On Tue, Sep 04, 2018 at 11:20:04AM +0100, Chris Wilson wrote:
> Our unclaimed mmio access debugging is lazy, doing cheap checks
> periodically and only if they fail do a full check around every mmio
> access. When testing for runtime pm, enable the full mmio debugging from
> the initial load.
>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> Cc: Imre Deak <imre.d...@intel.com>
> ---
> tests/pm_rpm.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
> index e3bb6227a..91aef0889 100644
> --- a/tests/pm_rpm.c
> +++ b/tests/pm_rpm.c
> @@ -2058,7 +2058,7 @@ int main(int argc, char *argv[])
> igt_subtest("module-reload") {
> igt_debug("Reload w/o display\n");
> igt_i915_driver_unload();
> - igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
> + igt_assert_eq(igt_i915_driver_load("disable_display=1
> mmio_debug=2147483647"), 0);
>
> igt_assert(setup_environment());
> igt_assert(igt_wait(device_in_pci_d3(), 2000, 100));
> @@ -2066,13 +2066,16 @@ int main(int argc, char *argv[])
>
> igt_debug("Reload as normal\n");
> igt_i915_driver_unload();
> - igt_assert_eq(igt_i915_driver_load(NULL), 0);
> + igt_assert_eq(igt_i915_driver_load("mmio_debug=2147483647"), 0);
Could've been in hex.
>
> igt_assert(setup_environment());
> igt_assert(igt_wait(device_in_pci_d3(), 2000, 100));
> if (enable_one_screen_with_type(&ms_data, SCREEN_TYPE_ANY))
> drm_resources_equal_subtest();
> teardown_environment();
> +
> + /* Remove our mmio_debugging module */
> + igt_i915_driver_unload();
What loads it again?
> }
>
> igt_exit();
> --
> 2.19.0.rc1
>
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