forked from luck/tmp_suning_uos_patched
drm/ast: switch to using CACHED by default for sysram
This fixes problems on ppc64 platforms, where we could end up using a WC mapping for migrating BOs with memcpy, when really we want to use cached memory. Tested-by: Ben Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -300,9 +300,9 @@ void ast_ttm_placement(struct ast_bo *bo, int domain)
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if (domain & TTM_PL_FLAG_VRAM)
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bo->placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM;
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if (domain & TTM_PL_FLAG_SYSTEM)
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bo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
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bo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_SYSTEM;
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if (!c)
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bo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
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bo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_SYSTEM;
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bo->placement.num_placement = c;
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bo->placement.num_busy_placement = c;
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for (i = 0; i < c; ++i) {
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