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flip_test: recreate fb

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... to test the latency of rmfb, getfb and addfb. Since if those still
can cause spikes, we have a problem.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-12-13 21:30:43 +01:00
parent 8ed0112f88
commit df41e1a6bb
1 changed files with 35 additions and 5 deletions
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40
tests/flip_test.c
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@ -53,6 +53,7 @@
#define TEST_VBLANK_BLOCK (1 << 9)
#define TEST_VBLANK_ABSOLUTE (1 << 10)
#define TEST_VBLANK_EXPIRED_SEQ (1 << 11)
#define TEST_FB_RECREATE (1 << 12)
#define EVENT_FLIP (1 << 0)
#define EVENT_VBLANK (1 << 1)
@ -115,6 +116,7 @@ struct test_output {
unsigned int fb_width;
unsigned int fb_height;
unsigned int fb_ids[2];
int bpp, depth;
struct kmstest_fb fb_info[2];
struct event_state flip_state;
@ -464,6 +466,28 @@ static void check_all_state(struct test_output *o,
check_state_correlation(o, &o->flip_state, &o->vblank_state);
}
static void recreate_fb(struct test_output *o)
{
drmModeFBPtr r;
struct kmstest_fb *fb_info = &o->fb_info[o->current_fb_id];
uint32_t new_fb_id;
/* Call rmfb/getfb/addfb to ensure those don't introduce stalls */
r = drmModeGetFB(drm_fd, fb_info->fb_id);
assert(r);
do_or_die(drmModeAddFB(drm_fd, o->fb_width, o->fb_height, o->depth,
o->bpp, fb_info->stride,
r->handle, &new_fb_id));
drmFree(r);
gem_close(drm_fd, r->handle);
do_or_die(drmModeRmFB(drm_fd, fb_info->fb_id));
o->fb_ids[o->current_fb_id] = new_fb_id;
o->fb_info[o->current_fb_id].fb_id = new_fb_id;
}
/* Return mask of completed events. */
static unsigned int run_test_step(struct test_output *o)
{
@ -494,6 +518,8 @@ static unsigned int run_test_step(struct test_output *o)
o->current_fb_id = !o->current_fb_id;
if (o->flags & TEST_FB_RECREATE)
recreate_fb(o);
new_fb_id = o->fb_ids[o->current_fb_id];
if ((o->flags & TEST_VBLANK_EXPIRED_SEQ) &&
@ -830,9 +856,11 @@ static unsigned event_loop(struct test_output *o, unsigned duration_sec)
static void run_test_on_crtc(struct test_output *o, int crtc, int duration)
{
int bpp = 32, depth = 24;
unsigned ellapsed;
o->bpp = 32;
o->depth = 24;
connector_find_preferred_mode(o, crtc);
if (!o->mode_valid)
return;
@ -846,11 +874,11 @@ static void run_test_on_crtc(struct test_output *o, int crtc, int duration)
if (o->flags & TEST_PAN)
o->fb_width *= 2;
o->fb_ids[0] = kmstest_create_fb(drm_fd, o->fb_width, o->fb_height, bpp,
depth, false, &o->fb_info[0],
o->fb_ids[0] = kmstest_create_fb(drm_fd, o->fb_width, o->fb_height,
o->bpp, o->depth, false, &o->fb_info[0],
paint_flip_mode, (void *)false);
o->fb_ids[1] = kmstest_create_fb(drm_fd, o->fb_width, o->fb_height, bpp,
depth, false, &o->fb_info[1],
o->fb_ids[1] = kmstest_create_fb(drm_fd, o->fb_width, o->fb_height,
o->bpp, o->depth, false, &o->fb_info[1],
paint_flip_mode, (void *)true);
if (!o->fb_ids[0] || !o->fb_ids[1]) {
@ -985,6 +1013,8 @@ int main(int argc, char **argv)
{ 15, TEST_FLIP | TEST_EBUSY , "plain-flip" },
{ 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" },
{ 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" },