[PATCH v2 drm-dp 10/10] drm/hisilicon/hibmc: adapting modification for the former commit

[Dmitry Baryshkov]

On Fri, Jun 20, 2025 at 05:31:04PM +0800, Yongbang Shi wrote:
> From: Baihan Li <libaihan at huawei.com>
> 
> Add colorbar disable operation and move hdcp opreation behind the reset
> controller operation.

Two items => two commits
You missed the 'why' part of the commit message.

> 
> Fixes: 3c7623fb5bb6 ("drm/hisilicon/hibmc: Enable this hot plug detect of irq feature")
> Fixes: 94ee73ee3020 ("drm/hisilicon/hibmc: add dp hw moduel in hibmc driver")

Which one is wrong?

> Signed-off-by: Baihan Li <libaihan at huawei.com>
> Signed-off-by: Yongbang Shi <shiyongbang at huawei.com>
> ---
> ChangeLog:
> v1 -> v2:
>   - separate the patch, suggested by Dmitry Baryshkov.
> ---
>  drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
> index edb7539d830e..bb19636caf77 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
> @@ -172,15 +172,17 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
>  	dp_dev->link.cap.lanes = 0x2;
>  	dp_dev->link.cap.link_rate = DP_LINK_BW_8_1;
>  
> -	/* hdcp data */
> -	writel(HIBMC_DP_HDCP, dp_dev->base + HIBMC_DP_HDCP_CFG);
>  	/* int init */
>  	writel(0, dp_dev->base + HIBMC_DP_INTR_ENABLE);
>  	writel(HIBMC_DP_INT_RST, dp_dev->base + HIBMC_DP_INTR_ORIGINAL_STATUS);
> +	/* clr colorbar */
> +	writel(0, dp_dev->base + HIBMC_DP_COLOR_BAR_CTRL);
>  	/* rst */
>  	writel(0, dp_dev->base + HIBMC_DP_DPTX_RST_CTRL);
>  	usleep_range(30, 50);
>  	writel(HIBMC_DP_DPTX_RST, dp_dev->base + HIBMC_DP_DPTX_RST_CTRL);
> +	/* hdcp data */
> +	writel(HIBMC_DP_HDCP, dp_dev->base + HIBMC_DP_HDCP_CFG);
>  	/* clock enable */
>  	writel(HIBMC_DP_CLK_EN, dp_dev->base + HIBMC_DP_DPTX_CLK_CTRL);
>  
> -- 
> 2.33.0
> 

-- 
With best wishes
Dmitry