38 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_load()  local
44 	hdlcd->clk = devm_clk_get(drm->dev, "pxlclk");  in hdlcd_load()
45 	if (IS_ERR(hdlcd->clk))  in hdlcd_load()
46 		return PTR_ERR(hdlcd->clk);  in hdlcd_load()
49 	atomic_set(&hdlcd->buffer_underrun_count, 0);  in hdlcd_load()
50 	atomic_set(&hdlcd->bus_error_count, 0);  in hdlcd_load()
51 	atomic_set(&hdlcd->vsync_count, 0);  in hdlcd_load()
52 	atomic_set(&hdlcd->dma_end_count, 0);  in hdlcd_load()
56 	hdlcd->mmio = devm_ioremap_resource(drm->dev, res);  in hdlcd_load()
57 	if (IS_ERR(hdlcd->mmio)) {  in hdlcd_load()
59 		ret = PTR_ERR(hdlcd->mmio);  in hdlcd_load()
60 		hdlcd->mmio = NULL;  in hdlcd_load()
64 	version = hdlcd_read(hdlcd, HDLCD_REG_VERSION);  in hdlcd_load()
97 	drm_crtc_cleanup(&hdlcd->crtc);  in hdlcd_load()
124 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_irq()  local
127 	irq_status = hdlcd_read(hdlcd, HDLCD_REG_INT_STATUS);  in hdlcd_irq()
131 		atomic_inc(&hdlcd->buffer_underrun_count);  in hdlcd_irq()
134 		atomic_inc(&hdlcd->dma_end_count);  in hdlcd_irq()
137 		atomic_inc(&hdlcd->bus_error_count);  in hdlcd_irq()
140 		atomic_inc(&hdlcd->vsync_count);  in hdlcd_irq()
144 		drm_crtc_handle_vblank(&hdlcd->crtc);  in hdlcd_irq()
147 	hdlcd_write(hdlcd, HDLCD_REG_INT_CLEAR, irq_status);  in hdlcd_irq()
154 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_irq_preinstall()  local
156 	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, 0);  in hdlcd_irq_preinstall()
157 	hdlcd_write(hdlcd, HDLCD_REG_INT_CLEAR, ~0);  in hdlcd_irq_preinstall()
163 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_irq_postinstall()  local
164 	unsigned long irq_mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);  in hdlcd_irq_postinstall()
169 	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, irq_mask);  in hdlcd_irq_postinstall()
176 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_irq_uninstall()  local
178 	unsigned long irq_mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);  in hdlcd_irq_uninstall()
188 	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, irq_mask);  in hdlcd_irq_uninstall()
196 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_show_underrun_count()  local
198 	seq_printf(m, "underrun : %d\n", atomic_read(&hdlcd->buffer_underrun_count));  in hdlcd_show_underrun_count()
199 	seq_printf(m, "dma_end  : %d\n", atomic_read(&hdlcd->dma_end_count));  in hdlcd_show_underrun_count()
200 	seq_printf(m, "bus_error: %d\n", atomic_read(&hdlcd->bus_error_count));  in hdlcd_show_underrun_count()
201 	seq_printf(m, "vsync    : %d\n", atomic_read(&hdlcd->vsync_count));  in hdlcd_show_underrun_count()
209 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_show_pxlclock()  local
210 	unsigned long clkrate = clk_get_rate(hdlcd->clk);  in hdlcd_show_pxlclock()
211 	unsigned long mode_clock = hdlcd->crtc.mode.crtc_clock * 1000;  in hdlcd_show_pxlclock()
268 	struct hdlcd_drm_private *hdlcd;  in hdlcd_drm_bind()  local
271 	hdlcd = devm_kzalloc(dev, sizeof(*hdlcd), GFP_KERNEL);  in hdlcd_drm_bind()
272 	if (!hdlcd)  in hdlcd_drm_bind()
279 	drm->dev_private = hdlcd;  in hdlcd_drm_bind()
288 	hdlcd->crtc.port = of_graph_get_port_by_id(dev->of_node, 0);  in hdlcd_drm_bind()
331 	of_node_put(hdlcd->crtc.port);  in hdlcd_drm_bind()
332 	hdlcd->crtc.port = NULL;  in hdlcd_drm_bind()
346 	struct hdlcd_drm_private *hdlcd = drm->dev_private;  in hdlcd_drm_unbind()  local
352 	of_node_put(hdlcd->crtc.port);  in hdlcd_drm_unbind()
353 	hdlcd->crtc.port = NULL;  in hdlcd_drm_unbind()
355 	drm_crtc_vblank_off(&hdlcd->crtc);  in hdlcd_drm_unbind()