target/linux/bcm27xx/patches-5.15/950-0829-vc4_hdmi-Remove-VC4_HDMI_SCHEDULER_CONTROL_VERT_ALWA.patch

   1 From 8e294ef67e3c437e2a9f932141762dc976cf967f Mon Sep 17 00:00:00 2001
   2 From: Dom Cobley <popcornmix@gmail.com>
   3 Date: Wed, 30 Mar 2022 17:49:31 +0100
   4 Subject: [PATCH] vc4_hdmi: Remove
   5  VC4_HDMI_SCHEDULER_CONTROL_VERT_ALWAYS_KEEPOUT
   6
   7 This bit ensures data island packets are never generated when disallowed by HDCP.
   8 As no Pi boards support HDCP this is providing an unnecessary restriction
   9
  10 Signed-off-by: Dom Cobley <popcornmix@gmail.com>
  11 ---
  12  drivers/gpu/drm/vc4/vc4_hdmi.c | 3 ---
  13  1 file changed, 3 deletions(-)
  14
  15 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c
  16 +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
  17 @@ -1551,9 +1551,6 @@ static void vc4_hdmi_encoder_post_crtc_e
  18
  19                 WARN_ON(!(HDMI_READ(HDMI_SCHEDULER_CONTROL) &
  20                           VC4_HDMI_SCHEDULER_CONTROL_HDMI_ACTIVE));
  21 -               HDMI_WRITE(HDMI_SCHEDULER_CONTROL,
  22 -                          HDMI_READ(HDMI_SCHEDULER_CONTROL) |
  23 -                          VC4_HDMI_SCHEDULER_CONTROL_VERT_ALWAYS_KEEPOUT);
  24
  25                 HDMI_WRITE(HDMI_RAM_PACKET_CONFIG,
  26                            VC4_HDMI_RAM_PACKET_ENABLE);