From: Pengcheng Chen <pengcheng.chen@amlogic.com>
Date: Fri, 11 Jan 2019 09:40:36 +0000 (+0800)
Subject: osd: afbc decode error when write afbc start before afbc reset [1/1]
X-Git-Tag: khadas-vims-v0.9.6-release~961
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ab40f4336cf6e6467ba1c4d1c089e608783455dc;p=platform%2Fkernel%2Flinux-amlogic.git

osd: afbc decode error when write afbc start before afbc reset [1/1]

PD#SWPL-4016

Problem:
afbc decode error when write afbc start before afbc reset reg

Solution:
replace invalid reg when found afbc start before afbc reset reg

Verify:
test pass on franklin

Change-Id: Ia01608fe4d5c6132d0b54e63c48560e9e77bfe0a
Signed-off-by: Pengcheng Chen <pengcheng.chen@amlogic.com>
---

diff --git a/drivers/amlogic/media/osd/osd_rdma.c b/drivers/amlogic/media/osd/osd_rdma.c
index 15b2043..f1d08ca 100644
--- a/drivers/amlogic/media/osd/osd_rdma.c
+++ b/drivers/amlogic/media/osd/osd_rdma.c
@@ -405,6 +405,17 @@ static inline int wrtie_reg_internal(u32 addr, u32 val)
 	/* TODO remove the Done write operation to save the time */
 	request_item.addr = OSD_RDMA_FLAG_REG;
 	request_item.val = OSD_RDMA_STATUS_MARK_TBL_DONE;
+	/* afbc start before afbc reset will cause afbc decode error */
+	if (addr == VIU_SW_RESET) {
+		int i = 0;
+
+		for (i = 0; i < item_count; i++) {
+			if (rdma_table[i].addr == VPU_MAFBC_COMMAND) {
+				rdma_table[i].addr = VIU_OSD1_TEST_RDDATA;
+				rdma_table[i].val = 0x0;
+			}
+		}
+	}
 	osd_rdma_mem_cpy(
 		&rdma_table[item_count],
 		&request_item, 8);