drm/i915/gtt: Use shallow dma pages for scratch

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We only use the dma pages for scratch, and so do not need to allocate
the extra storage for the shadow page directory.

v2: Refrain from reintroducing I915_PDES

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712075818.20616-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-07-12 08:58:18 +01:00

parent 3e1f0a518d

commit 6eebfe8a10

2 changed files with 100 additions and 119 deletions

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196

drivers/gpu/drm/i915/i915_gem_gtt.c

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23

drivers/gpu/drm/i915/i915_gem_gtt.h

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