diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index 6fad1f9648f38870b2162cb74a6320f50c34aabc..ef6182bc8e5eef229dc990354f6d31c18915f3bc 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -559,7 +559,7 @@ static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int atmel_hlcdc_dc_drm_suspend(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 3dcd59e694db9e6f32c8e49ea04cbf21bbdc0ad8..198fc3c3291b2ac05540ea36ef853c9826b23efa 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1075,34 +1075,15 @@ parse_device_mapping(struct drm_i915_private *dev_priv,
 	const union child_device_config *p_child;
 	union child_device_config *child_dev_ptr;
 	int i, child_device_num, count;
-	u8 expected_size;
-	u16 block_size;
+	u16	block_size;
 
 	p_defs = find_section(bdb, BDB_GENERAL_DEFINITIONS);
 	if (!p_defs) {
 		DRM_DEBUG_KMS("No general definition block is found, no devices defined.\n");
 		return;
 	}
-	if (bdb->version < 195) {
-		expected_size = 33;
-	} else if (bdb->version == 195) {
-		expected_size = 37;
-	} else if (bdb->version <= 197) {
-		expected_size = 38;
-	} else {
-		expected_size = 38;
-		DRM_DEBUG_DRIVER("Expected child_device_config size for BDB version %u not known; assuming %u\n",
-				 expected_size, bdb->version);
-	}
-
-	if (expected_size > sizeof(*p_child)) {
-		DRM_ERROR("child_device_config cannot fit in p_child\n");
-		return;
-	}
-
-	if (p_defs->child_dev_size != expected_size) {
-		DRM_ERROR("Size mismatch; child_device_config size=%u (expected %u); bdb->version: %u\n",
-			  p_defs->child_dev_size, expected_size, bdb->version);
+	if (p_defs->child_dev_size < sizeof(*p_child)) {
+		DRM_ERROR("General definiton block child device size is too small.\n");
 		return;
 	}
 	/* get the block size of general definitions */
@@ -1149,7 +1130,7 @@ parse_device_mapping(struct drm_i915_private *dev_priv,
 
 		child_dev_ptr = dev_priv->vbt.child_dev + count;
 		count++;
-		memcpy(child_dev_ptr, p_child, p_defs->child_dev_size);
+		memcpy(child_dev_ptr, p_child, sizeof(*p_child));
 	}
 	return;
 }
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 6e8faa25379240cab60f57631adf42612f28df33..1df0e1fe235f112830a0e82a1004b0e949613c78 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -93,9 +93,6 @@ static const struct dp_link_dpll chv_dpll[] = {
 
 static const int skl_rates[] = { 162000, 216000, 270000,
 				  324000, 432000, 540000 };
-static const int chv_rates[] = { 162000, 202500, 210000, 216000,
-				 243000, 270000, 324000, 405000,
-				 420000, 432000, 540000 };
 static const int default_rates[] = { 162000, 270000, 540000 };
 
 /**
@@ -1169,24 +1166,31 @@ intel_dp_sink_rates(struct intel_dp *intel_dp, const int **sink_rates)
 	return (intel_dp_max_link_bw(intel_dp) >> 3) + 1;
 }
 
+static bool intel_dp_source_supports_hbr2(struct drm_device *dev)
+{
+	/* WaDisableHBR2:skl */
+	if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0)
+		return false;
+
+	if ((IS_HASWELL(dev) && !IS_HSW_ULX(dev)) || IS_BROADWELL(dev) ||
+	    (INTEL_INFO(dev)->gen >= 9))
+		return true;
+	else
+		return false;
+}
+
 static int
 intel_dp_source_rates(struct drm_device *dev, const int **source_rates)
 {
 	if (IS_SKYLAKE(dev)) {
 		*source_rates = skl_rates;
 		return ARRAY_SIZE(skl_rates);
-	} else if (IS_CHERRYVIEW(dev)) {
-		*source_rates = chv_rates;
-		return ARRAY_SIZE(chv_rates);
 	}
 
 	*source_rates = default_rates;
 
-	if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0)
-		/* WaDisableHBR2:skl */
-		return (DP_LINK_BW_2_7 >> 3) + 1;
-	else if (INTEL_INFO(dev)->gen >= 8 ||
-	    (IS_HASWELL(dev) && !IS_HSW_ULX(dev)))
+	/* This depends on the fact that 5.4 is last value in the array */
+	if (intel_dp_source_supports_hbr2(dev))
 		return (DP_LINK_BW_5_4 >> 3) + 1;
 	else
 		return (DP_LINK_BW_2_7 >> 3) + 1;
@@ -3941,10 +3945,15 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
 		}
 	}
 
-	/* Training Pattern 3 support, both source and sink */
+	/* Training Pattern 3 support, Intel platforms that support HBR2 alone
+	 * have support for TP3 hence that check is used along with dpcd check
+	 * to ensure TP3 can be enabled.
+	 * SKL < B0: due it's WaDisableHBR2 is the only exception where TP3 is
+	 * supported but still not enabled.
+	 */
 	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x12 &&
 	    intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED &&
-	    (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)) {
+	    intel_dp_source_supports_hbr2(dev)) {
 		intel_dp->use_tps3 = true;
 		DRM_DEBUG_KMS("Displayport TPS3 supported\n");
 	} else
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 9b74ffae5f5a7bab8ef545525d361c29fd4c3bf6..7f2161a1ff5d4d40c7b6dca346c20518b084bf6b 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1012,6 +1012,8 @@ static int intel_lr_context_pin(struct intel_engine_cs *ring,
 		ret = intel_pin_and_map_ringbuffer_obj(ring->dev, ringbuf);
 		if (ret)
 			goto unpin_ctx_obj;
+
+		ctx_obj->dirty = true;
 	}
 
 	return ret;
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 1162bfa464f3036192854f4d0f3f363eb1ee8cff..171d3e43c30cc02257df75645c6c77f0a726de33 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -79,6 +79,11 @@ static void radeon_hotplug_work_func(struct work_struct *work)
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct drm_connector *connector;
 
+	/* we can race here at startup, some boards seem to trigger
+	 * hotplug irqs when they shouldn't. */
+	if (!rdev->mode_info.mode_config_initialized)
+		return;
+
 	mutex_lock(&mode_config->mutex);
 	if (mode_config->num_connector) {
 		list_for_each_entry(connector, &mode_config->connector_list, head)
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 799050198323e852c7cbb45e3c1236cc67d386ac..53c53c459b15c8207997da61234d0ab9ea2805ae 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -347,6 +347,25 @@ static inline int drm_eld_mnl(const uint8_t *eld)
 	return (eld[DRM_ELD_CEA_EDID_VER_MNL] & DRM_ELD_MNL_MASK) >> DRM_ELD_MNL_SHIFT;
 }
 
+/**
+ * drm_eld_sad - Get ELD SAD structures.
+ * @eld: pointer to an eld memory structure with sad_count set
+ */
+static inline const uint8_t *drm_eld_sad(const uint8_t *eld)
+{
+	unsigned int ver, mnl;
+
+	ver = (eld[DRM_ELD_VER] & DRM_ELD_VER_MASK) >> DRM_ELD_VER_SHIFT;
+	if (ver != 2 && ver != 31)
+		return NULL;
+
+	mnl = drm_eld_mnl(eld);
+	if (mnl > 16)
+		return NULL;
+
+	return eld + DRM_ELD_CEA_SAD(mnl, 0);
+}
+
 /**
  * drm_eld_sad_count - Get ELD SAD count.
  * @eld: pointer to an eld memory structure with sad_count set