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drm/i915: Remove bitmap tracking for used-ptes

Selaa lähdekoodia 
We only operate on known extents (both for alloc/clear) and so we can use
both the knowledge of the bind/unbind range along with the knowledge of
the existing pagetable to avoid having to allocate temporary and
auxiliary bitmaps.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99295
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215084357.19977-12-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2017-02-15 08:43:46 +00:00
vanhempi 16a011c8be
commit dd19674bac
3 muutettua tiedostoa jossa 118 lisäystä ja 238 poistoa
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19
drivers/gpu/drm/i915/i915_trace.h
Näytä tiedosto

@@ -245,15 +245,14 @@ DEFINE_EVENT_PRINT(i915_px_entry, i915_page_directory_pointer_entry_alloc,
DECLARE_EVENT_CLASS(i915_page_table_entry_update,
TP_PROTO(struct i915_address_space *vm, u32 pde,
struct i915_page_table *pt, u32 first, u32 count, u32 bits),
TP_ARGS(vm, pde, pt, first, count, bits),
struct i915_page_table *pt, u32 first, u32 count),
TP_ARGS(vm, pde, pt, first, count),
TP_STRUCT__entry(
__field(struct i915_address_space *, vm)
__field(u32, pde)
__field(u32, first)
__field(u32, last)
__dynamic_array(char, cur_ptes, TRACE_PT_SIZE(bits))
),
TP_fast_assign(
@@ -261,22 +260,16 @@ DECLARE_EVENT_CLASS(i915_page_table_entry_update,
__entry->pde = pde;
__entry->first = first;
__entry->last = first + count - 1;
scnprintf(__get_str(cur_ptes),
TRACE_PT_SIZE(bits),
"%*pb",
bits,
pt->used_ptes);
),
TP_printk("vm=%p, pde=%d, updating %u:%u\t%s",
__entry->vm, __entry->pde, __entry->last, __entry->first,
__get_str(cur_ptes))
TP_printk("vm=%p, pde=%d, updating %u:%u",
__entry->vm, __entry->pde, __entry->last, __entry->first)
);
DEFINE_EVENT(i915_page_table_entry_update, i915_page_table_entry_map,
TP_PROTO(struct i915_address_space *vm, u32 pde,
struct i915_page_table *pt, u32 first, u32 count, u32 bits),
TP_ARGS(vm, pde, pt, first, count, bits)
struct i915_page_table *pt, u32 first, u32 count),
TP_ARGS(vm, pde, pt, first, count)
);
TRACE_EVENT(i915_gem_object_change_domain,