From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Reichel Subject: Re: [PATCH 6/6] ARM: dts: omap4-droid4: Add LCD Date: Sun, 19 Mar 2017 23:55:42 +0100 Message-ID: <20170319225542.ts53qpwdhdrmy2ac@earth> References: <20170305054359.8293-1-tony@atomide.com> <20170305054359.8293-7-tony@atomide.com> <20170319012927.kmyqngprpip7le4m@earth> <20170319161030.GA20572@atomide.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="jhksawfyo5gmnb5j" Return-path: Content-Disposition: inline In-Reply-To: <20170319161030.GA20572-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tony Lindgren Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, =?iso-8859-1?Q?Beno=EEt?= Cousson , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Marcel Partap , Michael Scott , Tomi Valkeinen List-Id: devicetree@vger.kernel.org --jhksawfyo5gmnb5j Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Sun, Mar 19, 2017 at 09:10:30AM -0700, Tony Lindgren wrote: > * Sebastian Reichel [170318 18:31]: > > Hi, > >=20 > > On Sat, Mar 04, 2017 at 09:43:59PM -0800, Tony Lindgren wrote: > > > The LCD panel on droid 4 is a command mode LCD. The binding follows > > > the standard omapdrm binding and the changes needed for omapdrm comma= nd > > > mode panels are posted separately. > > >=20 > > > Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > > > Cc: Marcel Partap > > > Cc: Michael Scott > > > Cc: Sebastian Reichel > > > Cc: Tomi Valkeinen > > > Signed-off-by: Tony Lindgren > >=20 > > Tested-By: Sebastian Reichel > >=20 > > With a non-modular kernel lcd is not working with omapdrm if HDMI > > is enabled. After dropping HDMI in droid4's dts file everything > > worked as expected. I assume both work properly with a modular > > kernel? >=20 > Yes with loadable modules both work just fine. If things do not > work properly as built-in, chances are there's some unhandled > dependency that needs -EPROBE_DEFER somewhere for a regulator > or a clock. I think that would also result in problems with disabled HDMI. I guess the problem is, that omapdrm is initialized too early. AFAIK omapdrm is not hotplug-capable. -- Sebastian --jhksawfyo5gmnb5j Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAljPDGsACgkQ2O7X88g7 +pqpaRAAgbeurX0dOBRFAOOO0bElq8n4qPm3zhJRR5gAFZVRQN2D3gtZ+PTMPnZn lyaYdX4GzK2kCw8Jz/noSyhOzDLHUdTFPuyH8BMGIDEZJv9lr7Hn25o6b9CxcWHx wZMAG6jF902oXnBemvpwXRTNCB4Ktp9cremOL3cE7COydSPIhlGTt6c29GdttgjV Fnw6tmFnOyYcyjqQJma52xHWWFo6vIHkiP6xa+cPHmchtqx5m17/0UNu7Ex/6aMI Q0S5vVJkbeuTCJD1IhXECCCwS2b0UxpYmFTQPGGGMrcVDxCpsBYSPEO9IjnZZ1qH hNQ/eGXwRoNOpw5KP1cKOmjF13y8Wt1nc29AspewtjZfsZD8NwUgjTr9epNRfRYM Fc/BlZPMwwwdTm5LHIg4vYQdOiUwjKLwV20uCLvVVaou5XQxBp+n1w+wF2lP6c11 xFgNFJxXYY1JrE4GBQLMMRvhIf4fHBukOX8jwjdrCK5Uoi5nLI1eCh/8/UnfZ5H2 zZr4WBM1+OE60gQMBacasRp5ay2HSjns2+cYW2dsbXjP3/gTwfdXXCe3QSzE0eoD mxLaewQ+6dJ4tKOhisl1ceAQTG+T4hZbY1w8mTs5bSIfFBSYSWXvjJ3i4OPqcb+t Ld2z2C+6liB39GF7nRIykcey5727zLCPpnZbe5SaK9XY2eR/RtI= =PLxj -----END PGP SIGNATURE----- --jhksawfyo5gmnb5j-- -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html