target/linux/bcm27xx/patches-5.4/950-0266-drm-vc4-In-FKMS-look-at-the-modifiers-correctly-for-.patch

   1 From aa6061c2db8adbe0e75890cfc6f56b800b9995df Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Wed, 12 Jun 2019 17:13:21 +0100
   4 Subject: [PATCH] drm/vc4: In FKMS look at the modifiers correctly for
   5  SAND
   6
   7 Incorrect masking was used in the switch for the modifier,
   8 therefore for SAND (which puts the column pitch in the
   9 modifier) it didn't match.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  12 ---
  13  drivers/gpu/drm/vc4/vc4_firmware_kms.c | 5 ++++-
  14  1 file changed, 4 insertions(+), 1 deletion(-)
  15
  16 --- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
  17 +++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
  18 @@ -462,7 +462,7 @@ static void vc4_plane_atomic_update(stru
  19         }
  20         mb->plane.planes[3] = 0;
  21
  22 -       switch (fb->modifier) {
  23 +       switch (fourcc_mod_broadcom_mod(fb->modifier)) {
  24         case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED:
  25                 switch (mb->plane.vc_image_type) {
  26                 case VC_IMAGE_XRGB8888:
  27 @@ -478,6 +478,9 @@ static void vc4_plane_atomic_update(stru
  28                 break;
  29         case DRM_FORMAT_MOD_BROADCOM_SAND128:
  30                 mb->plane.vc_image_type = VC_IMAGE_YUV_UV;
  31 +               /* Note that the column pitch is passed across in lines, not
  32 +                * bytes.
  33 +                */
  34                 mb->plane.pitch = fourcc_mod_broadcom_param(fb->modifier);
  35                 break;
  36         }