drm/i915/frontbuffer: Split fb_tracking.lock into two

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Our fb_tracking.lock is serving a double duty:
- protects fb_tracking.busy_bits
- provides the write-side protection for obj->frontbuffer

Split obj->frontbuffer role into a separate lock so that
we can clean up the current mess with the frontbuffer lifetime
management.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251016185408.22735-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

...

This commit is contained in:

Ville Syrjälä 2025-10-16 21:54:04 +03:00

parent 6541748954

commit 3afef438ee

4 changed files with 11 additions and 6 deletions

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4

drivers/gpu/drm/i915/display/intel_display_core.h

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1

drivers/gpu/drm/i915/display/intel_display_driver.c

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10

drivers/gpu/drm/i915/display/intel_frontbuffer.c

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2

drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h

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