linux-kernel - [PATCH] drm: Fix build error caused by missing drm

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Date:   Sat, 27 Nov 2021 20:19:10 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javierm@...hat.com>,
        kernel test robot <lkp@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jani Nikula <jani.nikula@...el.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Pekka Paalanen <pekka.paalanen@...labora.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH] drm: Fix build error caused by missing drm_nomodeset.o

The patch for commit ("6a2d2ddf2c34 drm: Move nomodeset kernel parameter
to the DRM subsystem") was generated with config 'diff.noprefix true'.

But later was applied using 'cat nomodeset.mbox | dim apply-branch' on a
machine with 'diff.noprefix false'. And command 'git am --scissors -3' as
used by the dim tool doesn't handle that case well, since the 3-way merge
wrongly resolves the path for new file drivers/gpu/drm/drm_nomodeset.c as
gpu/drm/drm_nomodeset.c instead.

It led to the following build error as reported by the kernel test robot:

  make[4]: *** No rule to make target 'drivers/gpu/drm/drm_nomodeset.o', needed by 'drivers/gpu/drm/built-in.a'.

Fixes: ("6a2d2ddf2c34 drm: Move nomodeset kernel parameter to the DRM subsystem")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
---

 {gpu => drivers/gpu}/drm/drm_nomodeset.c | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename {gpu => drivers/gpu}/drm/drm_nomodeset.c (100%)

diff --git a/gpu/drm/drm_nomodeset.c b/drivers/gpu/drm/drm_nomodeset.c
similarity index 100%
rename from gpu/drm/drm_nomodeset.c
rename to drivers/gpu/drm/drm_nomodeset.c
-- 
2.33.1