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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D284910854B8 for ; Sun, 15 Mar 2026 01:10:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B44910E46E; Sun, 15 Mar 2026 01:10:56 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=packett.cool header.i=@packett.cool header.b="Yhg6erNA"; dkim-atps=neutral Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) by gabe.freedesktop.org (Postfix) with ESMTPS id 109A610E46E for ; Sun, 15 Mar 2026 01:10:55 +0000 (UTC) Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=packett.cool; s=key1; t=1773537043; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+M2XqJARgeruA5d7QVU8YedDhdC+J9lANvOsOGmSaa8=; b=Yhg6erNAzKMdqlQPS1Nb0IKtxcaawk5s6Sk5aNdYCAb9qp240eoN0ifGv/odNOgnbs1K0n kvjFuDRAP399aafLtSjZwNfx5Qy6ld/1uaGC6hfQrWYolhSKkPWnrnKgNnTuq/+hpAISx5 OKIq0f4UFQzX3VU+EMBiCWuI67r0vXiGu6XPstSgsJ8Lv5XirrtGxxt4su4EiIuVgTnzTO BkGvmmWcZPNhFd+6g/aRSjmccBOZwdWNHK8YiTSyUPhgNnJgkHsROBzHyo3dWzW8JOXEdP f51Ni8RZToT0AAcGzsP2c9EX0efujnjKFckPv5lgmLW36KtEk5NQkb+zScKC5Q== Date: Sat, 14 Mar 2026 22:10:26 -0300 MIME-Version: 1.0 Subject: Re: [PATCH v5 00/10] drm/msm/dp: Drop the HPD state machine X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Val Packett To: Dmitry Baryshkov , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Kuogee Hsieh , Yongxing Mou Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260314-hpd-refactor-v5-0-0c8450737d64@oss.qualcomm.com> <9c4dad2c-25bd-47d2-bc40-9b551d023615@packett.cool> Content-Language: en-US In-Reply-To: <9c4dad2c-25bd-47d2-bc40-9b551d023615@packett.cool> Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 X-Migadu-Flow: FLOW_OUT 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Ck9uIDMvMTQvMjYgOTo1MSBQTSwgVmFsIFBhY2tldHQgd3JvdGU6Cj4KPiBPbiAzLzEzLzI2IDEw OjA5IFBNLCBEbWl0cnkgQmFyeXNoa292IHdyb3RlOgo+PiBDdXJyZW50bHksIGFsbCBIUEQgaW50 ZXJydXB0IGhhbmRsaW5nIG11c3QgZ28gdGhyb3VnaCB0aGUgSFBEIHN0YXRlCj4+IG1hY2hpbmUu Cj4+Cj4+IFRoaXMgaGFzIGNhdXNlZCBtYW55IGlzc3VlcyB3aGVyZSB0aGUgRFJNIGZyYW1ld29y ayBhc3N1bWVzIHRoYXQgRFAgaXMKPj4gaW4gb25lIHN0YXRlIHdoaWxlIHRoZSBzdGF0ZSBtYWNo aW5lIGlzIHN0dWNrIGluIGFub3RoZXIgc3RhdGUuCj4+Cj4+IEFzIGRpc2N1c3NlZCBoZXJlIFsx XSwgdGhpcyBzZXJpZXM6Cj4+Cj4+IC0gUmVtb3ZlcyB0aGUgc3RhdGUgbWFjaGluZQo+PiAtIE1v dmVzIGxpbmsgdHJhaW5pbmcgdG8gYXRvbWljX2VuYWJsZSgpCj4+IC0gQ2hhbmdlcyB0aGUgZGV0 ZWN0KCkgYmVoYXZpb3IgdG8gcmV0dXJuIHRydWUgaWYgYSBkaXNwbGF5IGlzIAo+PiBwaHlzaWNh bGx5Cj4+IMKgwqAgcGx1Z2dlZCBpbiAoYXMgb3Bwb3NlZCB0byBpZiB0aGUgRFAgbGluayBpcyBy ZWFkeSkuCj4+IC0gUmVtb3ZlIGV2ZW50IHF1ZXVlIGFuZCBtb3ZlIGludGVybmFsIEhQRCBoYW5k bGluZyB0byBocGRfbm90aWZ5KCkKPj4KPj4gVG8gY29ycmVjdGx5IGRldGVjdCB0aGUgZGlzcGxh eXMgd2hpY2ggYXJlIHBsdWdnZWQgb24gYm9vdCBvbiB0aGUgYm9hcmRzCj4+IHdoaWNoIHVzZSBk cC1jb25uZWN0b3IgZGV2aWNlcywgdGhpcyBzZXJpZXMgZGVwZW5kcyBvbiBbMl0uIFVTQi1DIGFu ZAo+PiBlRFAgcGFuZWxzIGFyZSBoYW5kbGVkIG5hdGl2ZWx5Lgo+Pgo+PiBbMV0gCj4+IGh0dHBz Oi8vcGF0Y2h3b3JrLmZyZWVkZXNrdG9wLm9yZy9wYXRjaC82NTYzMTIvP3Nlcmllcz0xNDIwMTAm cmV2PTIjY29tbWVudF8xMjAxNzM4Cj4+IFsyXSAKPj4gaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcv YWxsLzIwMjYwMzE0LWRwLWNvbm5lY3Rvci1ocGQtdjEtMC03ODYwNDRjZWRjMTdAb3NzLnF1YWxj b21tLmNvbS8KPgo+IFVuZm9ydHVuYXRlbHkgdGhpcyBjdXJyZW50bHkgc2VlbXMgdG8gbW9zdGx5 IGJyZWFrIGxpbmsgdHJhaW5pbmcgd2l0aCAKPiBVU0ItQywgb24geDFlODAxMDAtZGVsbC1sYXRp dHVkZS03NDU1Ogo+Cj4gW8KgIDEwMi4xOTAwODNdIFtkcm06bXNtX2RwX2N0cmxfbGlua190cmFp bl8xXzIgW21zbV1dICpFUlJPUiogbGluayAKPiB0cmFpbmluZyAjMiBvbiBwaHkgMSBmYWlsZWQu IHJldD0tMTEwCj4gW8KgIDEwMi4xOTI4NDZdIFtkcm06bXNtX2RwX2N0cmxfc2V0dXBfbWFpbl9s aW5rIFttc21dXSAqRVJST1IqIGxpbmsgCj4gdHJhaW5pbmcgb2YgTFRUUFIocykgZmFpbGVkLiBy ZXQ9LTExMAo+IFvCoCAxMDIuMjExMDk1XSBbZHJtOm1zbV9kcF9icmlkZ2VfYXRvbWljX2VuYWJs ZSBbbXNtXV0gKkVSUk9SKiBGYWlsZWQgCj4gbGluayB0cmFpbmluZyAocmM9LTEwNCkKPiBbwqAg MTAyLjIxMTE2NF0gW2RybTptc21fZHBfYXV4X2lzciBbbXNtXV0gKkVSUk9SKiBVbmV4cGVjdGVk IERQIEFVWCAKPiBJUlEgMHgwMTAwMDAwMCB3aGVuIG5vdCBidXN5Cj4gW8KgIDEwMi4yNDcxNjhd IFtkcm06bXNtX2RwX2N0cmxfbGlua190cmFpbl8xXzIgW21zbV1dICpFUlJPUiogbGluayAKPiB0 cmFpbmluZyAjMiBvbiBwaHkgMSBmYWlsZWQuIHJldD0tMTEwCj4gW8KgIDEwMi4yNTI4NTldIFtk cm06bXNtX2RwX2N0cmxfc2V0dXBfbWFpbl9saW5rIFttc21dXSAqRVJST1IqIGxpbmsgCj4gdHJh aW5pbmcgb2YgTFRUUFIocykgZmFpbGVkLiByZXQ9LTExMAo+Cj4gWy4uXQoKQWN0dWFsbHkgbG9v a3MgbGlrZSB0aGF0IG1pZ2h0J3ZlIGJlZW4gZHVlIHRvIGhhdmluZyBhcHBsaWVkIHRoZSBbMl0g CmRwLWNvbm5lY3RvciBzZXJpZXMgZnJvbSBhYm92ZS4KClJlbW92ZWQgaXQgYW5kIHJlYm9vdGVk LCBub3cgcGx1Z2dpbmcgYW5kIHVucGx1Z2dpbmcgbXVsdGlwbGUgdGltZXMgCmJldHdlZW4gdGhl IDIgcG9ydHMgd29ya3MgZmluZS4KCkV4Y2VwdCB1bnBsdWcgaXMgc3RpbGwgbm90IHJlbGlhYmxl LCB0aGUgImdob3N0IiBtb25pdG9yIG9mdGVuIHJlbWFpbnMgCmFmdGVyIHVucGx1Z2dpbmcuCgpB bG1vc3Qgbm90aGluZyBpcyBsb2dnZWQgdG8gZG1lc2csIGxpdGVyYWxseSBJJ3ZlIG9ubHkgc2Vl biB0aGlzIGxpbmUgb25jZToKW2RybTptc21fZHBfcGFuZWxfcmVhZF9zaW5rX2NhcHMgW21zbV1d ICpFUlJPUiogcGFuZWwgZWRpZCByZWFkIGZhaWxlZAoKQnV0IEkgaGF2ZSB1bnBsdWdnZWQgdGhl IG1vbml0b3Igbm93IGFuZCBJIHN0aWxsIHNlZToKCmNydGNbMTA4XTogY3J0Yy0xCiDCoCDCoCDC oCDCoCBlbmFibGU9MQogwqAgwqAgwqAgwqAgYWN0aXZlPTEKIMKgIMKgIMKgIMKgIHNlbGZfcmVm cmVzaF9hY3RpdmU9MAogwqAgwqAgwqAgwqAgcGxhbmVzX2NoYW5nZWQ9MQogwqAgwqAgwqAgwqAg bW9kZV9jaGFuZ2VkPTAKIMKgIMKgIMKgIMKgIGFjdGl2ZV9jaGFuZ2VkPTAKIMKgIMKgIMKgIMKg IGNvbm5lY3RvcnNfY2hhbmdlZD0wCiDCoCDCoCDCoCDCoCBjb2xvcl9tZ210X2NoYW5nZWQ9MAog wqAgwqAgwqAgwqAgcGxhbmVfbWFzaz0yCiDCoCDCoCDCoCDCoCBjb25uZWN0b3JfbWFzaz0yCiDC oCDCoCDCoCDCoCBlbmNvZGVyX21hc2s9MgogwqAgwqAgwqAgwqAgbW9kZTogIjM4NDB4MjU2MCI6 IDYwIDYzMTc1MCAzODQwIDM4ODggMzkyMCA0MDAwIDI1NjAgMjU2MyAyNTczIAoyNjMzIDB4NDgg MHg5CiDCoCDCoCDCoCDCoCBsbVswXT0yCiDCoCDCoCDCoCDCoCBjdGxbMF09MQogwqAgwqAgwqAg wqAgbG1bMV09MwogwqAgwqAgwqAgwqAgY3RsWzFdPTEKY29ubmVjdG9yWzM4XTogRFAtMgogwqAg wqAgwqAgwqAgY3J0Yz1jcnRjLTEKIMKgIMKgIMKgIMKgIFsuLl0KCmFuZCB0aGUgY29tcG9zaXRv ciB0aGlua3MgaXQncyBzdGlsbCBwcmVzZW50LCBJIGNhbiBtb3ZlIHRoZSBtb3VzZSB0byAKd2hl cmUgdGhlIHNjcmVlbiB3YXMgZXRjLgoKCn52YWwKCg==