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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Todd Previte <tprevite@gmail.com>,
	Sasha Levin <sashal@kernel.org>,
	Maxime Ripard <maxime.ripard@bootlin.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, David Airlie <airlied@linux.ie>,
	Sean Paul <seanpaul@chromium.org>,
	dri-devel@lists.freedesktop.org, Dave Airlie <airlied@redhat.com>,
	Sean Paul <sean@poorly.run>
Subject: [PATCH 4.14 020/161] drm: mst: Fix query_payload ack reply struct
Date: Sun, 29 Dec 2019 18:17:48 +0100	[thread overview]
Message-ID: <20191229162403.009203257@linuxfoundation.org> (raw)
In-Reply-To: <20191229162355.500086350@linuxfoundation.org>

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 --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index d55abb75f29a..eec6cba204ea 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 {
-- 
2.20.1



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           reply	other threads:[~2019-12-29 17:21 UTC|newest]

Thread overview: expand[flat|nested]  mbox.gz  Atom feed
 [parent not found: <20191229162355.500086350@linuxfoundation.org>]

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