The kms_flip test does not support drivers without VBlank which exclude
some virtual drivers. This patch adds a function that checks if a module
has a VBlank or not; if a module has VBlank than kms_flip will execute
all the VBlank tests, otherwise, VBlank tests will be skipped.
Changes since V1:
Chris Wilson:
- Change function name from igt_there_is_vblank to kms_has_vblank
- Move vblank function check from igt_aux to igt_kms
- Utilizes memset in dummy_vbl variable
- Directly return the result of drmWaitVblank()
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx>
---
lib/igt_kms.c | 10 ++++++++++
lib/igt_kms.h | 2 ++
tests/kms_flip.c | 26 ++++++++++++++++++++++++--
3 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index c9e00c3b..21636093 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -1684,6 +1684,16 @@ void igt_assert_plane_visible(int fd, enum pipe pipe, bool visibility)
igt_assert_eq(visible, visibility);
}
+bool kms_has_vblank(int fd)
+{
+ drmVBlank dummy_vbl;
+
+ memset(&dummy_vbl, 0, sizeof(drmVBlank));
+ dummy_vbl.request.type = DRM_VBLANK_ABSOLUTE;
+
+ return drmWaitVBlank(fd, &dummy_vbl) == 0;
+}
+
/*
* A small modeset API
*/
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 4222a341..9543debd 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -226,6 +226,8 @@ void kmstest_wait_for_pageflip(int fd);
unsigned int kmstest_get_vblank(int fd, int pipe, unsigned int flags);
void igt_assert_plane_visible(int fd, enum pipe pipe, bool visibility);
+bool kms_has_vblank(int fd);
+
/*
* A small modeset API
*/
diff --git a/tests/kms_flip.c b/tests/kms_flip.c
index 393d690a..13b408a6 100644
--- a/tests/kms_flip.c
+++ b/tests/kms_flip.c
@@ -73,6 +73,7 @@
#define TEST_TS_CONT (1 << 27)
#define TEST_BO_TOOBIG (1 << 28)
+#define TEST_NO_VBLANK (1 << 29)
#define TEST_BASIC (1 << 30)
#define EVENT_FLIP (1 << 0)
@@ -125,6 +126,18 @@ struct event_state {
int seq_step;
};
+static bool vblank_dependence(int flags)
+{
+ int vblank_flags = TEST_VBLANK | TEST_VBLANK_BLOCK |
+ TEST_VBLANK_ABSOLUTE | TEST_VBLANK_EXPIRED_SEQ |
+ TEST_TS_CONT | TEST_CHECK_TS | TEST_VBLANK_RACE;
+
+ if (flags & vblank_flags)
+ return true;
+
+ return false;
+}
+
static float timeval_float(const struct timeval *tv)
{
return tv->tv_sec + tv->tv_usec / 1000000.0f;
@@ -493,11 +506,11 @@ static void check_state(const struct test_output *o, const struct event_state *e
/* check only valid if no modeset happens in between, that increments by
* (1 << 23) on each step. This bounding matches the one in
* DRM_IOCTL_WAIT_VBLANK. */
- if (!(o->flags & (TEST_DPMS | TEST_MODESET)))
+ if (!(o->flags & (TEST_DPMS | TEST_MODESET | TEST_NO_VBLANK))) {
igt_assert_f(es->current_seq - (es->last_seq + o->seq_step) <= 1UL << 23,
"unexpected %s seq %u, should be >= %u\n",
es->name, es->current_seq, es->last_seq + o->seq_step);
-
+ }
/* Check that the vblank frame didn't wrap unexpectedly. */
if (o->flags & TEST_TS_CONT) {
/* Ignore seq_step here since vblank waits time out immediately
@@ -1204,6 +1217,7 @@ static void run_test_on_crtc_set(struct test_output *o, int *crtc_idxs,
unsigned bo_size = 0;
uint64_t tiling;
int i;
+ bool vblank = true;
switch (crtc_count) {
case 1:
@@ -1297,6 +1311,14 @@ static void run_test_on_crtc_set(struct test_output *o, int *crtc_idxs,
}
igt_assert(fb_is_bound(o, o->fb_ids[0]));
+ vblank = kms_has_vblank(drm_fd);
+ if (!vblank) {
+ if (vblank_dependence(o->flags))
+ igt_require_f(vblank, "There is no Vblank\n");
+ else
+ o->flags |= TEST_NO_VBLANK;
+ }
+
/* quiescent the hw a bit so ensure we don't miss a single frame */
if (o->flags & TEST_CHECK_TS)
calibrate_ts(o, crtc_idxs[0]);
--
2.18.0
--
Rodrigo Siqueira
http://siqueira.tech
Graduate Student
Department of Computer Science
University of São Paulo
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