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authorChris Wilson <chris@chris-wilson.co.uk>2018-02-21 14:47:35 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2018-02-21 21:30:30 +0000
commit9cc545e1d90b36fcce2eeed1235f0b19b764b508 (patch)
tree1ec97af491d8c347b735e2dff26e12396c4b2f79 /tests
parent960e55a87d7b7d7385063e37cc9f281df2be8037 (diff)
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<marta.lofstedt@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Marta Lofstedt<marta.lofstedt@intel.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/kms_fbcon_fbt.c3
1 files changed, 3 insertions, 0 deletions
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");
}