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Commit ed017d9f authored by Dave Airlie's avatar Dave Airlie
Browse files

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: default avatarDave Airlie <airlied@redhat.com>
parent fa8a1238

drivers/gpu/drm/drm_cache.c

+3 −6
Original line number Diff line number Diff line
@@ -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);