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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2010-10-13 10:09:14 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-10-19 09:17:11 +0100 |
| commit | e60a0b107b3df072e23cb6d68510aa2615b059ce (patch) | |
| tree | 2cb350c6d8bd2a67bcb32b26e6d74808a86d042e /drivers/gpu/drm/i915/intel_bios.c | |
| parent | drm/i915: Fix GPIO pin to register mapping (diff) | |
| download | linux-dev-e60a0b107b3df072e23cb6d68510aa2615b059ce.tar.xz linux-dev-e60a0b107b3df072e23cb6d68510aa2615b059ce.zip | |
drm/i915: Sleep whilst waiting for the ring
If userspace is submitting so many long running batches that the ring
becomes full, throttle by sleeping for a 1ms before checking for free
space. Simply yielding was causing excessive scheduler overhead whilst
making no progress.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
0 files changed, 0 insertions, 0 deletions