drivers/gpu/drm/aspeed/aspeed_gfx_out.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 // Copyright 2018 IBM Corporation
   3
   4 #include <drm/drm_atomic_helper.h>
   5 #include <drm/drm_connector.h>
   6 #include <drm/drm_crtc_helper.h>
   7 #include <drm/drm_edid.h>
   8 #include <drm/drm_probe_helper.h>
   9
  10 #include "aspeed_gfx.h"
  11
  12 static int aspeed_gfx_get_modes(struct drm_connector *connector)
  13 {
  14         return drm_add_modes_noedid(connector, 800, 600);
  15 }
  16
  17 static const struct
  18 drm_connector_helper_funcs aspeed_gfx_connector_helper_funcs = {
  19         .get_modes = aspeed_gfx_get_modes,
  20 };
  21
  22 static const struct drm_connector_funcs aspeed_gfx_connector_funcs = {
  23         .fill_modes             = drm_helper_probe_single_connector_modes,
  24         .destroy                = drm_connector_cleanup,
  25         .reset                  = drm_atomic_helper_connector_reset,
  26         .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
  27         .atomic_destroy_state   = drm_atomic_helper_connector_destroy_state,
  28 };
  29
  30 int aspeed_gfx_create_output(struct drm_device *drm)
  31 {
  32         struct aspeed_gfx *priv = to_aspeed_gfx(drm);
  33         int ret;
  34
  35         priv->connector.dpms = DRM_MODE_DPMS_OFF;
  36         priv->connector.polled = 0;
  37         drm_connector_helper_add(&priv->connector,
  38                                  &aspeed_gfx_connector_helper_funcs);
  39         ret = drm_connector_init(drm, &priv->connector,
  40                                  &aspeed_gfx_connector_funcs,
  41                                  DRM_MODE_CONNECTOR_Unknown);
  42         return ret;
  43 }