drm: fix drm_cache.c for arch with no support.
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>
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index 3a5575e..0e3bd5b 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -62,11 +62,8 @@
{
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 @@
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);