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tests/kms_fbc_crc: add wait_for_fbc_enabled()

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The code has a common pattern of "wait 300ms, then check if FBC is
enabled". Most of the time FBC is enabled in either 50ms or 0ms, so
introduce wait_for_fbc_enabled(), which can return much earlier if FBC
is actually enabled before the 300ms timeout.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
This commit is contained in:
Paulo Zanoni 2014-12-05 13:40:00 -02:00
parent 9bb04d3aa6
commit 26ff2c7daa
1 changed files with 10 additions and 9 deletions
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19
tests/kms_fbc_crc.c
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@ -28,6 +28,7 @@
#include <string.h>
#include "drmtest.h"
#include "igt_aux.h"
#include "igt_debugfs.h"
#include "igt_kms.h"
#include "intel_chipset.h"
@ -203,6 +204,11 @@ static bool fbc_enabled(data_t *data)
return strstr(str, "FBC enabled") != NULL;
}
static bool wait_for_fbc_enabled(data_t *data)
{
return igt_wait(fbc_enabled(data), 300, 30);
}
static void test_crc(data_t *data, enum test_mode mode)
{
uint32_t crtc_id = data->output->config.crtc->crtc_id;
@ -216,9 +222,8 @@ static void test_crc(data_t *data, enum test_mode mode)
handle = data->handle[1];
igt_assert(drmModePageFlip(data->drm_fd, crtc_id,
data->fb_id[1], 0, NULL) == 0);
usleep(300000);
igt_assert(fbc_enabled(data));
igt_assert(wait_for_fbc_enabled(data));
}
switch (mode) {
@ -277,9 +282,7 @@ static void test_crc(data_t *data, enum test_mode mode)
* Allow time for FBC to kick in again if it
* got disabled during dirtyfb or page flip.
*/
usleep(300000);
igt_assert(fbc_enabled(data));
igt_assert(wait_for_fbc_enabled(data));
igt_pipe_crc_start(pipe_crc);
igt_pipe_crc_get_crcs(pipe_crc, 1, &crcs);
@ -338,9 +341,8 @@ static bool prepare_test(data_t *data, enum test_mode test_mode)
/* scanout = fb[1] */
igt_plane_set_fb(data->primary, &data->fb[1]);
igt_display_commit(display);
usleep(300000);
if (!fbc_enabled(data)) {
if (!wait_for_fbc_enabled(data)) {
igt_info("FBC not enabled\n");
igt_plane_set_fb(data->primary, NULL);
@ -388,9 +390,8 @@ static bool prepare_test(data_t *data, enum test_mode test_mode)
/* scanout = fb[0] */
igt_plane_set_fb(data->primary, &data->fb[0]);
igt_display_commit(display);
usleep(300000);
igt_assert(fbc_enabled(data));
igt_assert(wait_for_fbc_enabled(data));
if (test_mode == TEST_CONTEXT || test_mode == TEST_PAGE_FLIP_AND_CONTEXT) {
/*