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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 6D4C7C07E96 for ; Tue, 6 Jul 2021 09:25:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 549C161995 for ; Tue, 6 Jul 2021 09:25:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231196AbhGFJ21 (ORCPT ); Tue, 6 Jul 2021 05:28:27 -0400 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:37785 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230515AbhGFJ20 (ORCPT ); Tue, 6 Jul 2021 05:28:26 -0400 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.nyi.internal (Postfix) with ESMTP id F3AE2580643; Tue, 6 Jul 2021 05:25:47 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Tue, 06 Jul 2021 05:25:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm3; bh=RYFK3uCIujEv/Omrcqdc0v+UNeD +JKOwGd/0E/VyQU0=; b=oYQ67i1GUdsIuy+ixvHZuCFmIQgsKX1uYJMW5bYOmVx pa40wfpOy+Ramx6TdveFQ4aV5+baLZack23w5Tb/+BV3DOU3U9oEoKKaQNj+czf6 zeDTQeIWgDzNfcd7jNKpNf0T7BHcvijCHgPTC3+l7Bhaq//uaDohx/ZyhpMpAu+T WsZjTYZq+zf4GOLKjdVa5NOEGAOHjeG/hHnOAxHeEfTRpGLe+OUeSNPutsfh6kUT DJyQXU2a6EqHSOk9GgeVeaahxng7FeAZjr8onY8YqQdKl0St7MZ0udBfqQPAi0oj u6RshDsmmCIN3OelwrhFA2dzd3hsJkW/MINkShBqEmw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=RYFK3u CIujEv/Omrcqdc0v+UNeD+JKOwGd/0E/VyQU0=; b=pI3t0Dhy8ZLRdX1SOnf4vu HQvBZGHxELLTWsdIc1rTblVBAeS2d/pZ5nTQXzefMkRXjzprqg8+X0JablzhU79/ PEt0MZL6giANwMURDhnYL9xNWATUi6Rk9nHziP8UftMiFzgxRhnA+YbsiCuSFxs7 G7z7gjH5R+PLKehi9jwl+uU4agNOkYM0zobwTs3SH29AbPnvmK+ywAbiiZINYeqa 3EJDvz7Xmb/yKvFXn3AG9TShWaqnO70Pm9ilc2u5fvpAfGYgarvibLJVCR5vCgqS 3a5l8wvd6qME1BJ+JsdcuuOWvuZWw6gdgXZvX+7t1Fc9dEAZoq8HfZBRK4aEfRkA == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrfeejiedguddvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehgtderredttddvnecuhfhrohhmpeforgigihhm vgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrfgrth htvghrnhepleekgeehhfdutdeljefgleejffehfffgieejhffgueefhfdtveetgeehieeh gedunecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepmh grgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 6 Jul 2021 05:25:45 -0400 (EDT) Date: Tue, 6 Jul 2021 11:25:43 +0200 From: Maxime Ripard To: dri-devel@lists.freedesktop.org, Daniel Vetter , David Airlie , Maarten Lankhorst , Thomas Zimmermann Cc: Emma Anholt , Daniel Vetter , linux-kernel@vger.kernel.org, Nicolas Saenz Julienne , linux-rpi-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, Dave Stevenson , Phil Elwell , Tim Gover , Dom Cobley Subject: Re: [PATCH] drm: vc4: Fix pixel-wrap issue with DVP teardown Message-ID: <20210706092543.ek2by2utlc75bhl5@gilmour> References: <20210628130533.144617-1-maxime@cerno.tech> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="syhha5txe3pcjom5" Content-Disposition: inline In-Reply-To: <20210628130533.144617-1-maxime@cerno.tech> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --syhha5txe3pcjom5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 28, 2021 at 03:05:33PM +0200, Maxime Ripard wrote: > From: Tim Gover >=20 > Adjust the DVP enable/disable sequence to avoid a pixel getting stuck > in an internal, non resettable FIFO within PixelValve when changing > HDMI resolution. >=20 > The blank pixels features of the DVP can prevent signals back to > pixelvalve causing it to not clear the FIFO. Adjust the ordering > and timing of operations to ensure the clear signal makes it through to > pixelvalve. >=20 > Signed-off-by: Tim Gover > Signed-off-by: Maxime Ripard Applied Maxime --syhha5txe3pcjom5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCYOQhlwAKCRDj7w1vZxhR xao8AP9+kYodDYwWLfugATpx8VVY3PsupvsBakFbW5ld3V/tuAEAyfAh/FA8fkKm feVkdag9TFy5cwdssnuGqcGo32zZ5wA= =eRuZ -----END PGP SIGNATURE----- --syhha5txe3pcjom5--