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drm/i915/intel_dp: Add support for forcing ultrajoiner

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Allow forcing ultrajoiner through debugfs.

v2: Minor refactoring of switch case logic. (Ville)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930163549.416410-14-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2024-09-30 22:05:49 +05:30
parent f4f8f0eaaa
commit 9949bf7b02
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/display/intel_display_debugfs.c
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@ -1331,6 +1331,7 @@ static ssize_t i915_joiner_write(struct file *file,
{
struct seq_file *m = file->private_data;
struct intel_connector *connector = m->private;
struct drm_i915_private *i915 = to_i915(connector->base.dev);
int force_joined_pipes = 0;
int ret;
@ -1347,6 +1348,13 @@ static ssize_t i915_joiner_write(struct file *file,
case 2:
connector->force_joined_pipes = force_joined_pipes;
break;
case 4:
if (HAS_ULTRAJOINER(i915)) {
connector->force_joined_pipes = force_joined_pipes;
break;
}
fallthrough;
default:
return -EINVAL;
}