From: Baihan Li <libai...@huawei.com>
Add colorbar disable operation before reset controller, 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.
Fixes: 3c7623fb5bb6 ("drm/hisilicon/hibmc: Enable this hot plug detect of irq
feature")
Signed-off-by: Baihan Li <libai...@huawei.com>
Signed-off-by: Yongbang Shi <shiyongb...@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@oss.qualcomm.com>
---
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 25a06da05030..9b4d2d989361 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
@@ -179,6 +179,8 @@ 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
