diff options
Diffstat (limited to 'src/backends/native/meta-monitor-manager-kms.c')
| -rw-r--r-- | src/backends/native/meta-monitor-manager-kms.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/backends/native/meta-monitor-manager-kms.c b/src/backends/native/meta-monitor-manager-kms.c index 1a2338db9..f708f0dd7 100644 --- a/src/backends/native/meta-monitor-manager-kms.c +++ b/src/backends/native/meta-monitor-manager-kms.c @@ -42,6 +42,8 @@ #include <gudev/gudev.h> +#define ALL_TRANSFORMS (META_MONITOR_TRANSFORM_FLIPPED_270 + 1) + typedef struct { drmModeConnector *connector; @@ -66,6 +68,9 @@ typedef struct { uint32_t underscan_prop_id; uint32_t underscan_hborder_prop_id; uint32_t underscan_vborder_prop_id; + uint32_t primary_plane_id; + uint32_t rotation_prop_id; + uint32_t rotation_map[ALL_TRANSFORMS]; } MetaCRTCKms; struct _MetaMonitorManagerKms @@ -429,6 +434,135 @@ get_output_scale (MetaMonitorManager *manager, return compute_scale (output); } +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 +parse_transforms (MetaMonitorManager *manager, + drmModePropertyPtr prop, + MetaCRTC *crtc) +{ + MetaCRTCKms *crtc_kms = crtc->driver_private; + int i; + + for (i = 0; i < prop->count_enums; i++) + { + int cur = -1; + + if (strcmp (prop->enums[i].name, "rotate-0") == 0) + cur = META_MONITOR_TRANSFORM_NORMAL; + else if (strcmp (prop->enums[i].name, "rotate-90") == 0) + cur = META_MONITOR_TRANSFORM_90; + else if (strcmp (prop->enums[i].name, "rotate-180") == 0) + cur = META_MONITOR_TRANSFORM_180; + else if (strcmp (prop->enums[i].name, "rotate-270") == 0) + cur = META_MONITOR_TRANSFORM_270; + + if (cur != -1) + { + crtc->all_transforms |= 1 << cur; + crtc_kms->rotation_map[cur] = 1 << prop->enums[i].value; + } + } +} + +static gboolean +is_primary_plane (MetaMonitorManager *manager, + drmModeObjectPropertiesPtr props) +{ + drmModePropertyPtr prop; + int idx; + + idx = find_property_index (manager, props, "type", &prop); + if (idx < 0) + return FALSE; + + drmModeFreeProperty (prop); + return props->prop_values[idx] == DRM_PLANE_TYPE_PRIMARY; +} + +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); + } +} + static void meta_monitor_manager_kms_read_current (MetaMonitorManager *manager) { @@ -556,6 +690,7 @@ meta_monitor_manager_kms_read_current (MetaMonitorManager *manager) meta_crtc->driver_private = g_new0 (MetaCRTCKms, 1); meta_crtc->driver_notify = (GDestroyNotify) meta_crtc_destroy_notify; find_crtc_properties (manager_kms, meta_crtc); + init_crtc_rotations (manager, meta_crtc, i); drmModeFreeCrtc (crtc); } @@ -938,6 +1073,7 @@ meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager, { MetaCRTCInfo *crtc_info = crtcs[i]; MetaCRTC *crtc = crtc_info->crtc; + MetaCRTCKms *crtc_kms = crtc->driver_private; CoglKmsCrtc *cogl_crtc; crtc->is_dirty = TRUE; @@ -1010,6 +1146,13 @@ meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager, crtc->current_mode = mode; crtc->transform = crtc_info->transform; } + + if (crtc->all_transforms & (1 << crtc->transform)) + drmModeObjectSetProperty (manager_kms->fd, + crtc_kms->primary_plane_id, + DRM_MODE_OBJECT_PLANE, + crtc_kms->rotation_prop_id, + crtc_kms->rotation_map[crtc->transform]); } /* Disable CRTCs not mentioned in the list (they have is_dirty == FALSE, @@ -1162,6 +1305,8 @@ meta_monitor_manager_kms_init (MetaMonitorManagerKms *manager_kms) manager_kms->fd = cogl_kms_renderer_get_kms_fd (cogl_renderer); + drmSetClientCap (manager_kms->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1); + const char *subsystems[2] = { "drm", NULL }; manager_kms->udev = g_udev_client_new (subsystems); g_signal_connect (manager_kms->udev, "uevent", |