drm/i915: Pull VM lists under the VM mutex.

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A starting point to counter the pervasive struct_mutex. For the goal of
avoiding (or at least blocking under them!) global locks during user
request submission, a simple but important step is being able to manage
each clients GTT separately. For which, we want to replace using the
struct_mutex as the guard for all things GTT/VM and switch instead to a
specific mutex inside i915_address_space.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190128102356.15037-2-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2019-01-28 10:23:53 +00:00

parent 499197dc16

commit 09d7e46b97

8 changed files with 46 additions and 8 deletions

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14

drivers/gpu/drm/i915/i915_gem.c

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2

drivers/gpu/drm/i915/i915_gem_evict.c

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15

drivers/gpu/drm/i915/i915_gem_gtt.c

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4

drivers/gpu/drm/i915/i915_gem_shrinker.c

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2

drivers/gpu/drm/i915/i915_gem_stolen.c

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11

drivers/gpu/drm/i915/i915_vma.c

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3

drivers/gpu/drm/i915/selftests/i915_gem_evict.c

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3

drivers/gpu/drm/i915/selftests/i915_gem_gtt.c

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