From 6830a0512f31bab4f951b8618b6ea3cba9300c93 Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Wed, 7 Feb 2018 10:09:08 +0100 Subject: igt/vc4: Add a helper function to mark BOs purgeable v2: Rebase on get/set_tiling helpers (by anholt). Signed-off-by: Boris Brezillon Signed-off-by: Eric Anholt Reviewed-by: Eric Anholt --- lib/igt_vc4.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'lib/igt_vc4.c') diff --git a/lib/igt_vc4.c b/lib/igt_vc4.c index 5347af8d..238bf26b 100644 --- a/lib/igt_vc4.c +++ b/lib/igt_vc4.c @@ -149,3 +149,15 @@ uint64_t igt_vc4_get_tiling(int fd, uint32_t handle) return get.modifier; } + +bool igt_vc4_purgeable_bo(int fd, int handle, bool purgeable) +{ + struct drm_vc4_gem_madvise arg = { + .handle = handle, + .madv = purgeable ? VC4_MADV_DONTNEED : VC4_MADV_WILLNEED, + }; + + do_ioctl(fd, DRM_IOCTL_VC4_GEM_MADVISE, &arg); + + return arg.retained; +} -- cgit v1.2.3