On Wed, Nov 06, 2013 at 08:05:02PM -0800, Ben Widawsky wrote:
> This test assumes that using gem_pin will pin in the same address space
> used by execbuf. Since pin is for the global GTT only, use the existing
> flag to notify i915.ko that the exec object is special.
>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
> ---
> tests/gem_pin.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tests/gem_pin.c b/tests/gem_pin.c
> index 273315f..ca48a04 100644
> --- a/tests/gem_pin.c
> +++ b/tests/gem_pin.c
> @@ -45,6 +45,8 @@
> #define BLT_WRITE_ALPHA (1<<21)
> #define BLT_WRITE_RGB (1<<20)
>
> +#define LOCAL__EXEC_OBJ_NEEDS_GTT (1<<1)
> +
> static void exec(int fd, uint32_t handle, uint32_t offset)
> {
> struct drm_i915_gem_execbuffer2 execbuf;
> @@ -63,7 +65,7 @@ static void exec(int fd, uint32_t handle, uint32_t offset)
> gem_exec[0].relocs_ptr = (uintptr_t) gem_reloc;
> gem_exec[0].alignment = 0;
> gem_exec[0].offset = 0;
> - gem_exec[0].flags = 0;
> + gem_exec[0].flags = LOCAL__EXEC_OBJ_NEEDS_GTT;
This only really works with the aliasing ppgtt stuff on gen6, I'd just
skip the test -it's not really useful with real ppgtt.
-Daniel
> gem_exec[0].rsvd1 = 0;
> gem_exec[0].rsvd2 = 0;
>
> --
> 1.8.4.2
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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