Commit cd55b5ec authored Aug 17, 2016 by Chandan Uddaraju Committed by Narendra Muppalla Jan 20, 2017

mdss: display-port: fix Display-port disable sequence



Fix the OFF path for display-port driver when cable is
disconnected. Check for link clock status before accessing
any of the mainlink registers. Use common mutex for
DP_ON and DP_OFF sequence. Remove the resource vote
when PLL is diabled.

Change-Id: I9b81f79043b4ea7355b99ba9d8347d79bed10153
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
Signed-off-by: Narendra Muppalla <narendram@codeaurora.org>

parent 50580378

drivers/clk/qcom/mdss/mdss-dp-pll-8998-util.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -583,8 +583,10 @@ int dp_vco_prepare(struct clk *c)
		mdss_pll_resource_enable(dp_pll_res, false);
		pr_err("ndx=%d failed to enable dsi pll\n",
		dp_pll_res->index);
		goto error;
		}

		mdss_pll_resource_enable(dp_pll_res, false);
		error:
		return rc;
		}