From mboxrd@z Thu Jan 1 00:00:00 1970 From: p.zabel@pengutronix.de (Philipp Zabel) Date: Mon, 06 Jan 2014 18:41:28 +0100 Subject: [PATCH RFC 27/46] imx-drm: convert to componentised device support In-Reply-To: <52C70C1A.3090108@boundarydevices.com> References: <20140102212528.GD7383@n2100.arm.linux.org.uk> <1388767737.19394.32.camel@pizza.hi.pengutronix.de> <20140103170724.GT7383@n2100.arm.linux.org.uk> <1388770004.19394.42.camel@pizza.hi.pengutronix.de> <52C70C1A.3090108@boundarydevices.com> Message-ID: <1389030088.5590.30.camel@pizza.hi.pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Eric, Am Freitag, den 03.01.2014, 12:14 -0700 schrieb Eric Nelson: > This is an issue we've seen before. The SABRE Lite board has > a voltage divider on the HPD pins and some monitors (esp. DVI > monitors) either don't drive things high enough to assert HPD or > bounce with connect/disconnect. Yes, I used a DVI monitor. > We've instrumented our 3.0.35 kernels to use the RX_SENSE bits > instead. Reacting to RX_SENSE0 instead of HPD seems to work. thanks Philipp