On Wed, Aug 13, 2025 at 05:42:38PM +0800, Yongbang Shi wrote:
From: Baihan Li <libai...@huawei.com>
The DP reset was adding in the former commit, so 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>
This should be squashed into reset commit.
Okay, thanks!
---
ChangeLog:
v3 -> v4:
- fix the commit subject, suggested by Dmitry Baryshkov.
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 18beef71d85f..73a0c0156092 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
@@ -176,8 +176,6 @@ 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);
@@ -187,6 +185,8 @@ 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
