From: Evoke Zhang <evoke.zhang@amlogic.com>
Date: Fri, 19 Apr 2019 03:30:42 +0000 (+0800)
Subject: vdin: recycle garbage frame for afbc mode [1/1]
X-Git-Tag: hardkernel-4.9.236-104~1390
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3038cb811f97c0222b8f38251324d0d947aca25c;p=platform%2Fkernel%2Flinux-amlogic.git

vdin: recycle garbage frame for afbc mode [1/1]

PD#TV-4335

Problem:
switch tvin signals will flash garbage screen

Solution:
recycle barbage frame for afbc mode

Verify:
x301

Change-Id: I17c13b5db7a506403aa5ac74568b7a9e16c075c0
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>
---

diff --git a/drivers/amlogic/media/vin/tvin/vdin/vdin_debug.c b/drivers/amlogic/media/vin/tvin/vdin/vdin_debug.c
index ca8bbd7..25dce3e 100644
--- a/drivers/amlogic/media/vin/tvin/vdin/vdin_debug.c
+++ b/drivers/amlogic/media/vin/tvin/vdin/vdin_debug.c
@@ -2131,16 +2131,6 @@ start_chk:
 		} else {
 			pr_info("skip_frame_debug: %d\n", skip_frame_debug);
 		}
-	} else if (!strcmp(parm[0], "afbc_preview_drop_cnt")) {
-		if (parm[1] != NULL) {
-			if (kstrtouint(parm[1], 10,
-				&vdin_afbc_preview_force_drop_frame_cnt) == 0)
-				pr_info("set vdin_afbc_preview_force_drop_frame_cnt: %d\n",
-					vdin_afbc_preview_force_drop_frame_cnt);
-		} else {
-			pr_info("vdin_afbc_preview_force_drop_frame_cnt: %d\n",
-				vdin_afbc_preview_force_drop_frame_cnt);
-		}
 	} else if (!strcmp(parm[0], "afbc_drop_cnt")) {
 		if (parm[1] != NULL) {
 			if (kstrtouint(parm[1], 10,
diff --git a/drivers/amlogic/media/vin/tvin/vdin/vdin_drv.c b/drivers/amlogic/media/vin/tvin/vdin/vdin_drv.c
index a3d97b4..84110d9 100644
--- a/drivers/amlogic/media/vin/tvin/vdin/vdin_drv.c
+++ b/drivers/amlogic/media/vin/tvin/vdin/vdin_drv.c
@@ -108,8 +108,7 @@ static int tl1_vdin1_preview_ready_flag;
 static unsigned int vdin_afbc_force_drop_frame = 1;
 static struct vf_entry *vfe_drop_force;
 
-unsigned int vdin_afbc_preview_force_drop_frame_cnt;
-unsigned int vdin_afbc_force_drop_frame_cnt;
+unsigned int vdin_afbc_force_drop_frame_cnt = 2;
 unsigned int max_ignore_frame_cnt = 2;
 unsigned int skip_frame_debug;
 
@@ -679,13 +678,12 @@ void vdin_start_dec(struct vdin_dev_s *devp)
 			tl1_vdin1_preview_flag = 1;
 			tl1_vdin1_data_readied = 0;
 			tl1_vdin1_preview_ready_flag = 0;
-			vdin_afbc_force_drop_frame =
-				vdin_afbc_preview_force_drop_frame_cnt;
 			pr_info("vdin.%d tl1_vdin1_preview state init\n",
 				devp->index);
 		}
 		vfe_drop_force = NULL;
 		max_ignore_frames[devp->index] = max_ignore_frame_cnt;
+		vdin_afbc_force_drop_frame = vdin_afbc_force_drop_frame_cnt;
 	}
 }