[PATCH v3 drm-dp 10/11] drm/hisilicon/hibmc: adapting modification for the former commit

[Yongbang Shi]

> On Fri, Jul 18, 2025 at 02:51:24PM +0800, Yongbang Shi wrote:
>> From: Baihan Li <libaihan at huawei.com>
>>
>> Add colorbar disable operation before reset chontroller, to make sure
>> colorbar status is clear in the DP init, so if rmmod the driver and the
>> previous colorbar configuration will not affect the next time insmod the
>> driver.
> In this one and in the next one please fix commit subjects. Can't parse
> them.

Sorry about that, I will fix them!


>> 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.
>>    - split into 2 commits, suggested by Dmitry Baryshkov.
>>    - add more comments in commit log, suggested by Dmitry Baryshkov.
>> ---
>>   drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
>> index 36daf7542d40..85499f1ace8b 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
>> @@ -180,6 +180,8 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
>>   	/* 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);
>> -- 
>> 2.33.0
>>