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drm/i915: Extract intel_frontbuffer active tracking

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Move the active tracking for the frontbuffer operations out of the
i915_gem_object and into its own first class (refcounted) object. In the
process of detangling, we switch from low level request tracking to the
easier i915_active -- with the plan that this avoids any potential
atomic callbacks as the frontbuffer tracking wishes to sleep as it
flushes.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190816074635.26062-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-08-16 08:46:35 +01:00
parent e5dadff4b0
commit 8e7cb1799b
17 changed files with 306 additions and 260 deletions
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5
drivers/gpu/drm/i915/i915_debugfs.c
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@@ -138,7 +138,6 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
struct intel_engine_cs *engine;
struct i915_vma *vma;
unsigned int frontbuffer_bits;
int pin_count = 0;
seq_printf(m, "%pK: %c%c%c%c %8zdKiB %02x %02x %s%s%s",
@@ -228,10 +227,6 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
engine = i915_gem_object_last_write_engine(obj);
if (engine)
seq_printf(m, " (%s)", engine->name);
frontbuffer_bits = atomic_read(&obj->frontbuffer_bits);
if (frontbuffer_bits)
seq_printf(m, " (frontbuffer: 0x%03x)", frontbuffer_bits);
}
struct file_stats {