target/linux/brcm2708/patches-4.19/950-0484-staging-bcm2835-codec-Remove-height-padding-for-ISP-.patch

   1 From 54f10f595339ee996e0ec0ac755b13a891f7ab92 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Thu, 2 May 2019 14:32:21 +0100
   4 Subject: [PATCH 484/725] staging: bcm2835-codec: Remove height padding for ISP
   5  role
   6
   7 The ISP has no need for heights to be a multiple of macroblock
   8 sizes, therefore doesn't require the align on the height.
   9 Remove it for the ISP role. (It is required for the codecs).
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  12 ---
  13  .../bcm2835-codec/bcm2835-v4l2-codec.c              | 13 ++++++++-----
  14  1 file changed, 8 insertions(+), 5 deletions(-)
  15
  16 --- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  17 +++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  18 @@ -1015,7 +1015,8 @@ static int vidioc_g_fmt_vid_cap(struct f
  19         return vidioc_g_fmt(file2ctx(file), f);
  20  }
  21
  22 -static int vidioc_try_fmt(struct v4l2_format *f, struct bcm2835_codec_fmt *fmt)
  23 +static int vidioc_try_fmt(struct bcm2835_codec_ctx *ctx, struct v4l2_format *f,
  24 +                         struct bcm2835_codec_fmt *fmt)
  25  {
  26         /*
  27          * The V4L2 specification requires the driver to correct the format
  28 @@ -1034,11 +1035,13 @@ static int vidioc_try_fmt(struct v4l2_fo
  29                         f->fmt.pix.height = MIN_H;
  30
  31                 /*
  32 -                * Buffer must have a vertical alignment of 16 lines.
  33 +                * For codecs the buffer must have a vertical alignment of 16
  34 +                * lines.
  35                  * The selection will reflect any cropping rectangle when only
  36                  * some of the pixels are active.
  37                  */
  38 -               f->fmt.pix.height = ALIGN(f->fmt.pix.height, 16);
  39 +               if (ctx->dev->role != ISP)
  40 +                       f->fmt.pix.height = ALIGN(f->fmt.pix.height, 16);
  41         }
  42         f->fmt.pix.bytesperline = get_bytesperline(f->fmt.pix.width,
  43                                                    fmt);
  44 @@ -1065,7 +1068,7 @@ static int vidioc_try_fmt_vid_cap(struct
  45                 fmt = find_format(f, ctx->dev, true);
  46         }
  47
  48 -       return vidioc_try_fmt(f, fmt);
  49 +       return vidioc_try_fmt(ctx, f, fmt);
  50  }
  51
  52  static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
  53 @@ -1084,7 +1087,7 @@ static int vidioc_try_fmt_vid_out(struct
  54         if (!f->fmt.pix.colorspace)
  55                 f->fmt.pix.colorspace = ctx->colorspace;
  56
  57 -       return vidioc_try_fmt(f, fmt);
  58 +       return vidioc_try_fmt(ctx, f, fmt);
  59  }
  60
  61  static int vidioc_s_fmt(struct bcm2835_codec_ctx *ctx, struct v4l2_format *f,