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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0pIC-0007zu-T8; Mon, 04 Mar 2019 15:14:12 +0000 Received: from relay9-d.mail.gandi.net ([217.70.183.199]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0pI8-0007zS-Qc for linux-arm-kernel@lists.infradead.org; Mon, 04 Mar 2019 15:14:10 +0000 X-Originating-IP: 90.88.147.150 Received: from aptenodytes (aaubervilliers-681-1-27-150.w90-88.abo.wanadoo.fr [90.88.147.150]) (Authenticated sender: paul.kocialkowski@bootlin.com) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 276C8FF816; Mon, 4 Mar 2019 15:14:05 +0000 (UTC) Message-ID: Subject: Re: [PATCH 3/7] drm/edid: Allow to ignore the HDMI monitor mode From: Paul Kocialkowski To: Maxime Ripard , Maarten Lankhorst , Sean Paul , Daniel Vetter , David Airlie Date: Mon, 04 Mar 2019 16:14:04 +0100 In-Reply-To: References: Organization: Bootlin User-Agent: Evolution 3.30.5 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190304_071408_941351_B1C6A111 X-CRM114-Status: GOOD ( 14.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, Eric Anholt , dri-devel@lists.freedesktop.org, Thomas Petazzoni , eben@raspberrypi.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On Mon, 2019-03-04 at 15:52 +0100, Maxime Ripard wrote: > Signed-off-by: Maxime Ripard Reviewed-by: Paul Kocialkowski Cheers, Paul > --- > drivers/gpu/drm/drm_edid.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c > index c0258b011bb2..2f6df10ed9f1 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -4156,6 +4156,11 @@ int drm_av_sync_delay(struct drm_connector *connector, > } > EXPORT_SYMBOL(drm_av_sync_delay); > > +static bool force_dvi_monitor = false; > +module_param(force_dvi_monitor, bool, 0644); > +MODULE_PARM_DESC(force_dvi_monitor, > + "Ignore the EDID and always consider the monitor as DVI instead of HDMI"); > + > /** > * drm_detect_hdmi_monitor - detect whether monitor is HDMI > * @edid: monitor EDID information > @@ -4170,6 +4175,9 @@ bool drm_detect_hdmi_monitor(struct edid *edid) > int i; > int start_offset, end_offset; > > + if (force_dvi_monitor) > + return false; > + > edid_ext = drm_find_cea_extension(edid); > if (!edid_ext) > return false; -- Paul Kocialkowski, Bootlin Embedded Linux and kernel engineering https://bootlin.com _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel