drm/ttm: Fix a potential comparison of structs.
On some architectures the comparison may cause a compilation failure. Original partial fix Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -150,7 +150,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src,
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#ifdef CONFIG_X86
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dst = kmap_atomic_prot(d, KM_USER0, prot);
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#else
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if (prot != PAGE_KERNEL)
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if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
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dst = vmap(&d, 1, 0, prot);
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else
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dst = kmap(d);
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@ -163,7 +163,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src,
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#ifdef CONFIG_X86
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kunmap_atomic(dst, KM_USER0);
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#else
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if (prot != PAGE_KERNEL)
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if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
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vunmap(dst);
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else
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kunmap(d);
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@ -186,7 +186,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
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#ifdef CONFIG_X86
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src = kmap_atomic_prot(s, KM_USER0, prot);
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#else
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if (prot != PAGE_KERNEL)
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if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
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src = vmap(&s, 1, 0, prot);
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else
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src = kmap(s);
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@ -199,7 +199,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
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#ifdef CONFIG_X86
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kunmap_atomic(src, KM_USER0);
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#else
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if (prot != PAGE_KERNEL)
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if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
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vunmap(src);
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else
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kunmap(s);
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