msm: mdss: Mark display-wake kthread as performance critical

This kthread is responsible for powering on the display, so it needs to
run as soon as possible to minimize lag when turning the display on.

Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>

diff --git a/drivers/video/fbdev/msm/mdss_dsi.c b/drivers/video/fbdev/msm/mdss_dsi.c
index 5063087..daba182 100644 (file)
--- a/drivers/video/fbdev/msm/mdss_dsi.c
+++ b/drivers/video/fbdev/msm/mdss_dsi.c
@@ -3831,8 +3831,9 @@ static int mdss_dsi_ctrl_probe(struct platform_device *pdev)
 
        init_completion(&ctrl_pdata->wake_comp);
        init_waitqueue_head(&ctrl_pdata->wake_waitq);
-       ctrl_pdata->wake_thread = kthread_run(mdss_dsi_disp_wake_thread,
-                                             ctrl_pdata, "mdss_display_wake");
+       ctrl_pdata->wake_thread =
+               kthread_run_perf_critical(mdss_dsi_disp_wake_thread,
+                                         ctrl_pdata, "mdss_display_wake");
        if (IS_ERR(ctrl_pdata->wake_thread)) {
                rc = PTR_ERR(ctrl_pdata->wake_thread);
                pr_err("%s: Failed to start display wake thread, rc=%d\n",