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authorArnd Bergmann <arnd@arndb.de>2016-02-22 22:33:31 +0100
committerStefan Agner <stefan@agner.ch>2016-04-25 20:27:18 -0700
commita5dab991398996aaef658641a707ae09e002db6b (patch)
treeef5dc088ce1b999d60b38e1d77194389936f6abe /tools/perf/scripts/python/call-graph-from-postgresql.py
parentfb127b7943c9262f5d95f402922d92b9d6c1dad2 (diff)
drm/layerscape: reduce excessive stack usage
The fsl-dcu driver copies a drm_mode_config object to its stack but then only accesses a single member (dpms_property) once. The data structure is large enough to trigger a warning about the amount of kernel stack being used: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c: In function 'fsl_dcu_drm_connector_create': drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c:182:1: error: the frame size of 1040 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] This changes the fsl_dcu_drm_connector_create() function to only access the drm_mode_config by reference, which is also more efficient. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 109eee2f2a18 ("drm/layerscape: Add Freescale DCU DRM driver") Signed-off-by: Stefan Agner <stefan@agner.ch>
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