From mboxrd@z Thu Jan 1 00:00:00 1970 From: Val Kulkov Subject: Re: [PATCH] drm/i915: Avoid HPD poll detect triggering a new detect cycle Date: Mon, 28 Oct 2019 13:27:09 -0400 Message-ID: References: <20191028110031.29616-1-imre.deak@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-lf1-x141.google.com (mail-lf1-x141.google.com [IPv6:2a00:1450:4864:20::141]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8E18B6E157 for ; Mon, 28 Oct 2019 17:27:22 +0000 (UTC) Received: by mail-lf1-x141.google.com with SMTP id j5so2061895lfh.10 for ; Mon, 28 Oct 2019 10:27:22 -0700 (PDT) In-Reply-To: <20191028110031.29616-1-imre.deak@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Imre Deak Cc: intel-gfx@lists.freedesktop.org, wangqr List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAyOCBPY3QgMjAxOSBhdCAwNzowMiwgSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwu Y29tPiB3cm90ZToKPgo+IEZvciB0aGUgSFBEIGludGVycnVwdCBmdW5jdGlvbmFsaXR5IHRoZSBI VyBkZXBlbmRzIG9uIHBvd2VyIHdlbGxzIGluIHRoZQo+IGRpc3BsYXkgY29yZSBkb21haW4gdG8g YmUgb24uIEFjY29yZGluZ2x5IHdoZW4gZW5hYmxpbmcgdGhlc2UgcG93ZXIKPiB3ZWxscyB0aGUg SFBEIHBvbGxpbmcgbG9naWMgd2lsbCBmb3JjZSBhbiBIUEQgZGV0ZWN0aW9uIGN5Y2xlIHRvIGFj Y291bnQKPiBmb3IgaG90cGx1ZyBldmVudHMgdGhhdCBtYXkgaGF2ZSBoYXBwZW5lZCB3aGVuIHN1 Y2ggYSBwb3dlciB3ZWxsIHdhcwo+IG9mZi4KPgo+IFRodXMgYSBkZXRlY3QgY3ljbGUgc3RhcnRl ZCBieSBwb2xsaW5nIGNvdWxkIHN0YXJ0IGEgbmV3IGRldGVjdCBjeWNsZSBpZgo+IGEgcG93ZXIg d2VsbCBpbiB0aGUgZGlzcGxheSBjb3JlIGRvbWFpbiBnZXRzIGVuYWJsZWQgZHVyaW5nIGRldGVj dCBhbmQKPiBzdGF5cyBlbmFibGVkIGFmdGVyIGRldGVjdCBjb21wbGV0ZXMuIFRoYXQgaW4gdHVy biBjYW4gbGVhZCB0byBhCj4gZGV0ZWN0aW9uIGN5Y2xlIHJ1bmF3YXkuCj4KPiBUbyBwcmV2ZW50 IHJlLXRyaWdnZXJpbmcgYSBwb2xsLWRldGVjdCBjeWNsZSBtYWtlIHN1cmUgd2UgZHJvcCBhbGwg cG93ZXIKPiByZWZlcmVuY2VzIHdlIGFjcXVpcmVkIGR1cmluZyBkZXRlY3Qgc3luY2hyb25vdXNs eSBieSB0aGUgZW5kIG9mIGRldGVjdC4KPiBUaGlzIHdpbGwgbGV0IHRoZSBwb2xsLWRldGVjdCBs b2dpYyBjb250aW51ZSB3aXRoIHBvbGxpbmcgKG1hdGNoaW5nIHRoZQo+IG9mZiBzdGF0ZSBvZiB0 aGUgY29ycmVzcG9uZGluZyBwb3dlciB3ZWxscykgaW5zdGVhZCBvZiBzY2hlZHVsaW5nIGEgbmV3 Cj4gZGV0ZWN0aW9uIGN5Y2xlLgo+Cj4gRml4ZXM6IDZjZmU3ZWMwMmU4NSAoImRybS9pOTE1OiBS ZW1vdmUgdGhlIHVubmVlZGVkIEFVWCBwb3dlciByZWYgZnJvbSBpbnRlbF9kcF9kZXRlY3QoKSIp Cj4gQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lk PTExMjEyNQo+IFJlcG9ydGVkLWJ5OiBWYWwgS3Vsa292IDx2YWwua3Vsa292QGdtYWlsLmNvbT4K PiBSZXBvcnRlZC1hbmQtdGVzdGVkLWJ5OiB3YW5ncXIgPCB3cXIucHJnQGdtYWlsLmNvbT4KPiBD YzogVmFsIEt1bGtvdiA8dmFsLmt1bGtvdkBnbWFpbC5jb20+Cj4gQ2M6IHdhbmdxciA8IHdxci5w cmdAZ21haWwuY29tPgo+IENjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXgu aW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNv bT4KClRoZSBwYXRjaCBoYXMgYmVlbiB0ZXN0ZWQgd2l0aCBsaW51eC1kcm0tdGlwLWdpdAo1LjQu ODY1MTYyLmRkNWJjY2ZhM2I1ZC0xIG9uIEVnbG9iYWwgTlVDIEZhbmxlc3MgTWluaSBQQyBJbnRl bCBOMzE1MAphbmQgSW50ZWwgTlVDIEQzNDAxMFdZSy4gSW4gYm90aCBjYXNlcywgdGhlIHJlcG9y dGVkIHByb2JsZW0gd2FzIG5vCmxvbmdlciBvYnNlcnZlZC4KClRlc3RlZC1ieTogVmFsIEt1bGtv diA8dmFsLmt1bGtvdkBnbWFpbC5jb20+Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeA== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03D7ECA9EC2 for ; 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Mon, 28 Oct 2019 10:27:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=ZSb+GI+dlDvTS/CuNvswHy3Zjrk6DbNi0/Z4MmzIrxE=; b=n1I+XrUc9t6PSt4aNZ7E3VObE4lXmL6sAbyNm3rg8hooYIqDlhRXmk+CfP1Oc/+ARf mz7CuwU04gv/TimL1CLRUIdWG/O6KxOzF4Yy8r8pf/gEQmmIqQbBdJCyG5Lf0bRynM8y c7H2l+PMtcSXnr+c+YcCDLNLRlEoIrRlMDyBESf/ZKGyNAwAY+0ADmDe7FBk/5YYy8aK mBSIQ3PqfJpxGd+07Go+mzWwnv4pec2oqWm4WmwncKwKgtUpFlq0XFl/GLulmfK1+5Xf ELEER3+O5CHDPiyviKvHtm2WeF+LFtO4lTZ1lMMpfog0E/GU5M0xYJ8Wwe06jlDVX+fg /8lA== X-Gm-Message-State: APjAAAXFq6Hp+EE647GNF8iAxq3ulIWIhXvmcWgbd6RJRN+EJSRW7UID VlR5F+Johdo2Pn4JSj4JVPCF5/oyP38ayDIw9yk= X-Google-Smtp-Source: APXvYqwy6erh39lXc3GB6IfNDcRyNWjxfohaYGgZ3VE6+CHPpxtD6VQkooYSQoPtBMW2LxkuIgpzYUWagDjymSdHM1c= X-Received: by 2002:a19:746:: with SMTP id 67mr5333997lfh.42.1572283640753; Mon, 28 Oct 2019 10:27:20 -0700 (PDT) MIME-Version: 1.0 References: <20191028110031.29616-1-imre.deak@intel.com> In-Reply-To: <20191028110031.29616-1-imre.deak@intel.com> From: Val Kulkov Date: Mon, 28 Oct 2019 13:27:09 -0400 Message-ID: To: Imre Deak X-Mailman-Approved-At: Mon, 28 Oct 2019 17:33:41 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=ZSb+GI+dlDvTS/CuNvswHy3Zjrk6DbNi0/Z4MmzIrxE=; b=dqpSz+qEP3bgG9giBGZhtQHDJtM4zJ84eC7/SI231oTd99sj5MOArqUHWv1G/z1Vx7 7qGvNkWjUhoZrVRKATUZ9WBaKuYnvKhlKubnuCRzlC7avL0H2AtvR+Mebr62URXATghm oHa9PGzbxX9/8YtoPGJK50Czio/K9+yO89AmpdyBSXp74KiD0u+n7s2YxHJgX+7vjwSY sbfW7XO0NYpXixLz8Fk0Yby5JY5MSXNIHDgk6p2MuUzB8N75Ds9RzW6U9P7ZSsczKwjD WiHa+cUZBPlbfSRQeHEbefWQM8QyHtSIp2oIMljcb36jSLH8ig+EXoNSxmOOQvlR/di9 Ki8w== Subject: Re: [Intel-gfx] [PATCH] drm/i915: Avoid HPD poll detect triggering a new detect cycle X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, wangqr Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Message-ID: <20191028172709.g9Xrg1bUnDSwKp_O0t9rhRSgGlAvwLrkBRs4suzCoD0@z> T24gTW9uLCAyOCBPY3QgMjAxOSBhdCAwNzowMiwgSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwu Y29tPiB3cm90ZToKPgo+IEZvciB0aGUgSFBEIGludGVycnVwdCBmdW5jdGlvbmFsaXR5IHRoZSBI VyBkZXBlbmRzIG9uIHBvd2VyIHdlbGxzIGluIHRoZQo+IGRpc3BsYXkgY29yZSBkb21haW4gdG8g YmUgb24uIEFjY29yZGluZ2x5IHdoZW4gZW5hYmxpbmcgdGhlc2UgcG93ZXIKPiB3ZWxscyB0aGUg SFBEIHBvbGxpbmcgbG9naWMgd2lsbCBmb3JjZSBhbiBIUEQgZGV0ZWN0aW9uIGN5Y2xlIHRvIGFj Y291bnQKPiBmb3IgaG90cGx1ZyBldmVudHMgdGhhdCBtYXkgaGF2ZSBoYXBwZW5lZCB3aGVuIHN1 Y2ggYSBwb3dlciB3ZWxsIHdhcwo+IG9mZi4KPgo+IFRodXMgYSBkZXRlY3QgY3ljbGUgc3RhcnRl ZCBieSBwb2xsaW5nIGNvdWxkIHN0YXJ0IGEgbmV3IGRldGVjdCBjeWNsZSBpZgo+IGEgcG93ZXIg d2VsbCBpbiB0aGUgZGlzcGxheSBjb3JlIGRvbWFpbiBnZXRzIGVuYWJsZWQgZHVyaW5nIGRldGVj dCBhbmQKPiBzdGF5cyBlbmFibGVkIGFmdGVyIGRldGVjdCBjb21wbGV0ZXMuIFRoYXQgaW4gdHVy biBjYW4gbGVhZCB0byBhCj4gZGV0ZWN0aW9uIGN5Y2xlIHJ1bmF3YXkuCj4KPiBUbyBwcmV2ZW50 IHJlLXRyaWdnZXJpbmcgYSBwb2xsLWRldGVjdCBjeWNsZSBtYWtlIHN1cmUgd2UgZHJvcCBhbGwg cG93ZXIKPiByZWZlcmVuY2VzIHdlIGFjcXVpcmVkIGR1cmluZyBkZXRlY3Qgc3luY2hyb25vdXNs eSBieSB0aGUgZW5kIG9mIGRldGVjdC4KPiBUaGlzIHdpbGwgbGV0IHRoZSBwb2xsLWRldGVjdCBs b2dpYyBjb250aW51ZSB3aXRoIHBvbGxpbmcgKG1hdGNoaW5nIHRoZQo+IG9mZiBzdGF0ZSBvZiB0 aGUgY29ycmVzcG9uZGluZyBwb3dlciB3ZWxscykgaW5zdGVhZCBvZiBzY2hlZHVsaW5nIGEgbmV3 Cj4gZGV0ZWN0aW9uIGN5Y2xlLgo+Cj4gRml4ZXM6IDZjZmU3ZWMwMmU4NSAoImRybS9pOTE1OiBS ZW1vdmUgdGhlIHVubmVlZGVkIEFVWCBwb3dlciByZWYgZnJvbSBpbnRlbF9kcF9kZXRlY3QoKSIp Cj4gQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lk PTExMjEyNQo+IFJlcG9ydGVkLWJ5OiBWYWwgS3Vsa292IDx2YWwua3Vsa292QGdtYWlsLmNvbT4K PiBSZXBvcnRlZC1hbmQtdGVzdGVkLWJ5OiB3YW5ncXIgPCB3cXIucHJnQGdtYWlsLmNvbT4KPiBD YzogVmFsIEt1bGtvdiA8dmFsLmt1bGtvdkBnbWFpbC5jb20+Cj4gQ2M6IHdhbmdxciA8IHdxci5w cmdAZ21haWwuY29tPgo+IENjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXgu aW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNv bT4KClRoZSBwYXRjaCBoYXMgYmVlbiB0ZXN0ZWQgd2l0aCBsaW51eC1kcm0tdGlwLWdpdAo1LjQu ODY1MTYyLmRkNWJjY2ZhM2I1ZC0xIG9uIEVnbG9iYWwgTlVDIEZhbmxlc3MgTWluaSBQQyBJbnRl bCBOMzE1MAphbmQgSW50ZWwgTlVDIEQzNDAxMFdZSy4gSW4gYm90aCBjYXNlcywgdGhlIHJlcG9y dGVkIHByb2JsZW0gd2FzIG5vCmxvbmdlciBvYnNlcnZlZC4KClRlc3RlZC1ieTogVmFsIEt1bGtv diA8dmFsLmt1bGtvdkBnbWFpbC5jb20+Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeA==