[PATCH 01/12] tests/pm_psr: Update pm_psr for new psr debug interface.

[Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>]

v2: Doesn't duplicate kernel's HAS_PSR. skip based on debugfs output.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
 tests/pm_psr.c | 30 +++++++++++++++++++++---------
 1 file changed, 21 insertions(+), 9 deletions(-)

diff --git a/tests/pm_psr.c b/tests/pm_psr.c
index 3ab7e7a..16ec3fa 100644
--- a/tests/pm_psr.c
+++ b/tests/pm_psr.c
@@ -32,6 +32,8 @@
 #include <errno.h>
 
 #include "drmtest.h"
+#include "intel_chipset.h"
+#include "igt_debugfs.h"
 
 #define SLEEP_DURATION 5000 // in milliseconds
 
@@ -41,22 +43,34 @@ static int get_perf(const char *path)
 	FILE *file;
 	char str[4];
 
-	file = fopen(path, "r");
-	igt_assert(file);
+	file = igt_debugfs_fopen("i915_edp_psr_status", "r");
+	igt_require(file);
 
 	ret = fscanf(file, "Sink_Support: %s\n", str);
 	igt_skip_on_f(ret == 0,
 		      "i915_edp_psr_status format not supported by this test case\n");
-	igt_require(strcmp(str, "yes") == 0);
+	igt_skip_on_f(strcmp(str, "yes") != 0,
+		      "PSR not supported on this platform\n");
+
 	ret = fscanf(file, "Source_OK: %s\n", str);
 	igt_assert(ret != 0);
-
 	igt_require(strcmp(str, "yes") == 0);
 
 	ret = fscanf(file, "Enabled: %s\n", str);
 	igt_assert(ret != 0);
 	igt_assert(strcmp(str, "yes") == 0);
 
+	ret = fscanf(file, "Active: %s\n", str);
+	igt_skip_on_f(ret == 0,
+		      "i915_edp_psr_status format not supported by this test case\n");
+
+	ret = fscanf(file, "Busy frontbuffer bits: %s\n", str);
+	igt_assert(ret != 0);
+	ret = fscanf(file, "Re-enable work scheduled: %s\n", str);
+	igt_assert(ret != 0);
+	ret = fscanf(file, "HW Enabled & Active bit: %s\n", str);
+	igt_assert(ret != 0);
+
 	ret = fscanf(file, "Performance_Counter: %i", &perf);
 	igt_assert(ret != 0);
 
@@ -68,15 +82,13 @@ static int get_perf(const char *path)
 
 igt_simple_main
 {
-	int ret, perf1, perf2;
-	int device = drm_get_card();
+	int perf1, perf2;
+	int drm_fd = drm_open_any();
+	uint32_t devid = intel_get_drm_devid(drm_fd);
 	char *path;
 
 	igt_skip_on_simulation();
 
-	ret = asprintf(&path, "/sys/kernel/debug/dri/%d/i915_edp_psr_status", device);
-	igt_assert(ret != -1);
-
 	perf1 = get_perf(path);
 	sleep(SLEEP_DURATION / 1000);
 	perf2 = get_perf(path);
-- 
1.9.3

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