[Intel-gfx] [PATCH 4/4] pm_rps: Use igt exit handler for restore

[jeff . mcgee]

From: Jeff McGee <jeff.mc...@intel.com>

Signed-off-by: Jeff McGee <jeff.mc...@intel.com>
---
 tests/pm_rps.c | 42 +++++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 19 deletions(-)

diff --git a/tests/pm_rps.c b/tests/pm_rps.c
index c968ecb..7c739b6 100644
--- a/tests/pm_rps.c
+++ b/tests/pm_rps.c
@@ -36,14 +36,6 @@
 static bool verbose = false;
 static int origmin, origmax;
 
-#define restore_assert(COND) do { \
-       if (!(COND)) { \
-               writeval(stuff[MIN].filp, origmin); \
-               writeval(stuff[MAX].filp, origmax); \
-               igt_assert(0); \
-       } \
-} while (0);
-
 static const char sysfs_base_path[] = "/sys/class/drm/card%d/gt_%s_freq_mhz";
 enum {
        CUR,
@@ -112,15 +104,15 @@ static void setfreq(int val)
 
 static void checkit(void)
 {
-       restore_assert(fmin <= fmax);
-       restore_assert(fcur <= fmax);
-       restore_assert(fmin <= fcur);
-       restore_assert(frpn <= fmin);
-       restore_assert(fmax <= frp0);
-       restore_assert(frp1 <= frp0);
-       restore_assert(frpn <= frp1);
-       restore_assert(frp0 != 0);
-       restore_assert(frp1 != 0);
+       igt_assert(fmin <= fmax);
+       igt_assert(fcur <= fmax);
+       igt_assert(fmin <= fcur);
+       igt_assert(frpn <= fmin);
+       igt_assert(fmax <= frp0);
+       igt_assert(frp1 <= frp0);
+       igt_assert(frpn <= frp1);
+       igt_assert(frp0 != 0);
+       igt_assert(frp1 != 0);
 }
 
 static void dumpit(void)
@@ -134,6 +126,16 @@ static void dumpit(void)
        printf("\n");
 }
 
+static void pm_rps_exit_handler(int sig)
+{
+       if (origmin > fmax) {
+               writeval(stuff[MAX].filp, origmax);
+               writeval(stuff[MIN].filp, origmin);
+       } else {
+               writeval(stuff[MIN].filp, origmin);
+               writeval(stuff[MAX].filp, origmax);
+       }
+}
 
 igt_simple_main
 {
@@ -164,6 +166,8 @@ igt_simple_main
        origmin = fmin;
        origmax = fmax;
 
+       igt_install_exit_handler(pm_rps_exit_handler);
+
        if (verbose)
                printf("Original min = %d\nOriginal max = %d\n", origmin, 
origmax);
 
@@ -174,11 +178,11 @@ igt_simple_main
        setfreq(origmin);
        if (verbose)
                dumpit();
-       restore_assert(fcur == fmin);
+       igt_assert(fcur == fmin);
        setfreq(origmax);
        if (verbose)
                dumpit();
-       restore_assert(fcur == fmax);
+       igt_assert(fcur == fmax);
        checkit();
 
        /* And some errors */
-- 
1.8.5.2

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