drm/i915: Rework intel_context pinning to do everything outside of pin_mutex

Browse source

Instead of doing everything inside of pin_mutex, we move all pinning
outside. Because i915_active has its own reference counting and
pinning is also having the same issues vs mutexes, we make sure
everything is pinned first, so the pinning in i915_active only needs
to bump refcounts. This allows us to take pin refcounts correctly
all the time.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200819140904.1708856-14-maarten.lankhorst@linux.intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

...

This commit is contained in:

Maarten Lankhorst 2020-08-19 16:08:53 +02:00 • committed by Joonas Lahtinen

parent 2bf541ff6d

commit 3999a70879

5 changed files with 190 additions and 106 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

244

drivers/gpu/drm/i915/gt/intel_context.c

View file

4

drivers/gpu/drm/i915/gt/intel_context_types.h

View file

34

drivers/gpu/drm/i915/gt/intel_lrc.c

View file

13

drivers/gpu/drm/i915/gt/intel_ring_submission.c

View file

13

drivers/gpu/drm/i915/gt/mock_engine.c

View file