[PATCH IGT 07/11] lib: Add igt_psr_await_status() and modify tests to use it.

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Signed-off-by: Jim Bride <jim.bride@xxxxxxxxxxxxxxx>
---
 lib/igt_psr.c                    | 12 ++++++++++++
 lib/igt_psr.h                    |  1 +
 tests/kms_fbcon_fbt.c            | 28 ++++++++++++----------------
 tests/kms_frontbuffer_tracking.c | 17 +++++------------
 tests/kms_psr_sink_crc.c         | 16 ++--------------
 5 files changed, 32 insertions(+), 42 deletions(-)

diff --git a/lib/igt_psr.c b/lib/igt_psr.c
index d849961..d27c32a 100644
--- a/lib/igt_psr.c
+++ b/lib/igt_psr.c
@@ -102,3 +102,15 @@ bool igt_psr_active(int fd)
 		 actret ? "true" : "false");
 	return hwactret && actret;
 }
+
+/**
+ * igt_psr_await_status:
+ * @active: A boolean that causes the function to wait for PSR to activate
+ *          if set to true, or to wait for PSR to deactivate if false.
+ *
+ * Returns true if the requested condition is met.
+ */
+bool igt_psr_await_status(int fd, bool active)
+{
+	return igt_wait(igt_psr_active(fd) == active, 5000, 1);
+}
diff --git a/lib/igt_psr.h b/lib/igt_psr.h
index b678329..3c355e0 100644
--- a/lib/igt_psr.h
+++ b/lib/igt_psr.h
@@ -31,5 +31,6 @@ bool igt_psr_source_support(int fd);
 bool igt_psr_sink_support(int fd);
 bool igt_psr_possible(int fd);
 bool igt_psr_active(int fd);
+bool igt_psr_await_status(int fd, bool active);
 
 #endif /* IGT_PSR_H */
diff --git a/tests/kms_fbcon_fbt.c b/tests/kms_fbcon_fbt.c
index 41ab36d..cba632e 100644
--- a/tests/kms_fbcon_fbt.c
+++ b/tests/kms_fbcon_fbt.c
@@ -103,8 +103,9 @@ static bool fbc_is_enabled(int fd)
 	return strstr(buf, "FBC enabled\n");
 }
 
-static bool fbc_wait_until_enabled(int fd)
+static bool fbc_await_status(int fd, bool enabled)
 {
+	igt_assert(enabled);
 	return igt_wait(fbc_is_enabled(fd), 5000, 1);
 }
 
@@ -157,29 +158,24 @@ static bool connector_can_psr(drmModeConnectorPtr connector)
 	return (connector->connector_type == DRM_MODE_CONNECTOR_eDP);
 }
 
-static bool psr_is_enabled(int fd)
+static bool psr_await_status(int fd, bool enabled)
 {
-	return igt_psr_active(fd);
-}
-
-static bool psr_wait_until_enabled(int fd)
-{
-	return igt_wait(psr_is_enabled(fd), 5000, 1);
+	return igt_psr_await_status(fd, enabled);
 }
 
 struct feature {
 	bool (*supported_on_chipset)(int fd);
-	bool (*wait_until_enabled)(int fd);
+	bool (*await_status)(int fd, bool enabled);
 	bool (*connector_possible_fn)(drmModeConnectorPtr connector);
 	const char *param_name;
 } fbc = {
 	.supported_on_chipset = fbc_supported_on_chipset,
-	.wait_until_enabled = fbc_wait_until_enabled,
+	.await_status = fbc_await_status,
 	.connector_possible_fn = connector_can_fbc,
 	.param_name = "enable_fbc",
 }, psr = {
 	.supported_on_chipset = psr_supported_on_chipset,
-	.wait_until_enabled = psr_wait_until_enabled,
+	.await_status = psr_await_status,
 	.connector_possible_fn = connector_can_psr,
 	.param_name = "enable_psr",
 };
@@ -204,17 +200,17 @@ static void subtest(struct feature *feature, bool suspend)
 
 	kmstest_unset_all_crtcs(drm.fd, drm.res);
 	wait_user("Modes unset.");
-	igt_assert(!feature->wait_until_enabled(drm.fd));
+	igt_assert(feature->await_status(drm.fd, false));
 
 	set_mode_for_one_screen(&drm, &fb, feature->connector_possible_fn);
 	wait_user("Screen set.");
-	igt_assert(feature->wait_until_enabled(drm.fd));
+	igt_assert(feature->await_status(drm.fd, true));
 
 	if (suspend) {
 		igt_system_suspend_autoresume(SUSPEND_STATE_MEM,
 					      SUSPEND_TEST_NONE);
 		sleep(5);
-		igt_assert(feature->wait_until_enabled(drm.fd));
+		igt_assert(feature->await_status(drm.fd, true));
 	}
 
 	igt_remove_fb(drm.fd, &fb);
@@ -224,13 +220,13 @@ static void subtest(struct feature *feature, bool suspend)
 	sleep(3);
 
 	wait_user("Back to fbcon.");
-	igt_assert(!feature->wait_until_enabled(drm.fd));
+	igt_assert(feature->await_status(drm.fd, false));
 
 	if (suspend) {
 		igt_system_suspend_autoresume(SUSPEND_STATE_MEM,
 					      SUSPEND_TEST_NONE);
 		sleep(5);
-		igt_assert(!feature->wait_until_enabled(drm.fd));
+		igt_assert(feature->await_status(drm.fd, false));
 	}
 }
 
diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
index b202297..4d20899 100644
--- a/tests/kms_frontbuffer_tracking.c
+++ b/tests/kms_frontbuffer_tracking.c
@@ -798,11 +798,6 @@ static void fbc_print_status(void)
 	igt_info("FBC status:\n%s\n", buf);
 }
 
-static bool psr_is_enabled(void)
-{
-	return igt_psr_active(drm.fd);
-}
-
 static void psr_print_status(void)
 {
 	char buf[256];
@@ -916,11 +911,6 @@ static bool fbc_wait_until_enabled(void)
 	return igt_wait(fbc_is_enabled(), 2000, 1);
 }
 
-static bool psr_wait_until_enabled(void)
-{
-	return igt_wait(psr_is_enabled(), 5000, 1);
-}
-
 #define fbc_enable() igt_set_module_param_int("enable_fbc", 1)
 #define fbc_disable() igt_set_module_param_int("enable_fbc", 0)
 #define psr_enable() igt_psr_enable()
@@ -1704,12 +1694,15 @@ static int adjust_assertion_flags(const struct test_mode *t, int flags)
 	}								\
 									\
 	if (flags_ & ASSERT_PSR_ENABLED) {				\
-		if (!psr_wait_until_enabled()) {			\
+		if (!igt_psr_await_status(drm.fd, true)) {		\
 			psr_print_status();				\
 			igt_assert_f(false, "PSR disabled\n");		\
 		}							\
 	} else if (flags_ & ASSERT_PSR_DISABLED) {			\
-		igt_assert(!psr_wait_until_enabled());			\
+		if (!igt_psr_await_status(drm.fd, false)) {             \
+			psr_print_status();                             \
+			igt_assert_f(false, "PSR enabled\n");           \
+		}                                                       \
 	}								\
 } while (0)
 
diff --git a/tests/kms_psr_sink_crc.c b/tests/kms_psr_sink_crc.c
index 0c27fc7..c9f7993 100644
--- a/tests/kms_psr_sink_crc.c
+++ b/tests/kms_psr_sink_crc.c
@@ -198,22 +198,10 @@ static bool psr_possible(data_t *data)
 		igt_psr_possible(data->drm_fd);
 }
 
-static bool psr_active(data_t *data)
-{
-
-	return running_with_psr_disabled ||
-		igt_psr_active(data->drm_fd);
-}
-
 static bool wait_psr_entry(data_t *data)
 {
-	int timeout = 5;
-	while (timeout--) {
-		if (psr_active(data))
-			return true;
-		sleep(1);
-	}
-	return false;
+	return running_with_psr_disabled ||
+		igt_psr_await_status(data->drm_fd, true);
 }
 
 static void get_sink_crc(data_t *data, char *crc) {
-- 
2.7.4

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