diff options
| author | Kapil Porwal <kapilporwal@google.com> | 2023-07-10 11:27:17 +0000 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2023-07-15 12:47:02 +0000 |
| commit | c2c5801dcd06fece4ea477c22c2eca3ecbed3a04 (patch) | |
| tree | 89bf99ae036fb754bb3e209c571a524dd204dc54 | |
| parent | ba7fee9159ca99afe8f1713f00e79bc3d909abb7 (diff) | |
ec/google/chromeec: Skip unnecessary call to TCSS `enter_dp_mode` cmd
Skip TCSS `enter_dp_mode` command when there is no USB device detected
on the port.
BUG=b:247670186
TEST=Verify display over TCSS and its impact on boot time for
google/rex
Signed-off-by: Kapil Porwal <kapilporwal@google.com>
Change-Id: Ie6cd84cab3631596d4d7178dae2040e25c621f63
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76352
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
| -rw-r--r-- | src/ec/google/chromeec/ec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c index cad48618bf..effce6e586 100644 --- a/src/ec/google/chromeec/ec.c +++ b/src/ec/google/chromeec/ec.c @@ -1213,9 +1213,16 @@ static int google_chromeec_usb_pd_get_info(int port, bool *ufp, bool *dbg_acc, int google_chromeec_typec_control_enter_dp_mode(int port) { + int ret; + struct usbc_mux_info mux_info; + if (!google_chromeec_check_feature(EC_FEATURE_TYPEC_REQUIRE_AP_MODE_ENTRY)) return 0; + ret = google_chromeec_get_usbc_mux_info(port, &mux_info); + if ((ret < 0) || (!mux_info.usb)) + return -1; + const struct ec_params_typec_control typec_control = { .port = port, .command = TYPEC_CONTROL_COMMAND_ENTER_MODE, |