linux-kernel - Re: [PATCH v4 00/15] drm/bridge: Various quality of life improvements

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Message-ID: <20250227120004.77814e09@bootlin.com>
Date: Thu, 27 Feb 2025 12:00:04 +0100
From: Herve Codina <herve.codina@...tlin.com>
To: Maxime Ripard <mripard@...nel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Thomas Zimmermann
 <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter
 <simona@...ll.ch>, Andrzej Hajda <andrzej.hajda@...el.com>, Neil Armstrong
 <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, Laurent
 Pinchart <Laurent.pinchart@...asonboard.com>, Jonas Karlman
 <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, Douglas
 Anderson <dianders@...omium.org>, dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org, Dmitry Baryshkov
 <dmitry.baryshkov@...aro.org>, Simona Vetter <simona.vetter@...ll.ch>
Subject: Re: [PATCH v4 00/15] drm/bridge: Various quality of life
 improvements

Hi Maxime,

On Tue, 25 Feb 2025 17:43:48 +0100
Maxime Ripard <mripard@...nel.org> wrote:

> Hi,
> 
> Here's a series of changes after to the KMS helpers and bridge API
> following a bunch of reviews I did.
> 
> It's mostly centered across providing an easier time to deal with bridge
> states, and a somewhat consistent with the other entities API.
> 
> It's build tested only, with arm64 allmodconfig.
> 
> Maxime
> 
> Signed-off-by: Maxime Ripard <mripard@...nel.org>
> ---

I Tried to test this series on my system but I've got a compilation issue.
     depmod: ERROR: Cycle detected: drm -> drm_kms_helper -> drm
     depmod: ERROR: Found 2 modules in dependency cycles!

CONFIG_DRM=m in my configuration.

Tested to move to CONFIG_DRM=y but in that case, I've got
     aarch64-buildroot-linux-gnu-ld: Unexpected GOT/PLT entries detected!
     aarch64-buildroot-linux-gnu-ld: Unexpected run-time procedure linkages detected!
     aarch64-buildroot-linux-gnu-ld: drivers/gpu/drm/drm_bridge.o: in function `drm_bridge_reset_crtc':
     drivers/gpu/drm/drm_bridge.c:1413: undefined reference to `drm_atomic_helper_reset_crtc'

Best regards,
Hervé