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 <[email protected]> --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 2 ++ drivers/gpu/drm/i915/display/intel_dp.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 5775413c6763..85742400348f 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -1533,6 +1533,8 @@ static ssize_t i915_joiner_write(struct file *file, switch (force_join_pipes) { case 0: fallthrough; + case 1: + fallthrough; case 2: connector->force_joined_pipes = force_join_pipes; break; diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 96ad048b68cf..369829ea5a12 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1288,6 +1288,8 @@ int intel_dp_compute_num_pipes(struct intel_dp *intel_dp, int hdisplay, int clock) { switch (connector->force_joined_pipes) { + case 1: + fallthrough; case 2: return connector->force_joined_pipes; default: -- 2.45.2
