35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
|
From 4fe0280a07dea7997dd8a789c704f69b5620cdd2 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Eric Anholt <eric@anholt.net>
|
||
|
|
Date: Wed, 28 Sep 2016 17:21:05 -0700
|
||
|
|
Subject: [PATCH] drm/vc4: Increase timeout for HDMI_SCHEDULER_CONTROL changes.
|
||
|
|
|
||
|
|
Fixes occasional debug spew at boot when connected directly through
|
||
|
|
HDMI, and probably confusing the HDMI state machine when we go trying
|
||
|
|
to poke registers for the enable sequence too soon.
|
||
|
|
|
||
|
|
Signed-off-by: Eric Anholt <eric@anholt.net>
|
||
|
|
---
|
||
|
|
drivers/gpu/drm/vc4/vc4_hdmi.c | 4 ++--
|
||
|
|
1 file changed, 2 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
|
||
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
|
||
|
|
@@ -408,7 +408,7 @@ static void vc4_hdmi_encoder_enable(stru
|
||
|
|
VC4_HDMI_SCHEDULER_CONTROL_MODE_HDMI);
|
||
|
|
|
||
|
|
ret = wait_for(HDMI_READ(VC4_HDMI_SCHEDULER_CONTROL) &
|
||
|
|
- VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE, 1);
|
||
|
|
+ VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE, 1000);
|
||
|
|
WARN_ONCE(ret, "Timeout waiting for "
|
||
|
|
"VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE\n");
|
||
|
|
} else {
|
||
|
|
@@ -420,7 +420,7 @@ static void vc4_hdmi_encoder_enable(stru
|
||
|
|
~VC4_HDMI_SCHEDULER_CONTROL_MODE_HDMI);
|
||
|
|
|
||
|
|
ret = wait_for(!(HDMI_READ(VC4_HDMI_SCHEDULER_CONTROL) &
|
||
|
|
- VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE), 1);
|
||
|
|
+ VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE), 1000);
|
||
|
|
WARN_ONCE(ret, "Timeout waiting for "
|
||
|
|
"!VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE\n");
|
||
|
|
}
|