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spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A9B9A6E4BA; Wed, 1 Jul 2020 22:09:18 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9A5C66E4BA for ; Wed, 1 Jul 2020 22:09:17 +0000 (UTC) IronPort-SDR: tTzghPfk3bs/IqqOA3Ww+LVK6vmfNgFOZM3b4+59HxDUA379EEt8s39qFumlpr+cnu21SJUYeO yotVgg3oibHg== X-IronPort-AV: E=McAfee;i="6000,8403,9669"; a="134175868" X-IronPort-AV: E=Sophos;i="5.75,301,1589266800"; d="scan'208";a="134175868" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2020 15:09:16 -0700 IronPort-SDR: HHLsPZUKxa0y8+1nGmaiqutWut0c8ssxqXGD9OhbHfcBQl6g8DX95hzQ3UFkWE8LXZwoUifM5U SRCbEtnV4R7A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,301,1589266800"; d="scan'208";a="387142848" Received: from labuser-z97x-ud5h.jf.intel.com ([10.165.21.211]) by fmsmga001.fm.intel.com with ESMTP; 01 Jul 2020 15:09:16 -0700 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Wed, 1 Jul 2020 15:10:51 -0700 Message-Id: <20200701221052.8946-1-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 1/2] drm/i915/dp: Helper for checking DDI_BUF_CTL Idle status X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" TW9kaWZ5IHRoZSBoZWxwZXIgdG8gYWRkIGEgZml4ZWQgZGVsYXkgb3IgcG9sbCB3aXRoIHRpbWVv dXQKYmFzZWQgb24gcGxhdGZvcm0gc3BlY2lmaWNhdGlvbiB0byBjaGVjayBmb3IgZWl0aGVyIElk bGUgYml0CnNldCAoRERJX0JVRl9DVEwgaXMgaWRsZSBmb3IgZGlzYWJsZSBjYXNlKQoKdjI6Ciog VXNlIDIgc2VwYXJhdGUgZnVuY3Rpb25zIG9yIGlkbGUgYW5kIGFjdGl2ZSAoVmlsbGUpCnYzOgoq IENoYW5nZSB0aGUgdGltZW91dCB0byAxNnVzZWNzIChWaWxsZSkKdjQ6CiogQ2hhbmdlIHRoZSB0 aW1lb3V0IDgsIGZvbGxvdyBzcGVjIChWaWxsZSkKCkNjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxl LnN5cmphbGFAbGludXguaW50ZWwuY29tPgpDYzogSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwu Y29tPgpTaWduZWQtb2ZmLWJ5OiBNYW5hc2kgTmF2YXJlIDxtYW5hc2kuZC5uYXZhcmVAaW50ZWwu Y29tPgpSZXZpZXdlZC1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4Lmlu dGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2RkaS5jIHwg MTcgKysrKysrKystLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA4IGluc2VydGlvbnMoKyksIDkg ZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9p bnRlbF9kZGkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZGRpLmMKaW5k ZXggMDI1ZDQwNTJmNmY4Li5hN2RlMTM0NGRiNjkgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2Rpc3BsYXkvaW50ZWxfZGRpLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlz cGxheS9pbnRlbF9kZGkuYwpAQCAtMTE4NCwxNiArMTE4NCwxNSBAQCBzdGF0aWMgdm9pZCBpbnRl bF9wcmVwYXJlX2hkbWlfZGRpX2J1ZmZlcnMoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIs CiBzdGF0aWMgdm9pZCBpbnRlbF93YWl0X2RkaV9idWZfaWRsZShzdHJ1Y3QgZHJtX2k5MTVfcHJp dmF0ZSAqZGV2X3ByaXYsCiAJCQkJICAgIGVudW0gcG9ydCBwb3J0KQogewotCWk5MTVfcmVnX3Qg cmVnID0gRERJX0JVRl9DVEwocG9ydCk7Ci0JaW50IGk7Ci0KLQlmb3IgKGkgPSAwOyBpIDwgMTY7 IGkrKykgewotCQl1ZGVsYXkoMSk7Ci0JCWlmIChpbnRlbF9kZV9yZWFkKGRldl9wcml2LCByZWcp ICYgRERJX0JVRl9JU19JRExFKQotCQkJcmV0dXJuOworCWlmIChJU19CUk9YVE9OKGRldl9wcml2 KSkgeworCQl1ZGVsYXkoMTYpOworCQlyZXR1cm47CiAJfQotCWRybV9lcnIoJmRldl9wcml2LT5k cm0sICJUaW1lb3V0IHdhaXRpbmcgZm9yIERESSBCVUYgJWMgaWRsZSBiaXRcbiIsCi0JCXBvcnRf bmFtZShwb3J0KSk7CisKKwlpZiAod2FpdF9mb3JfdXMoKGludGVsX2RlX3JlYWQoZGV2X3ByaXYs IERESV9CVUZfQ1RMKHBvcnQpKSAmCisJCQkgRERJX0JVRl9JU19JRExFKSwgOCkpCisJCWRybV9l cnIoJmRldl9wcml2LT5kcm0sICJUaW1lb3V0IHdhaXRpbmcgZm9yIERESSBCVUYgJWMgdG8gZ2V0 IGlkbGVcbiIsCisJCQlwb3J0X25hbWUocG9ydCkpOwogfQogCiBzdGF0aWMgdTMyIGhzd19wbGxf dG9fZGRpX3BsbF9zZWwoY29uc3Qgc3RydWN0IGludGVsX3NoYXJlZF9kcGxsICpwbGwpCi0tIAoy LjE5LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCklu dGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=