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drm/i915/gtt: Make scratch page i915_page_dma compatible

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Lay out scratch page structure in similar manner than other
paging structures. This allows us to use the same tools for
setup and teardown.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala
2015-06-25 18:35:13 +03:00
committed by Daniel Vetter
parent 567047be2a
commit c114f76a0a
2 changed files with 54 additions and 44 deletions
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drivers/gpu/drm/i915/i915_gem_gtt.h
+5 -4
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@@ -223,6 +223,10 @@ struct i915_page_dma {
#define px_page(px) (px_base(px)->page)
#define px_dma(px) (px_base(px)->daddr)
struct i915_page_scratch {
struct i915_page_dma base;
};
struct i915_page_table {
struct i915_page_dma base;
@@ -249,10 +253,7 @@ struct i915_address_space {
u64 start; /* Start offset always 0 for dri2 */
u64 total; /* size addr space maps (ex. 2GB for ggtt) */
struct {
dma_addr_t addr;
struct page *page;
} scratch;
struct i915_page_scratch *scratch_page;
/**
* List of objects currently involved in rendering.