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author	Christian König <christian.koenig@amd.com>
	Wed, 23 Jul 2014 07:47:58 +0000 (09:47 +0200)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Thu, 31 Jul 2014 19:44:08 +0000 (12:44 -0700)
commit	98ccc673c30a167e8ff76291e4416230f8f224ca
tree	374a9d9ed8b4d46b718acafb4c0b18e6bd204475	tree
parent	af6c7be2438669c5c8c1ea64697b3908c721a043	commit \| diff

drm/radeon: fix irq ring buffer overflow handling

commit e8c214d22e76dd0ead38f97f8d2dc09aac70d651 upstream.

We must mask out the overflow bit as well, otherwise
the wptr will never match the rptr again and the interrupt
handler will loop forever.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

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drivers/gpu/drm/radeon/cik.c		diff \| blob \| blame \| history
drivers/gpu/drm/radeon/evergreen.c		diff \| blob \| blame \| history
drivers/gpu/drm/radeon/r600.c		diff \| blob \| blame \| history
drivers/gpu/drm/radeon/si.c		diff \| blob \| blame \| history