-benjamin.widawsky@intel.com> References: <1423518859-6199-1-git-send-email-benjamin.widawsky@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 9FFC46E1B6 for ; Mon, 9 Feb 2015 13:54:27 -0800 (PST) In-Reply-To: <1423518859-6199-1-git-send-email-benjamin.widawsky@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 Cc: Ben Widawsky , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org U2lnbmVkLW9mZi1ieTogQmVuIFdpZGF3c2t5IDxiZW5AYndpZGF3c2submV0PgotLS0KIGRyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgfCA1MyArKysrKysrKysrKysrKysrKysrKysrKy0t LS0tLS0tLS0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDMwIGluc2VydGlvbnMoKyksIDIzIGRl bGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCmluZGV4IDViZmIzMzIuLjRkNWE2OWQg MTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwpAQCAtNjksNiArNjksMzUgQEAgc3RhdGljIGJvb2wg Y3B1X3dyaXRlX25lZWRzX2NsZmx1c2goc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaikK IAlyZXR1cm4gb2JqLT5waW5fZGlzcGxheTsKIH0KIAorc3RhdGljIGJvb2wKK2lzX2NwdV9mbHVz aF9yZXF1aXJlZChzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqKQoreworCS8qIElmIHdl IGRvbid0IGhhdmUgYSBwYWdlIGxpc3Qgc2V0IHVwLCB0aGVuIHdlJ3JlIG5vdCBwaW5uZWQKKwkg KiB0byBHUFUsIGFuZCB3ZSBjYW4gaWdub3JlIHRoZSBjYWNoZSBmbHVzaCBiZWNhdXNlIGl0J2xs IGhhcHBlbgorCSAqIGFnYWluIGF0IGJpbmQgdGltZS4KKwkgKi8KKwlpZiAob2JqLT5wYWdlcyA9 PSBOVUxMKQorCQlyZXR1cm4gZmFsc2U7CisKKwkvKgorCSAqIFN0b2xlbiBtZW1vcnkgaXMgYWx3 YXlzIGNvaGVyZW50IHdpdGggdGhlIEdQVSBhcyBpdCBpcyBleHBsaWNpdGx5CisJICogbWFya2Vk IGFzIHdjIGJ5IHRoZSBzeXN0ZW0sIG9yIHRoZSBzeXN0ZW0gaXMgY2FjaGUtY29oZXJlbnQuCisJ ICovCisJaWYgKG9iai0+c3RvbGVuIHx8IG9iai0+cGh5c19oYW5kbGUpCisJCXJldHVybiBmYWxz ZTsKKworCS8qIElmIHRoZSBHUFUgaXMgc25vb3BpbmcgdGhlIGNvbnRlbnRzIG9mIHRoZSBDUFUg Y2FjaGUsCisJICogd2UgZG8gbm90IG5lZWQgdG8gbWFudWFsbHkgY2xlYXIgdGhlIENQVSBjYWNo ZSBsaW5lcy4gIEhvd2V2ZXIsCisJICogdGhlIGNhY2hlcyBhcmUgb25seSBzbm9vcGVkIHdoZW4g dGhlIHJlbmRlciBjYWNoZSBpcworCSAqIGZsdXNoZWQvaW52YWxpZGF0ZWQuICBBcyB3ZSBhbHdh eXMgaGF2ZSB0byBlbWl0IGludmFsaWRhdGlvbnMKKwkgKiBhbmQgZmx1c2hlcyB3aGVuIG1vdmlu ZyBpbnRvIGFuZCBvdXQgb2YgdGhlIFJFTkRFUiBkb21haW4sIGNvcnJlY3QKKwkgKiBzbm9vcGlu ZyBiZWhhdmlvdXIgb2NjdXJzIG5hdHVyYWxseSBhcyB0aGUgcmVzdWx0IG9mIG91ciBkb21haW4K KwkgKiB0cmFja2luZy4KKwkgKi8KKwlyZXR1cm4gIWNwdV9jYWNoZV9pc19jb2hlcmVudChvYmot PmJhc2UuZGV2LCBvYmotPmNhY2hlX2xldmVsKTsKK30KKworCiBzdGF0aWMgaW5saW5lIHZvaWQg aTkxNV9nZW1fb2JqZWN0X2ZlbmNlX2xvc3Qoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9i aikKIHsKIAlpZiAob2JqLT50aWxpbmdfbW9kZSkKQEAgLTM2MTUsMjkgKzM2NDQsNyBAQCBib29s CiBpOTE1X2dlbV9jbGZsdXNoX29iamVjdChzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2Jq LAogCQkJYm9vbCBmb3JjZSkKIHsKLQkvKiBJZiB3ZSBkb24ndCBoYXZlIGEgcGFnZSBsaXN0IHNl dCB1cCwgdGhlbiB3ZSdyZSBub3QgcGlubmVkCi0JICogdG8gR1BVLCBhbmQgd2UgY2FuIGlnbm9y ZSB0aGUgY2FjaGUgZmx1c2ggYmVjYXVzZSBpdCdsbCBoYXBwZW4KLQkgKiBhZ2FpbiBhdCBiaW5k IHRpbWUuCi0JICovCi0JaWYgKG9iai0+cGFnZXMgPT0gTlVMTCkKLQkJcmV0dXJuIGZhbHNlOwot Ci0JLyoKLQkgKiBTdG9sZW4gbWVtb3J5IGlzIGFsd2F5cyBjb2hlcmVudCB3aXRoIHRoZSBHUFUg YXMgaXQgaXMgZXhwbGljaXRseQotCSAqIG1hcmtlZCBhcyB3YyBieSB0aGUgc3lzdGVtLCBvciB0 aGUgc3lzdGVtIGlzIGNhY2hlLWNvaGVyZW50LgotCSAqLwotCWlmIChvYmotPnN0b2xlbiB8fCBv YmotPnBoeXNfaGFuZGxlKQotCQlyZXR1cm4gZmFsc2U7Ci0KLQkvKiBJZiB0aGUgR1BVIGlzIHNu b29waW5nIHRoZSBjb250ZW50cyBvZiB0aGUgQ1BVIGNhY2hlLAotCSAqIHdlIGRvIG5vdCBuZWVk IHRvIG1hbnVhbGx5IGNsZWFyIHRoZSBDUFUgY2FjaGUgbGluZXMuICBIb3dldmVyLAotCSAqIHRo ZSBjYWNoZXMgYXJlIG9ubHkgc25vb3BlZCB3aGVuIHRoZSByZW5kZXIgY2FjaGUgaXMKLQkgKiBm bHVzaGVkL2ludmFsaWRhdGVkLiAgQXMgd2UgYWx3YXlzIGhhdmUgdG8gZW1pdCBpbnZhbGlkYXRp b25zCi0JICogYW5kIGZsdXNoZXMgd2hlbiBtb3ZpbmcgaW50byBhbmQgb3V0IG9mIHRoZSBSRU5E RVIgZG9tYWluLCBjb3JyZWN0Ci0JICogc25vb3BpbmcgYmVoYXZpb3VyIG9jY3VycyBuYXR1cmFs bHkgYXMgdGhlIHJlc3VsdCBvZiBvdXIgZG9tYWluCi0JICogdHJhY2tpbmcuCi0JICovCi0JaWYg KCFmb3JjZSAmJiBjcHVfY2FjaGVfaXNfY29oZXJlbnQob2JqLT5iYXNlLmRldiwgb2JqLT5jYWNo ZV9sZXZlbCkpIHsKKwlpZiAoIWZvcmNlICYmICFpc19jcHVfZmx1c2hfcmVxdWlyZWQob2JqKSkg ewogCQlvYmotPmNhY2hlX2RpcnR5ID0gdHJ1ZTsKIAkJcmV0dXJuIGZhbHNlOwogCX0KLS0gCjIu My4wCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=