This is one reason for some of the sporadic kms_flip failures.
One such is https://bugs.freedesktop.org/show_bug.cgi?id=59834.
v2:
- use unsigned long for KDSETMODE/KDGETMODE
- fix passing the parameter to KDGETMODE as it should be by value
- actually testing that it works..
v3:
- don't do an explicit DPMS_ON, only switch to graphics mode.
Signed-off-by: Imre Deak <imre.d...@intel.com>
---
tests/kms_flip.c | 26 +++++++++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/tests/kms_flip.c b/tests/kms_flip.c
index 39f0043..4993b16 100644
--- a/tests/kms_flip.c
+++ b/tests/kms_flip.c
@@ -36,6 +36,7 @@
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
+#include <linux/kd.h>
#include "i915_drm.h"
#include "drmtest.h"
@@ -1153,6 +1154,21 @@ static void get_timestamp_format(void)
monotonic_timestamp ? "monotonic" : "real");
}
+static unsigned long set_vt_mode(unsigned long mode)
+{
+ int fd;
+ unsigned long prev_mode;
+
+ fd = open("/dev/tty0", O_RDONLY);
+ assert(fd >= 0);
+
+ prev_mode = 0;
+ drmIoctl(fd, KDGETMODE, &prev_mode);
+ drmIoctl(fd, KDSETMODE, (void *)mode);
+
+ return prev_mode;
+}
+
int main(int argc, char **argv)
{
struct {
@@ -1200,13 +1216,18 @@ int main(int argc, char **argv)
{ 1, TEST_FLIP | TEST_EINVAL | TEST_FB_BAD_TILING,
"flip-vs-bad-tiling" },
};
int i;
+ bool dry_run;
+ unsigned long prev_vt_mode;
drmtest_subtest_init(argc, argv);
drm_fd = drm_open_any();
- if (!drmtest_only_list_subtests())
+ dry_run = drmtest_only_list_subtests();
+ if (!dry_run) {
+ prev_vt_mode = set_vt_mode(KD_GRAPHICS);
get_timestamp_format();
+ }
bufmgr = drm_intel_bufmgr_gem_init(drm_fd, 4096);
devid = intel_get_drm_devid(drm_fd);
@@ -1219,6 +1240,9 @@ int main(int argc, char **argv)
}
}
+ if (!dry_run)
+ set_vt_mode(prev_vt_mode);
+
close(drm_fd);
return 0;
--
1.7.10.4
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