drm/i915: Combine seqno + tracking into a global timeline struct
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 28 Oct 2016 12:58:46 +0000 (13:58 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 28 Oct 2016 19:53:51 +0000 (20:53 +0100)
commit73cb97010d4fdd2a29f00cac14d206c7641c23d2
tree12b4cce6baf04b330478ecfd85f002fd2c978db9
parentc004a90b7263e3d5811f6ec7de0abb143f3099b3
drm/i915: Combine seqno + tracking into a global timeline struct

Our timelines are more than just a seqno. They also provide an ordered
list of requests to be executed. Due to the restriction of handling
individual address spaces, we are limited to a timeline per address
space but we use a fence context per engine within.

Our first step to introducing independent timelines per context (i.e. to
allow each context to have a queue of requests to execute that have a
defined set of dependencies on other requests) is to provide a timeline
abstraction for the global execution queue.

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/20161028125858.23563-23-chris@chris-wilson.co.uk
15 files changed:
drivers/gpu/drm/i915/Makefile
drivers/gpu/drm/i915/i915_debugfs.c
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem.h
drivers/gpu/drm/i915/i915_gem_request.c
drivers/gpu/drm/i915/i915_gem_request.h
drivers/gpu/drm/i915/i915_gem_timeline.c [new file with mode: 0644]
drivers/gpu/drm/i915/i915_gem_timeline.h [new file with mode: 0644]
drivers/gpu/drm/i915/i915_gpu_error.c
drivers/gpu/drm/i915/i915_guc_submission.c
drivers/gpu/drm/i915/i915_irq.c
drivers/gpu/drm/i915/intel_engine_cs.c
drivers/gpu/drm/i915/intel_ringbuffer.h