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Commit 165bfda1 authored by Adrian Salido-Moreno's avatar Adrian Salido-Moreno
Browse files

msm: mdss: increase display commit thread priority 



In order to provide faster updates to panel, increase the priority of
display thread to reduce latency of display updates.

Change-Id: Iaf0824fdd44c0177c30f14fae0dc8dd96abc4a11
Signed-off-by: default avatarAdrian Salido-Moreno <adrianm@codeaurora.org>
parent 7cdd3a43

drivers/video/msm/mdss/mdss_fb.c

+12 −0
Original line number Diff line number Diff line
@@ -1571,6 +1571,18 @@ static int __mdss_fb_display_thread(void *data) 
{

	struct msm_fb_data_type *mfd = data;

	int ret;

	struct sched_param param;



	/*

	 * this priority was found during empiric testing to have appropriate

	 * realtime scheduling to process display updates and interact with

	 * other real time and normal priority tasks

	 */

	param.sched_priority = 16;

	ret = sched_setscheduler(current, SCHED_FIFO, &param);

	if (ret)

		pr_warn("set priority failed for fb%d display thread\n",

				mfd->index);



	while (1) {

		wait_event(mfd->commit_wait_q,