From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 20 Jul 2017 18:45:31 +0100
Subject: drm/dp: Fix read pointer for drm_dp_downsteam_debug()
Git-commit: c11a93f5fd9229dc7c8b90570c75cf70bc3976c2
Patch-mainline: v4.13-rc3
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Pass in the array and not a pointer to the array to drm_dp_dpcd_read().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170720174532.23377-1-chris@chris-wilson.co.uk

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/drm_dp_helper.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -591,7 +591,7 @@ void drm_dp_downstream_debug(struct seq_
 		seq_printf(m, "\t\tHW: %d.%d\n",
 			   (rev[0] & 0xf0) >> 4, rev[0] & 0xf);
 
-	len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, &rev, 2);
+	len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, rev, 2);
 	if (len > 0)
 		seq_printf(m, "\t\tSW: %d.%d\n", rev[0], rev[1]);