HW default for wake sync pulses is 18. 10 precarge and 8 preamble. There is
no reason to change this especially as it is causing problems with certain
eDP panels.
Signed-off-by: Jouni Högander <jouni.hogan...@intel.com>
Fixes: 605f7c731333 ("drm/i915: Fix fast wake AUX sync len")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8475
---
drivers/gpu/drm/i915/display/intel_dp_aux.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c
b/drivers/gpu/drm/i915/display/intel_dp_aux.c
index 0c27db8ae4f1..197c6e81db14 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c
@@ -129,7 +129,7 @@ static int intel_dp_aux_sync_len(void)
static int intel_dp_aux_fw_sync_len(void)
{
- int precharge = 16; /* 10-16 */
+ int precharge = 10; /* 10-16 */
int preamble = 8;
return precharge + preamble;
--
2.34.1
