Currently debugfs for joiner can take a value of 0->dont care and 2->join 2 pipes. Add option to force to use only 1 pipe. If debugfs is set to 1, force to exactly one pipe (ie. no joiner despite what the automagic logic is saying). Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 80c499d642dc..af164e340cb3 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -1344,6 +1344,8 @@ static ssize_t i915_joiner_write(struct file *file, switch (force_joined_pipes) { case 0: break; + case 1: + fallthrough; case 2: connector->force_joined_pipes = force_joined_pipes; break; -- 2.45.2