usb: typec: displayport: Fill the negotiated SVDM Version in the header
VDM header now requires SVDM Version. Get it from typec_partner. Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Kyle Tso <kyletso@google.com> Link: https://lore.kernel.org/r/20210205033415.3320439-6-kyletso@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -15,8 +15,8 @@
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#include <linux/usb/typec_dp.h>
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#include "displayport.h"
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#define DP_HEADER(_dp, cmd) (VDO((_dp)->alt->svid, 1, SVDM_VER_1_0, cmd) | \
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VDO_OPOS(USB_TYPEC_DP_MODE))
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#define DP_HEADER(_dp, ver, cmd) (VDO((_dp)->alt->svid, 1, ver, cmd) \
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| VDO_OPOS(USB_TYPEC_DP_MODE))
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enum {
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DP_CONF_USB,
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@ -156,9 +156,14 @@ static int dp_altmode_configured(struct dp_altmode *dp)
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static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
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{
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u32 header = DP_HEADER(dp, DP_CMD_CONFIGURE);
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int svdm_version = typec_altmode_get_svdm_version(dp->alt);
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u32 header;
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int ret;
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if (svdm_version < 0)
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return svdm_version;
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header = DP_HEADER(dp, svdm_version, DP_CMD_CONFIGURE);
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ret = typec_altmode_notify(dp->alt, TYPEC_STATE_SAFE, &dp->data);
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if (ret) {
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dev_err(&dp->alt->dev,
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@ -181,6 +186,7 @@ static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
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static void dp_altmode_work(struct work_struct *work)
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{
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struct dp_altmode *dp = container_of(work, struct dp_altmode, work);
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int svdm_version;
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u32 header;
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u32 vdo;
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int ret;
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@ -194,7 +200,10 @@ static void dp_altmode_work(struct work_struct *work)
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dev_err(&dp->alt->dev, "failed to enter mode\n");
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break;
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case DP_STATE_UPDATE:
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header = DP_HEADER(dp, DP_CMD_STATUS_UPDATE);
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svdm_version = typec_altmode_get_svdm_version(dp->alt);
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if (svdm_version < 0)
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break;
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header = DP_HEADER(dp, svdm_version, DP_CMD_STATUS_UPDATE);
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vdo = 1;
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ret = typec_altmode_vdm(dp->alt, header, &vdo, 2);
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if (ret)
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