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spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 78C9F6EC22; Fri, 27 Nov 2020 12:08:21 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 34DEE6EC22; Fri, 27 Nov 2020 12:08:20 +0000 (UTC) IronPort-SDR: Hu68fXvhCAU8Xc2oZ+UBmVIycEVRj2IrrdzEBvIio6SCI6YapEQw8vaxZTiC42AxrWHQ68NOYJ nqucVk+YbW4Q== X-IronPort-AV: E=McAfee;i="6000,8403,9817"; a="168883429" X-IronPort-AV: E=Sophos;i="5.78,374,1599548400"; d="scan'208";a="168883429" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2020 04:08:19 -0800 IronPort-SDR: TH0vZ/CSedh5HRWzoh5MfLZnUqT79CmHhDDM4ZHxep/2Swq75v0sIMYYB51bjjvKfrp17A6fRG gGU0sE5SODAA== X-IronPort-AV: E=Sophos;i="5.78,374,1599548400"; d="scan'208";a="548028695" Received: from mjgleeso-mobl.ger.corp.intel.com (HELO mwauld-desk1.ger.corp.intel.com) ([10.251.85.2]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2020 04:08:18 -0800 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Subject: [RFC PATCH 029/162] drm/i915: Handle ww locking in init_status_page Date: Fri, 27 Nov 2020 12:05:05 +0000 Message-Id: <20201127120718.454037-30-matthew.auld@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201127120718.454037-1-matthew.auld@intel.com> References: <20201127120718.454037-1-matthew.auld@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org, =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogTWFhcnRlbiBMYW5raG9yc3QgPG1hYXJ0ZW4ubGFua2hvcnN0QGxpbnV4LmludGVsLmNv bT4KClRyeSB0byBwaW4gdG8gZ2d0dCBmaXJzdCwgYW5kIHVzZSBhIGZ1bGwgd3cgbG9vcCB0byBo YW5kbGUKZXZpY3Rpb24gY29ycmVjdGx5LgoKU2lnbmVkLW9mZi1ieTogTWFhcnRlbiBMYW5raG9y c3QgPG1hYXJ0ZW4ubGFua2hvcnN0QGxpbnV4LmludGVsLmNvbT4KQ2M6IFRob21hcyBIZWxsc3Ry w7ZtIDx0aG9tYXMuaGVsbHN0cm9tQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9k cm0vaTkxNS9ndC9pbnRlbF9lbmdpbmVfY3MuYyB8IDM3ICsrKysrKysrKysrKysrKy0tLS0tLS0t CiAxIGZpbGUgY2hhbmdlZCwgMjQgaW5zZXJ0aW9ucygrKSwgMTMgZGVsZXRpb25zKC0pCgpkaWZm IC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZ3QvaW50ZWxfZW5naW5lX2NzLmMgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9lbmdpbmVfY3MuYwppbmRleCA5N2NlYWY3MTE2ZTgu LjQyMGM2YTM1ZjNlZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZ3QvaW50ZWxf ZW5naW5lX2NzLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZ3QvaW50ZWxfZW5naW5lX2Nz LmMKQEAgLTYxOCw2ICs2MTgsNyBAQCBzdGF0aWMgdm9pZCBjbGVhbnVwX3N0YXR1c19wYWdlKHN0 cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSkKIH0KIAogc3RhdGljIGludCBwaW5fZ2d0dF9z dGF0dXNfcGFnZShzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmUsCisJCQkJc3RydWN0IGk5 MTVfZ2VtX3d3X2N0eCAqd3csCiAJCQkJc3RydWN0IGk5MTVfdm1hICp2bWEpCiB7CiAJdW5zaWdu ZWQgaW50IGZsYWdzOwpAQCAtNjM4LDEyICs2MzksMTMgQEAgc3RhdGljIGludCBwaW5fZ2d0dF9z dGF0dXNfcGFnZShzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmUsCiAJZWxzZQogCQlmbGFn cyA9IFBJTl9ISUdIOwogCi0JcmV0dXJuIGk5MTVfZ2d0dF9waW4odm1hLCBOVUxMLCAwLCBmbGFn cyk7CisJcmV0dXJuIGk5MTVfZ2d0dF9waW4odm1hLCB3dywgMCwgZmxhZ3MpOwogfQogCiBzdGF0 aWMgaW50IGluaXRfc3RhdHVzX3BhZ2Uoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lKQog ewogCXN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmo7CisJc3RydWN0IGk5MTVfZ2VtX3d3 X2N0eCB3dzsKIAlzdHJ1Y3QgaTkxNV92bWEgKnZtYTsKIAl2b2lkICp2YWRkcjsKIAlpbnQgcmV0 OwpAQCAtNjY3LDMwICs2NjksMzkgQEAgc3RhdGljIGludCBpbml0X3N0YXR1c19wYWdlKHN0cnVj dCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSkKIAl2bWEgPSBpOTE1X3ZtYV9pbnN0YW5jZShvYmos ICZlbmdpbmUtPmd0LT5nZ3R0LT52bSwgTlVMTCk7CiAJaWYgKElTX0VSUih2bWEpKSB7CiAJCXJl dCA9IFBUUl9FUlIodm1hKTsKLQkJZ290byBlcnI7CisJCWdvdG8gZXJyX3B1dDsKIAl9CiAKKwlp OTE1X2dlbV93d19jdHhfaW5pdCgmd3csIHRydWUpOworcmV0cnk6CisJcmV0ID0gaTkxNV9nZW1f b2JqZWN0X2xvY2sob2JqLCAmd3cpOworCWlmICghcmV0ICYmICFIV1NfTkVFRFNfUEhZU0lDQUwo ZW5naW5lLT5pOTE1KSkKKwkJcmV0ID0gcGluX2dndHRfc3RhdHVzX3BhZ2UoZW5naW5lLCAmd3cs IHZtYSk7CisJaWYgKHJldCkKKwkJZ290byBlcnI7CisKIAl2YWRkciA9IGk5MTVfZ2VtX29iamVj dF9waW5fbWFwKG9iaiwgSTkxNV9NQVBfV0IpOwogCWlmIChJU19FUlIodmFkZHIpKSB7CiAJCXJl dCA9IFBUUl9FUlIodmFkZHIpOwotCQlnb3RvIGVycjsKKwkJZ290byBlcnJfdW5waW47CiAJfQog CiAJZW5naW5lLT5zdGF0dXNfcGFnZS5hZGRyID0gbWVtc2V0KHZhZGRyLCAwLCBQQUdFX1NJWkUp OwogCWVuZ2luZS0+c3RhdHVzX3BhZ2Uudm1hID0gdm1hOwogCi0JaWYgKCFIV1NfTkVFRFNfUEhZ U0lDQUwoZW5naW5lLT5pOTE1KSkgewotCQlyZXQgPSBwaW5fZ2d0dF9zdGF0dXNfcGFnZShlbmdp bmUsIHZtYSk7Ci0JCWlmIChyZXQpCi0JCQlnb3RvIGVycl91bnBpbjsKLQl9Ci0KLQlyZXR1cm4g MDsKLQogZXJyX3VucGluOgotCWk5MTVfZ2VtX29iamVjdF91bnBpbl9tYXAob2JqKTsKKwlpZiAo cmV0KQorCQlpOTE1X3ZtYV91bnBpbih2bWEpOwogZXJyOgotCWk5MTVfZ2VtX29iamVjdF9wdXQo b2JqKTsKKwlpZiAocmV0ID09IC1FREVBRExLKSB7CisJCXJldCA9IGk5MTVfZ2VtX3d3X2N0eF9i YWNrb2ZmKCZ3dyk7CisJCWlmICghcmV0KQorCQkJZ290byByZXRyeTsKKwl9CisJaTkxNV9nZW1f d3dfY3R4X2ZpbmkoJnd3KTsKK2Vycl9wdXQ6CisJaWYgKHJldCkKKwkJaTkxNV9nZW1fb2JqZWN0 X3B1dChvYmopOwogCXJldHVybiByZXQ7CiB9CiAKLS0gCjIuMjYuMgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApk cmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==