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From: Kyle Tso <kyletso@google.com>
To: linux@roeck-us.net, heikki.krogerus@linux.intel.com,
	gregkh@linuxfoundation.org, hdegoede@redhat.com,
	robh+dt@kernel.org
Cc: badhri@google.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Kyle Tso <kyletso@google.com>
Subject: [PATCH v6 5/7] usb: typec: displayport: Fill the negotiated SVDM Version in the header
Date: Fri,  5 Feb 2021 11:34:13 +0800	[thread overview]
Message-ID: <20210205033415.3320439-6-kyletso@google.com> (raw)
In-Reply-To: <20210205033415.3320439-1-kyletso@google.com>

VDM header now requires SVDM Version. Get it from typec_partner.

Signed-off-by: Kyle Tso <kyletso@google.com>
---
Changes since v5:
- follow the changes of "usb: typec: Manage SVDM version"

 drivers/usb/typec/altmodes/displayport.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index 0abc3121238f..b7f094435b00 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -15,8 +15,8 @@
 #include <linux/usb/typec_dp.h>
 #include "displayport.h"
 
-#define DP_HEADER(_dp, cmd)		(VDO((_dp)->alt->svid, 1, SVDM_VER_1_0, cmd) | \
-					 VDO_OPOS(USB_TYPEC_DP_MODE))
+#define DP_HEADER(_dp, ver, cmd)	(VDO((_dp)->alt->svid, 1, ver, cmd)	\
+					 | VDO_OPOS(USB_TYPEC_DP_MODE))
 
 enum {
 	DP_CONF_USB,
@@ -156,9 +156,14 @@ static int dp_altmode_configured(struct dp_altmode *dp)
 
 static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
 {
-	u32 header = DP_HEADER(dp, DP_CMD_CONFIGURE);
+	int svdm_version = typec_altmode_get_svdm_version(dp->alt);
+	u32 header;
 	int ret;
 
+	if (svdm_version < 0)
+		return svdm_version;
+
+	header = DP_HEADER(dp, svdm_version, DP_CMD_CONFIGURE);
 	ret = typec_altmode_notify(dp->alt, TYPEC_STATE_SAFE, &dp->data);
 	if (ret) {
 		dev_err(&dp->alt->dev,
@@ -181,6 +186,7 @@ static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
 static void dp_altmode_work(struct work_struct *work)
 {
 	struct dp_altmode *dp = container_of(work, struct dp_altmode, work);
+	int svdm_version;
 	u32 header;
 	u32 vdo;
 	int ret;
@@ -194,7 +200,10 @@ static void dp_altmode_work(struct work_struct *work)
 			dev_err(&dp->alt->dev, "failed to enter mode\n");
 		break;
 	case DP_STATE_UPDATE:
-		header = DP_HEADER(dp, DP_CMD_STATUS_UPDATE);
+		svdm_version = typec_altmode_get_svdm_version(dp->alt);
+		if (svdm_version < 0)
+			break;
+		header = DP_HEADER(dp, svdm_version, DP_CMD_STATUS_UPDATE);
 		vdo = 1;
 		ret = typec_altmode_vdm(dp->alt, header, &vdo, 2);
 		if (ret)
-- 
2.30.0.365.g02bc693789-goog


  parent reply	other threads:[~2021-02-05  3:37 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-05  3:34 [PATCH v6 0/7] common SVDM version and VDO from dt Kyle Tso
2021-02-05  3:34 ` [PATCHi v6 1/7] usb: typec: Manage SVDM version Kyle Tso
2021-02-12  4:09   ` Guenter Roeck
2021-02-05  3:34 ` [PATCH v6 2/7] usb: pd: Make SVDM Version configurable in VDM header Kyle Tso
2021-02-12  4:09   ` Guenter Roeck
2021-02-05  3:34 ` [PATCH v6 3/7] usb: typec: tcpm: Determine common SVDM Version Kyle Tso
2021-02-12  4:17   ` Guenter Roeck
2021-02-12  7:10     ` Kyle Tso
2021-02-12  7:24       ` Kyle Tso
2021-02-12 15:18         ` Guenter Roeck
2021-02-12 15:20   ` Guenter Roeck
2021-02-05  3:34 ` [PATCH v6 4/7] usb: typec: ucsi: " Kyle Tso
2021-02-12  4:18   ` Guenter Roeck
2021-02-05  3:34 ` Kyle Tso [this message]
2021-02-12  4:19   ` [PATCH v6 5/7] usb: typec: displayport: Fill the negotiated SVDM Version in the header Guenter Roeck
2021-02-05  3:34 ` [PATCH v6 6/7] dt-bindings: connector: Add SVDM VDO properties Kyle Tso
2021-02-05 21:29   ` Rob Herring
2021-02-06  0:29     ` Kyle Tso
2021-02-12  4:21   ` Guenter Roeck
2021-02-12  7:28     ` Kyle Tso
2021-02-05  3:34 ` [PATCH v6 7/7] usb: typec: tcpm: Get Sink VDO from fwnode Kyle Tso
2021-02-12  4:21   ` Guenter Roeck
2021-02-05 11:42 ` [PATCH v6 0/7] common SVDM version and VDO from dt Heikki Krogerus
2021-02-05 12:20   ` Guenter Roeck

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