static int omap_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct omap_video_timings timings = {0};
struct drm_device *dev = connector->dev;
struct drm_display_mode *new_mode;
int ret = MODE_BAD;
copy_timings_drm_to_omap(&timings, mode);
mode->vrefresh = drm_mode_vrefresh(mode);
if (!dssdrv->check_timings(dssdev, &timings)) {
/* check if vrefresh is still valid */
new_mode = drm_mode_duplicate(dev, mode);
new_mode->clock = timings.pixel_clock;
new_mode->vrefresh = 0;
if (mode->vrefresh == drm_mode_vrefresh(new_mode))
ret = MODE_OK;
drm_mode_destroy(dev, new_mode);
}
DBG("connector: mode %s: "
"%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
(ret == MODE_OK) ? "valid" : "invalid",
mode->base.id, mode->name, mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start,
mode->vsync_end, mode->vtotal, mode->type, mode->flags);
return ret;
}
void omap_connector_mode_set(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_device *dev = connector->dev;
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct omap_video_timings timings;
copy_timings_drm_to_omap(&timings, mode);
DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
omap_connector->dssdev->name,
mode->base.id, mode->name, mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start,
mode->vsync_end, mode->vtotal, mode->type, mode->flags);
if (dssdrv->check_timings(dssdev, &timings)) {
dev_err(dev->dev, "could not set timings\n");
return;
}
dssdrv->set_timings(dssdev, &timings);
}
static int omap_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct omap_video_timings timings = {0};
struct drm_device *dev = connector->dev;
struct drm_display_mode *new_mode;
int r, ret = MODE_BAD;
copy_timings_drm_to_omap(&timings, mode);
mode->vrefresh = drm_mode_vrefresh(mode);
/*
* if the panel driver doesn't have a check_timings, it's most likely
* a fixed resolution panel, check if the timings match with the
* panel's timings
*/
if (dssdrv->check_timings) {
r = dssdrv->check_timings(dssdev, &timings);
} else {
struct omap_video_timings t = {0};
dssdrv->get_timings(dssdev, &t);
if (memcmp(&timings, &t, sizeof(struct omap_video_timings)))
r = -EINVAL;
else
r = 0;
}
if (!r) {
/* check if vrefresh is still valid */
new_mode = drm_mode_duplicate(dev, mode);
new_mode->clock = timings.pixel_clock;
new_mode->vrefresh = 0;
if (mode->vrefresh == drm_mode_vrefresh(new_mode))
ret = MODE_OK;
drm_mode_destroy(dev, new_mode);
}
DBG("connector: mode %s: "
"%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
(ret == MODE_OK) ? "valid" : "invalid",
mode->base.id, mode->name, mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start,
mode->vsync_end, mode->vtotal, mode->type, mode->flags);
return ret;
}
static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc)
{
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
struct drm_display_mode *mode = &crtc->state->adjusted_mode;
DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
omap_crtc->name, mode->base.id, mode->name,
mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start, mode->hsync_end, mode->htotal,
mode->vdisplay, mode->vsync_start, mode->vsync_end, mode->vtotal,
mode->type, mode->flags);
copy_timings_drm_to_omap(&omap_crtc->timings, mode);
}
