[PATCH v3 drm-dp 09/11] drm/hisilicon/hibmc: fix no showing problem with loading hibmc manually

[Dmitry Baryshkov]

On Fri, Jul 18, 2025 at 02:51:23PM +0800, Yongbang Shi wrote:
> From: Baihan Li <libaihan at huawei.com>
> 
> When using command rmmod and insmod, there is no showing in second time
> insmoding. Because DP controller won't send HPD signals, if connection
> doesn't change or controller isn't reset. So add reset before unreset
> in hibmc_dp_hw_init().
> 
> Fixes: 3c7623fb5bb6 ("drm/hisilicon/hibmc: Enable this hot plug detect of irq feature")
> Signed-off-by: Baihan Li <libaihan at huawei.com>
> Signed-off-by: Yongbang Shi <shiyongbang at huawei.com>
> ---
> ChangeLog:
> v2 -> v3:
>   - fix the issue commit ID, suggested by Dmitry Baryshkov.
> ---
>  drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>


-- 
With best wishes
Dmitry