From: Seungpyo Hong <sp.hong@samsung.com>
Date: Thu, 17 May 2018 05:43:11 +0000 (+0900)
Subject: [COMMON] g2d: add debug code to measure the LLWFD latency
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0e64836bb6efd3c0108482230e7de60560c65818;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[COMMON] g2d: add debug code to measure the LLWFD latency

Change-Id: Ib9660284ef5bb133b14b922056b153a22bba4a7b
Signed-off-by: Seungpyo Hong <sp.hong@samsung.com>
---

diff --git a/drivers/gpu/exynos/g2d/g2d_debug.c b/drivers/gpu/exynos/g2d/g2d_debug.c
index 54466c6adec6..4f4e0c2eaeff 100644
--- a/drivers/gpu/exynos/g2d/g2d_debug.c
+++ b/drivers/gpu/exynos/g2d/g2d_debug.c
@@ -18,6 +18,8 @@
 #include <linux/debugfs.h>
 #include <linux/sched/task.h>
 
+#include <media/exynos_tsmux.h>
+
 #include "g2d.h"
 #include "g2d_task.h"
 #include "g2d_uapi.h"
@@ -383,4 +385,13 @@ void g2d_stamp_task(struct g2d_task *task, u32 stampid, s32 val)
 			g2d_dump_info(task->g2d_dev, task);
 		}
 	}
+
+	/* LLWFD latency measure */
+	/* media/exynos_tsmux.h includes below functions */
+	if (task != NULL && IS_HWFC(task->flags)) {
+		if (stampid == G2D_STAMP_STATE_PUSH)
+			g2d_blending_start(task->job_id);
+		if (stampid == G2D_STAMP_STATE_DONE)
+			g2d_blending_end(task->job_id);
+	}
 }