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monitor-manager-kms: Add support for underscan

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This commit is contained in:
Jasper St. Pierre
2015-04-27 17:42:10 -07:00
parent c68e43a97f
commit 48bf807430
3 changed files with 122 additions and 15 deletions
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110
src/backends/native/meta-monitor-manager-kms.c
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@ -57,6 +57,12 @@ typedef struct {
uint32_t edid_blob_id;
} MetaOutputKms;
typedef struct {
uint32_t underscan_prop_id;
uint32_t underscan_hborder_prop_id;
uint32_t underscan_vborder_prop_id;
} MetaCRTCKms;
struct _MetaMonitorManagerKms
{
MetaMonitorManager parent_instance;
@ -137,6 +143,12 @@ meta_monitor_mode_destroy_notify (MetaMonitorMode *output)
g_slice_free (drmModeModeInfo, output->driver_private);
}
static void
meta_crtc_destroy_notify (MetaCRTC *crtc)
{
g_free (crtc->driver_private);
}
static gboolean
drm_mode_equal (gconstpointer one,
gconstpointer two)
@ -181,29 +193,54 @@ drm_mode_hash (gconstpointer ptr)
}
static void
find_properties (MetaMonitorManagerKms *manager_kms,
MetaOutputKms *output_kms)
find_connector_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]);
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)
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)
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);
}
}
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);
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 GBytes *
read_output_edid (MetaMonitorManagerKms *manager_kms,
MetaOutput *output)
@ -417,6 +454,10 @@ meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
meta_crtc = &manager->crtcs[i];
meta_crtc->driver_private = g_new (MetaCRTCKms, 1);
meta_crtc->driver_notify = (GDestroyNotify) meta_crtc_destroy_notify;
find_crtc_properties (manager_kms, meta_crtc);
meta_crtc->crtc_id = crtc->crtc_id;
meta_crtc->rect.x = crtc->x;
meta_crtc->rect.y = crtc->y;
@ -567,7 +608,7 @@ meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
meta_output->is_presentation = FALSE;
}
find_properties (manager_kms, output_kms);
find_connector_properties (manager_kms, output_kms);
edid = read_output_edid (manager_kms, meta_output);
meta_output_parse_edid (meta_output, edid);
@ -723,8 +764,9 @@ meta_monitor_manager_kms_set_power_save_mode (MetaMonitorManager *manager,
if (output_kms->dpms_prop_id != 0)
{
int ok = drmModeConnectorSetProperty(manager_kms->fd, meta_output->winsys_id,
output_kms->dpms_prop_id, state);
int ok = drmModeObjectSetProperty (manager_kms->fd, meta_output->winsys_id,
DRM_MODE_OBJECT_CONNECTOR,
output_kms->dpms_prop_id, state);
if (ok < 0)
meta_warning ("Failed to set power save mode for output %s: %s\n",
@ -748,6 +790,48 @@ crtc_free (CoglKmsCrtc *crtc)
g_slice_free (CoglKmsCrtc, crtc);
}
static void
set_underscan (MetaMonitorManagerKms *manager_kms,
MetaOutput *output)
{
if (!output->crtc)
return;
MetaCRTC *crtc = output->crtc;
MetaCRTCKms *crtc_kms = crtc->driver_private;
if (!crtc_kms->underscan_prop_id)
return;
if (output->is_underscanning)
{
drmModeObjectSetProperty (manager_kms->fd, crtc->crtc_id,
DRM_MODE_OBJECT_CRTC,
crtc_kms->underscan_prop_id, (uint64_t) 1);
if (crtc_kms->underscan_hborder_prop_id)
{
uint64_t value = crtc->current_mode->width * 0.05;
drmModeObjectSetProperty (manager_kms->fd, crtc->crtc_id,
DRM_MODE_OBJECT_CRTC,
crtc_kms->underscan_hborder_prop_id, value);
}
if (crtc_kms->underscan_vborder_prop_id)
{
uint64_t value = crtc->current_mode->height * 0.05;
drmModeObjectSetProperty (manager_kms->fd, crtc->crtc_id,
DRM_MODE_OBJECT_CRTC,
crtc_kms->underscan_vborder_prop_id, value);
}
}
else
{
drmModeObjectSetProperty (manager_kms->fd, crtc->crtc_id,
DRM_MODE_OBJECT_CRTC,
crtc_kms->underscan_prop_id, (uint64_t) 0);
}
}
static void
meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager,
MetaCRTCInfo **crtcs,
@ -755,6 +839,7 @@ meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager,
MetaOutputInfo **outputs,
unsigned int n_outputs)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
ClutterBackend *backend;
CoglContext *cogl_context;
CoglDisplay *cogl_display;
@ -900,6 +985,9 @@ meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager,
output->is_primary = output_info->is_primary;
output->is_presentation = output_info->is_presentation;
output->is_underscanning = output_info->is_underscanning;
set_underscan (manager_kms, output);
}
/* Disable outputs not mentioned in the list */