linux-kernel - mainline build failure due to f1e4c916f97f ("drm/edid: add EDID block count and size helpers")

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Message-ID: <YpCUzStDnSgQLNFN@debian>
Date:   Fri, 27 May 2022 10:07:25 +0100
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     Jani Nikula <jani.nikula@...el.com>
Cc:     Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org
Subject: mainline build failure due to f1e4c916f97f ("drm/edid: add EDID
 block count and size helpers")

Hi All,

The latest mainline kernel branch fails to build for arm spear3xx_defconfig
with the error:

In function 'edid_block_data',
    inlined from 'drm_edid_is_valid' at drivers/gpu/drm/drm_edid.c:1904:25:
././include/linux/compiler_types.h:352:45: error: call to '__compiletime_assert_250'
	declared with attribute error: BUILD_BUG_ON failed: sizeof(*edid) != EDID_LENGTH
  352 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)

git bisect pointed to f1e4c916f97f ("drm/edid: add EDID block count and size helpers")

And, reverting it on top of mainline branch has fixed the build failure.


--
Regards
Sudip