git.openwrt.org Git - openwrt/staging/pepe2k.git/blob

   1 From 937472c7d58945412f75ad7a4f9d44c83be42ab4 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Mon, 30 Nov 2020 16:57:01 +0000
   4 Subject: [PATCH 0946/1085] drm/panel: ilitek-ili9881c: Allow configuration of
   5  the number of lanes
   6
   7 Not all panels use all 4 data lanes, so allow configuration based
   8 on the compatible string.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  11 ---
  12  drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 8 +++++++-
  13  1 file changed, 7 insertions(+), 1 deletion(-)
  14
  15 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
  16 +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
  17 @@ -45,6 +45,7 @@ struct ili9881c_desc {
  18         const size_t init_length;
  19         const struct drm_display_mode *mode;
  20         const unsigned long mode_flags;
  21 +       unsigned int lanes;
  22  };
  23
  24  struct ili9881c {
  25 @@ -1565,7 +1566,7 @@ static int ili9881c_dsi_probe(struct mip
  26
  27         dsi->mode_flags = ctx->desc->mode_flags;
  28         dsi->format = MIPI_DSI_FMT_RGB888;
  29 -       dsi->lanes = 4;
  30 +       dsi->lanes = ctx->desc->lanes;
  31
  32         ret = mipi_dsi_attach(dsi);
  33         if (ret)
  34 @@ -1587,6 +1588,7 @@ static const struct ili9881c_desc lhr050
  35         .init_length = ARRAY_SIZE(lhr050h41_init),
  36         .mode = &lhr050h41_default_mode,
  37         .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
  38 +       .lanes = 4,
  39  };
  40
  41  static const struct ili9881c_desc k101_im2byl02_desc = {
  42 @@ -1594,6 +1596,7 @@ static const struct ili9881c_desc k101_i
  43         .init_length = ARRAY_SIZE(k101_im2byl02_init),
  44         .mode = &k101_im2byl02_default_mode,
  45         .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
  46 +       .lanes = 4,
  47  };
  48
  49  static const struct ili9881c_desc nwe080_desc = {
  50 @@ -1601,6 +1604,7 @@ static const struct ili9881c_desc nwe080
  51         .init_length = ARRAY_SIZE(nwe080_init),
  52         .mode = &nwe080_default_mode,
  53         .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO,
  54 +       .lanes = 4,
  55  };
  56
  57  static const struct ili9881c_desc tl050hdv35_desc = {
  58 @@ -1617,6 +1621,7 @@ static const struct ili9881c_desc w55294
  59         .mode = &w552946aba_default_mode,
  60         .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
  61                       MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
  62 +       .lanes = 4,
  63  };
  64
  65  static const struct ili9881c_desc cfaf7201280a0_050tx_desc = {
  66 @@ -1624,6 +1629,7 @@ static const struct ili9881c_desc cfaf72
  67         .init_length = ARRAY_SIZE(cfaf7201280a0_050tx_init),
  68         .mode = &cfaf7201280a0_050tx_default_mode,
  69         .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO,
  70 +       .lanes = 4,
  71  };
  72
  73  static const struct of_device_id ili9881c_of_match[] = {