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tests/flip_test: add flip vs. rmfb testcase

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To check that the kernel doesn't fall over when tearing down a life
fb. Confirmed that it exercises the right codepath with printk.

Also fix an issue Imre introduced in

commit fe7fea0be3b5f418b76dc7834e73b31827484429
Author: Imre Deak <imre.deak@intel.com>
Date:   Tue Oct 16 04:09:43 2012 +0300

    flip_test: add event sequence number tracking

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-12-15 00:41:01 +01:00
parent df41e1a6bb
commit f56384c2c0
1 changed files with 14 additions and 5 deletions
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19
tests/flip_test.c
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@ -54,6 +54,7 @@
#define TEST_VBLANK_ABSOLUTE (1 << 10)
#define TEST_VBLANK_EXPIRED_SEQ (1 << 11)
#define TEST_FB_RECREATE (1 << 12)
#define TEST_RMFB (1 << 13)
#define EVENT_FLIP (1 << 0)
#define EVENT_VBLANK (1 << 1)
@ -396,10 +397,14 @@ static void check_state(struct test_output *o, struct event_state *es)
}
/* This bounding matches the one in DRM_IOCTL_WAIT_VBLANK. */
if (es->current_seq - (es->last_seq + es->seq_step) > 1UL << 23) {
fprintf(stderr, "unexpected %s seq %u, should be >= %u\n",
es->name, es->current_seq, es->last_seq + es->seq_step);
exit(10);
if (!(o->flags & (TEST_DPMS | TEST_MODESET))) {
/* check only valid if no modeset happens in between, that
* increments by (1 << 23) on each step. */
if (es->current_seq - (es->last_seq + es->seq_step) > 1UL << 23) {
fprintf(stderr, "unexpected %s seq %u, should be >= %u\n",
es->name, es->current_seq, es->last_seq + es->seq_step);
exit(10);
}
}
if ((o->flags & TEST_CHECK_TS) && (!analog_tv_connector(o))) {
@ -578,6 +583,9 @@ static unsigned int run_test_step(struct test_output *o)
if (do_flip && (o->flags & TEST_EBUSY))
assert(do_page_flip(o, new_fb_id) == -EBUSY);
if (do_flip && (o->flags & TEST_RMFB))
recreate_fb(o);
/* pan before the flip completes */
if (o->flags & TEST_PAN) {
int count = do_flip ?
@ -597,7 +605,7 @@ static unsigned int run_test_step(struct test_output *o)
if (o->flags & TEST_DPMS)
do_or_die(set_dpms(o, DRM_MODE_DPMS_OFF));
if (o->flags & TEST_MODESET) {
if (o->flags & TEST_MODESET && !(o->flags & TEST_RMFB)) {
if (drmModeSetCrtc(drm_fd, o->crtc,
0, /* no fb */
0, 0,
@ -1015,6 +1023,7 @@ int main(int argc, char **argv)
{ 15, TEST_FLIP | TEST_CHECK_TS | TEST_EBUSY , "plain-flip-ts-check" },
{ 15, TEST_FLIP | TEST_CHECK_TS | TEST_EBUSY | TEST_FB_RECREATE,
"plain-flip-fb-recreate" },
{ 15, TEST_FLIP | TEST_EBUSY | TEST_RMFB | TEST_MODESET , "flip-vs-rmfb" },
{ 30, TEST_FLIP | TEST_DPMS | TEST_EINVAL, "flip-vs-dpms" },
{ 30, TEST_FLIP | TEST_DPMS | TEST_WITH_DUMMY_LOAD, "delayed-flip-vs-dpms" },
{ 5, TEST_FLIP | TEST_PAN, "flip-vs-panning" },