[PATCH] drm: kirin: Fix missing clk_disable_unprepare in ade_power_up()

[Shang XiaoJing]

The clk_disable_unprepare() should be called in the error handling of
ade_power_up(). So as reset_control_assert().

Fixes: 783ad972c9a0 ("drm/hisilicon: Add crtc driver for ADE")
Signed-off-by: Shang XiaoJing <shangxiaojing at huawei.com>
---
 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
index 871f79a6b17e..439e87923bcf 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
@@ -229,12 +229,15 @@ static int ade_power_up(struct ade_hw_ctx *ctx)
 	ret = reset_control_deassert(ctx->reset);
 	if (ret) {
 		DRM_ERROR("failed to deassert reset\n");
+		clk_disable_unprepare(ctx->media_noc_clk);
 		return ret;
 	}
 
 	ret = clk_prepare_enable(ctx->ade_core_clk);
 	if (ret) {
 		DRM_ERROR("failed to enable ade_core_clk (%d)\n", ret);
+		reset_control_assert(ctx->reset);
+		clk_disable_unprepare(ctx->media_noc_clk);
 		return ret;
 	}
 
-- 
2.17.1