drm/i915: Double check the active status on the batch pool

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We should not rely on obj->active being uptodate unless we manually
flush it. Instead, we can verify that the next available batch object is
idle by looking at its last active request (and checking it for
completion).

v2: remove the struct drm_device forward declaration added in the
process of removing its necessity

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470324762-2545-3-git-send-email-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2016-08-04 16:32:19 +01:00

parent e522ac2324

commit 115003e9ff

3 changed files with 13 additions and 10 deletions

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15

drivers/gpu/drm/i915/i915_gem_batch_pool.c

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6

drivers/gpu/drm/i915/i915_gem_batch_pool.h

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2

drivers/gpu/drm/i915/intel_engine_cs.c

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