soc/intel/common: Extend WAIT_FOR_DP_MODE_ENTRY_TIMEOUT_MS to 1500ms
Some dongles require more time to be ready,
this CL extedns the DP mode entry timeout from 0.5s to 1.5s and make
sure the tested dongle display works.
Before:
[WARN ] DP not ready after 500ms. Abort.
After:
[INFO ] DP ready after 1211 ms
BUG=b:348309582
TEST=emerge coreboot
verify tested dongles and monitors display works
Change-Id: I22d7800b50f6f7de9f147ae6998a5015d0dc0be9
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83206
Reviewed-by: Derek Huang <derekhuang@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/soc/intel/common/block/tcss/tcss.c b/src/soc/intel/common/block/tcss/tcss.c
index 1c4b9b3..5ebc129 100644
--- a/src/soc/intel/common/block/tcss/tcss.c
+++ b/src/soc/intel/common/block/tcss/tcss.c
@@ -21,7 +21,7 @@
#define BIAS_CTRL_VW_INDEX_SHIFT 16
#define BIAS_CTRL_BIT_POS_SHIFT 8
#define WAIT_FOR_DISPLAYPORT_TIMEOUT_MS 1000
-#define WAIT_FOR_DP_MODE_ENTRY_TIMEOUT_MS 500
+#define WAIT_FOR_DP_MODE_ENTRY_TIMEOUT_MS 1500
#define WAIT_FOR_HPD_TIMEOUT_MS 3000
static uint32_t tcss_make_conn_cmd(int u, int u3, int u2, int ufp, int hsl,