diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/mali_kbase_cache_policy.h')
-rwxr-xr-x | drivers/gpu/arm/midgard/mali_kbase_cache_policy.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/mali_kbase_cache_policy.h b/drivers/gpu/arm/midgard/mali_kbase_cache_policy.h new file mode 100755 index 000000000000..0c18bdb357b0 --- /dev/null +++ b/drivers/gpu/arm/midgard/mali_kbase_cache_policy.h @@ -0,0 +1,45 @@ +/* + * + * (C) COPYRIGHT 2012-2013, 2015 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation, and any use by you of this program is subject to the terms + * of such GNU licence. + * + * A copy of the licence is included with the program, and can also be obtained + * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + + + + + +/* + * Cache Policy API. + */ + +#ifndef _KBASE_CACHE_POLICY_H_ +#define _KBASE_CACHE_POLICY_H_ + +#include "mali_kbase.h" +#include "mali_base_kernel.h" + +/** + * kbase_cache_enabled - Choose the cache policy for a specific region + * @flags: flags describing attributes of the region + * @nr_pages: total number of pages (backed or not) for the region + * + * Tells whether the CPU and GPU caches should be enabled or not for a specific + * region. + * This function can be modified to customize the cache policy depending on the + * flags and size of the region. + * + * Return: a combination of %KBASE_REG_CPU_CACHED and %KBASE_REG_GPU_CACHED + * depending on the cache policy + */ +u32 kbase_cache_enabled(u32 flags, u32 nr_pages); + +#endif /* _KBASE_CACHE_POLICY_H_ */ |