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disp: msm: dp: update number of lanes used to usb driver

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This change fixes issue, where USB driver was not properly updated
with the number of dp lanes being used for altmode usecase.

Change-Id: Ic93d3e3b37aa8ad2d664e006ede3cf6c27d7133a
Signed-off-by: Vara Reddy <varar@codeaurora.org>
This commit is contained in:
Vara Reddy
2021-04-14 18:02:40 -07:00
committed by Gerrit - the friendly Code Review server
parent d914d696bf
commit 396c3acc01
1 changed files with 8 additions and 5 deletions
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13
msm/dp/dp_altmode.c
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@@ -28,6 +28,7 @@ struct dp_altmode_private {
struct dp_altmode dp_altmode;
struct altmode_client *amclient;
bool connected;
u32 lanes;
};
enum dp_altmode_pin_assignment {
@@ -47,7 +48,6 @@ static int dp_altmode_set_usb_dp_mode(struct dp_altmode_private *altmode)
struct device_node *usb_node;
struct platform_device *usb_pdev;
int timeout = 250;
u32 lanes = 4;
if (!altmode || !altmode->dev) {
DP_ERR("invalid args\n");
@@ -56,9 +56,6 @@ static int dp_altmode_set_usb_dp_mode(struct dp_altmode_private *altmode)
np = altmode->dev->of_node;
if (altmode->connected && altmode->dp_altmode.base.force_multi_func)
lanes = 2;
usb_node = of_parse_phandle(np, "usb-controller", 0);
if (!usb_node) {
DP_ERR("unable to get usb node\n");
@@ -73,7 +70,7 @@ static int dp_altmode_set_usb_dp_mode(struct dp_altmode_private *altmode)
}
while (timeout) {
rc = dwc3_msm_set_dp_mode(&usb_pdev->dev, altmode->connected, lanes);
rc = dwc3_msm_set_dp_mode(&usb_pdev->dev, altmode->connected, altmode->lanes);
if (rc != -EBUSY)
break;
@@ -167,6 +164,12 @@ static int dp_altmode_notify(void *priv, void *data, size_t len)
altmode->connected = true;
altmode->dp_altmode.base.alt_mode_cfg_done = true;
altmode->forced_disconnect = false;
altmode->lanes = 4;
if (altmode->dp_altmode.base.multi_func)
altmode->lanes = 2;
DP_DEBUG("Connected=%d, lanes=%d\n",altmode->connected,altmode->lanes);
switch (orientation) {
case 0: