The current VKMS driver uses non-managed function to create connectors. It
is not an issue yet, but in order to support multiple devices easily,
convert this code to use drm and device managed helpers.

Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
---
 drivers/gpu/drm/vkms/vkms_output.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
index 8f4bd5aef087b459d37d0cbbf90fe0145090917a..570823ecb28f589e6323036590ec05a2f633bc9b 100644
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ b/drivers/gpu/drm/vkms/vkms_output.c
@@ -3,11 +3,11 @@
 #include "vkms_drv.h"
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_managed.h>
 #include <drm/drm_probe_helper.h>
 
 static const struct drm_connector_funcs vkms_connector_funcs = {
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = drm_connector_cleanup,
 	.reset = drm_atomic_helper_connector_reset,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
@@ -75,8 +75,8 @@ int vkms_output_init(struct vkms_device *vkmsdev)
 		}
 	}
 
-	ret = drm_connector_init(dev, connector, &vkms_connector_funcs,
-				 DRM_MODE_CONNECTOR_VIRTUAL);
+	ret = drmm_connector_init(dev, connector, &vkms_connector_funcs,
+				  DRM_MODE_CONNECTOR_VIRTUAL, NULL);
 	if (ret) {
 		DRM_ERROR("Failed to init connector\n");
 		return ret;
@@ -88,7 +88,7 @@ int vkms_output_init(struct vkms_device *vkmsdev)
 			       DRM_MODE_ENCODER_VIRTUAL, NULL);
 	if (ret) {
 		DRM_ERROR("Failed to init encoder\n");
-		goto err_encoder;
+		return ret;
 	}
 	encoder->possible_crtcs = drm_crtc_mask(crtc);
 
@@ -110,9 +110,5 @@ int vkms_output_init(struct vkms_device *vkmsdev)
 
 err_attach:
 	drm_encoder_cleanup(encoder);
-
-err_encoder:
-	drm_connector_cleanup(connector);
-
 	return ret;
 }

-- 
2.47.0

Hi Louis,

On 22/11/24 13:27, Louis Chauvet wrote:
> The current VKMS driver uses non-managed function to create connectors. It
> is not an issue yet, but in order to support multiple devices easily,
> convert this code to use drm and device managed helpers.
> 
> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>

Reviewed-by: Maíra Canal <mcanal@igalia.com>

Best Regards,
- Maíra

> ---
>   drivers/gpu/drm/vkms/vkms_output.c | 12 ++++--------
>   1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
> index 8f4bd5aef087b459d37d0cbbf90fe0145090917a..570823ecb28f589e6323036590ec05a2f633bc9b 100644
> --- a/drivers/gpu/drm/vkms/vkms_output.c
> +++ b/drivers/gpu/drm/vkms/vkms_output.c
> @@ -3,11 +3,11 @@
>   #include "vkms_drv.h"
>   #include <drm/drm_atomic_helper.h>
>   #include <drm/drm_edid.h>
> +#include <drm/drm_managed.h>
>   #include <drm/drm_probe_helper.h>
>   
>   static const struct drm_connector_funcs vkms_connector_funcs = {
>   	.fill_modes = drm_helper_probe_single_connector_modes,
> -	.destroy = drm_connector_cleanup,
>   	.reset = drm_atomic_helper_connector_reset,
>   	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
> @@ -75,8 +75,8 @@ int vkms_output_init(struct vkms_device *vkmsdev)
>   		}
>   	}
>   
> -	ret = drm_connector_init(dev, connector, &vkms_connector_funcs,
> -				 DRM_MODE_CONNECTOR_VIRTUAL);
> +	ret = drmm_connector_init(dev, connector, &vkms_connector_funcs,
> +				  DRM_MODE_CONNECTOR_VIRTUAL, NULL);
>   	if (ret) {
>   		DRM_ERROR("Failed to init connector\n");
>   		return ret;
> @@ -88,7 +88,7 @@ int vkms_output_init(struct vkms_device *vkmsdev)
>   			       DRM_MODE_ENCODER_VIRTUAL, NULL);
>   	if (ret) {
>   		DRM_ERROR("Failed to init encoder\n");
> -		goto err_encoder;
> +		return ret;
>   	}
>   	encoder->possible_crtcs = drm_crtc_mask(crtc);
>   
> @@ -110,9 +110,5 @@ int vkms_output_init(struct vkms_device *vkmsdev)
>   
>   err_attach:
>   	drm_encoder_cleanup(encoder);
> -
> -err_encoder:
> -	drm_connector_cleanup(connector);
> -
>   	return ret;
>   }
> 

On Fri, 22 Nov 2024 17:27:56 +0100, Louis Chauvet wrote:
> The current VKMS driver uses non-managed function to create connectors. It
> is not an issue yet, but in order to support multiple devices easily,
> convert this code to use drm and device managed helpers.
> 
> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
> 
> [ ... ]

Reviewed-by: Maxime Ripard <mripard@kernel.org>

Thanks!
Maxime