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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1F435C0044D for ; Mon, 16 Mar 2020 12:54:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E551F20658 for ; Mon, 16 Mar 2020 12:54:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731146AbgCPMyd (ORCPT ); Mon, 16 Mar 2020 08:54:33 -0400 Received: from mx2.suse.de ([195.135.220.15]:36122 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730878AbgCPMyd (ORCPT ); Mon, 16 Mar 2020 08:54:33 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 6C502AB64; Mon, 16 Mar 2020 12:54:31 +0000 (UTC) Message-ID: <9d8e1679b755940d85c95d5df8714d4bb3505cdc.camel@suse.de> Subject: Re: [PATCH 86/89] drm/vc4: hdmi: Adjust HSM clock rate depending on pixel rate From: Nicolas Saenz Julienne To: Maxime Ripard , Eric Anholt Cc: Tim Gover , Dave Stevenson , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org Date: Mon, 16 Mar 2020 13:54:29 +0100 In-Reply-To: References: Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-2Nhzgdng4j8pr0d0VEie" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-2Nhzgdng4j8pr0d0VEie Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Maxime, On Mon, 2020-02-24 at 10:07 +0100, Maxime Ripard wrote: > @@ -1460,6 +1456,7 @@ static int vc4_hdmi_dev_remove(struct platform_devi= ce > *pdev) > } > =20 > struct vc4_hdmi_variant bcm2835_variant =3D { > + .max_pixel_clock =3D 148500000, Just a reminder this might change in the close future: https://www.spinics.net/lists/arm-kernel/msg793013.html Regards, Nicolas j > .audio_available =3D true, > .cec_available =3D true, > .registers =3D vc4_hdmi_fields, > diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdm= i.h > index cbb1d3ab85d7..ee9753255b68 100644 > --- a/drivers/gpu/drm/vc4/vc4_hdmi.h > +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h > @@ -38,6 +38,9 @@ struct vc4_hdmi_variant { > /* Set to true when the CEC support is available */ > bool cec_available; > =20 > + /* Maximum pixel clock supported by the controller (in Hz) */ > + unsigned long long max_pixel_clock; > + > /* List of the registers available on that variant */ > const struct vc4_hdmi_register *registers; > =20 --=-2Nhzgdng4j8pr0d0VEie Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEErOkkGDHCg2EbPcGjlfZmHno8x/4FAl5vdwUACgkQlfZmHno8 x/5Emwf/c9TYjBffVgvOA41mykLV4Nr8lGqYlbGeCSqOkIJClpTw0XDG/Sam289n NVS5OpnsEXJWm2HMrWgVqYqZHb3E609pjVeibMyMUhBIvounfpp5kiGI0ZUfCm68 +JarBt0WtkW+731jvBxEnmfWB5j8FpHiZrSJkU5Eo7C7OhIHEAXvU+ZH6TdPqll6 Zjic3+8SBELK0JfFzgB6qkVWFT4UBVpxQ53sokDF+NGROgOEdUkHWxivw9SGvFsg ewD3v2fbRdUNVTXI/9htZH4I/lupf3byyRQRnx8IWrzI/1U3NzY1xiHU3qEKUW3Q DQNY46wnSbAgfaRuOCuI0lgcGztljw== =xZA/ -----END PGP SIGNATURE----- --=-2Nhzgdng4j8pr0d0VEie--