From 9cc545e1d90b36fcce2eeed1235f0b19b764b508 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 21 Feb 2018 14:47:35 +0000 Subject: igt/kms_fbcon_fbt: Handle ENODEV when checking i915_fbc_info for chipset support 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 Signed-off-by: Chris Wilson Reviewed-by: Marta Lofstedt --- tests/kms_fbcon_fbt.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'tests/kms_fbcon_fbt.c') 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"); } -- cgit v1.2.3