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ec/google/chromeec: Skip TCSS `wait_for_connection` for AP mode entry 

Skip TCSS `wait_for_connection` for AP initiated mode entry.

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: Ia04ff470961831237fe851f7ae3feaa5623d4b4a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76368
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Kapil Porwal 2023-07-10 11:29:40 +00:00 committed by Subrata Banik
parent c2c5801dcd
commit 9a127bf2d1
1 changed files with 5 additions and 0 deletions
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5
src/ec/google/chromeec/ec.c
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@ -1352,6 +1352,11 @@ int google_chromeec_wait_for_displayport(long timeout_ms)
struct stopwatch sw; struct stopwatch sw;
int ret = 0; int ret = 0;
if (google_chromeec_check_feature(EC_FEATURE_TYPEC_REQUIRE_AP_MODE_ENTRY)) {
printk(BIOS_INFO, "AP Mode Entry enabled, skip waiting for DisplayPort connection\n");
return -1;
}
printk(BIOS_INFO, "Waiting for DisplayPort\n"); printk(BIOS_INFO, "Waiting for DisplayPort\n");
stopwatch_init_msecs_expire(&sw, timeout_ms); stopwatch_init_msecs_expire(&sw, timeout_ms);
while (1) { while (1) {