diff mbox series

[4.19,027/219] drm: mst: Fix query_payload ack reply struct

Message ID 20191229162512.795401253@linuxfoundation.org (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Dec. 29, 2019, 5:17 p.m. UTC 
From: Sean Paul <seanpaul@chromium.org>

[ Upstream commit 268de6530aa18fe5773062367fd119f0045f6e88 ]

Spec says[1] Allocated_PBN is 16 bits

[1]- DisplayPort 1.2 Spec, Section 2.11.9.8, Table 2-98

Fixes: ad7f8a1f9ced ("drm/helper: add Displayport multi-stream helper (v0.6)")
Cc: Lyude Paul <lyude@redhat.com>
Cc: Todd Previte <tprevite@gmail.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190829165223.129662-1-sean@poorly.run
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/drm/drm_dp_mst_helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index 7f78d26a0766..0f7439f0bb2f 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -313,7 +313,7 @@  struct drm_dp_resource_status_notify {
 
 struct drm_dp_query_payload_ack_reply {
 	u8 port_number;
-	u8 allocated_pbn;
+	u16 allocated_pbn;
 };
 
 struct drm_dp_sideband_msg_req_body {