target/linux/bcm27xx/patches-4.19/950-0542-drm-vc4-Support-the-VEC-in-FKMS.patch

   1 From 82ef7a95f5ae86df811253d58d93ca4fb2cbd45a Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Fri, 24 May 2019 17:59:01 +0100
   4 Subject: [PATCH] drm/vc4: Support the VEC in FKMS
   5
   6 Extends the DPI/DSI support to also report the VEC output
   7 which supports interlacing too.
   8
   9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  10 ---
  11  drivers/gpu/drm/vc4/vc4_firmware_kms.c | 16 +++++++++++++++-
  12  1 file changed, 15 insertions(+), 1 deletion(-)
  13
  14 --- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
  15 +++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
  16 @@ -125,6 +125,7 @@ struct set_timings {
  17  #define  TIMINGS_FLAGS_H_SYNC_NEG      0
  18  #define  TIMINGS_FLAGS_V_SYNC_POS      BIT(1)
  19  #define  TIMINGS_FLAGS_V_SYNC_NEG      0
  20 +#define  TIMINGS_FLAGS_INTERLACE       BIT(2)
  21
  22  #define TIMINGS_FLAGS_ASPECT_MASK      GENMASK(7, 4)
  23  #define TIMINGS_FLAGS_ASPECT_NONE      (0 << 4)
  24 @@ -1047,6 +1048,12 @@ static int vc4_fkms_lcd_connector_get_mo
  25                         fw_mode.flags |= DRM_MODE_FLAG_PVSYNC;
  26                 else
  27                         fw_mode.flags |= DRM_MODE_FLAG_NVSYNC;
  28 +               if (mb.timings.flags & TIMINGS_FLAGS_V_SYNC_POS)
  29 +                       fw_mode.flags |= DRM_MODE_FLAG_PVSYNC;
  30 +               else
  31 +                       fw_mode.flags |= DRM_MODE_FLAG_NVSYNC;
  32 +               if (mb.timings.flags & TIMINGS_FLAGS_INTERLACE)
  33 +                       fw_mode.flags |= DRM_MODE_FLAG_INTERLACE;
  34
  35                 fw_mode.base.type = DRM_MODE_OBJECT_MODE;
  36
  37 @@ -1133,17 +1140,24 @@ vc4_fkms_connector_init(struct drm_devic
  38                                    DRM_MODE_CONNECTOR_DSI);
  39                 drm_connector_helper_add(connector,
  40                                          &vc4_fkms_lcd_conn_helper_funcs);
  41 +               connector->interlace_allowed = 0;
  42 +       } else if (fkms_connector->display_type == DRM_MODE_ENCODER_TVDAC) {
  43 +               drm_connector_init(dev, connector, &vc4_fkms_connector_funcs,
  44 +                                  DRM_MODE_CONNECTOR_Composite);
  45 +               drm_connector_helper_add(connector,
  46 +                                        &vc4_fkms_lcd_conn_helper_funcs);
  47 +               connector->interlace_allowed = 1;
  48         } else {
  49                 drm_connector_init(dev, connector, &vc4_fkms_connector_funcs,
  50                                    DRM_MODE_CONNECTOR_HDMIA);
  51                 drm_connector_helper_add(connector,
  52                                          &vc4_fkms_connector_helper_funcs);
  53 +               connector->interlace_allowed = 0;
  54         }
  55
  56         connector->polled = (DRM_CONNECTOR_POLL_CONNECT |
  57                              DRM_CONNECTOR_POLL_DISCONNECT);
  58
  59 -       connector->interlace_allowed = 0;
  60         connector->doublescan_allowed = 0;
  61
  62         drm_connector_attach_encoder(connector, encoder);