From: Ville Syrjälä <[email protected]>

The setcrtc ioctl ignores the fb_id when there's no mode specified.
So passing -1 doens't make much sense. When there is a more, -1 means
to preserve the current fb.

Signed-off-by: Ville Syrjälä <[email protected]>
---
 lib/igt_kms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 51d735d..d6c65f0 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -824,7 +824,7 @@ void kmstest_unset_all_crtcs(int drm_fd, drmModeResPtr 
resources)
        int i, rc;
 
        for (i = 0; i < resources->count_crtcs; i++) {
-               rc = drmModeSetCrtc(drm_fd, resources->crtcs[i], -1, 0, 0, NULL,
+               rc = drmModeSetCrtc(drm_fd, resources->crtcs[i], 0, 0, 0, NULL,
                                    0, NULL);
                igt_assert(rc == 0);
        }
-- 
2.4.10

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