drm/i915: Serialise access to GFX_FLSH_CNTL
Now that many threads may try to use the same mmio to flush the global buffers after updating the PTE, serialise access to the mmio to prevent concurrent access on gen7. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191130162320.1683424-1-chris@chris-wilson.co.uk
Showing
Please register or sign in to comment