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From b4b3ac9b2bdd5c234251bcf9f843cb972f8c06cf Mon Sep 17 00:00:00 2001
From: Vitaliy Vasylskyy <vitaliy.vasylskyy@globallogic.com>
Date: Mon, 17 Dec 2018 15:36:17 +0200
Subject: [PATCH] bugfix: crash during Full HD playback
This fixes issue with kernel crash during Full HD playback.
Loop variable was used twice by mistake, so only plane 0 was
handled properly, and crash happened when plane 1 was in use.
Jira-Id: ADM-2589
Change-Id: I52b69906a10646f5a95220ebced8d3a437ccc89a
Signed-off-by: Vitaliy Vasylskyy <vitaliy.vasylskyy@globallogic.com>
---
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index db32c20..26309fe 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -227,7 +227,7 @@
struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
struct rcar_du_vsp *vsp = to_rcar_vsp_plane(plane)->vsp;
struct rcar_du_device *rcdu = vsp->dev;
- unsigned int i;
+ unsigned int i, j;
int ret;
/*
@@ -260,7 +260,7 @@
src = gem->sgt->sgl;
dst = sgt->sgl;
- for (i = 0; i < gem->sgt->orig_nents; ++i) {
+ for (j = 0; j < gem->sgt->orig_nents; ++j) {
sg_set_page(dst, sg_page(src), src->length,
src->offset);
src = sg_next(src);
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