On Mon, Sep 23, 2024 at 11:43:36PM +0530, Ankit Nautiyal wrote:
> Allow forcing ultrajoiner through debugfs.
>
> v2: Minor refactoring of switch case logic. (Ville)
>
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
> Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_display_debugfs.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index af164e340cb3..01ddebc61944 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -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;
>
> @@ -1349,6 +1350,13 @@ 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;
> }
> --
> 2.45.2
--
Ville Syrjälä
Intel
