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drm: fix drm_cache.c for arch with no support.

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This produces a warn on for architectures where this gets called
but we don't have a cache flushing implementation suitable.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-09-02 09:41:13 +10:00
parent fa8a123855
commit ed017d9fb1
1 changed files with 3 additions and 6 deletions
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9
drivers/gpu/drm/drm_cache.c
View file

@ -62,11 +62,8 @@ drm_clflush_ipi_handler(void *null)
{
wbinvd();
}
#elif !defined(__powerpc__)
static void drm_cache_ipi_handler(void *dummy)
{
}
#endif
void
drm_clflush_pages(struct page *pages[], unsigned long num_pages)
{
@ -95,8 +92,8 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
kunmap_atomic(page_virtual, KM_USER0);
}
#else
if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0)
printk(KERN_ERR "Timed out waiting for drm cache flush\n");
printk(KERN_ERR "Architecture has no drm_cache.c support\n");
WARN_ON_ONCE(1);
#endif
}
EXPORT_SYMBOL(drm_clflush_pages);