On Tue, Nov 18, 2014 at 02:40:28PM +0100, Daniel Vetter wrote:
> The only thing the kernel can do is pin the buffers, which essentially
> means no swapped tiled objects.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> ---
> tests/gem_tiled_swapping.c | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/tests/gem_tiled_swapping.c b/tests/gem_tiled_swapping.c
> index 69d1cfae94d2..0839df00151e 100644
> --- a/tests/gem_tiled_swapping.c
> +++ b/tests/gem_tiled_swapping.c
> @@ -61,6 +61,7 @@
> #include "drmtest.h"
> #include "intel_io.h"
> #include "igt_aux.h"
> +#include "igt_debugfs.h"
>
> #define WIDTH 512
> #define HEIGHT 512
> @@ -143,6 +144,25 @@ static void thread_fini(struct thread *t)
> free(t->idx_arr);
> }
>
> +static void check_memory_layout(void)
> +{
> + FILE *tiling_debugfs_file;
> + char *line = NULL;
> + size_t sz = 0;
> +
> + tiling_debugfs_file = igt_debugfs_fopen("i915_swizzle_info", "r");
> + igt_assert(tiling_debugfs_file);
> +
> + while (getline(&line, &sz, tiling_debugfs_file) > 0) {
> + if (strstr(line, "L-shaped") != 0)
> + continue;
> +
> + igt_skip("L-shaped memory configuration detected\n");
> + }
> +
> + igt_debug("normal memory configuration detected, continuing\n");
> +}
igt_check_memory():
if (flags & CHECK_SWAP && !check_memory_layout())
skip()
That should then cover us for all tests that want to use swap. (And if
not, we are missing some more igt_check_memory/igt_require_memory.)
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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