Blob Blame History Raw
From 11eca03827ca9b75a5b64d1ab1d9f36083f48313 Mon Sep 17 00:00:00 2001
From: Dom Cobley <popcornmix@gmail.com>
Date: Mon, 13 Jun 2022 16:47:53 +0200
Subject: drm/vc4: hdmi: Remove VC4_HDMI_SCHEDULER_CONTROL_VERT_ALWAYS_KEEPOUT
Git-commit: 125076c8754ee6bb7419134cf3c6b56144217685
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849

This bit ensures data island packets are never generated when disallowed
by HDCP. As no Pi boards support HDCP this is providing an unnecessary
restriction

Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Link: https://lore.kernel.org/r/20220613144800.326124-27-maxime@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 3c50ee8c2d30..ceb2b09216c6 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1348,9 +1348,6 @@ static void vc4_hdmi_encoder_post_crtc_enable(struct drm_encoder *encoder,
 
 		WARN_ON(!(HDMI_READ(HDMI_SCHEDULER_CONTROL) &
 			  VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE));
-		HDMI_WRITE(HDMI_SCHEDULER_CONTROL,
-			   HDMI_READ(HDMI_SCHEDULER_CONTROL) |
-			   VC4_HDMI_SCHEDULER_CONTROL_VERT_ALWAYS_KEEPOUT);
 
 		HDMI_WRITE(HDMI_RAM_PACKET_CONFIG,
 			   VC4_HDMI_RAM_PACKET_ENABLE);
-- 
2.38.1