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Commit 0a25157d authored by Jayant Shekhar's avatar Jayant Shekhar
Browse files

msm: mdss: Wait for vsync before iommu attach during cont splash 



During first borderfill commit in splash cleanup, wait for vsync
before iommu attach to prevent IOMMU page faults during bootup.

Change-Id: I68b7162d090513b082cbd4c0013731cedc0ebdbe
Signed-off-by: default avatarJayant Shekhar <jshekhar@codeaurora.org>
parent aec3d856

drivers/video/msm/mdss/mdss_mdp_intf_video.c

+7 −0
Original line number Diff line number Diff line
@@ -695,6 +695,7 @@ static int mdss_mdp_video_display(struct mdss_mdp_ctl *ctl, void *arg) 
{

	struct mdss_mdp_video_ctx *ctx;

	struct mdss_mdp_ctl *sctl;

	struct mdss_panel_data *pdata = ctl->panel_data;

	int rc;



	pr_debug("kickoff ctl=%d\n", ctl->num);
@@ -727,6 +728,12 @@ static int mdss_mdp_video_display(struct mdss_mdp_ctl *ctl, void *arg) 


		pr_debug("enabling timing gen for intf=%d\n", ctl->intf_num);



		if (pdata->panel_info.cont_splash_enabled &&

			!ctl->mfd->splash_info.splash_logo_enabled) {

			rc = wait_for_completion_timeout(&ctx->vsync_comp,

					usecs_to_jiffies(VSYNC_TIMEOUT_US));

		}



		rc = mdss_iommu_ctrl(1);

		if (IS_ERR_VALUE(rc)) {

			pr_err("IOMMU attach failed\n");