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 ++
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
