static void
init_crtc_rotations (MetaMonitorManager *manager,
                     MetaCRTC           *crtc,
                     unsigned int        idx)
{
  MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
  drmModeObjectPropertiesPtr props;
  drmModePlaneRes *planes;
  drmModePlane *drm_plane;
  MetaCRTCKms *crtc_kms;
  unsigned int i;

  crtc_kms = crtc->driver_private;

  planes = drmModeGetPlaneResources(manager_kms->fd);
  if (planes == NULL)
    return;

  for (i = 0; i < planes->count_planes; i++)
    {
      drmModePropertyPtr prop;

      drm_plane = drmModeGetPlane (manager_kms->fd, planes->planes[i]);

      if (!drm_plane)
        continue;

      if ((drm_plane->possible_crtcs & (1 << idx)))
        {
          props = drmModeObjectGetProperties (manager_kms->fd,
                                              drm_plane->plane_id,
                                              DRM_MODE_OBJECT_PLANE);

          if (props && is_primary_plane (manager, props))
            {
              int rotation_idx;

              crtc_kms->primary_plane_id = drm_plane->plane_id;
              rotation_idx = find_property_index (manager, props, "rotation", &prop);

              if (rotation_idx >= 0)
                {
                  crtc_kms->rotation_prop_id = props->props[rotation_idx];
                  parse_transforms (manager, prop, crtc);
                  drmModeFreeProperty (prop);
                }
            }

          if (props)
            drmModeFreeObjectProperties (props);
        }

      drmModeFreePlane (drm_plane);
    }

  drmModeFreePlaneResources (planes);
}
Exemple #2
0
/* Pick a plane.. something that at a minimum can be connected to
 * the chosen crtc, but prefer primary plane.
 *
 * Seems like there is some room for a drmModeObjectGetNamedProperty()
 * type helper in libdrm..
 */
static int get_plane_id(void)
{
	drmModePlaneResPtr plane_resources;
	uint32_t i, j;
	int ret = -EINVAL;
	int found_primary = 0;

	plane_resources = drmModeGetPlaneResources(drm.fd);
	if (!plane_resources) {
		printf("drmModeGetPlaneResources failed: %s\n", strerror(errno));
		return -1;
	}

	for (i = 0; (i < plane_resources->count_planes) && !found_primary; i++) {
		uint32_t id = plane_resources->planes[i];
		drmModePlanePtr plane = drmModeGetPlane(drm.fd, id);
		if (!plane) {
			printf("drmModeGetPlane(%u) failed: %s\n", id, strerror(errno));
			continue;
		}

		if (plane->possible_crtcs & (1 << drm.crtc_index)) {
			drmModeObjectPropertiesPtr props =
				drmModeObjectGetProperties(drm.fd, id, DRM_MODE_OBJECT_PLANE);

			/* primary or not, this plane is good enough to use: */
			ret = id;

			for (j = 0; j < props->count_props; j++) {
				drmModePropertyPtr p =
					drmModeGetProperty(drm.fd, props->props[j]);

				if ((strcmp(p->name, "type") == 0) &&
						(props->prop_values[j] == DRM_PLANE_TYPE_PRIMARY)) {
					/* found our primary plane, lets use that: */
					found_primary = 1;
				}

				drmModeFreeProperty(p);
			}

			drmModeFreeObjectProperties(props);
		}

		drmModeFreePlane(plane);
	}

	drmModeFreePlaneResources(plane_resources);

	return ret;
}
int drm_get_overlay_plane(int drm_fd, int crtc_pipe, uint32_t format,
                          uint32_t *plane_id)
{
    drmModePlaneRes *res;
    drmModePlane *p;
    uint32_t id = 0;
    int i, j;

    if (drmSetClientCap(drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1)) {
        ErrorMsg("Failed to set universal planes CAP\n");
        goto err;
    }

    res = drmModeGetPlaneResources(drm_fd);
    if (!res)
        goto err;

    for (i = 0; i < res->count_planes && !id; i++) {
        p = drmModeGetPlane(drm_fd, res->planes[i]);
        if (!p)
            continue;

        if (!p->crtc_id && (p->possible_crtcs & (1 << crtc_pipe))) {
            if (drm_plane_type(drm_fd, p->plane_id) == DRM_PLANE_TYPE_OVERLAY) {
                for (j = 0; j < p->count_formats; j++) {
                    if (p->formats[j] == format) {
                        id = p->plane_id;
                        break;
                    }
                }
            }
        }

        drmModeFreePlane(p);
    }

    drmModeFreePlaneResources(res);

    if (!id)
        goto err;

    *plane_id = id;

    return 0;

err:
    ErrorMsg("Failed to get overlay plane\n");

    return -EFAULT;
}
static int find_plane(int drmfd, struct setup *s)
{
	drmModePlaneResPtr planes;
	drmModePlanePtr plane;
	unsigned int i;
	unsigned int j;
	int ret = 0;

	planes = drmModeGetPlaneResources(drmfd);
	if (WARN_ON(!planes, "drmModeGetPlaneResources failed: %s\n", ERRSTR))
		return -1;

	for (i = 0; i < planes->count_planes; ++i) {
		plane = drmModeGetPlane(drmfd, planes->planes[i]);
		if (WARN_ON(!planes, "drmModeGetPlane failed: %s\n", ERRSTR))
			break;

		if (!(plane->possible_crtcs & (1 << s->crtIdx))) {
			drmModeFreePlane(plane);
			continue;
		}

		for (j = 0; j < plane->count_formats; ++j) {
			if (plane->formats[j] == s->out_fourcc)
				break;
		}

		if (j == plane->count_formats) {
			drmModeFreePlane(plane);
			continue;
		}

		s->planeId = plane->plane_id;
		drmModeFreePlane(plane);
		break;
	}

	if (i == planes->count_planes)
		ret = -1;

	drmModeFreePlaneResources(planes);
	return ret;
}
int DrmResources::Init() {
    char path[PROPERTY_VALUE_MAX];
    property_get("hwc.drm.device", path, "/dev/dri/card0");

    /* TODO: Use drmOpenControl here instead */
    fd_ = open(path, O_RDWR);
    if (fd_ < 0) {
        ALOGE("Failed to open dri- %s", strerror(-errno));
        return -ENODEV;
    }

    int ret = drmSetClientCap(fd_, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
    if (ret) {
        ALOGE("Failed to set universal plane cap %d", ret);
        return ret;
    }

    ret = drmSetClientCap(fd_, DRM_CLIENT_CAP_ATOMIC, 1);
    if (ret) {
        ALOGE("Failed to set atomic cap %d", ret);
        return ret;
    }

    drmModeResPtr res = drmModeGetResources(fd_);
    if (!res) {
        ALOGE("Failed to get DrmResources resources");
        return -ENODEV;
    }

    bool found_primary = false;
    int display_num = 1;

    for (int i = 0; !ret && i < res->count_crtcs; ++i) {
        drmModeCrtcPtr c = drmModeGetCrtc(fd_, res->crtcs[i]);
        if (!c) {
            ALOGE("Failed to get crtc %d", res->crtcs[i]);
            ret = -ENODEV;
            break;
        }

        DrmCrtc *crtc = new DrmCrtc(this, c, i);

        drmModeFreeCrtc(c);

        if (!crtc) {
            ALOGE("Failed to allocate crtc %d", res->crtcs[i]);
            ret = -ENOMEM;
            break;
        }

        ret = crtc->Init();
        if (ret) {
            ALOGE("Failed to initialize crtc %d", res->crtcs[i]);
            delete crtc;
            break;
        }
        crtcs_.push_back(crtc);
    }

    for (int i = 0; !ret && i < res->count_encoders; ++i) {
        drmModeEncoderPtr e = drmModeGetEncoder(fd_, res->encoders[i]);
        if (!e) {
            ALOGE("Failed to get encoder %d", res->encoders[i]);
            ret = -ENODEV;
            break;
        }

        std::vector<DrmCrtc *> possible_crtcs;
        DrmCrtc *current_crtc = NULL;
        for (std::vector<DrmCrtc *>::const_iterator iter = crtcs_.begin();
                iter != crtcs_.end(); ++iter) {
            if ((1 << (*iter)->pipe()) & e->possible_crtcs)
                possible_crtcs.push_back(*iter);

            if ((*iter)->id() == e->crtc_id)
                current_crtc = (*iter);
        }

        DrmEncoder *enc = new DrmEncoder(e, current_crtc, possible_crtcs);

        drmModeFreeEncoder(e);

        if (!enc) {
            ALOGE("Failed to allocate enc %d", res->encoders[i]);
            ret = -ENOMEM;
            break;
        }
        encoders_.push_back(enc);
    }

    for (int i = 0; !ret && i < res->count_connectors; ++i) {
        drmModeConnectorPtr c = drmModeGetConnector(fd_, res->connectors[i]);
        if (!c) {
            ALOGE("Failed to get connector %d", res->connectors[i]);
            ret = -ENODEV;
            break;
        }

        std::vector<DrmEncoder *> possible_encoders;
        DrmEncoder *current_encoder = NULL;
        for (int j = 0; j < c->count_encoders; ++j) {
            for (std::vector<DrmEncoder *>::const_iterator iter = encoders_.begin();
                    iter != encoders_.end(); ++iter) {
                if ((*iter)->id() == c->encoders[j])
                    possible_encoders.push_back((*iter));
                if ((*iter)->id() == c->encoder_id)
                    current_encoder = *iter;
            }
        }

        DrmConnector *conn =
            new DrmConnector(this, c, current_encoder, possible_encoders);

        drmModeFreeConnector(c);

        if (!conn) {
            ALOGE("Failed to allocate conn %d", res->connectors[i]);
            ret = -ENOMEM;
            break;
        }

        ret = conn->Init();
        if (ret) {
            ALOGE("Init connector %d failed", res->connectors[i]);
            delete conn;
            break;
        }
        connectors_.push_back(conn);

        if (conn->built_in() && !found_primary) {
            conn->set_display(0);
            found_primary = true;
        } else {
            conn->set_display(display_num);
            ++display_num;
        }
    }
    if (res)
        drmModeFreeResources(res);

    // Catch-all for the above loops
    if (ret)
        return ret;

    drmModePlaneResPtr plane_res = drmModeGetPlaneResources(fd_);
    if (!plane_res) {
        ALOGE("Failed to get plane resources");
        return -ENOENT;
    }

    for (uint32_t i = 0; i < plane_res->count_planes; ++i) {
        drmModePlanePtr p = drmModeGetPlane(fd_, plane_res->planes[i]);
        if (!p) {
            ALOGE("Failed to get plane %d", plane_res->planes[i]);
            ret = -ENODEV;
            break;
        }

        DrmPlane *plane = new DrmPlane(this, p);

        drmModeFreePlane(p);

        if (!plane) {
            ALOGE("Allocate plane %d failed", plane_res->planes[i]);
            ret = -ENOMEM;
            break;
        }

        ret = plane->Init();
        if (ret) {
            ALOGE("Init plane %d failed", plane_res->planes[i]);
            delete plane;
            break;
        }

        planes_.push_back(plane);
    }
    drmModeFreePlaneResources(plane_res);
    if (ret)
        return ret;

    return compositor_.Init();
}
Exemple #6
0
bool CDRMUtils::GetPlanes()
{
  drmModePlaneResPtr plane_resources;
  uint32_t primary_plane_id = 0;
  uint32_t overlay_plane_id = 0;
  uint32_t fourcc = 0;

  plane_resources = drmModeGetPlaneResources(m_fd);
  if (!plane_resources)
  {
    CLog::Log(LOGERROR, "CDRMUtils::%s - drmModeGetPlaneResources failed: %s", __FUNCTION__, strerror(errno));
    return false;
  }

  for (uint32_t i = 0; i < plane_resources->count_planes; i++)
  {
    uint32_t id = plane_resources->planes[i];
    drmModePlanePtr plane = drmModeGetPlane(m_fd, id);
    if (!plane)
    {
      CLog::Log(LOGERROR, "CDRMUtils::%s - drmModeGetPlane(%u) failed: %s", __FUNCTION__, id, strerror(errno));
      continue;
    }

    if (plane->possible_crtcs & (1 << m_crtc_index))
    {
      drmModeObjectPropertiesPtr props = drmModeObjectGetProperties(m_fd, id, DRM_MODE_OBJECT_PLANE);

      for (uint32_t j = 0; j < props->count_props; j++)
      {
        drmModePropertyPtr p = drmModeGetProperty(m_fd, props->props[j]);

        if ((strcmp(p->name, "type") == 0) && (props->prop_values[j] == DRM_PLANE_TYPE_PRIMARY) && (primary_plane_id == 0))
        {
          CLog::Log(LOGDEBUG, "CDRMUtils::%s - found primary plane: %u", __FUNCTION__, id);
          primary_plane_id = id;
        }
        else if ((strcmp(p->name, "type") == 0) && (props->prop_values[j] == DRM_PLANE_TYPE_OVERLAY) && (overlay_plane_id == 0))
        {
          CLog::Log(LOGDEBUG, "CDRMUtils::%s - found overlay plane: %u", __FUNCTION__, id);
          overlay_plane_id = id;
        }

        drmModeFreeProperty(p);
      }

      drmModeFreeObjectProperties(props);
    }

    drmModeFreePlane(plane);
  }

  drmModeFreePlaneResources(plane_resources);

  // primary plane
  m_primary_plane->plane = drmModeGetPlane(m_fd, primary_plane_id);
  if (!m_primary_plane->plane)
  {
    CLog::Log(LOGERROR, "CDRMUtils::%s - could not get primary plane %u: %s", __FUNCTION__, primary_plane_id, strerror(errno));
    return false;
  }

  if (!GetProperties(m_fd, primary_plane_id, DRM_MODE_OBJECT_PLANE, m_primary_plane))
  {
    CLog::Log(LOGERROR, "CDRMUtils::%s - could not get primary plane %u properties: %s", __FUNCTION__, primary_plane_id, strerror(errno));
    return false;
  }

  for (uint32_t i = 0; i < m_primary_plane->plane->count_formats; i++)
  {
    /* we want an alpha layer so break if we find one */
    if (m_primary_plane->plane->formats[i] == DRM_FORMAT_XRGB8888)
    {
      fourcc = DRM_FORMAT_XRGB8888;
      m_primary_plane->format = fourcc;
    }
    else if (m_primary_plane->plane->formats[i] == DRM_FORMAT_ARGB8888)
    {
      fourcc = DRM_FORMAT_ARGB8888;
      m_primary_plane->format = fourcc;
      break;
    }
  }

  if (fourcc == 0)
  {
    CLog::Log(LOGERROR, "CDRMUtils::%s - could not find a suitable primary plane format", __FUNCTION__);
    return false;
  }

  CLog::Log(LOGDEBUG, "CDRMUtils::%s - primary plane format: %c%c%c%c", __FUNCTION__, fourcc, fourcc >> 8, fourcc >> 16, fourcc >> 24);

  if (overlay_plane_id != 0)
  {
    // overlay plane
    m_overlay_plane->plane = drmModeGetPlane(m_fd, overlay_plane_id);
    if (!m_overlay_plane->plane)
    {
      CLog::Log(LOGERROR, "CDRMUtils::%s - could not get overlay plane %u: %s", __FUNCTION__, overlay_plane_id, strerror(errno));
      return false;
    }

    if (!GetProperties(m_fd, overlay_plane_id, DRM_MODE_OBJECT_PLANE, m_overlay_plane))
    {
      CLog::Log(LOGERROR, "CDRMUtils::%s - could not get overlay plane %u properties: %s", __FUNCTION__, overlay_plane_id, strerror(errno));
      return false;
    }

    fourcc = 0;

    for (uint32_t i = 0; i < m_overlay_plane->plane->count_formats; i++)
    {
      /* we want an alpha layer so break if we find one */
      if (m_overlay_plane->plane->formats[i] == DRM_FORMAT_XRGB8888)
      {
        fourcc = DRM_FORMAT_XRGB8888;
        m_overlay_plane->format = fourcc;
      }
      else if(m_overlay_plane->plane->formats[i] == DRM_FORMAT_ARGB8888)
      {
        fourcc = DRM_FORMAT_ARGB8888;
        m_overlay_plane->format = fourcc;
        break;
      }
    }

    if (fourcc == 0)
    {
      CLog::Log(LOGERROR, "CDRMUtils::%s - could not find a suitable overlay plane format", __FUNCTION__);
      return false;
    }

    CLog::Log(LOGDEBUG, "CDRMUtils::%s - overlay plane format: %c%c%c%c", __FUNCTION__, fourcc, fourcc >> 8, fourcc >> 16, fourcc >> 24);
  }
Exemple #7
0
struct drm_atomic_context *drm_atomic_create_context(struct mp_log *log, int fd, int crtc_id,
                                                     int connector_id, int osd_plane_id, int video_plane_id)
{
    drmModePlaneRes *plane_res = NULL;
    drmModeRes *res = NULL;
    struct drm_object *plane = NULL;
    struct drm_atomic_context *ctx;
    int crtc_index = -1;
    int layercount = -1;
    int primary_id = 0;
    int overlay_id = 0;

    uint64_t value;

    res = drmModeGetResources(fd);
    if (!res) {
        mp_err(log, "Cannot retrieve DRM resources: %s\n", mp_strerror(errno));
        goto fail;
    }

    plane_res = drmModeGetPlaneResources(fd);
    if (!plane_res) {
        mp_err(log, "Cannot retrieve plane ressources: %s\n", mp_strerror(errno));
        goto fail;
    }

    ctx = talloc_zero(NULL, struct drm_atomic_context);
    if (!ctx) {
        mp_err(log, "Out of memory\n");
        goto fail;
    }

    ctx->fd = fd;
    ctx->crtc = drm_object_create(log, ctx->fd, crtc_id, DRM_MODE_OBJECT_CRTC);
    if (!ctx->crtc) {
        mp_err(log, "Failed to create CRTC object\n");
        goto fail;
    }

    for (int i = 0; i < res->count_crtcs; i++) {
        if (res->crtcs[i] == crtc_id) {
            crtc_index = i;
            break;
        }
    }

    for (int i = 0; i < res->count_connectors; i++) {
        drmModeConnector *connector = drmModeGetConnector(fd, res->connectors[i]);
        if (connector) {
            if (connector->connector_id == connector_id)
                ctx->connector =  drm_object_create(log, ctx->fd, connector->connector_id,
                                                    DRM_MODE_OBJECT_CONNECTOR);

            drmModeFreeConnector(connector);
            if (ctx->connector)
                break;
        }
    }

    for (unsigned int j = 0; j < plane_res->count_planes; j++) {

        drmModePlane *drmplane = drmModeGetPlane(ctx->fd, plane_res->planes[j]);
        const uint32_t possible_crtcs = drmplane->possible_crtcs;
        const uint32_t plane_id = drmplane->plane_id;
        drmModeFreePlane(drmplane);
        drmplane = NULL;

        if (possible_crtcs & (1 << crtc_index)) {
            plane = drm_object_create(log, ctx->fd, plane_id,
                                      DRM_MODE_OBJECT_PLANE);

            if (!plane) {
                mp_err(log, "Failed to create Plane object from plane ID %d\n",
                       plane_id);
                goto fail;
            }

            if (drm_object_get_property(plane, "TYPE", &value) == -EINVAL) {
                mp_err(log, "Unable to retrieve type property from plane %d\n", j);
                goto fail;
            }

            if (value != DRM_PLANE_TYPE_CURSOR) { // Skip cursor planes
                layercount++;

                if ((!primary_id) && (value == DRM_PLANE_TYPE_PRIMARY))
                    primary_id = plane_id;

                if ((!overlay_id) && (value == DRM_PLANE_TYPE_OVERLAY))
                    overlay_id = plane_id;

                if (layercount == osd_plane_id) {
                    ctx->osd_plane = plane;
                    continue;
                }

                if (layercount == video_plane_id) {
                    ctx->video_plane = plane;
                    continue;
                }
            }

            drm_object_free(plane);
            plane = NULL;
        }
    }

    // default OSD plane to primary if unspecified
    if (!ctx->osd_plane) {
        if (primary_id) {
            mp_verbose(log, "Using default plane %d for OSD\n", primary_id);
            ctx->osd_plane = drm_object_create(log, ctx->fd, primary_id, DRM_MODE_OBJECT_PLANE);
        } else {
            mp_err(log, "Failed to find OSD plane with id=%d\n", osd_plane_id);
            goto fail;
        }
    } else {
        mp_verbose(log, "Found OSD plane with ID %d\n", ctx->osd_plane->id);
    }

    // default video plane to overlay if unspecified
    if (!ctx->video_plane) {
        if (overlay_id) {
            mp_verbose(log, "Using default plane %d for video\n", overlay_id);
            ctx->video_plane = drm_object_create(log, ctx->fd, overlay_id, DRM_MODE_OBJECT_PLANE);
        } else {
            mp_verbose(log, "Failed to find video plane with id=%d. drmprime-drm hwdec interop will not work\n", video_plane_id);
        }
    } else {
        mp_verbose(log, "Found video plane with ID %d\n", ctx->video_plane->id);
    }

    drmModeFreePlaneResources(plane_res);
    drmModeFreeResources(res);
    return ctx;

fail:
    if (res)
        drmModeFreeResources(res);
    if (plane_res)
        drmModeFreePlaneResources(plane_res);
    if (plane)
        drm_object_free(plane);
    return NULL;
}
static gboolean
gst_kms_sink_start (GstBaseSink * bsink)
{
  GstKMSSink *self;
  drmModeRes *res;
  drmModeConnector *conn;
  drmModeCrtc *crtc;
  drmModePlaneRes *pres;
  drmModePlane *plane;
  gboolean universal_planes;
  gboolean ret;

  self = GST_KMS_SINK (bsink);
  universal_planes = FALSE;
  ret = FALSE;
  res = NULL;
  conn = NULL;
  crtc = NULL;
  pres = NULL;
  plane = NULL;

  if (self->devname)
    self->fd = drmOpen (self->devname, NULL);
  else
    self->fd = kms_open (&self->devname);
  if (self->fd < 0)
    goto open_failed;

  log_drm_version (self);
  if (!get_drm_caps (self))
    goto bail;

  res = drmModeGetResources (self->fd);
  if (!res)
    goto resources_failed;

  if (self->conn_id == -1)
    conn = find_main_monitor (self->fd, res);
  else
    conn = drmModeGetConnector (self->fd, self->conn_id);
  if (!conn)
    goto connector_failed;

  crtc = find_crtc_for_connector (self->fd, res, conn, &self->pipe);
  if (!crtc)
    goto crtc_failed;

retry_find_plane:
  if (universal_planes &&
      drmSetClientCap (self->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1))
    goto set_cap_failed;

  pres = drmModeGetPlaneResources (self->fd);
  if (!pres)
    goto plane_resources_failed;

  if (self->plane_id == -1)
    plane = find_plane_for_crtc (self->fd, res, pres, crtc->crtc_id);
  else
    plane = drmModeGetPlane (self->fd, self->plane_id);
  if (!plane)
    goto plane_failed;

  /* let's get the available color formats in plane */
  if (!ensure_allowed_caps (self, plane, res))
    goto bail;

  self->conn_id = conn->connector_id;
  self->crtc_id = crtc->crtc_id;
  self->plane_id = plane->plane_id;

  GST_INFO_OBJECT (self, "connector id = %d / crtc id = %d / plane id = %d",
      self->conn_id, self->crtc_id, self->plane_id);

  self->hdisplay = crtc->mode.hdisplay;
  self->vdisplay = crtc->mode.vdisplay;
  self->buffer_id = crtc->buffer_id;

  self->mm_width = conn->mmWidth;
  self->mm_height = conn->mmHeight;

  GST_INFO_OBJECT (self, "display size: pixels = %dx%d / millimeters = %dx%d",
      self->hdisplay, self->vdisplay, self->mm_width, self->mm_height);

  self->pollfd.fd = self->fd;
  gst_poll_add_fd (self->poll, &self->pollfd);
  gst_poll_fd_ctl_read (self->poll, &self->pollfd, TRUE);

  ret = TRUE;

bail:
  if (plane)
    drmModeFreePlane (plane);
  if (pres)
    drmModeFreePlaneResources (pres);
  if (crtc)
    drmModeFreeCrtc (crtc);
  if (conn)
    drmModeFreeConnector (conn);
  if (res)
    drmModeFreeResources (res);

  if (!ret && self->fd >= 0) {
    drmClose (self->fd);
    self->fd = -1;
  }

  return ret;

  /* ERRORS */
open_failed:
  {
    GST_ERROR_OBJECT (self, "Could not open DRM module %s: %s",
        GST_STR_NULL (self->devname), strerror (errno));
    return FALSE;
  }

resources_failed:
  {
    GST_ERROR_OBJECT (self, "drmModeGetResources failed: %s (%d)",
        strerror (errno), errno);
    goto bail;
  }

connector_failed:
  {
    GST_ERROR_OBJECT (self, "Could not find a valid monitor connector");
    goto bail;
  }

crtc_failed:
  {
    GST_ERROR_OBJECT (self, "Could not find a crtc for connector");
    goto bail;
  }

set_cap_failed:
  {
    GST_ERROR_OBJECT (self, "Could not set universal planes capability bit");
    goto bail;
  }

plane_resources_failed:
  {
    GST_ERROR_OBJECT (self, "drmModeGetPlaneResources failed: %s (%d)",
        strerror (errno), errno);
    goto bail;
  }

plane_failed:
  {
    if (universal_planes) {
      GST_ERROR_OBJECT (self, "Could not find a plane for crtc");
      goto bail;
    } else {
      universal_planes = TRUE;
      goto retry_find_plane;
    }
  }
}
static void atomic_setup(struct kms_atomic_state *state)
{
	struct kms_atomic_desc *desc = state->desc;
	drmModeResPtr res;
	drmModePlaneResPtr res_plane;
	int i;

	desc->fd = drm_open_driver_master(DRIVER_INTEL);
	igt_assert_fd(desc->fd);

	do_or_die(drmSetClientCap(desc->fd, DRM_CLIENT_CAP_ATOMIC, 1));

	res = drmModeGetResources(desc->fd);
	res_plane = drmModeGetPlaneResources(desc->fd);
	igt_assert(res);
	igt_assert(res_plane);

	igt_assert_lt(0, res->count_crtcs);
	state->num_crtcs = res->count_crtcs;
	state->crtcs = calloc(state->num_crtcs, sizeof(*state->crtcs));
	igt_assert(state->crtcs);

	igt_assert_lt(0, res_plane->count_planes);
	state->num_planes = res_plane->count_planes;
	state->planes = calloc(state->num_planes, sizeof(*state->planes));
	igt_assert(state->planes);

	igt_assert_lt(0, res->count_connectors);
	state->num_connectors = res->count_connectors;
	state->connectors = calloc(state->num_connectors,
				   sizeof(*state->connectors));
	igt_assert(state->connectors);

	fill_obj_props(desc->fd, res->crtcs[0],
		       DRM_MODE_OBJECT_CRTC, NUM_CRTC_PROPS,
		       crtc_prop_names, desc->props_crtc);

	fill_obj_props(desc->fd, res_plane->planes[0],
		       DRM_MODE_OBJECT_PLANE, NUM_PLANE_PROPS,
		       plane_prop_names, desc->props_plane);
	fill_obj_prop_map(desc->fd, res_plane->planes[0],
			  DRM_MODE_OBJECT_PLANE, "type",
			  NUM_PLANE_TYPE_PROPS, plane_type_prop_names,
			  desc->props_plane_type);

	fill_obj_props(desc->fd, res->connectors[0],
		       DRM_MODE_OBJECT_CONNECTOR, NUM_CONNECTOR_PROPS,
		       connector_prop_names, desc->props_connector);

	for (i = 0; i < state->num_crtcs; i++) {
		struct kms_atomic_crtc_state *crtc = &state->crtcs[i];

		crtc->state = state;
		crtc->obj = res->crtcs[i];
		crtc->idx = i;
		crtc_get_current_state(crtc);

		/* The blob pointed to by MODE_ID could well be transient,
		 * and lose its last reference as we switch away from it.
		 * Duplicate the blob here so we have a reference we know we
		 * own. */
		if (crtc->mode.id != 0)
		    crtc->mode.id = blob_duplicate(desc->fd, crtc->mode.id);
	}

	for (i = 0; i < state->num_planes; i++) {
		drmModePlanePtr plane =
			drmModeGetPlane(desc->fd, res_plane->planes[i]);
		igt_assert(plane);

		state->planes[i].state = state;
		state->planes[i].obj = res_plane->planes[i];
		state->planes[i].crtc_mask = plane->possible_crtcs;
		plane_get_current_state(&state->planes[i]);
	}

	for (i = 0; i < state->num_connectors; i++) {
		state->connectors[i].state = state;
		state->connectors[i].obj = res->connectors[i];
		connector_get_current_state(&state->connectors[i]);
	}

	drmModeFreePlaneResources(res_plane);
	drmModeFreeResources(res);
}
int
gralloc_kms_planes_init(struct gralloc_drm_t *drm)
{
	drmModeResPtr resources;
	drmModePlaneResPtr planes;
	int i, order;

	/* What else than the ordering in the main resources would reliably
	   tell us what the possible_crtcs field for the planes mean?
	   Way to save overhead! */
	resources = drmModeGetResources(drm->fd);
	if (!resources) {
		LOGE("Failed to get KMS resources\n");
		return -EINVAL;
	}

	for (order = 0; order < resources->count_crtcs; order++)
		if (resources->crtcs[order] == drm->crtc_id)
			break;

	if (order == resources->count_crtcs) {
		LOGE("Failed to find crtc %d in KMS resources\n", drm->crtc_id);
		drmModeFreeResources(resources);
		return -EINVAL;
	}

	drmModeFreeResources(resources);

	planes = drmModeGetPlaneResources(drm->fd);
	if (!planes) {
		LOGE("Failed to get KMS Plane resources\n");
		return -EINVAL;
	}

	for (i = 0; i < (int) planes->count_planes; i++) {
		drmModePlanePtr plane =
			drmModeGetPlane(drm->fd, planes->planes[i]);

		if (!plane) {
			LOGE("Failed to get Plane %d: %s\n", planes->planes[i],
			     strerror(errno));
			return errno;
		}

		if (plane->possible_crtcs & (1 << order)) {
			int ret = gralloc_kms_plane_add(drm, plane);
			if (ret) {
				drmModeFreePlane(plane);
				drmModeFreePlaneResources(planes);
				return ret;
			}
		}

		drmModeFreePlane(plane);
	}

	drmModeFreePlaneResources(planes);

	LOGI("%s: %d planes\n", __func__, drm->plane_count);
	for (i = 0; i < drm->plane_count; i++) {
		char buffer[1024];
		int j;

		for (j = 0; j < drm->planes[i]->format_count; j++)
			sprintf(buffer + 6 * j, " %c%c%c%c,",
				drm->planes[i]->formats[j] & 0xFF,
				(drm->planes[i]->formats[j] >> 8) & 0xFF,
				(drm->planes[i]->formats[j] >> 16) & 0xFF,
				(drm->planes[i]->formats[j] >> 24) & 0xFF);
		LOGI("\t%d: %s", drm->planes[i]->id, buffer);
	}

	return 0;
}
Exemple #11
0
struct sp_dev* create_sp_dev(void) {
	struct sp_dev *dev;
	int ret, fd, i, j;
	drmModeRes *r = NULL;
	drmModePlaneRes *pr = NULL;

	fd = open("/dev/dri/card0", O_RDWR);
	if (fd < 0) {
		printf("failed to open card0\n");
		return NULL;
	}

	dev = calloc(1, sizeof(*dev));
	if (!dev) {
		printf("failed to allocate dev\n");
		return NULL;
	}

	dev->fd = fd;

#if 0
	ret = drmSetClientCap(dev->fd, DRM_CLIENT_CAP_ATOMIC, 1);
	if (ret) {
		printf("failed to set client cap atomic\n");
		goto err;
	}
	ret = drmSetClientCap(dev->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
	if (ret) {
		printf("failed to set client cap\n");
		goto err;
	}
#endif

	r = drmModeGetResources(dev->fd);
	if (!r) {
		printf("failed to get r\n");
		goto err;
	}

	dev->num_connectors = r->count_connectors;
	dev->connectors = calloc(dev->num_connectors, sizeof(*dev->connectors));
	if (!dev->connectors) {
		printf("failed to allocate connectors\n");
		goto err;
	}
	for (i = 0; i < dev->num_connectors; i++) {
		dev->connectors[i] = drmModeGetConnector(dev->fd,
							 r->connectors[i]);
		if (!dev->connectors[i]) {
			printf("failed to get connector %d\n", i);
			goto err;
		}
	}

	dev->num_encoders = r->count_encoders;
	dev->encoders = calloc(dev->num_encoders, sizeof(*dev->encoders));
	if (!dev->encoders) {
		printf("failed to allocate encoders\n");
		goto err;
	}
	for (i = 0; i < dev->num_encoders; i++) {
		dev->encoders[i] = drmModeGetEncoder(dev->fd, r->encoders[i]);
		if (!dev->encoders[i]) {
			printf("failed to get encoder %d\n", i);
			goto err;
		}
	}

	dev->num_crtcs = r->count_crtcs;
	dev->crtcs = calloc(dev->num_crtcs, sizeof(struct sp_crtc));
	if (!dev->crtcs) {
		printf("failed to allocate crtcs\n");
		goto err;
	}
	for (i = 0; i < dev->num_crtcs; i++) {
		dev->crtcs[i].crtc = drmModeGetCrtc(dev->fd, r->crtcs[i]);
		if (!dev->crtcs[i].crtc) {
			printf("failed to get crtc %d\n", i);
			goto err;
		}
		dev->crtcs[i].scanout = NULL;
		dev->crtcs[i].pipe = i;
		dev->crtcs[i].num_planes = 0;
	}

	pr = drmModeGetPlaneResources(dev->fd);
	if (!pr) {
		printf("failed to get plane resources\n");
		goto err;
	}
	dev->num_planes = pr->count_planes;
	dev->planes = calloc(dev->num_planes, sizeof(struct sp_plane));
	for (i = 0; i < dev->num_planes; i++) {
		drmModeObjectPropertiesPtr props;
		struct sp_plane *plane = &dev->planes[i];

		plane->dev = dev;
		plane->plane = drmModeGetPlane(dev->fd, pr->planes[i]);
		if (!plane->plane) {
			printf("failed to get plane %d\n", i);
			goto err;
		}
		plane->bo = NULL;
		plane->in_use = 0;

		ret = get_supported_format(plane, &plane->format);
		if (ret) {
			printf("failed to get supported format: %d\n", ret);
			goto err;
		}

		for (j = 0; j < dev->num_crtcs; j++) {
			if (plane->plane->possible_crtcs & (1 << j))
				dev->crtcs[j].num_planes++;
		}

		props = drmModeObjectGetProperties(dev->fd, pr->planes[i],
						   DRM_MODE_OBJECT_PLANE);
		if (!props) {
			printf("failed to get plane properties\n");
			goto err;
		}
#if 0//def USE_ATOMIC_API
		plane->crtc_pid = get_prop_id(dev, props, "CRTC_ID");
		if (!plane->crtc_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->fb_pid = get_prop_id(dev, props, "FB_ID");
		if (!plane->fb_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->crtc_x_pid = get_prop_id(dev, props, "CRTC_X");
		if (!plane->crtc_x_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->crtc_y_pid = get_prop_id(dev, props, "CRTC_Y");
		if (!plane->crtc_y_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->crtc_w_pid = get_prop_id(dev, props, "CRTC_W");
		if (!plane->crtc_w_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->crtc_h_pid = get_prop_id(dev, props, "CRTC_H");
		if (!plane->crtc_h_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->src_x_pid = get_prop_id(dev, props, "SRC_X");
		if (!plane->src_x_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->src_y_pid = get_prop_id(dev, props, "SRC_Y");
		if (!plane->src_y_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->src_w_pid = get_prop_id(dev, props, "SRC_W");
		if (!plane->src_w_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
		plane->src_h_pid = get_prop_id(dev, props, "SRC_H");
		if (!plane->src_h_pid) {
			drmModeFreeObjectProperties(props);
			goto err;
		}
#endif
		drmModeFreeObjectProperties(props);
	}

	if (pr)
		drmModeFreePlaneResources(pr);
	if (r)
		drmModeFreeResources(r);

	return dev;
err:
	if (pr)
		drmModeFreePlaneResources(pr);
	if (r)
		drmModeFreeResources(r);
	destroy_sp_dev(dev);
	return NULL;
}