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authorChris Wilson2017-03-30 16:08:32 +0200
committerVille Syrjälä2017-03-30 16:15:49 +0200
commitf5f4c615982ddf9b898439cd039e5af6697c1c3e (patch)
treee5b99267b26c8b303833f223ca0c0397c919b30a /include/drm
parentdrm/bridge: ti-tfp410: support hpd via gpio (diff)
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drm: Convert cmpxchg(bool) back to a two step operation
ARM v6 (at least) only allows cmpxchg on 32bit variables which doesn't always include the bool type. drivers/built-in.o: In function `vblank_disable_and_save': imx-ocotp.c:(.text+0xb45e8): undefined reference to `__bad_cmpxchg' Makefile:986: recipe for target 'vmlinux' failed Reported-by: kbuild test robot <fengguang.wu@intel.com> Reported-by: Leonard Crestez <leonard.crestez@nxp.com> Fixes: 43dc7fe2b211 ("drm: Mark up accesses of vblank->enabled outside of its spinlock") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170330140832.32377-1-chris@chris-wilson.co.uk
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