On 18/02/25 - 18:08, José Expósito wrote:
> Add a new module param to allow to create or not the default VKMS
> instance. Useful when combined with configfs to avoid having additional
> VKMS instances.
>
> Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
> ---
> drivers/gpu/drm/vkms/vkms_drv.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
> index 5bcfbcb6c0c5..b4ed19c97576 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.c
> +++ b/drivers/gpu/drm/vkms/vkms_drv.c
> @@ -50,6 +50,10 @@ static bool enable_overlay;
> module_param_named(enable_overlay, enable_overlay, bool, 0444);
> MODULE_PARM_DESC(enable_overlay, "Enable/Disable overlay support");
>
> +static bool create_default_dev = true;
> +module_param_named(create_default_dev, create_default_dev, bool, 0444);
> +MODULE_PARM_DESC(create_default_dev, "Create or not the default VKMS device");
> +
> DEFINE_DRM_GEM_FOPS(vkms_driver_fops);
>
> static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state)
> @@ -219,6 +223,9 @@ static int __init vkms_init(void)
> if (ret)
> return ret;
>
> + if (!create_default_dev)
> + return 0;
> +
> config = vkms_config_default_create(enable_cursor, enable_writeback, enable_overlay);
> if (IS_ERR(config))
> return PTR_ERR(config);
> --
> 2.48.1
>