--- zzzz-none-000/linux-3.10.107/drivers/gpu/drm/gma500/oaktrail_hdmi.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/gpu/drm/gma500/oaktrail_hdmi.c	2021-02-04 17:41:59.000000000 +0000
@@ -155,12 +155,6 @@
 	HDMI_READ(HDMI_HCR);
 }
 
-static void wait_for_vblank(struct drm_device *dev)
-{
-	/* Wait for 20ms, i.e. one cycle at 50hz. */
-	mdelay(20);
-}
-
 static unsigned int htotal_calculate(struct drm_display_mode *mode)
 {
 	u32 htotal, new_crtc_htotal;
@@ -353,7 +347,7 @@
 
 	/* Flush the plane changes */
 	{
-		struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+		const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
 		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
 	}
 
@@ -372,10 +366,10 @@
 
 	REG_WRITE(PCH_PIPEBCONF, pipeconf);
 	REG_READ(PCH_PIPEBCONF);
-	wait_for_vblank(dev);
+	gma_wait_for_vblank(dev);
 
 	REG_WRITE(dspcntr_reg, dspcntr);
-	wait_for_vblank(dev);
+	gma_wait_for_vblank(dev);
 
 	gma_power_end(dev);
 
@@ -459,7 +453,7 @@
 			REG_READ(PCH_PIPEBCONF);
 		}
 
-		wait_for_vblank(dev);
+		gma_wait_for_vblank(dev);
 
 		/* Enable plane */
 		temp = REG_READ(DSPBCNTR);
@@ -470,7 +464,7 @@
 			REG_READ(DSPBSURF);
 		}
 
-		psb_intel_crtc_load_lut(crtc);
+		gma_crtc_load_lut(crtc);
 	}
 
 	/* DSPARB */
@@ -529,13 +523,6 @@
 	return MODE_OK;
 }
 
-static bool oaktrail_hdmi_mode_fixup(struct drm_encoder *encoder,
-				 const struct drm_display_mode *mode,
-				 struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
 static enum drm_connector_status
 oaktrail_hdmi_detect(struct drm_connector *connector, bool force)
 {
@@ -614,17 +601,17 @@
 
 static const struct drm_encoder_helper_funcs oaktrail_hdmi_helper_funcs = {
 	.dpms = oaktrail_hdmi_dpms,
-	.mode_fixup = oaktrail_hdmi_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
+	.mode_fixup = gma_encoder_mode_fixup,
+	.prepare = gma_encoder_prepare,
 	.mode_set = oaktrail_hdmi_mode_set,
-	.commit = psb_intel_encoder_commit,
+	.commit = gma_encoder_commit,
 };
 
 static const struct drm_connector_helper_funcs
 					oaktrail_hdmi_connector_helper_funcs = {
 	.get_modes = oaktrail_hdmi_get_modes,
 	.mode_valid = oaktrail_hdmi_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
+	.best_encoder = gma_best_encoder,
 };
 
 static const struct drm_connector_funcs oaktrail_hdmi_connector_funcs = {
@@ -646,21 +633,21 @@
 void oaktrail_hdmi_init(struct drm_device *dev,
 					struct psb_intel_mode_device *mode_dev)
 {
-	struct psb_intel_encoder *psb_intel_encoder;
-	struct psb_intel_connector *psb_intel_connector;
+	struct gma_encoder *gma_encoder;
+	struct gma_connector *gma_connector;
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
 
-	psb_intel_encoder = kzalloc(sizeof(struct psb_intel_encoder), GFP_KERNEL);
-	if (!psb_intel_encoder)
+	gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+	if (!gma_encoder)
 		return;
 
-	psb_intel_connector = kzalloc(sizeof(struct psb_intel_connector), GFP_KERNEL);
-	if (!psb_intel_connector)
+	gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
+	if (!gma_connector)
 		goto failed_connector;
 
-	connector = &psb_intel_connector->base;
-	encoder = &psb_intel_encoder->base;
+	connector = &gma_connector->base;
+	encoder = &gma_encoder->base;
 	drm_connector_init(dev, connector,
 			   &oaktrail_hdmi_connector_funcs,
 			   DRM_MODE_CONNECTOR_DVID);
@@ -669,26 +656,25 @@
 			 &oaktrail_hdmi_enc_funcs,
 			 DRM_MODE_ENCODER_TMDS);
 
-	psb_intel_connector_attach_encoder(psb_intel_connector,
-					   psb_intel_encoder);
+	gma_connector_attach_encoder(gma_connector, gma_encoder);
 
-	psb_intel_encoder->type = INTEL_OUTPUT_HDMI;
+	gma_encoder->type = INTEL_OUTPUT_HDMI;
 	drm_encoder_helper_add(encoder, &oaktrail_hdmi_helper_funcs);
 	drm_connector_helper_add(connector, &oaktrail_hdmi_connector_helper_funcs);
 
 	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
 	connector->interlace_allowed = false;
 	connector->doublescan_allowed = false;
-	drm_sysfs_connector_add(connector);
+	drm_connector_register(connector);
 	dev_info(dev->dev, "HDMI initialised.\n");
 
 	return;
 
 failed_connector:
-	kfree(psb_intel_encoder);
+	kfree(gma_encoder);
 }
 
-static DEFINE_PCI_DEVICE_TABLE(hdmi_ids) = {
+static const struct pci_device_id hdmi_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) },
 	{ 0 }
 };