struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
struct regmap *regmap = crtc->dc->hlcdc->regmap;
struct drm_display_mode *adj = &c->state->adjusted_mode;
+ struct drm_encoder *encoder = NULL, *en_iter;
+ struct drm_connector *connector = NULL;
struct atmel_hlcdc_crtc_state *state;
+ struct drm_device *ddev = c->dev;
+ struct drm_connector_list_iter iter;
unsigned long mode_rate;
struct videomode vm;
unsigned long prate;
unsigned int cfg = 0;
int div, ret;
+ /* get encoder from crtc */
+ drm_for_each_encoder(en_iter, ddev) {
+ if (en_iter->crtc == c) {
+ encoder = en_iter;
+ break;
+ }
+ }
+
+ if (encoder) {
+ /* Get the connector from encoder */
+ drm_connector_list_iter_begin(ddev, &iter);
+ drm_for_each_connector_iter(connector, &iter)
+ if (connector->encoder == encoder)
+ break;
+ drm_connector_list_iter_end(&iter);
+ }
+
ret = clk_prepare_enable(crtc->dc->hlcdc->sys_clk);
if (ret)
return;
cfg |= ATMEL_HLCDC_CLKDIV(div);
+ if (connector &&
+ connector->display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE)
+ cfg |= ATMEL_HLCDC_CLKPOL;
+
regmap_update_bits(regmap, ATMEL_HLCDC_CFG(0), mask, cfg);
state = drm_crtc_state_to_atmel_hlcdc_crtc_state(c->state);