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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2016-09-09 14:12:00 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-09-09 14:23:08 +0100 |
| commit | 0a046a0e93d2971d42f975b7ac409af0d4d9e7b4 (patch) | |
| tree | 74af67b35ad8bc00c8484fce8154e43d4229fee0 /drivers/gpu/drm/i915/i915_gem_request.h | |
| parent | drm/i915: Avoid incrementing hangcheck whilst waiting for external fence (diff) | |
| download | linux-dev-0a046a0e93d2971d42f975b7ac409af0d4d9e7b4.tar.xz linux-dev-0a046a0e93d2971d42f975b7ac409af0d4d9e7b4.zip | |
drm/i915: Nonblocking request submission
Now that we have fences in place to drive request submission, we can
employ those to queue requests after their dependencies as opposed to
stalling in the middle of an execbuf ioctl. (However, we still choose to
spin before enabling the IRQ as that is faster - though contentious.)
v2: Do the fence ordering first, where we can still fail.
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/20160909131201.16673-20-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_request.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_request.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h index 883df3bdb381..974bd7bcc801 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.h +++ b/drivers/gpu/drm/i915/i915_gem_request.h @@ -84,6 +84,7 @@ struct drm_i915_gem_request { struct intel_signal_node signaling; struct i915_sw_fence submit; + wait_queue_t submitq; /** GEM sequence number associated with the previous request, * when the HWS breadcrumb is equal to this the GPU is processing |