From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: Re: [PATCH V3 2/5] dts/imx6q-b850v3: Configure IPU assignment order Date: Mon, 01 Aug 2016 10:54:07 +0200 Message-ID: <1470041647.6640.3.camel@pengutronix.de> References: <1464626385-19253-1-git-send-email-peter.senna@collabora.com> <7e5985c0b25505eeaf50294ea04ed750c6c0f576.1469993472.git.peter.senna@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <7e5985c0b25505eeaf50294ea04ed750c6c0f576.1469993472.git.peter.senna-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter Senna Tschudin Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, fabio.estevam-3arQi8VN3Tc@public.gmane.org, linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org, airlied-cv59FeDIM0c@public.gmane.org, p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org, treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, ykk-TNX95d0MmH7DzftRWevZcw@public.gmane.org, andrey.gusakov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org, boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Rob Herring List-Id: devicetree@vger.kernel.org Am Sonntag, den 31.07.2016, 21:55 +0200 schrieb Peter Senna Tschudin: > As the IPU has combined limitations across multiple crtcs, and as that > can't be communicated to userspace at the moment, reorder the crtcs to > allow support to two Full-HD monitors by avoiding assigning two > monitors to a single IPU. > > Cc: Enric Balletbo i Serra > Cc: Philipp Zabel > Cc: Rob Herring > Cc: Fabio Estevam > Signed-off-by: Peter Senna Tschudin NACK. This is a userspace issue. Changing the assignment order of the CRTCs just shifts the failure to a userspace that want to use CRTC 0 and 2 now. imx-drm just got atomic support and with the atomic check it should be possible to inform userspace in a reasonable way about such issues. Regards, Lucas > --- > Unchanged from V2. > > Changes from V1: > - New commit message > > arch/arm/boot/dts/imx6q-b850v3.dts | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/imx6q-b850v3.dts b/arch/arm/boot/dts/imx6q-b850v3.dts > index 167f744..88a70de 100644 > --- a/arch/arm/boot/dts/imx6q-b850v3.dts > +++ b/arch/arm/boot/dts/imx6q-b850v3.dts > @@ -51,6 +51,11 @@ > chosen { > stdout-path = &uart3; > }; > + > + display-subsystem { > + compatible = "fsl,imx-display-subsystem"; > + ports = <&ipu1_di0>, <&ipu2_di0>, <&ipu1_di1>, <&ipu2_di1>; > + }; > }; > > &clks { -- 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