static int drm_plane_type(int drm_fd, int plane_id)
{
drmModeObjectPropertiesPtr props;
drmModePropertyPtr prop;
int plane_type = -EINVAL;
int i;
props = drmModeObjectGetProperties(drm_fd, plane_id, DRM_MODE_OBJECT_PLANE);
if (!props)
return -ENODEV;
for (i = 0; i < props->count_props && plane_type == -EINVAL; i++) {
prop = drmModeGetProperty(drm_fd, props->props[i]);
if (prop) {
if (strcmp(prop->name, "type") == 0)
plane_type = props->prop_values[i];
drmModeFreeProperty(prop);
}
}
drmModeFreeObjectProperties(props);
return plane_type;
}
int drm_object_create_properties(struct mp_log *log, int fd,
struct drm_object *object)
{
object->props = drmModeObjectGetProperties(fd, object->id, object->type);
if (object->props) {
object->props_info = talloc_zero_size(NULL, object->props->count_props
* sizeof(object->props_info));
if (object->props_info) {
for (int i = 0; i < object->props->count_props; i++)
object->props_info[i] = drmModeGetProperty(fd, object->props->props[i]);
} else {
mp_err(log, "Out of memory\n");
goto fail;
}
} else {
mp_err(log, "Failed to retrieve properties for object id %d\n", object->id);
goto fail;
}
return 0;
fail:
drm_object_free_properties(object);
return -1;
}
Property::Property(Card& card, uint32_t id)
: DrmObject(card, id, DRM_MODE_OBJECT_PROPERTY)
{
m_priv = new PropertyPriv();
m_priv->drm_prop = drmModeGetProperty(card.fd(), id);
m_name = m_priv->drm_prop->name;
}
static void populate_crtc_props(int fd, struct my_crtc *c)
{
drmModeObjectPropertiesPtr props;
uint32_t i;
props = drmModeObjectGetProperties(fd, c->base.crtc_id, DRM_MODE_OBJECT_CRTC);
if (!props)
return;
for (i = 0; i < props->count_props; i++) {
drmModePropertyPtr prop;
prop = drmModeGetProperty(fd, props->props[i]);
if (!prop)
continue;
printf("crtc prop %s %u\n", prop->name, prop->prop_id);
// if (!strcmp(prop->name, "MODE"))
// c->prop.mode = prop->prop_id;
// else if (!strcmp(prop->name, "CONNECTOR_IDS"))
// c->prop.connector_ids = prop->prop_id;
drmModeFreeProperty(prop);
}
drmModeFreeObjectProperties(props);
}
static int kms_plane_probe(struct kms_plane *plane)
{
struct kms_device *device = plane->device;
drmModeObjectPropertiesPtr props;
drmModePlane *p;
unsigned int i;
p = drmModeGetPlane(device->fd, plane->id);
if (!p)
return -ENODEV;
/* TODO: allow dynamic assignment to CRTCs */
if (p->crtc_id == 0) {
for (i = 0; i < device->num_crtcs; i++) {
if (p->possible_crtcs & (1 << i)) {
p->crtc_id = device->crtcs[i]->id;
break;
}
}
}
for (i = 0; i < device->num_crtcs; i++) {
if (device->crtcs[i]->id == p->crtc_id) {
plane->crtc = device->crtcs[i];
break;
}
}
plane->formats = calloc(p->count_formats, sizeof(uint32_t));
if (!plane->formats)
return -ENOMEM;
for (i = 0; i < p->count_formats; i++)
plane->formats[i] = p->formats[i];
plane->num_formats = p->count_formats;
drmModeFreePlane(p);
props = drmModeObjectGetProperties(device->fd, plane->id,
DRM_MODE_OBJECT_PLANE);
if (!props)
return -ENODEV;
for (i = 0; i < props->count_props; i++) {
drmModePropertyPtr prop;
prop = drmModeGetProperty(device->fd, props->props[i]);
if (prop) {
if (strcmp(prop->name, "type") == 0)
plane->type = props->prop_values[i];
drmModeFreeProperty(prop);
}
}
drmModeFreeObjectProperties(props);
return 0;
}
bool drm_mipi_setMode(int mode)
{
drmModeConnector *connector = getConnector(gDrmCxt.drmFD, DRM_MODE_CONNECTOR_MIPI);
if (connector == NULL)
return false;
int i = 0;
drmModePropertyPtr props = NULL;
// Set MIPI On/Off
for (i = 0; i < connector->count_props; i++) {
props = drmModeGetProperty(gDrmCxt.drmFD, connector->props[i]);
if (!props) continue;
if (props->name != NULL &&
!strncmp(props->name, "DPMS", sizeof("DPMS"))) {
LOGV("%s: %s %u", __func__,
(mode == DRM_MIPI_ON) ? "On" : "Off",
connector->connector_id);
drmModeConnectorSetProperty(gDrmCxt.drmFD,
connector->connector_id,
props->prop_id,
(mode == DRM_MIPI_ON)
? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
drmModeFreeProperty(props);
break;
}
drmModeFreeProperty(props);
}
drmModeFreeConnector(connector);
return true;
}
static void fill_obj_props(int fd, uint32_t id, int type, int num_props,
const char **prop_names, uint32_t *prop_ids)
{
drmModeObjectPropertiesPtr props;
int i, j;
props = drmModeObjectGetProperties(fd, id, type);
igt_assert(props);
for (i = 0; i < props->count_props; i++) {
drmModePropertyPtr prop =
drmModeGetProperty(fd, props->props[i]);
for (j = 0; j < num_props; j++) {
if (strcmp(prop->name, prop_names[j]) != 0)
continue;
prop_ids[j] = props->props[i];
break;
}
drmModeFreeProperty(prop);
}
drmModeFreeObjectProperties(props);
}
static void
find_crtc_properties (MetaMonitorManagerKms *manager_kms,
MetaCRTC *meta_crtc)
{
MetaCRTCKms *crtc_kms;
drmModeObjectPropertiesPtr props;
size_t i;
crtc_kms = meta_crtc->driver_private;
props = drmModeObjectGetProperties (manager_kms->fd, meta_crtc->crtc_id, DRM_MODE_OBJECT_CRTC);
if (!props)
return;
for (i = 0; i < props->count_props; i++)
{
drmModePropertyPtr prop = drmModeGetProperty (manager_kms->fd, props->props[i]);
if (!prop)
continue;
if ((prop->flags & DRM_MODE_PROP_ENUM) && strcmp (prop->name, "underscan") == 0)
crtc_kms->underscan_prop_id = prop->prop_id;
else if ((prop->flags & DRM_MODE_PROP_RANGE) && strcmp (prop->name, "underscan hborder") == 0)
crtc_kms->underscan_hborder_prop_id = prop->prop_id;
else if ((prop->flags & DRM_MODE_PROP_RANGE) && strcmp (prop->name, "underscan vborder") == 0)
crtc_kms->underscan_vborder_prop_id = prop->prop_id;
drmModeFreeProperty (prop);
}
}
static int
find_property_index (MetaMonitorManager *manager,
drmModeObjectPropertiesPtr props,
const gchar *prop_name,
drmModePropertyPtr *found)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
unsigned int i;
for (i = 0; i < props->count_props; i++)
{
drmModePropertyPtr prop;
prop = drmModeGetProperty (manager_kms->fd, props->props[i]);
if (!prop)
continue;
if (strcmp (prop->name, prop_name) == 0)
{
*found = prop;
return i;
}
drmModeFreeProperty (prop);
}
return -1;
}
static void
find_connector_properties (MetaMonitorManagerKms *manager_kms,
MetaOutputKms *output_kms)
{
int i;
output_kms->hotplug_mode_update = 0;
output_kms->suggested_x = -1;
output_kms->suggested_y = -1;
for (i = 0; i < output_kms->connector->count_props; i++)
{
drmModePropertyPtr prop = drmModeGetProperty (manager_kms->fd, output_kms->connector->props[i]);
if (!prop)
continue;
if ((prop->flags & DRM_MODE_PROP_ENUM) && strcmp (prop->name, "DPMS") == 0)
output_kms->dpms_prop_id = prop->prop_id;
else if ((prop->flags & DRM_MODE_PROP_BLOB) && strcmp (prop->name, "EDID") == 0)
output_kms->edid_blob_id = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_BLOB) &&
strcmp (prop->name, "TILE") == 0)
output_kms->tile_blob_id = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "suggested X") == 0)
output_kms->suggested_x = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "suggested Y") == 0)
output_kms->suggested_y = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "hotplug_mode_update") == 0)
output_kms->hotplug_mode_update = output_kms->connector->prop_values[i];
drmModeFreeProperty (prop);
}
}
static void
drmmode_output_dpms(xf86OutputPtr output, int mode)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr koutput = drmmode_output->mode_output;
drmmode_ptr drmmode = drmmode_output->drmmode;
int i;
drmModePropertyPtr props;
for (i = 0; i < koutput->count_props; i++) {
props = drmModeGetProperty(drmmode->fd, koutput->props[i]);
if (!props)
continue;
if (!strcmp(props->name, "DPMS")) {
drmModeConnectorSetProperty(drmmode->fd,
drmmode_output->output_id,
props->prop_id,
mode);
drmmode_output_dpms_backlight(output,
drmmode_output->dpms_mode,
mode);
drmmode_output->dpms_mode = mode;
drmModeFreeProperty(props);
return;
}
drmModeFreeProperty(props);
}
}
void mgm::RealKMSOutput::reset()
{
DRMModeResources resources{drm_fd};
/* Update the connector to ensure we have the latest information */
connector = resources.connector(connector_id);
if (!connector)
fatal_error("No DRM connector found");
// TODO: What if we can't locate the DPMS property?
for (int i = 0; i < connector->count_props; i++)
{
auto prop = drmModeGetProperty(drm_fd, connector->props[i]);
if (prop && (prop->flags & DRM_MODE_PROP_ENUM)) {
if (!strcmp(prop->name, "DPMS"))
{
dpms_enum_id = connector->props[i];
drmModeFreeProperty(prop);
break;
}
drmModeFreeProperty(prop);
}
}
/* Discard previously current crtc */
current_crtc = nullptr;
}
static void printProperties(int fd, uint32_t* props, uint64_t* values, int count) {
drmModePropertyRes* prop;
int i;
for (i = 0; i < count; i++) {
prop = drmModeGetProperty(fd, props[i]);
printProperty(fd, prop, values[i]);
drmModeFreeProperty(prop);
}
}
/* 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;
}
bool Drm::setDpmsMode(int device, int mode)
{
Mutex::Autolock _l(mLock);
int output = getOutputIndex(device);
if (output < 0 ) {
return false;
}
if (mode != IDisplayDevice::DEVICE_DISPLAY_OFF &&
mode != IDisplayDevice::DEVICE_DISPLAY_STANDBY &&
mode != IDisplayDevice::DEVICE_DISPLAY_ON) {
ELOGTRACE("invalid mode %d", mode);
return false;
}
DrmOutput *out = &mOutputs[output];
if (!out->connected) {
ELOGTRACE("device is not connected");
return false;
}
drmModePropertyPtr props;
for (int i = 0; i < out->connector->count_props; i++) {
props = drmModeGetProperty(mDrmFd, out->connector->props[i]);
if (!props) {
continue;
}
if (strcmp(props->name, "DPMS") == 0) {
int ret = drmModeConnectorSetProperty(
mDrmFd,
out->connector->connector_id,
props->prop_id,
(mode == IDisplayDevice::DEVICE_DISPLAY_ON) ? DRM_MODE_DPMS_ON :
IDisplayDevice::DEVICE_DISPLAY_STANDBY == mode ?
DRM_MODE_DPMS_STANDBY : DRM_MODE_DPMS_OFF);
drmModeFreeProperty(props);
if (ret != 0) {
ELOGTRACE("unable to set DPMS %d", mode);
return false;
} else {
return true;
}
}
drmModeFreeProperty(props);
}
return false;
}
static uint32_t get_prop_id(struct sp_dev *dev,
drmModeObjectPropertiesPtr props, const char *name){
drmModePropertyPtr p;
uint32_t i, prop_id = 0; /* Property ID should always be > 0 */
for (i = 0; !prop_id && i < props->count_props; i++) {
p = drmModeGetProperty(dev->fd, props->props[i]);
if (!strcmp(p->name, name))
prop_id = p->prop_id;
drmModeFreeProperty(p);
}
if (!prop_id)
printf("Could not find %s property\n", name);
return prop_id;
}
static bool GetProperties(int fd, uint32_t id, uint32_t type, struct drm_object *object)
{
drmModeObjectPropertiesPtr props = drmModeObjectGetProperties(fd, id, type);
if (!props)
return false;
object->id = id;
object->type = type;
object->props = props;
object->props_info = new drmModePropertyPtr[props->count_props];
for (uint32_t i = 0; i < props->count_props; i++)
object->props_info[i] = drmModeGetProperty(fd, props->props[i]);
return true;
}
int main(int argc, char * argv[])
{
int control_minor = 64;
int c = drmOpenControl(control_minor);
if (!c) {
printf("DRM open device %d failed\n", control_minor);
abort();
}
int render_minor = 128;
int r = drmOpenRender(render_minor);
if (!r) {
printf("DRM open render node %d failed\n", render_minor);
}
drmVersionPtr v = drmGetVersion(r);
if (!v) {
printf("Couldn't get DRM version\n");
abort();
}
printf("%s %s %s\n", v->name, v->date, v->desc);
drmModeResPtr moderes = drmModeGetResources(c);
if (!moderes) {
printf("Couldn't get DRM modesetting resources\n");
abort();
}
printf("fbs: %d crtcs: %d connectors: %d encoders: %d\n",
moderes->count_fbs, moderes->count_crtcs, moderes->count_connectors, moderes->count_encoders);
for (int i = 0; i < moderes->count_connectors; i++) {
printf("Connector %d\n", moderes->connectors[i]);
drmModeConnectorPtr connector = drmModeGetConnector(c, moderes->connectors[i]);
if (connector->connection == DRM_MODE_CONNECTED) {
printf("\tConnected\n");
printf("\tSize: %d x %d mm\n", connector->mmWidth, connector->mmHeight);
printf("\tModes:\n");
for (int j = 0; j < connector->count_modes; j++) {
printf("\t\t%s\n", connector->modes[j].name);
}
printf("\tProperties:\n");
for (int j = 0; j < connector->count_props; j++) {
drmModePropertyPtr property = drmModeGetProperty(c, connector->props[j]);
printf("\t\t%s\n", property->name);
}
} else {
printf("\tDisconnected\n");
}
}
}
static void
drm_find_dpms(struct drm_device *dev, struct drm_screen *screen)
{
drmModeConnectorPtr c = screen->connector;
drmModePropertyPtr p;
int i;
for (i = 0; i < c->count_props; i++) {
p = drmModeGetProperty(dev->drmFD, c->props[i]);
if (!strcmp(p->name, "DPMS"))
break;
drmModeFreeProperty(p);
p = NULL;
}
screen->dpms = p;
}
static uint64_t drm_plane_type(drmModePlane *plane)
{
int i,j;
/* The property values and their names are stored in different arrays, so we
* access them simultaneously here.
* We are interested in OVERLAY planes only, that's type 0 or DRM_PLANE_TYPE_OVERLAY
* (see /usr/xf86drmMode.h for definition). */
drmModeObjectPropertiesPtr props =
drmModeObjectGetProperties(drm.fd, plane->plane_id, DRM_MODE_OBJECT_PLANE);
for (j = 0; j < props->count_props; j++)
{
/* found the type property */
if ( !strcmp(drmModeGetProperty(drm.fd, props->props[j])->name, "type"))
return (props->prop_values[j]);
}
return (0);
}
static void populate_plane_props(int fd, struct my_plane *p)
{
drmModeObjectPropertiesPtr props;
uint32_t i;
props = drmModeObjectGetProperties(fd, p->base.plane_id, DRM_MODE_OBJECT_PLANE);
if (!props)
return;
for (i = 0; i < props->count_props; i++) {
drmModePropertyPtr prop;
prop = drmModeGetProperty(fd, props->props[i]);
if (!prop)
continue;
printf("plane prop %s %u\n", prop->name, prop->prop_id);
if (!strcmp(prop->name, "SRC_X"))
p->prop.src_x = prop->prop_id;
else if (!strcmp(prop->name, "SRC_Y"))
p->prop.src_y = prop->prop_id;
else if (!strcmp(prop->name, "SRC_W"))
p->prop.src_w = prop->prop_id;
else if (!strcmp(prop->name, "SRC_H"))
p->prop.src_h = prop->prop_id;
else if (!strcmp(prop->name, "CRTC_X"))
p->prop.crtc_x = prop->prop_id;
else if (!strcmp(prop->name, "CRTC_Y"))
p->prop.crtc_y = prop->prop_id;
else if (!strcmp(prop->name, "CRTC_W"))
p->prop.crtc_w = prop->prop_id;
else if (!strcmp(prop->name, "CRTC_H"))
p->prop.crtc_h = prop->prop_id;
else if (!strcmp(prop->name, "FB_ID"))
p->prop.fb = prop->prop_id;
else if (!strcmp(prop->name, "CRTC_ID"))
p->prop.crtc = prop->prop_id;
drmModeFreeProperty(prop);
}
drmModeFreeObjectProperties(props);
}
static uint32_t get_plane_prop_id(uint32_t obj_id, const char *name)
{
int i,j;
drmModePlaneRes *plane_resources;
drmModePlane *plane;
drmModeObjectProperties *props;
drmModePropertyRes **props_info;
char format_str[5];
plane_resources = drmModeGetPlaneResources(drm.fd);
for (i = 0; i < plane_resources->count_planes; i++)
{
plane = drmModeGetPlane(drm.fd, plane_resources->planes[i]);
if (plane->plane_id != obj_id)
continue;
/* TODO: Improvement. We get all the properties of the
* plane and info about the properties.
* We should have done this already...
* This implementation must be improved. */
props = drmModeObjectGetProperties(drm.fd,
plane->plane_id, DRM_MODE_OBJECT_PLANE);
props_info = malloc(props->count_props * sizeof *props_info);
for (j = 0; j < props->count_props; ++j)
props_info[j] = drmModeGetProperty(drm.fd, props->props[j]);
/* We look for the prop_id we need */
for (j = 0; j < props->count_props; j++)
{
if (!strcmp(props_info[j]->name, name))
return props_info[j]->prop_id;
}
RARCH_ERR ("DRM: plane %d fb property ID with name %s not found\n",
plane->plane_id, name);
}
return (0);
}
static int get_dpms(struct uterm_display *disp, drmModeConnector *conn)
{
int i, ret;
drmModePropertyRes *prop;
for (i = 0; i < conn->count_props; ++i) {
prop = drmModeGetProperty(disp->video->dumb.fd, conn->props[i]);
if (!prop) {
log_error("cannot get DRM property (%d): %m", errno);
continue;
}
if (!strcmp(prop->name, "DPMS")) {
switch (conn->prop_values[i]) {
case DRM_MODE_DPMS_ON:
ret = UTERM_DPMS_ON;
break;
case DRM_MODE_DPMS_STANDBY:
ret = UTERM_DPMS_STANDBY;
break;
case DRM_MODE_DPMS_SUSPEND:
ret = UTERM_DPMS_SUSPEND;
break;
case DRM_MODE_DPMS_OFF:
default:
ret = UTERM_DPMS_OFF;
}
drmModeFreeProperty(prop);
return ret;
}
drmModeFreeProperty(prop);
}
if (i == conn->count_props)
log_warn("display does not support DPMS");
return UTERM_DPMS_UNKNOWN;
}
int DrmResources::GetProperty(uint32_t obj_id, uint32_t obj_type,
const char *prop_name, DrmProperty *property) {
drmModeObjectPropertiesPtr props;
props = drmModeObjectGetProperties(fd_, obj_id, obj_type);
if (!props) {
ALOGE("Failed to get properties for %d/%x", obj_id, obj_type);
return -ENODEV;
}
bool found = false;
for (int i = 0; !found && (size_t)i < props->count_props; ++i) {
drmModePropertyPtr p = drmModeGetProperty(fd_, props->props[i]);
if (!strcmp(p->name, prop_name)) {
property->Init(p, props->prop_values[i]);
found = true;
}
drmModeFreeProperty(p);
}
drmModeFreeObjectProperties(props);
return found ? 0 : -ENOENT;
}
static void
find_properties (MetaMonitorManagerKms *manager_kms,
MetaOutputKms *output_kms)
{
drmModePropertyPtr prop;
int i;
for (i = 0; i < output_kms->connector->count_props; i++)
{
prop = drmModeGetProperty (manager_kms->fd, output_kms->connector->props[i]);
if (!prop)
continue;
if ((prop->flags & DRM_MODE_PROP_ENUM) &&
strcmp(prop->name, "DPMS") == 0)
output_kms->dpms_prop_id = prop->prop_id;
else if ((prop->flags & DRM_MODE_PROP_BLOB) &&
strcmp (prop->name, "EDID") == 0)
output_kms->edid_blob_id = output_kms->connector->prop_values[i];
drmModeFreeProperty(prop);
}
}
bool CDRMUtils::GetConnector()
{
for(auto i = 0; i < m_drm_resources->count_connectors; i++)
{
m_connector->connector = drmModeGetConnector(m_fd,
m_drm_resources->connectors[i]);
if(m_connector->connector->connection == DRM_MODE_CONNECTED)
{
CLog::Log(LOGDEBUG, "CDRMUtils::%s - found connector: %d", __FUNCTION__,
m_connector->connector->connector_id);
break;
}
drmModeFreeConnector(m_connector->connector);
m_connector->connector = nullptr;
}
if(!m_connector->connector)
{
CLog::Log(LOGERROR, "CDRMUtils::%s - could not get connector: %s", __FUNCTION__, strerror(errno));
return false;
}
m_connector->props = drmModeObjectGetProperties(m_fd, m_connector->connector->connector_id, DRM_MODE_OBJECT_CONNECTOR);
if (!m_connector->props)
{
CLog::Log(LOGERROR, "CDRMUtils::%s - could not get connector %u properties: %s", __FUNCTION__, m_connector->connector->connector_id, strerror(errno));
return false;
}
m_connector->props_info = new drmModePropertyPtr[m_connector->props->count_props];
for (uint32_t i = 0; i < m_connector->props->count_props; i++)
{
m_connector->props_info[i] = drmModeGetProperty(m_fd, m_connector->props->props[i]);
}
return true;
}
bool CDRMUtils::GetCrtc()
{
for(auto i = 0; i < m_drm_resources->count_crtcs; i++)
{
m_crtc->crtc = drmModeGetCrtc(m_fd, m_drm_resources->crtcs[i]);
if(m_crtc->crtc->crtc_id == m_encoder->encoder->crtc_id)
{
CLog::Log(LOGDEBUG, "CDRMUtils::%s - found crtc: %d", __FUNCTION__,
m_crtc->crtc->crtc_id);
m_crtc_index = i;
break;
}
drmModeFreeCrtc(m_crtc->crtc);
m_crtc->crtc = nullptr;
}
if(!m_crtc->crtc)
{
CLog::Log(LOGERROR, "CDRMUtils::%s - could not get crtc: %s", __FUNCTION__, strerror(errno));
return false;
}
m_crtc->props = drmModeObjectGetProperties(m_fd, m_crtc->crtc->crtc_id, DRM_MODE_OBJECT_CRTC);
if (!m_crtc->props)
{
CLog::Log(LOGERROR, "CDRMUtils::%s - could not get crtc %u properties: %s", __FUNCTION__, m_crtc->crtc->crtc_id, strerror(errno));
return false;
}
m_crtc->props_info = new drmModePropertyPtr[m_crtc->props->count_props];
for (uint32_t i = 0; i < m_crtc->props->count_props; i++)
{
m_crtc->props_info[i] = drmModeGetProperty(m_fd, m_crtc->props->props[i]);
}
return true;
}
/**
* Get the extended display identification data for the monitor connected to a connector
*
* @param connection The identifier for the connection to the card
* @param connector_index The index of the connector
* @param edid Storage location for the EDID, it should be 128 bytes,
* or 256 bytes if you are counting on the depricated EDID 2.0,
* If hexadecimal, twice that + zero termiation.
* @param size The size allocated to `edid` excluding your zero termination
* @param hexadecimal Whether to convert to hexadecimal representation, this is preferable
* @return The length of the found value, 0 if none, as if hex is false
*/
long blueshift_drm_get_edid(int connection, int connector_index, char* edid, long size, int hexadecimal)
{
card_connection* card = card_connections + connection;
drmModeConnector* connector = *(card->connectors + connector_index);
int fd = card->fd;
long rc = 0;
int prop_n = connector->count_props;
int prop_i;
for (prop_i = 0; prop_i < prop_n; prop_i++)
{
drmModePropertyRes* prop = drmModeGetProperty(fd, connector->props[prop_i]);
if (!strcmp("EDID", prop->name))
{
drmModePropertyBlobRes* blob = drmModeGetPropertyBlob(fd, (uint32_t)(connector->prop_values[prop_i]));
if (hexadecimal)
{
uint32_t n = (uint32_t)size / 2;
uint32_t i;
rc += blob->length;
if (n > blob->length)
n = blob->length;
for (i = 0; i < n ; i++)
{
*(edid + i * 2 + 0) = "0123456789abcdef"[(*((char*)(blob->data) + i) >> 4) & 15];
*(edid + i * 2 + 1) = "0123456789abcdef"[(*((char*)(blob->data) + i) >> 0) & 15];
}
}
else
{
uint32_t len = blob->length < size ? blob->length : (uint32_t)size;
memcpy(edid, blob->data, (size_t)len * sizeof(char));
}
drmModeFreePropertyBlob(blob);
prop_i = prop_n; /* stop the for-loop */
}
static void fill_obj_prop_map(int fd, uint32_t id, int type, const char *name,
int num_enums, const char **enum_names,
uint64_t *enum_ids)
{
drmModeObjectPropertiesPtr props;
int i, j, k;
props = drmModeObjectGetProperties(fd, id, type);
igt_assert(props);
for (i = 0; i < props->count_props; i++) {
drmModePropertyPtr prop =
drmModeGetProperty(fd, props->props[i]);
igt_assert(prop);
if (strcmp(prop->name, name) != 0) {
drmModeFreeProperty(prop);
continue;
}
for (j = 0; j < prop->count_enums; j++) {
struct drm_mode_property_enum *e = &prop->enums[j];
for (k = 0; k < num_enums; k++) {
if (strcmp(e->name, enum_names[k]) != 0)
continue;
enum_ids[k] = e->value;
break;
}
}
drmModeFreeProperty(prop);
}
}
static DFBResult
drmkmsPlaneInitLayer( CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBDisplayLayerDescription *description,
DFBDisplayLayerConfig *config,
DFBColorAdjustment *adjustment )
{
DRMKMSData *drmkms = driver_data;
DRMKMSDataShared *shared = drmkms->shared;
DRMKMSLayerData *data = layer_data;
drmModeObjectPropertiesPtr props;
D_DEBUG_AT( DRMKMS_Layer, "%s()\n", __FUNCTION__ );
data->index = shared->layerplane_index_count++;
data->plane_index = shared->plane_index_count++;
data->level = data->index;
D_DEBUG_AT( DRMKMS_Layer, " -> getting plane with index %d\n", data->plane_index );
data->plane = drmModeGetPlane(drmkms->fd, drmkms->plane_resources->planes[data->plane_index]);
D_DEBUG_AT( DRMKMS_Layer, " -> plane_id is %d\n", data->plane->plane_id );
description->type = DLTF_GRAPHICS;
description->caps = DLCAPS_SURFACE | DLCAPS_SCREEN_POSITION | DLCAPS_ALPHACHANNEL;
description->surface_caps = DSCAPS_NONE;
description->surface_accessor = CSAID_LAYER0;
snprintf( description->name, DFB_DISPLAY_LAYER_DESC_NAME_LENGTH, "DRMKMS Plane Layer %d", data->plane_index );
config->flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE;
config->width = dfb_config->mode.width ?: shared->mode[0].hdisplay;
config->height = dfb_config->mode.height ?: shared->mode[0].vdisplay;
config->pixelformat = dfb_config->mode.format ?: DSPF_ARGB;
config->buffermode = DLBM_FRONTONLY;
props = drmModeObjectGetProperties( drmkms->fd, data->plane->plane_id, DRM_MODE_OBJECT_PLANE );
if (props) {
int i;
drmModePropertyPtr prop;
D_INFO( "DirectFB/DRMKMS: supported properties for layer id %d\n", data->plane->plane_id );
for (i = 0; i < props->count_props; i++) {
prop = drmModeGetProperty( drmkms->fd, props->props[i] );
if (!strcmp(prop->name, "colorkey")) {
description->caps |= DLCAPS_SRC_COLORKEY;
data->colorkey_propid = prop->prop_id;
D_INFO( " colorkey\n" );
}
else if (!strcmp(prop->name, "zpos")) {
description->caps |= DLCAPS_LEVELS;
data->zpos_propid = prop->prop_id;
D_INFO( " zpos\n" );
drmModeObjectSetProperty( drmkms->fd, data->plane->plane_id, DRM_MODE_OBJECT_PLANE, data->zpos_propid, data->level );
}
else if (!strcmp(prop->name, "alpha")) {
description->caps |= DLCAPS_OPACITY;
data->alpha_propid = prop->prop_id;
D_INFO( " alpha\n" );
}
drmModeFreeProperty( prop );
}
drmModeFreeObjectProperties( props );
}
shared->layer_data[data->index] = data;
return DFB_OK;
}