drm/i915/gtt: pde entry encoding is identical

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For all page directory entries, the pde encoding is
identical. Don't complicate call sites with different
versions of doing the same thing, so we always check the
existence of physical page before writing the entry into
it. This further generalizes the pd so that manipulation in
callsites will be identical, removing the need to handle
pdps differently for gen8.

v2: squash
v3: inc/dec with set/clear (Chris)
v4: inlines, warn, stray set_pd (Chris)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190705215204.4559-1-chris@chris-wilson.co.uk

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This commit is contained in:

Mika Kuoppala 2019-07-05 22:52:01 +01:00 • committed by Chris Wilson

parent 3e27d70bcc

commit f20f272f10

2 changed files with 63 additions and 92 deletions

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154

drivers/gpu/drm/i915/i915_gem_gtt.c

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3

drivers/gpu/drm/i915/i915_gem_gtt.h

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