linux-kernel - Re: [PATCH] drm/vc4: hdmi: Rely on interrupts to handle hotplug

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Message-ID: <20210616122019.f4u2zndgbpb32j3f@gilmour>
Date:   Wed, 16 Jun 2021 14:20:19 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Dave Stevenson <dave.stevenson@...pberrypi.com>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Eric Anholt <eric@...olt.net>,
        Phil Elwell <phil@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Dom Cobley <dom@...pberrypi.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH] drm/vc4: hdmi: Rely on interrupts to handle hotplug

On Wed, Jun 16, 2021 at 11:09:29AM +0100, Dave Stevenson wrote:
> On Mon, 24 May 2021 at 14:20, Maxime Ripard <maxime@...no.tech> wrote:
> >
> > DRM currently polls for the HDMI connector status every 10s, which can
> > be an issue when we connect/disconnect a display quickly or the device
> > on the other end only issues a hotplug pulse (for example on EDID
> > change).
> >
> > Switch the driver to rely on the internal controller logic for the
> > BCM2711/RPi4.
> 
> Reviewed-by: Dave Stevenson <dave.stevenson@...pberrypi.com>

Applied (with a compilation fix), thanks
Maxime

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