On Tue, Oct 24, 2017 at 07:24:58PM +0100, Chris Wilson wrote:
> Since the headless subtest wants to compare execution latency of a
> headless mode vs a single head, it needs to be able to do a modeset and
> ergo it requires DRM_MASTER.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
-Michał
> ---
> tests/gem_exec_nop.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/tests/gem_exec_nop.c b/tests/gem_exec_nop.c
> index ce3a8ef7..c9280795 100644
> --- a/tests/gem_exec_nop.c
> +++ b/tests/gem_exec_nop.c
> @@ -711,8 +711,11 @@ igt_main
> }
>
> #if !defined(ANDROID) || ANDROID_HAS_CAIRO
> - igt_subtest("headless")
> + igt_subtest("headless") {
> + /* Requires master for changing display modes */
> + igt_require(drmSetMaster(device) == 0);
> headless(device, handle);
> + }
> #endif
>
> igt_fixture {
> --
> 2.15.0.rc2
>
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