[PATCH v2 drm-dp 08/10] drm/hisilicon/hibmc: fix no showing when no connectors connected

[Dmitry Baryshkov]

On Fri, Jun 20, 2025 at 05:31:02PM +0800, Yongbang Shi wrote:
> From: Baihan Li <libaihan at huawei.com>
> 
> Our chip support KVM over IP feature, so hibmc driver need to support
> displaying without any connectors plugged in. Deleting the detect_ctx()
> of VGA to make it connected when no connector is detected.

I think, there is more than that. Please see how AST driver handles the
same issue. I think you need something similar.

> 
> Fixes: 4c962bc929f1 ("drm/hisilicon/hibmc: Add vga connector detect functions")
> Signed-off-by: Baihan Li <libaihan at huawei.com>
> Signed-off-by: Yongbang Shi <shiyongbang at huawei.com>
> ---
>  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> index 841e81f47b68..953474d04b5c 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> @@ -60,7 +60,6 @@ static void hibmc_connector_destroy(struct drm_connector *connector)
>  static const struct drm_connector_helper_funcs
>  	hibmc_connector_helper_funcs = {
>  	.get_modes = hibmc_connector_get_modes,
> -	.detect_ctx = drm_connector_helper_detect_from_ddc,
>  };
>  
>  static const struct drm_connector_funcs hibmc_connector_funcs = {
> -- 
> 2.33.0
> 

-- 
With best wishes
Dmitry