--- /dev/null
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <drm_fourcc.h>
+#include <tdm_helper.h>
+#include "tdm_drm.h"
+
+#define MIN_WIDTH 32
+
+typedef struct _tdm_drm_output_data tdm_drm_output_data;
+typedef struct _tdm_drm_layer_data tdm_drm_layer_data;
+typedef struct _tdm_drm_vblank_data tdm_drm_vblank_data;
+
+typedef enum
+{
+ VBLANK_TYPE_WAIT,
+ VBLANK_TYPE_COMMIT,
+} vblank_type;
+
+typedef struct _tdm_drm_display_buffer
+{
+ struct list_head link;
+
+ unsigned int fb_id;
+ tdm_buffer *buffer;
+ int width;
+} tdm_drm_display_buffer;
+
+struct _tdm_drm_vblank_data
+{
+ vblank_type type;
+ tdm_drm_output_data *output_data;
+ void *user_data;
+};
+
+struct _tdm_drm_output_data
+{
+ struct list_head link;
+
+ /* data which are fixed at initializing */
+ tdm_drm_data *drm_data;
+ uint32_t connector_id;
+ uint32_t encoder_id;
+ uint32_t crtc_id;
+ uint32_t pipe;
+ uint32_t dpms_prop_id;
+ int count_modes;
+ drmModeModeInfoPtr drm_modes;
+ tdm_output_mode *output_modes;
+ tdm_output_type connector_type;
+ unsigned int connector_type_id;
+ struct list_head layer_list;
+ tdm_drm_layer_data *primary_layer;
+
+ /* not fixed data below */
+ tdm_output_vblank_handler vblank_func;
+ tdm_output_commit_handler commit_func;
+
+ tdm_output_conn_status status;
+
+ int mode_changed;
+ tdm_output_mode *current_mode;
+
+ int waiting_vblank_event;
+};
+
+struct _tdm_drm_layer_data
+{
+ struct list_head link;
+
+ /* data which are fixed at initializing */
+ tdm_drm_data *drm_data;
+ tdm_drm_output_data *output_data;
+ uint32_t plane_id;
+ tdm_layer_capability capabilities;
+ int zpos;
+
+ /* not fixed data below */
+ tdm_info_layer info;
+ int info_changed;
+
+ tdm_drm_display_buffer *display_buffer;
+ int display_buffer_changed;
+};
+
+typedef struct _Drm_Event_Context
+{
+ void (*vblank_handler)(int fd, unsigned int sequence, unsigned int tv_sec,
+ unsigned int tv_usec, void *user_data);
+} Drm_Event_Context;
+
+static drmModeModeInfoPtr
+_tdm_drm_display_get_mode(tdm_drm_output_data *output_data)
+{
+ int i;
+
+ if (!output_data->current_mode)
+ {
+ TDM_ERR("no output_data->current_mode");
+ return NULL;
+ }
+
+ for (i = 0; i < output_data->count_modes; i++)
+ {
+ drmModeModeInfoPtr drm_mode = &output_data->drm_modes[i];
+ if ((drm_mode->hdisplay == output_data->current_mode->width) &&
+ (drm_mode->vdisplay == output_data->current_mode->height) &&
+ (drm_mode->vrefresh == output_data->current_mode->refresh) &&
+ (drm_mode->flags == output_data->current_mode->flags) &&
+ (drm_mode->type == output_data->current_mode->type) &&
+ !(strncmp(drm_mode->name, output_data->current_mode->name, TDM_NAME_LEN)))
+ return drm_mode;
+ }
+
+ return NULL;
+}
+
+static tdm_drm_display_buffer*
+_tdm_drm_display_find_buffer(tdm_drm_data *drm_data, tdm_buffer *buffer)
+{
+ tdm_drm_display_buffer *display_buffer;
+
+ LIST_FOR_EACH_ENTRY(display_buffer, &drm_data->buffer_list, link)
+ {
+ if (display_buffer->buffer == buffer)
+ return display_buffer;
+ }
+
+ return NULL;
+}
+
+static void
+_tdm_drm_display_to_tdm_mode(drmModeModeInfoPtr drm_mode, tdm_output_mode *tdm_mode)
+{
+ tdm_mode->width = drm_mode->hdisplay;
+ tdm_mode->height = drm_mode->vdisplay;
+ tdm_mode->refresh = drm_mode->vrefresh;
+ tdm_mode->flags = drm_mode->flags;
+ tdm_mode->type = drm_mode->type;
+ snprintf(tdm_mode->name, TDM_NAME_LEN, "%s", drm_mode->name);
+}
+
+static tdm_error
+_tdm_drm_display_get_cur_msc (int fd, int pipe, uint *msc)
+{
+ drmVBlank vbl;
+
+ vbl.request.type = DRM_VBLANK_RELATIVE;
+ if (pipe > 0)
+ vbl.request.type |= DRM_VBLANK_SECONDARY;
+
+ vbl.request.sequence = 0;
+ if (drmWaitVBlank(fd, &vbl))
+ {
+ TDM_ERR("get vblank counter failed: %m");
+ *msc = 0;
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ *msc = vbl.reply.sequence;
+
+ return TDM_ERROR_NONE;
+}
+
+static tdm_error
+_tdm_drm_display_wait_vblank(int fd, int pipe, uint *target_msc, void *data)
+{
+ drmVBlank vbl;
+
+ vbl.request.type = DRM_VBLANK_ABSOLUTE | DRM_VBLANK_EVENT;
+ if (pipe > 0)
+ vbl.request.type |= DRM_VBLANK_SECONDARY;
+
+ vbl.request.sequence = *target_msc;
+ vbl.request.signal = (unsigned long)(uintptr_t)data;
+
+ if (drmWaitVBlank(fd, &vbl))
+ {
+ *target_msc = 0;
+ TDM_ERR("wait vblank failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ *target_msc = vbl.reply.sequence;
+
+ return TDM_ERROR_NONE;
+}
+
+static tdm_error
+_tdm_drm_display_commit_primary_layer(tdm_drm_layer_data *layer_data)
+{
+ tdm_drm_data *drm_data = layer_data->drm_data;
+ tdm_drm_output_data *output_data = layer_data->output_data;
+
+ if (output_data->mode_changed && layer_data->display_buffer_changed)
+ {
+ drmModeModeInfoPtr mode;
+
+ if (!layer_data->display_buffer)
+ {
+ TDM_ERR("primary layer should have a buffer for modestting");
+ return TDM_ERROR_BAD_REQUEST;
+ }
+
+ output_data->mode_changed = 0;
+ layer_data->display_buffer_changed = 0;
+ layer_data->info_changed = 0;
+
+ mode = _tdm_drm_display_get_mode(output_data);
+ if (!mode)
+ {
+ TDM_ERR("couldn't find proper mode");
+ return TDM_ERROR_BAD_REQUEST;
+ }
+
+ if (drmModeSetCrtc(drm_data->drm_fd, output_data->crtc_id,
+ layer_data->display_buffer->fb_id, 0, 0,
+ &output_data->connector_id, 1, mode))
+ {
+ TDM_ERR("set crtc failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ return TDM_ERROR_NONE;
+ }
+ else if (layer_data->display_buffer_changed)
+ {
+ layer_data->display_buffer_changed = 0;
+
+ if (!layer_data->display_buffer)
+ {
+ if (drmModeSetCrtc(drm_data->drm_fd, output_data->crtc_id,
+ 0, 0, 0, NULL, 0, NULL))
+ {
+ TDM_ERR("unset crtc failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+ }
+ else
+ {
+ if (drmModePageFlip(drm_data->drm_fd, output_data->crtc_id,
+ layer_data->display_buffer->fb_id, DRM_MODE_PAGE_FLIP_EVENT, layer_data->display_buffer))
+ {
+ TDM_ERR("pageflip failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+ }
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+static tdm_error
+_tdm_drm_display_commit_layer(tdm_drm_layer_data *layer_data)
+{
+ tdm_drm_data *drm_data = layer_data->drm_data;
+ tdm_drm_output_data *output_data = layer_data->output_data;
+ uint32_t fx, fy, fw, fh;
+ int crtc_w;
+
+ if (!layer_data->display_buffer_changed && !layer_data->info_changed)
+ return TDM_ERROR_NONE;
+
+ if (output_data->current_mode)
+ crtc_w = output_data->current_mode->width;
+ else
+ {
+ drmModeCrtcPtr crtc = drmModeGetCrtc(drm_data->drm_fd, output_data->crtc_id);
+ if (!crtc)
+ {
+ TDM_ERR("getting crtc failed");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+ crtc_w = crtc->width;
+ if (crtc_w == 0)
+ {
+ TDM_ERR("getting crtc width failed");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+ }
+
+ layer_data->display_buffer_changed = 0;
+ layer_data->info_changed = 0;
+
+ if (!layer_data->display_buffer)
+ {
+ if (drmModeSetPlane(drm_data->drm_fd, layer_data->plane_id,
+ output_data->crtc_id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0))
+ TDM_ERR("unset plane(%d) filed: %m", layer_data->plane_id);
+
+ return TDM_ERROR_NONE;
+ }
+
+ /* Source values are 16.16 fixed point */
+ fx = ((unsigned int)layer_data->info.src_config.pos.x) << 16;
+ fy = ((unsigned int)layer_data->info.src_config.pos.y) << 16;
+ fw = ((unsigned int)layer_data->info.src_config.pos.w) << 16;
+ fh = ((unsigned int)layer_data->info.src_config.pos.h) << 16;
+
+ if (drmModeSetPlane(drm_data->drm_fd, layer_data->plane_id,
+ output_data->crtc_id, layer_data->display_buffer->fb_id, 0,
+ layer_data->info.dst_pos.x, layer_data->info.dst_pos.y,
+ layer_data->info.dst_pos.w, layer_data->info.dst_pos.h,
+ fx, fy, fw, fh) < 0)
+ {
+ TDM_ERR("set plane(%d) failed: %m", layer_data->plane_id);
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+static void
+_tdm_drm_display_cb_vblank(int fd, unsigned int sequence,
+ unsigned int tv_sec, unsigned int tv_usec,
+ void *user_data)
+{
+ tdm_drm_vblank_data *vblank_data = user_data;
+ tdm_drm_output_data *output_data;
+
+ if (!vblank_data)
+ {
+ TDM_ERR("no vblank data");
+ return;
+ }
+
+ output_data = vblank_data->output_data;
+
+ switch(vblank_data->type)
+ {
+ case VBLANK_TYPE_WAIT:
+ if (output_data->vblank_func)
+ output_data->vblank_func(output_data, sequence, tv_sec, tv_usec, vblank_data->user_data);
+ break;
+ case VBLANK_TYPE_COMMIT:
+ if (output_data->commit_func)
+ output_data->commit_func(output_data, sequence, tv_sec, tv_usec, vblank_data->user_data);
+ break;
+ default:
+ return;
+ }
+}
+
+static int
+_tdm_drm_display_events_handle(int fd, Drm_Event_Context *evctx)
+{
+#define MAX_BUF_SIZE 1024
+
+ char buffer[MAX_BUF_SIZE];
+ unsigned int len, i;
+ struct drm_event *e;
+
+ /* The DRM read semantics guarantees that we always get only
+ * complete events. */
+ len = read(fd, buffer, sizeof buffer);
+ if (len == 0)
+ {
+ TDM_WRN("warning: the size of the drm_event is 0.");
+ return 0;
+ }
+ if (len < sizeof *e)
+ {
+ TDM_WRN("warning: the size of the drm_event is less than drm_event structure.");
+ return -1;
+ }
+ if (len > MAX_BUF_SIZE)
+ {
+ TDM_WRN("warning: the size of the drm_event can be over the maximum size.");
+ return -1;
+ }
+
+ i = 0;
+ while (i < len)
+ {
+ e = (struct drm_event *) &buffer[i];
+ switch (e->type)
+ {
+ case DRM_EVENT_VBLANK:
+ {
+ struct drm_event_vblank *vblank;
+
+ if (evctx->vblank_handler == NULL)
+ break;
+
+ vblank = (struct drm_event_vblank *)e;
+ TDM_DBG("******* VBLANK *******");
+ evctx->vblank_handler (fd, vblank->sequence,
+ vblank->tv_sec, vblank->tv_usec,
+ (void *)((unsigned long)vblank->user_data));
+ TDM_DBG("******* VBLANK *******...");
+ }
+ break;
+ case DRM_EVENT_FLIP_COMPLETE:
+ /* do nothing for flip complete */
+ break;
+ default:
+ break;
+ }
+ i += e->length;
+ }
+
+ return 0;
+}
+
+static tdm_error
+_tdm_drm_display_create_layer_list(tdm_drm_data *drm_data)
+{
+ int i;
+
+ if (drm_data->plane_res->count_planes == 0)
+ {
+ TDM_ERR("no layer error");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ for (i = 0; i < drm_data->plane_res->count_planes; i++)
+ {
+ tdm_drm_output_data *output_data;
+ tdm_drm_layer_data *layer_data;
+ drmModePlanePtr plane;
+
+ if (i == 3)
+ {
+ TDM_DBG("doesn't need more layer set");
+ break;
+ }
+
+ LIST_FOR_EACH_ENTRY(output_data, &drm_data->output_list, link)
+ {
+ if (output_data->pipe == 0)
+ break;
+ }
+
+ plane = drmModeGetPlane(drm_data->drm_fd, drm_data->plane_res->planes[i]);
+ if (!plane)
+ {
+ TDM_ERR("no plane");
+ continue;
+ }
+
+ layer_data = calloc(1, sizeof(tdm_drm_layer_data));
+ if (!layer_data)
+ {
+ TDM_ERR("alloc failed");
+ drmModeFreePlane(plane);
+ continue;
+ }
+
+ layer_data->drm_data = drm_data;
+ layer_data->output_data = output_data;
+ layer_data->plane_id = drm_data->plane_res->planes[i];
+
+ if (drm_data->plane_res->count_planes == 1)
+ {
+ layer_data->capabilities = TDM_LAYER_CAPABILITY_PRIMARY | TDM_LAYER_CAPABILITY_GRAPHIC;
+ output_data->primary_layer = layer_data;
+ }
+ else if (drm_data->plane_res->count_planes == 2)
+ {
+ if (i == 0)
+ {
+ layer_data->capabilities = TDM_LAYER_CAPABILITY_PRIMARY | TDM_LAYER_CAPABILITY_GRAPHIC;
+ output_data->primary_layer = layer_data;
+ }
+ else
+ {
+ layer_data->capabilities = TDM_LAYER_CAPABILITY_OVERLAY | TDM_LAYER_CAPABILITY_GRAPHIC;
+ }
+ }
+ else
+ {
+ if (i == 0)
+ {
+ layer_data->capabilities = TDM_LAYER_CAPABILITY_CURSOR | TDM_LAYER_CAPABILITY_GRAPHIC;
+ }
+ else if (i == 1)
+ {
+ layer_data->capabilities = TDM_LAYER_CAPABILITY_PRIMARY | TDM_LAYER_CAPABILITY_GRAPHIC;
+ output_data->primary_layer = layer_data;
+ }
+ else
+ {
+ layer_data->capabilities = TDM_LAYER_CAPABILITY_OVERLAY | TDM_LAYER_CAPABILITY_GRAPHIC;
+ }
+ }
+
+ TDM_DBG("layer_data(%p) plane_id(%d) crtc_id(%d) capabilities(%x)",
+ layer_data, layer_data->plane_id, layer_data->output_data->crtc_id,
+ layer_data->capabilities);
+
+ LIST_ADDTAIL(&layer_data->link, &output_data->layer_list);
+
+ drmModeFreePlane(plane);
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+static void
+_tdm_drm_display_cb_destroy_buffer(tdm_buffer *buffer, void *user_data)
+{
+ tdm_drm_data *drm_data;
+ tdm_drm_display_buffer *display_buffer;
+ int ret;
+
+ if (!user_data)
+ {
+ TDM_ERR("no user_data");
+ return;
+ }
+ if (!buffer)
+ {
+ TDM_ERR("no buffer");
+ return;
+ }
+
+ drm_data = (tdm_drm_data *)user_data;
+
+ display_buffer = _tdm_drm_display_find_buffer(drm_data, buffer);
+ if (!display_buffer)
+ {
+ TDM_ERR("no display_buffer");
+ return;
+ }
+ LIST_DEL(&display_buffer->link);
+
+ if (display_buffer->fb_id > 0)
+ {
+ ret = drmModeRmFB(drm_data->drm_fd, display_buffer->fb_id);
+ if (ret < 0)
+ {
+ TDM_ERR("rm fb failed");
+ return;
+ }
+ TDM_DBG("drmModeRmFB success!!! fb_id:%d", display_buffer->fb_id);
+ }
+ else
+ TDM_DBG("drmModeRmFB not called fb_id:%d", display_buffer->fb_id);
+
+ free(display_buffer);
+}
+
+tdm_error
+tdm_drm_display_create_layer_list(tdm_drm_data *drm_data)
+{
+ tdm_drm_output_data *output_data;
+ tdm_error ret;
+
+ ret = _tdm_drm_display_create_layer_list(drm_data);
+ if (ret != TDM_ERROR_NONE)
+ return ret;
+
+ LIST_FOR_EACH_ENTRY(output_data, &drm_data->output_list, link)
+ {
+ if (!output_data->primary_layer)
+ {
+ TDM_ERR("output(%d) no primary layer", output_data->pipe);
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+void
+tdm_drm_display_destroy_output_list(tdm_drm_data *drm_data)
+{
+ tdm_drm_output_data *o = NULL, *oo = NULL;
+
+ if (LIST_IS_EMPTY(&drm_data->output_list))
+ return;
+
+ LIST_FOR_EACH_ENTRY_SAFE(o, oo, &drm_data->output_list, link)
+ {
+ LIST_DEL(&o->link);
+ if (!LIST_IS_EMPTY(&o->layer_list))
+ {
+ tdm_drm_layer_data *l = NULL, *ll = NULL;
+ LIST_FOR_EACH_ENTRY_SAFE(l, ll, &o->layer_list, link)
+ {
+ LIST_DEL(&l->link);
+ free(l);
+ }
+ }
+ free(o->drm_modes);
+ free(o->output_modes);
+ free(o);
+ }
+}
+
+tdm_error
+tdm_drm_display_create_output_list(tdm_drm_data *drm_data)
+{
+ tdm_drm_output_data *output_data;
+ int i;
+ tdm_error ret;
+ int allocated = 0;
+
+ RETURN_VAL_IF_FAIL(LIST_IS_EMPTY(&drm_data->output_list), TDM_ERROR_OPERATION_FAILED);
+
+ for (i = 0; i < drm_data->mode_res->count_connectors; i++)
+ {
+ drmModeConnectorPtr connector;
+ drmModeEncoderPtr encoder;
+ int crtc_id = 0, c, j;
+
+ connector = drmModeGetConnector(drm_data->drm_fd, drm_data->mode_res->connectors[i]);
+ if (!connector)
+ {
+ TDM_ERR("no connector");
+ ret = TDM_ERROR_OPERATION_FAILED;
+ goto failed_create;
+ }
+
+ if (connector->count_encoders != 1)
+ {
+ TDM_ERR("too many encoders: %d", connector->count_encoders);
+ drmModeFreeConnector(connector);
+ ret = TDM_ERROR_OPERATION_FAILED;
+ goto failed_create;
+ }
+
+ encoder = drmModeGetEncoder(drm_data->drm_fd, connector->encoders[0]);
+ if (!encoder)
+ {
+ TDM_ERR("no encoder");
+ drmModeFreeConnector(connector);
+ ret = TDM_ERROR_OPERATION_FAILED;
+ goto failed_create;
+ }
+
+ for (c = 0; c < drm_data->mode_res->count_crtcs; c++)
+ {
+ if (allocated & (1 << c))
+ continue;
+
+ if ((encoder->possible_crtcs & (1 << c)) == 0)
+ continue;
+
+ crtc_id = drm_data->mode_res->crtcs[c];
+ allocated |= (1 << c);
+ break;
+ }
+
+ if (crtc_id == 0)
+ {
+ TDM_ERR("no possible crtc");
+ drmModeFreeConnector(connector);
+ ret = TDM_ERROR_OPERATION_FAILED;
+ goto failed_create;
+ }
+
+ output_data = calloc(1, sizeof(tdm_drm_output_data));
+ if (!output_data)
+ {
+ TDM_ERR("alloc failed");
+ drmModeFreeConnector(connector);
+ drmModeFreeEncoder(encoder);
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ goto failed_create;
+ }
+
+ LIST_INITHEAD(&output_data->layer_list);
+
+ output_data->drm_data = drm_data;
+ output_data->connector_id = drm_data->mode_res->connectors[i];
+ output_data->encoder_id = encoder->encoder_id;
+ output_data->crtc_id = crtc_id;
+ output_data->pipe = c;
+ output_data->connector_type = connector->connector_type;
+ output_data->connector_type_id = connector->connector_type_id;
+
+ if (connector->connection == DRM_MODE_CONNECTED)
+ output_data->status = TDM_OUTPUT_CONN_STATUS_CONNECTED;
+ else
+ output_data->status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
+
+ for (j = 0; j < connector->count_props; j++)
+ {
+ drmModePropertyPtr prop = drmModeGetProperty(drm_data->drm_fd, connector->props[i]);
+ if (!prop)
+ continue;
+ if (!strcmp(prop->name, "DPMS"))
+ {
+ output_data->dpms_prop_id = connector->props[i];
+ drmModeFreeProperty(prop);
+ break;
+ }
+ drmModeFreeProperty(prop);
+ }
+
+ output_data->count_modes = connector->count_modes;
+ output_data->drm_modes = calloc(connector->count_modes, sizeof(drmModeModeInfo));
+ if (!output_data->drm_modes)
+ {
+ TDM_ERR("alloc failed");
+ free(output_data);
+ drmModeFreeConnector(connector);
+ drmModeFreeEncoder(encoder);
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ goto failed_create;
+ }
+ output_data->output_modes = calloc(connector->count_modes, sizeof(tdm_output_mode));
+ if (!output_data->output_modes)
+ {
+ TDM_ERR("alloc failed");
+ free(output_data);
+ free(output_data->drm_modes);
+ drmModeFreeConnector(connector);
+ drmModeFreeEncoder(encoder);
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ goto failed_create;
+ }
+ for (j = 0; j < connector->count_modes; j++)
+ {
+ output_data->drm_modes[j] = connector->modes[j];
+ _tdm_drm_display_to_tdm_mode(&output_data->drm_modes[j], &output_data->output_modes[j]);
+ }
+
+ LIST_ADDTAIL(&output_data->link, &drm_data->output_list);
+
+ TDM_DBG("output_data(%p) connector_id(%d:%d:%d-%d) encoder_id(%d) crtc_id(%d) pipe(%d) dpms_id(%d)",
+ output_data, output_data->connector_id, output_data->status, output_data->connector_type,
+ output_data->connector_type_id, output_data->encoder_id, output_data->crtc_id,
+ output_data->pipe, output_data->dpms_prop_id);
+
+ drmModeFreeEncoder(encoder);
+ drmModeFreeConnector(connector);
+ }
+
+ TDM_DBG("output count: %d", drm_data->mode_res->count_connectors);
+
+ return TDM_ERROR_NONE;
+failed_create:
+ tdm_drm_display_destroy_output_list(drm_data);
+ return ret;
+}
+
+tdm_error
+drm_display_get_capabilitiy(tdm_backend_data *bdata, tdm_caps_display *caps)
+{
+ RETURN_VAL_IF_FAIL(caps, TDM_ERROR_INVALID_PARAMETER);
+
+ caps->max_layer_count = -1; /* not defined */
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_output**
+drm_display_get_outputs(tdm_backend_data *bdata, int *count, tdm_error *error)
+{
+ tdm_drm_data *drm_data = bdata;
+ tdm_drm_output_data *output_data;
+ tdm_output **outputs;
+ tdm_error ret;
+ int i;
+
+ RETURN_VAL_IF_FAIL(drm_data, NULL);
+ RETURN_VAL_IF_FAIL(count, NULL);
+
+ *count = 0;
+ LIST_FOR_EACH_ENTRY(output_data, &drm_data->output_list, link)
+ (*count)++;
+
+ if (*count == 0)
+ {
+ ret = TDM_ERROR_NONE;
+ goto failed_get;
+ }
+
+ /* will be freed in frontend */
+ outputs = calloc(*count, sizeof(tdm_drm_output_data*));
+ if (!outputs)
+ {
+ TDM_ERR("failed: alloc memory");
+ *count = 0;
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ goto failed_get;
+ }
+
+ i = 0;
+ LIST_FOR_EACH_ENTRY(output_data, &drm_data->output_list, link)
+ outputs[i++] = output_data;
+
+ if (error)
+ *error = TDM_ERROR_NONE;
+
+ return outputs;
+failed_get:
+ if (error)
+ *error = ret;
+ return NULL;
+}
+
+tdm_error
+drm_display_get_fd(tdm_backend_data *bdata, int *fd)
+{
+ tdm_drm_data *drm_data = bdata;
+
+ RETURN_VAL_IF_FAIL(drm_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(fd, TDM_ERROR_INVALID_PARAMETER);
+
+ *fd = drm_data->drm_fd;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_display_handle_events(tdm_backend_data *bdata)
+{
+ tdm_drm_data *drm_data = bdata;
+ Drm_Event_Context ctx;
+
+ RETURN_VAL_IF_FAIL(drm_data, TDM_ERROR_INVALID_PARAMETER);
+
+ memset(&ctx, 0, sizeof(Drm_Event_Context));
+
+ ctx.vblank_handler = _tdm_drm_display_cb_vblank;
+
+ _tdm_drm_display_events_handle(drm_data->drm_fd, &ctx);
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_get_capability(tdm_output *output, tdm_caps_output *caps)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_data *drm_data;
+ drmModeConnectorPtr connector = NULL;
+ drmModeCrtcPtr crtc = NULL;
+ drmModeObjectPropertiesPtr props = NULL;
+ int i;
+ tdm_error ret;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(caps, TDM_ERROR_INVALID_PARAMETER);
+
+ memset(caps, 0, sizeof(tdm_caps_output));
+
+ drm_data = output_data->drm_data;
+
+ caps->status = output_data->status;
+ caps->type = output_data->connector_type;
+ caps->type_id = output_data->connector_type_id;
+
+ connector = drmModeGetConnector(drm_data->drm_fd, output_data->connector_id);
+ RETURN_VAL_IF_FAIL(connector, TDM_ERROR_OPERATION_FAILED);
+
+ caps->mode_count = connector->count_modes;
+ caps->modes = calloc(1, sizeof(tdm_output_mode) * caps->mode_count);
+ if (!caps->modes)
+ {
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ TDM_ERR("alloc failed\n");
+ goto failed_get;
+ }
+ for (i = 0; i < caps->mode_count; i++)
+ caps->modes[i] = output_data->output_modes[i];
+
+ caps->mmWidth = connector->mmWidth;
+ caps->mmHeight = connector->mmHeight;
+ caps->subpixel = connector->subpixel;
+
+ caps->min_w = drm_data->mode_res->min_width;
+ caps->min_h = drm_data->mode_res->min_height;
+ caps->max_w = drm_data->mode_res->max_width;
+ caps->max_h = drm_data->mode_res->max_height;
+ caps->preferred_align = -1;
+
+ crtc = drmModeGetCrtc(drm_data->drm_fd, output_data->crtc_id);
+ if (!crtc)
+ {
+ ret = TDM_ERROR_OPERATION_FAILED;
+ TDM_ERR("get crtc failed: %m\n");
+ goto failed_get;
+ }
+
+ props = drmModeObjectGetProperties(drm_data->drm_fd, output_data->crtc_id, DRM_MODE_OBJECT_CRTC);
+ if (!props)
+ {
+ ret = TDM_ERROR_OPERATION_FAILED;
+ TDM_ERR("get crtc properties failed: %m\n");
+ goto failed_get;
+ }
+
+ caps->prop_count = props->count_props;
+ caps->props = calloc(1, sizeof(tdm_prop) * caps->prop_count);
+ if (!caps->props)
+ {
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ TDM_ERR("alloc failed\n");
+ goto failed_get;
+ }
+
+ for (i = 0; i < caps->prop_count; i++)
+ {
+ drmModePropertyPtr prop = drmModeGetProperty(drm_data->drm_fd, props->props[i]);
+ if (!prop)
+ continue;
+ snprintf(caps->props[i].name, TDM_NAME_LEN, "%s", prop->name);
+ caps->props[i].id = props->props[i];
+ drmModeFreeProperty(prop);
+ }
+
+ drmModeFreeObjectProperties(props);
+ drmModeFreeCrtc(crtc);
+ drmModeFreeConnector(connector);
+
+ return TDM_ERROR_NONE;
+failed_get:
+ drmModeFreeCrtc(crtc);
+ drmModeFreeObjectProperties(props);
+ drmModeFreeConnector(connector);
+ free(caps->modes);
+ free(caps->props);
+ memset(caps, 0, sizeof(tdm_caps_output));
+ return ret;
+}
+
+tdm_layer**
+drm_output_get_layers(tdm_output *output, int *count, tdm_error *error)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_layer_data *layer_data;
+ tdm_layer **layers;
+ tdm_error ret;
+ int i;
+
+ RETURN_VAL_IF_FAIL(output_data, NULL);
+ RETURN_VAL_IF_FAIL(count, NULL);
+
+ *count = 0;
+ LIST_FOR_EACH_ENTRY(layer_data, &output_data->layer_list, link)
+ (*count)++;
+
+ if (*count == 0)
+ {
+ ret = TDM_ERROR_NONE;
+ goto failed_get;
+ }
+
+ /* will be freed in frontend */
+ layers = calloc(*count, sizeof(tdm_drm_layer_data*));
+ if (!layers)
+ {
+ TDM_ERR("failed: alloc memory");
+ *count = 0;
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ goto failed_get;
+ }
+
+ i = 0;
+ LIST_FOR_EACH_ENTRY(layer_data, &output_data->layer_list, link)
+ layers[i++] = layer_data;
+
+ if (error)
+ *error = TDM_ERROR_NONE;
+
+ return layers;
+failed_get:
+ if (error)
+ *error = ret;
+ return NULL;
+}
+
+tdm_error
+drm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_data *drm_data;
+ int ret;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(output_data->crtc_id > 0, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = output_data->drm_data;
+ ret = drmModeObjectSetProperty(drm_data->drm_fd,
+ output_data->crtc_id, DRM_MODE_OBJECT_CRTC,
+ id, value.u32);
+ if (ret < 0)
+ {
+ TDM_ERR("set property failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_data *drm_data;
+ drmModeObjectPropertiesPtr props;
+ int i;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(output_data->crtc_id > 0, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(value, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = output_data->drm_data;
+ props = drmModeObjectGetProperties(drm_data->drm_fd, output_data->crtc_id, DRM_MODE_OBJECT_CRTC);
+ if (props == NULL)
+ {
+ TDM_ERR("get property failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ for (i = 0; i < props->count_props; i++)
+ if (props->props[i] == id)
+ {
+ (*value).u32 = (uint)props->prop_values[i];
+ break;
+ }
+
+ drmModeFreeObjectProperties(props);
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_wait_vblank(tdm_output *output, int interval, int sync, void *user_data)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_data *drm_data;
+ tdm_drm_vblank_data *vblank_data;
+ uint target_msc;
+ tdm_error ret;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+
+ vblank_data = calloc(1, sizeof(tdm_drm_vblank_data));
+ if (!vblank_data)
+ {
+ TDM_ERR("alloc failed");
+ return TDM_ERROR_OUT_OF_MEMORY;
+ }
+
+ drm_data = output_data->drm_data;
+
+ ret = _tdm_drm_display_get_cur_msc(drm_data->drm_fd, output_data->pipe, &target_msc);
+ if (ret != TDM_ERROR_NONE)
+ goto failed_vblank;
+
+ target_msc++;
+
+ vblank_data->type = VBLANK_TYPE_WAIT;
+ vblank_data->output_data = output_data;
+ vblank_data->user_data = user_data;
+
+ ret = _tdm_drm_display_wait_vblank(drm_data->drm_fd, output_data->pipe, &target_msc, vblank_data);
+ if (ret != TDM_ERROR_NONE)
+ goto failed_vblank;
+
+ return TDM_ERROR_NONE;
+failed_vblank:
+ free(vblank_data);
+ return ret;
+}
+
+tdm_error
+drm_output_set_vblank_handler(tdm_output *output, tdm_output_vblank_handler func)
+{
+ tdm_drm_output_data *output_data = output;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(func, TDM_ERROR_INVALID_PARAMETER);
+
+ output_data->vblank_func = func;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_commit(tdm_output *output, int sync, void *user_data)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_data *drm_data;
+ tdm_drm_layer_data *layer_data;
+ tdm_error ret;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = output_data->drm_data;
+
+ LIST_FOR_EACH_ENTRY(layer_data, &output_data->layer_list, link)
+ {
+ if (layer_data == output_data->primary_layer)
+ {
+ ret = _tdm_drm_display_commit_primary_layer(layer_data);
+ if (ret != TDM_ERROR_NONE)
+ return ret;
+ }
+ else
+ {
+ ret = _tdm_drm_display_commit_layer(layer_data);
+ if (ret != TDM_ERROR_NONE)
+ return ret;
+ }
+ }
+
+ if (tdm_helper_drm_fd == -1)
+ {
+ tdm_drm_vblank_data *vblank_data = calloc(1, sizeof(tdm_drm_vblank_data));
+ uint target_msc;
+
+ if (!vblank_data)
+ {
+ TDM_ERR("alloc failed");
+ return TDM_ERROR_OUT_OF_MEMORY;
+ }
+
+ ret = _tdm_drm_display_get_cur_msc(drm_data->drm_fd, output_data->pipe, &target_msc);
+ if (ret != TDM_ERROR_NONE)
+ {
+ free(vblank_data);
+ return ret;
+ }
+
+ target_msc++;
+
+ vblank_data->type = VBLANK_TYPE_COMMIT;
+ vblank_data->output_data = output_data;
+ vblank_data->user_data = user_data;
+
+ ret = _tdm_drm_display_wait_vblank(drm_data->drm_fd, output_data->pipe, &target_msc, vblank_data);
+ if (ret != TDM_ERROR_NONE)
+ {
+ free(vblank_data);
+ return ret;
+ }
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_set_commit_handler(tdm_output *output, tdm_output_commit_handler func)
+{
+ tdm_drm_output_data *output_data = output;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(func, TDM_ERROR_INVALID_PARAMETER);
+
+ output_data->commit_func = func;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_data *drm_data;
+ int ret;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = output_data->drm_data;
+ ret = drmModeObjectSetProperty(drm_data->drm_fd,
+ output_data->connector_id, DRM_MODE_OBJECT_CONNECTOR,
+ output_data->dpms_prop_id, dpms_value);
+ if (ret < 0)
+ {
+ TDM_ERR("set dpms failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
+{
+ tdm_drm_output_data *output_data = output;
+ tdm_drm_data *drm_data;
+ drmModeObjectPropertiesPtr props;
+ int i;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(dpms_value, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = output_data->drm_data;
+ props = drmModeObjectGetProperties(drm_data->drm_fd, output_data->connector_id, DRM_MODE_OBJECT_CONNECTOR);
+ if (props == NULL)
+ {
+ TDM_ERR("get property failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ for (i = 0; i < props->count_props; i++)
+ if (props->props[i] == output_data->dpms_prop_id)
+ {
+ *dpms_value = (uint)props->prop_values[i];
+ break;
+ }
+
+ drmModeFreeObjectProperties(props);
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_set_mode(tdm_output *output, tdm_output_mode *mode)
+{
+ tdm_drm_output_data *output_data = output;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(mode, TDM_ERROR_INVALID_PARAMETER);
+
+ output_data->current_mode = mode;
+ output_data->mode_changed = 1;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
+{
+ tdm_drm_output_data *output_data = output;
+
+ RETURN_VAL_IF_FAIL(output_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(mode, TDM_ERROR_INVALID_PARAMETER);
+
+ *mode = output_data->current_mode;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_layer_get_capability(tdm_layer *layer, tdm_caps_layer *caps)
+{
+ tdm_drm_layer_data *layer_data = layer;
+ tdm_drm_data *drm_data;
+ drmModePlanePtr plane = NULL;
+ drmModeObjectPropertiesPtr props = NULL;
+ int i;
+ tdm_error ret;
+
+ RETURN_VAL_IF_FAIL(layer_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(caps, TDM_ERROR_INVALID_PARAMETER);
+
+ memset(caps, 0, sizeof(tdm_caps_layer));
+
+ drm_data = layer_data->drm_data;
+ plane = drmModeGetPlane(drm_data->drm_fd, layer_data->plane_id);
+ if (!plane)
+ {
+ TDM_ERR("get plane failed: %m");
+ ret = TDM_ERROR_OPERATION_FAILED;
+ goto failed_get;
+ }
+
+ caps->capabilities = layer_data->capabilities;
+ caps->zpos = layer_data->zpos; /* if VIDEO layer, zpos is -1 */
+
+ caps->format_count = plane->count_formats;
+ caps->formats = calloc(1, sizeof(tbm_format) * caps->format_count);
+ if (!caps->formats)
+ {
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ TDM_ERR("alloc failed\n");
+ goto failed_get;
+ }
+
+ for (i = 0; i < caps->format_count; i++)
+ {
+ /* TODO: kernel reports wrong formats */
+ if (plane->formats[i] != DRM_FORMAT_XRGB8888 && plane->formats[i] != DRM_FORMAT_ARGB8888)
+ continue;
+ caps->formats[i] = tdm_drm_format_to_tbm_format(plane->formats[i]);
+ }
+
+ props = drmModeObjectGetProperties(drm_data->drm_fd, layer_data->plane_id, DRM_MODE_OBJECT_PLANE);
+ if (!props)
+ {
+ ret = TDM_ERROR_OPERATION_FAILED;
+ TDM_ERR("get plane properties failed: %m\n");
+ goto failed_get;
+ }
+
+ caps->props = calloc(1, sizeof(tdm_prop) * props->count_props);
+ if (!caps->props)
+ {
+ ret = TDM_ERROR_OUT_OF_MEMORY;
+ TDM_ERR("alloc failed\n");
+ goto failed_get;
+ }
+
+ caps->prop_count = 0;
+ for (i = 0; i < props->count_props; i++)
+ {
+ drmModePropertyPtr prop = drmModeGetProperty(drm_data->drm_fd, props->props[i]);
+ if (!prop)
+ continue;
+ if (!strncmp(prop->name, "type", TDM_NAME_LEN))
+ continue;
+ if (!strncmp(prop->name, "zpos", TDM_NAME_LEN))
+ continue;
+ snprintf(caps->props[i].name, TDM_NAME_LEN, "%s", prop->name);
+ caps->props[i].id = props->props[i];
+ caps->prop_count++;
+ drmModeFreeProperty(prop);
+ }
+
+ drmModeFreeObjectProperties(props);
+ drmModeFreePlane(plane);
+
+ return TDM_ERROR_NONE;
+failed_get:
+ drmModeFreeObjectProperties(props);
+ drmModeFreePlane(plane);
+ free(caps->formats);
+ free(caps->props);
+ memset(caps, 0, sizeof(tdm_caps_layer));
+ return ret;
+}
+
+tdm_error
+drm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value)
+{
+ tdm_drm_layer_data *layer_data = layer;
+ tdm_drm_data *drm_data;
+ int ret;
+
+ RETURN_VAL_IF_FAIL(layer_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(layer_data->plane_id > 0, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = layer_data->drm_data;
+ ret = drmModeObjectSetProperty(drm_data->drm_fd,
+ layer_data->plane_id, DRM_MODE_OBJECT_PLANE,
+ id, value.u32);
+ if (ret < 0)
+ {
+ TDM_ERR("set property failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value)
+{
+ tdm_drm_layer_data *layer_data = layer;
+ tdm_drm_data *drm_data;
+ drmModeObjectPropertiesPtr props;
+ int i;
+
+ RETURN_VAL_IF_FAIL(layer_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(layer_data->plane_id > 0, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(value, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = layer_data->drm_data;
+ props = drmModeObjectGetProperties(drm_data->drm_fd, layer_data->plane_id,
+ DRM_MODE_OBJECT_PLANE);
+ if (props == NULL)
+ {
+ TDM_ERR("get property failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ for (i = 0; i < props->count_props; i++)
+ if (props->props[i] == id)
+ {
+ (*value).u32 = (uint)props->prop_values[i];
+ break;
+ }
+
+ drmModeFreeObjectProperties(props);
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
+{
+ tdm_drm_layer_data *layer_data = layer;
+
+ RETURN_VAL_IF_FAIL(layer_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(info, TDM_ERROR_INVALID_PARAMETER);
+
+ layer_data->info = *info;
+ layer_data->info_changed = 1;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_layer_get_info(tdm_layer *layer, tdm_info_layer *info)
+{
+ tdm_drm_layer_data *layer_data = layer;
+
+ RETURN_VAL_IF_FAIL(layer_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(info, TDM_ERROR_INVALID_PARAMETER);
+
+ *info = layer_data->info;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_layer_set_buffer(tdm_layer *layer, tdm_buffer *buffer)
+{
+ tdm_drm_layer_data *layer_data = layer;
+ tdm_drm_data *drm_data;
+ tdm_drm_display_buffer *display_buffer;
+ tdm_error err = TDM_ERROR_NONE;
+ tbm_surface_h surface;
+ int ret, i, count;
+
+ RETURN_VAL_IF_FAIL(layer_data, TDM_ERROR_INVALID_PARAMETER);
+ RETURN_VAL_IF_FAIL(buffer, TDM_ERROR_INVALID_PARAMETER);
+
+ drm_data = layer_data->drm_data;
+ surface = tdm_buffer_get_surface(buffer);
+
+ display_buffer = _tdm_drm_display_find_buffer(drm_data, buffer);
+ if (!display_buffer)
+ {
+ display_buffer = calloc(1, sizeof(tdm_drm_display_buffer));
+ if (!display_buffer)
+ {
+ TDM_ERR("alloc failed");
+ return TDM_ERROR_OUT_OF_MEMORY;
+ }
+ display_buffer->buffer = buffer;
+
+ err = tdm_buffer_add_destroy_handler(buffer, _tdm_drm_display_cb_destroy_buffer, drm_data);
+ if (err != TDM_ERROR_NONE)
+ {
+ TDM_ERR("add destroy handler fail");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ LIST_ADDTAIL(&display_buffer->link, &drm_data->buffer_list);
+ }
+
+ if (display_buffer->fb_id == 0)
+ {
+ unsigned int width;
+ unsigned int height;
+ unsigned int format;
+ unsigned int handles[4] = {0,};
+ unsigned int pitches[4] = {0,};
+ unsigned int offsets[4] = {0,};
+ unsigned int size;
+
+ width = tbm_surface_get_width(surface);
+ height = tbm_surface_get_height(surface);
+ format = tbm_surface_get_format(surface);
+ count = tbm_surface_internal_get_num_bos(surface);
+ for (i = 0; i < count; i++)
+ {
+ tbm_bo bo = tbm_surface_internal_get_bo(surface, i);
+ handles[i] = tbm_bo_get_handle(bo, TBM_DEVICE_DEFAULT).u32;
+ }
+ count = tbm_surface_internal_get_num_planes(format);
+ for (i = 0; i < count; i++)
+ tbm_surface_internal_get_plane_data(surface, i, &size, &offsets[i], &pitches[i]);
+
+ ret = drmModeAddFB2(drm_data->drm_fd, width, height, format,
+ handles, pitches, offsets, &display_buffer->fb_id, 0);
+ if (ret < 0)
+ {
+ TDM_ERR("add fb failed: %m");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+ TDM_DBG("drm_data->drm_fd : %d, display_buffer->fb_id:%u", drm_data->drm_fd, display_buffer->fb_id);
+
+ if (IS_RGB(format))
+ display_buffer->width = pitches[0] >> 2;
+ else
+ display_buffer->width = pitches[0];
+ }
+
+ layer_data->display_buffer = display_buffer;
+ layer_data->display_buffer_changed = 1;
+
+ return TDM_ERROR_NONE;
+}
+
+tdm_error
+drm_layer_unset_buffer(tdm_layer *layer)
+{
+ tdm_drm_layer_data *layer_data = layer;
+
+ RETURN_VAL_IF_FAIL(layer_data, TDM_ERROR_INVALID_PARAMETER);
+
+ layer_data->display_buffer = NULL;
+ layer_data->display_buffer_changed = 1;
+
+ return TDM_ERROR_NONE;
+}