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