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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 19:52:57 +0000 (12:52 -0700)
commit	96b9da39c0946eb04481f4f2ca47651015a4de1b
tree	a9e4fd16da7e85cc9f782dbf70676750a228d76f	tree
parent	80705fca953d4f2983d5197401de4ce7af7699d3	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