From: Eric Anholt Date: Thu, 29 Sep 2016 00:21:05 +0000 (-0700) Subject: drm/vc4: Increase timeout for HDMI_SCHEDULER_CONTROL changes. X-Git-Tag: v4.9-rc1~41^2~4^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2b29bf16611a1aabb310406dd171dce6e6d51322;p=karo-tx-linux.git 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 --- diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 1e61931846d3..fe1c4e35e681 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -424,7 +424,7 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder) 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 { @@ -436,7 +436,7 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder) ~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"); }