drm/radeon: fix irq ring buffer overflow handling
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> Cc: stable@vger.kernel.org Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Reviewed-by:
Michel Dänzer <michel.daenzer@amd.com>
parent
5b753275
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