target/linux/brcm2708/patches-4.14/950-0182-drm-vc4-Add-support-for-NV21-and-NV61.patch

   1 From 4c974447d05dc0295676b2ba4554351bf77886f6 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Thu, 16 Nov 2017 14:22:31 +0000
   4 Subject: [PATCH 182/454] drm/vc4: Add support for NV21 and NV61.
   5
   6 NV12 (YUV420 2 plane) and NV16 (YUV422 2 plane) were
   7 supported, but NV21 and NV61 (same but with Cb and Cr
   8 swapped) weren't. Add them.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  11 Signed-off-by: Eric Anholt <eric@anholt.net>
  12 Reviewed-by: Eric Anholt <eric@anholt.net>
  13 Link: https://patchwork.freedesktop.org/patch/msgid/1f50799525e3401551dff2b0b2828b9ab892f75f.1510841336.git.dave.stevenson@raspberrypi.org
  14 (cherry picked from commit cb20dd170d6a7d41e0f347998771b0e0db183438)
  15 ---
  16  drivers/gpu/drm/vc4/vc4_plane.c | 10 ++++++++++
  17  1 file changed, 10 insertions(+)
  18
  19 --- a/drivers/gpu/drm/vc4/vc4_plane.c
  20 +++ b/drivers/gpu/drm/vc4/vc4_plane.c
  21 @@ -153,10 +153,20 @@ static const struct hvs_format {
  22                 .pixel_order = HVS_PIXEL_ORDER_XYCBCR,
  23         },
  24         {
  25 +               .drm = DRM_FORMAT_NV21,
  26 +               .hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE,
  27 +               .pixel_order = HVS_PIXEL_ORDER_XYCRCB,
  28 +       },
  29 +       {
  30                 .drm = DRM_FORMAT_NV16,
  31                 .hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
  32                 .pixel_order = HVS_PIXEL_ORDER_XYCBCR,
  33         },
  34 +       {
  35 +               .drm = DRM_FORMAT_NV61,
  36 +               .hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
  37 +               .pixel_order = HVS_PIXEL_ORDER_XYCRCB,
  38 +       },
  39  };
  40
  41  static const struct hvs_format *vc4_get_hvs_format(u32 drm_format)