If the machine doesn't support FBC, it will return -ENODEV from i915_fbc_info, which we want to interpret as unsupported. Reported-by: Marta Lofstedt<marta.lofstedt@xxxxxxxxx> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Marta Lofstedt<marta.lofstedt@xxxxxxxxx> --- tests/kms_fbcon_fbt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/kms_fbcon_fbt.c b/tests/kms_fbcon_fbt.c index 51f11728..1b236f8b 100644 --- a/tests/kms_fbcon_fbt.c +++ b/tests/kms_fbcon_fbt.c @@ -87,6 +87,9 @@ static bool fbc_supported_on_chipset(int fd) char buf[128]; igt_debugfs_read(fd, "i915_fbc_status", buf); + if (*buf == '\0') /* !HAS_FBC -> -ENODEV*/ + return false; + return !strstr(buf, "FBC unsupported on this chipset\n"); } -- 2.16.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
