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Date: Mon, 6 Dec 2021 16:29:16 -0800 From: Douglas Anderson <dianders@...omium.org> To: dri-devel@...ts.freedesktop.org Cc: Lyude Paul <lyude@...hat.com>, Douglas Anderson <dianders@...omium.org>, Andrzej Hajda <a.hajda@...sung.com>, Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>, Jernej Skrabec <jernej.skrabec@...il.com>, Jonas Karlman <jonas@...boo.se>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Neil Armstrong <narmstrong@...libre.com>, Philip Chen <philipchen@...omium.org>, Robert Foss <robert.foss@...aro.org>, Sam Ravnborg <sam@...nborg.org>, Stephen Boyd <swboyd@...omium.org>, linux-kernel@...r.kernel.org Subject: [PATCH] drm/bridge: parade-ps8640: Add backpointer to drm_device in drm_dp_aux When we added the support for the AUX channel in commit 13afcdd7277e ("drm/bridge: parade-ps8640: Add support for AUX channel") we forgot to set "drm_dev" to avoid the warning splat at the beginning of drm_dp_aux_register(). Since everything was working I guess I never noticed the splat when testing against mainline. In any case, it's easy to fix. This is basically just like commit 6cba3fe43341 ("drm/dp: Add backpointer to drm_device in drm_dp_aux") but just for the parade-ps8640. Fixes: 13afcdd7277e ("drm/bridge: parade-ps8640: Add support for AUX channel") Signed-off-by: Douglas Anderson <dianders@...omium.org> --- drivers/gpu/drm/bridge/parade-ps8640.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c index 26898042ba3d..818704bf5e86 100644 --- a/drivers/gpu/drm/bridge/parade-ps8640.c +++ b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -449,6 +449,7 @@ static int ps8640_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; + ps_bridge->aux.drm_dev = bridge->dev; ret = drm_dp_aux_register(&ps_bridge->aux); if (ret) { dev_err(dev, "failed to register DP AUX channel: %d\n", ret); -- 2.34.1.400.ga245620fadb-goog
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