Commit 7c40b590 authored Oct 17, 2014 by Huaibin Yang

msm: mdss: disable hw underrun recovery only for older mdp reversions



HW underrun recovery in newer mdp revisions is h/w bug free. Enabling
it may help avoid system wide stability issues.

CRs-fixed: 723006
Change-Id: Ide52f68b272a66e18f62535f091faea91f7f13c7
Signed-off-by: Huaibin Yang <huaibiny@codeaurora.org>

parent a65cf5a3

drivers/video/msm/mdss/mdss_mdp.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1109,7 +1109,8 @@ int mdss_hw_init(struct mdss_data_type *mdata)

		mdss_hw_rev_init(mdata);

		/* disable hw underrun recovery */
		/* Disable hw underrun recovery only for older mdp reversions. */
		if (mdata->mdp_rev < MDSS_MDP_HW_REV_105)
		writel_relaxed(0x0, mdata->mdp_base +
		MDSS_MDP_REG_VIDEO_INTF_UNDERFLOW_CTL);