From: Baihan Li <libai...@huawei.com>

The DP reset was adding in the former commit, and move HDCP cfg after DP
controller deresets, so that configuration takes effect.

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>
---
ChangeLog:
v2 -> v3:
  - split into 2 commits, suggested by Dmitry Baryshkov.
---
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 4 ++--
 1 file changed, 2 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 85499f1ace8b..7ba01e7901d3 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
@@ -175,8 +175,6 @@ 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);
@@ -186,6 +184,8 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
        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

Reply via email to