target/linux/brcm2708/patches-4.4/0440-drm-vc4-Fix-flipped-HVS-channels-for-DSI0-1.patch

   1 From 3ecee79bedf0a2dbca94281674b7a86f3b82f522 Mon Sep 17 00:00:00 2001
   2 From: Eric Anholt <eric@anholt.net>
   3 Date: Thu, 11 Feb 2016 12:29:45 -0800
   4 Subject: [PATCH] drm/vc4: Fix flipped HVS channels for DSI0/1.
   5
   6 Empirically, DSI1 appears to be using HVS channel 0 on my Pi2.
   7
   8 Signed-off-by: Eric Anholt <eric@anholt.net>
   9 ---
  10  drivers/gpu/drm/vc4/vc4_crtc.c | 4 ++--
  11  1 file changed, 2 insertions(+), 2 deletions(-)
  12
  13 --- a/drivers/gpu/drm/vc4/vc4_crtc.c
  14 +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
  15 @@ -699,13 +699,13 @@ void vc4_cancel_page_flip(struct drm_crt
  16  }
  17
  18  static const struct vc4_crtc_data pv0_data = {
  19 -       .hvs_channel = 0,
  20 +       .hvs_channel = 2,
  21         .encoder0_type = VC4_ENCODER_TYPE_DSI0,
  22         .encoder1_type = VC4_ENCODER_TYPE_DPI,
  23  };
  24
  25  static const struct vc4_crtc_data pv1_data = {
  26 -       .hvs_channel = 2,
  27 +       .hvs_channel = 0,
  28         .encoder0_type = VC4_ENCODER_TYPE_DSI1,
  29         .encoder1_type = VC4_ENCODER_TYPE_SMI,
  30  };