diff mbox series

drm/i915/display_debugfs: Remove check for crtc in force bigjoiner

Message ID 20240328141421.609982-1-ankit.k.nautiyal@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/display_debugfs: Remove check for crtc in force bigjoiner | expand

Commit Message

Nautiyal, Ankit K March 28, 2024, 2:14 p.m. UTC
At the moment, we allow force joiner debugs to work only for connector
with status connected and a crtc attached to it.
This creates a problem when we force bigjoiner and then pipe gets reset
before the force bigjoiner is disabled.
Relax the condition to check for crtc while exposing the debugfs.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_debugfs.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Comments

Joshi, Kunal1 March 28, 2024, 2:37 p.m. UTC | #1
Tested-by: Kunal Joshi <kunal1.joshi@intel.com>
Ville Syrjälä March 28, 2024, 5:28 p.m. UTC | #2
On Thu, Mar 28, 2024 at 07:44:21PM +0530, Ankit Nautiyal wrote:
> At the moment, we allow force joiner debugs to work only for connector
> with status connected and a crtc attached to it.
> This creates a problem when we force bigjoiner and then pipe gets reset
> before the force bigjoiner is disabled.
> Relax the condition to check for crtc while exposing the debugfs.
> 
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display_debugfs.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index b99c024b0934..94bc9e0d30fe 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -1405,10 +1405,8 @@ out:	drm_modeset_unlock(&i915->drm.mode_config.connection_mutex);
>  static int i915_bigjoiner_enable_show(struct seq_file *m, void *data)
>  {
>  	struct intel_connector *connector = m->private;
> -	struct drm_crtc *crtc;
>  
> -	crtc = connector->base.state->crtc;
> -	if (connector->base.status != connector_status_connected || !crtc)
> +	if (connector->base.status != connector_status_connected)

Just remove all of it. It serves no purpose.

>  		return -ENODEV;
>  
>  	seq_printf(m, "Bigjoiner enable: %d\n", connector->force_bigjoiner_enable);
> @@ -1443,12 +1441,10 @@ static ssize_t i915_bigjoiner_enable_write(struct file *file,
>  {
>  	struct seq_file *m = file->private_data;
>  	struct intel_connector *connector = m->private;
> -	struct drm_crtc *crtc;
>  	bool bigjoiner_en = 0;
>  	int ret;
>  
> -	crtc = connector->base.state->crtc;
> -	if (connector->base.status != connector_status_connected || !crtc)
> +	if (connector->base.status != connector_status_connected)
>  		return -ENODEV;
>  
>  	ret = kstrtobool_from_user(ubuf, len, &bigjoiner_en);
> -- 
> 2.40.1
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index b99c024b0934..94bc9e0d30fe 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1405,10 +1405,8 @@  out:	drm_modeset_unlock(&i915->drm.mode_config.connection_mutex);
 static int i915_bigjoiner_enable_show(struct seq_file *m, void *data)
 {
 	struct intel_connector *connector = m->private;
-	struct drm_crtc *crtc;
 
-	crtc = connector->base.state->crtc;
-	if (connector->base.status != connector_status_connected || !crtc)
+	if (connector->base.status != connector_status_connected)
 		return -ENODEV;
 
 	seq_printf(m, "Bigjoiner enable: %d\n", connector->force_bigjoiner_enable);
@@ -1443,12 +1441,10 @@  static ssize_t i915_bigjoiner_enable_write(struct file *file,
 {
 	struct seq_file *m = file->private_data;
 	struct intel_connector *connector = m->private;
-	struct drm_crtc *crtc;
 	bool bigjoiner_en = 0;
 	int ret;
 
-	crtc = connector->base.state->crtc;
-	if (connector->base.status != connector_status_connected || !crtc)
+	if (connector->base.status != connector_status_connected)
 		return -ENODEV;
 
 	ret = kstrtobool_from_user(ubuf, len, &bigjoiner_en);