From: Baihan Li <[email protected]>
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.
Fixes: 3c7623fb5bb6 ("drm/hisilicon/hibmc: Enable this hot plug detect of irq
feature")
Signed-off-by: Baihan Li <[email protected]>
Signed-off-by: Yongbang Shi <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Reviewed-by: Tao Tian <[email protected]>
---
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 8f8ca940b6b2..d5bd3c45649b 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
