From: Jeff McGee <jeff.mcgee@xxxxxxxxx>
Signed-off-by: Jeff McGee <jeff.mcgee@xxxxxxxxx>
---
tests/pm_rps.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/tests/pm_rps.c b/tests/pm_rps.c
index 709e341..a6807d2 100644
--- a/tests/pm_rps.c
+++ b/tests/pm_rps.c
@@ -32,10 +32,12 @@
#include <string.h>
#include <unistd.h>
#include <getopt.h>
+#include <fcntl.h>
#include "drmtest.h"
#include "intel_gpu_tools.h"
#include "intel_bufmgr.h"
#include "intel_batchbuffer.h"
+#include "igt_debugfs.h"
static bool verbose = false;
@@ -62,6 +64,8 @@ struct junk {
{ "cur", "r", NULL }, { "min", "rb+", NULL }, { "max", "rb+", NULL }, { "RP0", "r", NULL }, { "RP1", "r", NULL }, { "RPn", "r", NULL }, { NULL, NULL, NULL }
};
+static igt_debugfs_t dfs;
+
static int readval(FILE *filp)
{
int val;
@@ -267,6 +271,37 @@ static void load_helper_deinit(void)
drm_intel_bufmgr_destroy(lh.bufmgr);
}
+static void stop_rings(void)
+{
+ int fd;
+ static const char data[] = "0xf";
+
+ fd = igt_debugfs_open(&dfs, "i915_ring_stop", O_WRONLY);
+ igt_assert(fd >= 0);
+
+ log("injecting ring stop\n");
+ igt_assert(write(fd, data, sizeof(data)) == sizeof(data));
+
+ close(fd);
+}
+
+static bool rings_stopped(void)
+{
+ int fd;
+ static char buf[128];
+ unsigned long long val;
+
+ fd = igt_debugfs_open(&dfs, "i915_ring_stop", O_RDONLY);
+ igt_assert(fd >= 0);
+
+ igt_assert(read(fd, buf, sizeof(buf)) > 0);
+ close(fd);
+
+ sscanf(buf, "%llx", &val);
+
+ return (bool)val;
+}
+
static void min_max_config(void (*check)(void))
{
int fmid = (origfreqs[RPn] + origfreqs[RP0]) / 2;
@@ -471,6 +506,8 @@ int main(int argc, char **argv)
igt_install_exit_handler(pm_rps_exit_handler);
load_helper_init();
+
+ igt_debugfs_init(&dfs);
}
igt_subtest("basic-api")
--
1.8.5.2
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
