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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-10-28 15:58:51 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-10-28 22:53:53 +0300 |
| commit | 98f29e8d908f2b9e3d966f6f7d63cd69b4aaf0a2 (patch) | |
| tree | 2ac622bebd0e7d0f4df5b68c274839150b003b02 /drivers/gpu/drm/i915/intel_ringbuffer.h | |
| parent | 9b81d556b11fe58827dcd87bc5deaf8da2f716ae (diff) | |
| download | linux-98f29e8d908f2b9e3d966f6f7d63cd69b4aaf0a2.tar.xz | |
drm/i915: Record space required for breadcrumb emission
In the next patch, we will use deferred breadcrumb emission. That requires
reserving sufficient space in the ringbuffer to emit the breadcrumb, which
first requires us to know how large the breadcrumb is.
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/20161028125858.23563-28-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index a5ced1649ecd..7b7aaafac0da 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -256,6 +256,7 @@ struct intel_engine_cs { #define I915_DISPATCH_PINNED BIT(1) #define I915_DISPATCH_RS BIT(2) int (*emit_breadcrumb)(struct drm_i915_gem_request *req); + int emit_breadcrumb_sz; /* Pass the request to the hardware queue (e.g. directly into * the legacy ringbuffer or to the end of an execlist). |