From: Cho KyongHo <pullip.cho@samsung.com>
Date: Thu, 30 Nov 2017 15:40:51 +0000 (+0900)
Subject: g2d: add log of execution failure by priority
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=74ecec1def6fa0f8dc159a4a7fb8e326bad0184f;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

g2d: add log of execution failure by priority

Change-Id: Ie6648726506be751fc4b9a03c6e374ae3c8c9b64
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
---

diff --git a/drivers/gpu/exynos/g2d/g2d_drv.c b/drivers/gpu/exynos/g2d/g2d_drv.c
index fdf577358c13..1376b43a4b9d 100644
--- a/drivers/gpu/exynos/g2d/g2d_drv.c
+++ b/drivers/gpu/exynos/g2d/g2d_drv.c
@@ -335,8 +335,16 @@ static long g2d_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 				break;
 			}
 		}
-		if (ret)
+
+		if (ret) {
+			if (ctx->authority == G2D_AUTHORITY_HIGHUSER)
+				dev_err(g2d_dev->dev,
+					"%s: prio %d/%d found higher than %d\n",
+					__func__, i,
+					atomic_read(&g2d_dev->prior_stats[i]),
+					ctx->priority);
 			break;
+		}
 
 		if (copy_from_user(&data, uptr, sizeof(data))) {
 			dev_err(g2d_dev->dev,