Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Lots of stuff in here, though it hasn't been too insane this merge
  apart from dealing with the security fun.

  uapi:
   - export different colorspace properties on DP vs HDMI
   - new fourcc for ARM 16x16 block format
   - syncobj: allow querying last submitted timeline value
   - DRM_FORMAT_BIG_ENDIAN defined as unsigned

  core:
   - allow using gem vma manager in ttm
   - connector/encoder/bridge doc fixes
   - allow more than 3 encoders for a connector
   - displayport mst suspend/resume reprobing support
   - vram lazy unmapping, uniform vram mm and gem vram
   - edid cleanups + AVI informframe bar info
   - displayport helpers - dpcd parser added

  dp_cec:
   - Allow a connector to be associated with a cec device

  ttm:
   - pipelining with no_gpu_wait fix
   - always keep BOs on the LRU

  sched:
   - allow free_job routine to sleep

  i915:
   - Block userptr from mappable GTT
   - i915 perf uapi versioning
   - OA stream dynamic reconfiguration
   - make context persistence optional
   - introduce DRM_I915_UNSTABLE Kconfig
   - add fake lmem testing under unstable
   - BT.2020 support for DP MSA
   - struct mutex elimination
   - Tigerlake display/PLL/power management improvements
   - Jasper Lake PCH support
   - refactor PMU for multiple GPUs
   - Icelake firmware update
   - Split out vga + switcheroo code

  amdgpu:
   - implement dma-buf import/export without helpers
   - vega20 RAS enablement
   - DC i2c over aux fixes
   - renoir GPU reset
   - DC HDCP support
   - BACO support for CI/VI asics
   - MSI-X support
   - Arcturus EEPROM support
   - Arcturus VCN encode support
   - VCN dynamic powergating on RV/RV2

  amdkfd:
   - add navi12/14/renoir support to kfd

  radeon:
   - SI dpm fix ported from amdgpu
   - fix bad DMA on ppc platforms

  gma500:
   - memory leak fixes

  qxl:
   - convert to new gem mmap

  exynos:
   - build warning fix

  komeda:
   - add aclk sysfs attribute

  v3d:
   - userspace cleanup uapi change

  i810:
   - fix for underflow in dispatch ioctls

  ast:
   - refactor show_cursor

  mgag200:
   - refactor show_cursor

  arcgpu:
   - encoder finding improvements

  mediatek:
   - mipi_tx, dsi and partial crtc support for MT8183 SoC
   - rotation support

  meson:
   - add suspend/resume support

  omap:
   - misc refactors

  tegra:
   - DisplayPort support for Tegra 210, 186 and 194.
   - IOMMU-backed DMA API fixes

  panfrost:
   - fix lockdep issue
   - simplify devfreq integration

  rcar-du:
   - R8A774B1 SoC support
   - fixes for H2 ES2.0

  sun4i:
   - vcc-dsi regulator support

  virtio-gpu:
   - vmexit vs spinlock fix
   - move to gem shmem helpers
   - handle large command buffers with cma"

* tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm: (1855 commits)
  drm/amdgpu: invalidate mmhub semaphore workaround in gmc9/gmc10
  drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub
  drm/amd/amdgpu/sriov skip RLCG s/r list for arcturus VF.
  drm/amd/amdgpu/sriov temporarily skip ras,dtm,hdcp for arcturus VF
  drm/amdgpu/gfx10: re-init clear state buffer after gpu reset
  merge fix for "ftrace: Rework event_create_dir()"
  drm/amdgpu: Update Arcturus golden registers
  drm/amdgpu/gfx10: fix out-of-bound mqd_backup array access
  drm/amdgpu/gfx10: explicitly wait for cp idle after halt/unhalt
  Revert "drm/amd/display: enable S/G for RAVEN chip"
  drm/amdgpu: disable gfxoff on original raven
  drm/amdgpu: remove experimental flag for Navi14
  drm/amdgpu: disable gfxoff when using register read interface
  drm/amdgpu/powerplay: properly set PP_GFXOFF_MASK (v2)
  drm/amdgpu: fix bad DMA from INTERRUPT_CNTL2
  drm/radeon: fix bad DMA from INTERRUPT_CNTL2
  drm/amd/display: Fix debugfs on MST connectors
  drm/amdgpu/nv: add asic func for fetching vbios from rom directly
  drm/amdgpu: put flush_delayed_work at first
  drm/amdgpu/vcn2.5: fix the enc loop with hw fini
  ...

23 files changed, 386 insertions, 120 deletions

diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 1cc9f502c1f2..34362976cd6f 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -87,8 +87,7 @@ config DRM_SIL_SII8620
 	depends on OF
 	select DRM_KMS_HELPER
 	imply EXTCON
-	select INPUT
-	select RC_CORE
+	depends on RC_CORE || !RC_CORE
 	help
 	  Silicon Image SII8620 HDMI/MHL bridge chip driver.
 
diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix-anx78xx.c
index 3c7cc5af735c..274989f96a91 100644
--- a/drivers/gpu/drm/bridge/analogix-anx78xx.c
+++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c
@@ -19,6 +19,7 @@
 #include <linux/types.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_dp_helper.h>
 #include <drm/drm_edid.h>
@@ -38,12 +39,20 @@
 #define AUX_CH_BUFFER_SIZE	16
 #define AUX_WAIT_TIMEOUT_MS	15
 
-static const u8 anx78xx_i2c_addresses[] = {
-	[I2C_IDX_TX_P0] = TX_P0,
-	[I2C_IDX_TX_P1] = TX_P1,
-	[I2C_IDX_TX_P2] = TX_P2,
-	[I2C_IDX_RX_P0] = RX_P0,
-	[I2C_IDX_RX_P1] = RX_P1,
+static const u8 anx7808_i2c_addresses[] = {
+	[I2C_IDX_TX_P0] = 0x78,
+	[I2C_IDX_TX_P1] = 0x7a,
+	[I2C_IDX_TX_P2] = 0x72,
+	[I2C_IDX_RX_P0] = 0x7e,
+	[I2C_IDX_RX_P1] = 0x80,
+};
+
+static const u8 anx781x_i2c_addresses[] = {
+	[I2C_IDX_TX_P0] = 0x70,
+	[I2C_IDX_TX_P1] = 0x7a,
+	[I2C_IDX_TX_P2] = 0x72,
+	[I2C_IDX_RX_P0] = 0x7e,
+	[I2C_IDX_RX_P1] = 0x80,
 };
 
 struct anx78xx_platform_data {
@@ -62,7 +71,6 @@ struct anx78xx {
 	struct i2c_client *client;
 	struct edid *edid;
 	struct drm_connector connector;
-	struct drm_dp_link link;
 	struct anx78xx_platform_data pdata;
 	struct mutex lock;
 
@@ -715,7 +723,9 @@ static int anx78xx_init_pdata(struct anx78xx *anx78xx)
 	/* 1.0V digital core power regulator  */
 	pdata->dvdd10 = devm_regulator_get(dev, "dvdd10");
 	if (IS_ERR(pdata->dvdd10)) {
-		DRM_ERROR("DVDD10 regulator not found\n");
+		if (PTR_ERR(pdata->dvdd10) != -EPROBE_DEFER)
+			DRM_ERROR("DVDD10 regulator not found\n");
+
 		return PTR_ERR(pdata->dvdd10);
 	}
 
@@ -737,7 +747,7 @@ static int anx78xx_init_pdata(struct anx78xx *anx78xx)
 
 static int anx78xx_dp_link_training(struct anx78xx *anx78xx)
 {
-	u8 dp_bw, value;
+	u8 dp_bw, dpcd[2];
 	int err;
 
 	err = regmap_write(anx78xx->map[I2C_IDX_RX_P0], SP_HDMI_MUTE_CTRL_REG,
@@ -790,18 +800,34 @@ static int anx78xx_dp_link_training(struct anx78xx *anx78xx)
 	if (err)
 		return err;
 
-	/* Check link capabilities */
-	err = drm_dp_link_probe(&anx78xx->aux, &anx78xx->link);
-	if (err < 0) {
-		DRM_ERROR("Failed to probe link capabilities: %d\n", err);
-		return err;
-	}
+	/*
+	 * Power up the sink (DP_SET_POWER register is only available on DPCD
+	 * v1.1 and later).
+	 */
+	if (anx78xx->dpcd[DP_DPCD_REV] >= 0x11) {
+		err = drm_dp_dpcd_readb(&anx78xx->aux, DP_SET_POWER, &dpcd[0]);
+		if (err < 0) {
+			DRM_ERROR("Failed to read DP_SET_POWER register: %d\n",
+				  err);
+			return err;
+		}
 
-	/* Power up the sink */
-	err = drm_dp_link_power_up(&anx78xx->aux, &anx78xx->link);
-	if (err < 0) {
-		DRM_ERROR("Failed to power up DisplayPort link: %d\n", err);
-		return err;
+		dpcd[0] &= ~DP_SET_POWER_MASK;
+		dpcd[0] |= DP_SET_POWER_D0;
+
+		err = drm_dp_dpcd_writeb(&anx78xx->aux, DP_SET_POWER, dpcd[0]);
+		if (err < 0) {
+			DRM_ERROR("Failed to power up DisplayPort link: %d\n",
+				  err);
+			return err;
+		}
+
+		/*
+		 * According to the DP 1.1 specification, a "Sink Device must
+		 * exit the power saving state within 1 ms" (Section 2.5.3.1,
+		 * Table 5-52, "Sink Control Field" (register 0x600).
+		 */
+		usleep_range(1000, 2000);
 	}
 
 	/* Possibly enable downspread on the sink */
@@ -840,15 +866,22 @@ static int anx78xx_dp_link_training(struct anx78xx *anx78xx)
 	if (err)
 		return err;
 
-	value = drm_dp_link_rate_to_bw_code(anx78xx->link.rate);
+	dpcd[0] = drm_dp_max_link_rate(anx78xx->dpcd);
+	dpcd[0] = drm_dp_link_rate_to_bw_code(dpcd[0]);
 	err = regmap_write(anx78xx->map[I2C_IDX_TX_P0],
-			   SP_DP_MAIN_LINK_BW_SET_REG, value);
+			   SP_DP_MAIN_LINK_BW_SET_REG, dpcd[0]);
 	if (err)
 		return err;
 
-	err = drm_dp_link_configure(&anx78xx->aux, &anx78xx->link);
+	dpcd[1] = drm_dp_max_lane_count(anx78xx->dpcd);
+
+	if (drm_dp_enhanced_frame_cap(anx78xx->dpcd))
+		dpcd[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
+
+	err = drm_dp_dpcd_write(&anx78xx->aux, DP_LINK_BW_SET, dpcd,
+				sizeof(dpcd));
 	if (err < 0) {
-		DRM_ERROR("Failed to configure DisplayPort link: %d\n", err);
+		DRM_ERROR("Failed to configure link: %d\n", err);
 		return err;
 	}
 
@@ -1301,6 +1334,7 @@ static const struct regmap_config anx78xx_regmap_config = {
 };
 
 static const u16 anx78xx_chipid_list[] = {
+	0x7808,
 	0x7812,
 	0x7814,
 	0x7818,
@@ -1312,6 +1346,7 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
 	struct anx78xx *anx78xx;
 	struct anx78xx_platform_data *pdata;
 	unsigned int i, idl, idh, version;
+	const u8 *i2c_addresses;
 	bool found = false;
 	int err;
 
@@ -1332,7 +1367,9 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
 
 	err = anx78xx_init_pdata(anx78xx);
 	if (err) {
-		DRM_ERROR("Failed to initialize pdata: %d\n", err);
+		if (err != -EPROBE_DEFER)
+			DRM_ERROR("Failed to initialize pdata: %d\n", err);
+
 		return err;
 	}
 
@@ -1349,22 +1386,26 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
 	}
 
 	/* Map slave addresses of ANX7814 */
+	i2c_addresses = device_get_match_data(&client->dev);
 	for (i = 0; i < I2C_NUM_ADDRESSES; i++) {
-		anx78xx->i2c_dummy[i] = i2c_new_dummy(client->adapter,
-						anx78xx_i2c_addresses[i] >> 1);
-		if (!anx78xx->i2c_dummy[i]) {
-			err = -ENOMEM;
-			DRM_ERROR("Failed to reserve I2C bus %02x\n",
-				  anx78xx_i2c_addresses[i]);
+		struct i2c_client *i2c_dummy;
+
+		i2c_dummy = i2c_new_dummy_device(client->adapter,
+						 i2c_addresses[i] >> 1);
+		if (IS_ERR(i2c_dummy)) {
+			err = PTR_ERR(i2c_dummy);
+			DRM_ERROR("Failed to reserve I2C bus %02x: %d\n",
+				  i2c_addresses[i], err);
 			goto err_unregister_i2c;
 		}
 
+		anx78xx->i2c_dummy[i] = i2c_dummy;
 		anx78xx->map[i] = devm_regmap_init_i2c(anx78xx->i2c_dummy[i],
 						       &anx78xx_regmap_config);
 		if (IS_ERR(anx78xx->map[i])) {
 			err = PTR_ERR(anx78xx->map[i]);
 			DRM_ERROR("Failed regmap initialization %02x\n",
-				  anx78xx_i2c_addresses[i]);
+				  i2c_addresses[i]);
 			goto err_unregister_i2c;
 		}
 	}
@@ -1463,7 +1504,10 @@ MODULE_DEVICE_TABLE(i2c, anx78xx_id);
 
 #if IS_ENABLED(CONFIG_OF)
 static const struct of_device_id anx78xx_match_table[] = {
-	{ .compatible = "analogix,anx7814", },
+	{ .compatible = "analogix,anx7808", .data = anx7808_i2c_addresses },
+	{ .compatible = "analogix,anx7812", .data = anx781x_i2c_addresses },
+	{ .compatible = "analogix,anx7814", .data = anx781x_i2c_addresses },
+	{ .compatible = "analogix,anx7818", .data = anx781x_i2c_addresses },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, anx78xx_match_table);
diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.h b/drivers/gpu/drm/bridge/analogix-anx78xx.h
index 25e063bcecbc..55d6c2109740 100644
--- a/drivers/gpu/drm/bridge/analogix-anx78xx.h
+++ b/drivers/gpu/drm/bridge/analogix-anx78xx.h
@@ -6,15 +6,8 @@
 #ifndef __ANX78xx_H
 #define __ANX78xx_H
 
-#define TX_P0				0x70
-#define TX_P1				0x7a
-#define TX_P2				0x72
-
-#define RX_P0				0x7e
-#define RX_P1				0x80
-
 /***************************************************************/
-/* Register definition of device address 0x7e                  */
+/* Register definitions for RX_PO                              */
 /***************************************************************/
 
 /*
@@ -171,7 +164,7 @@
 #define SP_VSI_RCVD			BIT(1)
 
 /***************************************************************/
-/* Register definition of device address 0x80                  */
+/* Register definitions for RX_P1                              */
 /***************************************************************/
 
 /* HDCP BCAPS Shadow Register */
@@ -217,7 +210,7 @@
 #define SP_SET_AVMUTE			BIT(0)
 
 /***************************************************************/
-/* Register definition of device address 0x70                  */
+/* Register definitions for TX_P0                              */
 /***************************************************************/
 
 /* HDCP Status Register */
@@ -451,7 +444,7 @@
 #define SP_DP_BUF_DATA0_REG		0xf0
 
 /***************************************************************/
-/* Register definition of device address 0x72                  */
+/* Register definitions for TX_P2                              */
 /***************************************************************/
 
 /*
@@ -674,7 +667,7 @@
 #define SP_INT_CTRL_REG			0xff
 
 /***************************************************************/
-/* Register definition of device address 0x7a                  */
+/* Register definitions for TX_P1                              */
 /***************************************************************/
 
 /* DP TX Link Training Control Register */
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 22885dceaa17..bb411fe52ae8 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -21,6 +21,7 @@
 #include <drm/bridge/analogix_dp.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_device.h>
 #include <drm/drm_panel.h>
diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
index 6166dca6be81..3a5bd4e7fd1e 100644
--- a/drivers/gpu/drm/bridge/cdns-dsi.c
+++ b/drivers/gpu/drm/bridge/cdns-dsi.c
@@ -956,7 +956,8 @@ static int cdns_dsi_attach(struct mipi_dsi_host *host,
 
 	panel = of_drm_find_panel(np);
 	if (!IS_ERR(panel)) {
-		bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DSI);
+		bridge = drm_panel_bridge_add_typed(panel,
+						    DRM_MODE_CONNECTOR_DSI);
 	} else {
 		bridge = of_drm_find_bridge(dev->dev.of_node);
 		if (!bridge)
diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c
index 7aa789c35882..cc33dc411b9e 100644
--- a/drivers/gpu/drm/bridge/dumb-vga-dac.c
+++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c
@@ -12,6 +12,7 @@
 #include <linux/regulator/consumer.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c
index 2ab2c234f26c..e2132a8d5106 100644
--- a/drivers/gpu/drm/bridge/lvds-encoder.c
+++ b/drivers/gpu/drm/bridge/lvds-encoder.c
@@ -106,7 +106,8 @@ static int lvds_encoder_probe(struct platform_device *pdev)
 	}
 
 	lvds_encoder->panel_bridge =
-		devm_drm_panel_bridge_add(dev, panel, DRM_MODE_CONNECTOR_LVDS);
+		devm_drm_panel_bridge_add_typed(dev, panel,
+						DRM_MODE_CONNECTOR_LVDS);
 	if (IS_ERR(lvds_encoder->panel_bridge))
 		return PTR_ERR(lvds_encoder->panel_bridge);
 
diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
index 6e81e5db57f2..e8a49f6146c6 100644
--- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
+++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
@@ -25,6 +25,7 @@
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c
index d4a1cc5052c3..57ff01339559 100644
--- a/drivers/gpu/drm/bridge/nxp-ptn3460.c
+++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_of.h>
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
index b12ae3a4c5f1..f4e293e7cf64 100644
--- a/drivers/gpu/drm/bridge/panel.c
+++ b/drivers/gpu/drm/bridge/panel.c
@@ -5,6 +5,7 @@
  */
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_connector.h>
 #include <drm/drm_encoder.h>
 #include <drm/drm_modeset_helper_vtables.h>
@@ -133,8 +134,6 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = {
  * just calls the appropriate functions from &drm_panel.
  *
  * @panel: The drm_panel being wrapped.  Must be non-NULL.
- * @connector_type: The DRM_MODE_CONNECTOR_* for the connector to be
- * created.
  *
  * For drivers converting from directly using drm_panel: The expected
  * usage pattern is that during either encoder module probe or DSI
@@ -148,11 +147,37 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = {
  * drm_mode_config_cleanup() if the bridge has already been attached), then
  * drm_panel_bridge_remove() to free it.
  *
+ * The connector type is set to @panel->connector_type, which must be set to a
+ * known type. Calling this function with a panel whose connector type is
+ * DRM_MODE_CONNECTOR_Unknown will return NULL.
+ *
  * See devm_drm_panel_bridge_add() for an automatically manged version of this
  * function.
  */
-struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel,
-					u32 connector_type)
+struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel)
+{
+	if (WARN_ON(panel->connector_type == DRM_MODE_CONNECTOR_Unknown))
+		return NULL;
+
+	return drm_panel_bridge_add_typed(panel, panel->connector_type);
+}
+EXPORT_SYMBOL(drm_panel_bridge_add);
+
+/**
+ * drm_panel_bridge_add_typed - Creates a &drm_bridge and &drm_connector with
+ * an explicit connector type.
+ * @panel: The drm_panel being wrapped.  Must be non-NULL.
+ * @connector_type: The connector type (DRM_MODE_CONNECTOR_*)
+ *
+ * This is just like drm_panel_bridge_add(), but forces the connector type to
+ * @connector_type instead of infering it from the panel.
+ *
+ * This function is deprecated and should not be used in new drivers. Use
+ * drm_panel_bridge_add() instead, and fix panel drivers as necessary if they
+ * don't report a connector type.
+ */
+struct drm_bridge *drm_panel_bridge_add_typed(struct drm_panel *panel,
+					      u32 connector_type)
 {
 	struct panel_bridge *panel_bridge;
 
@@ -176,7 +201,7 @@ struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel,
 
 	return &panel_bridge->bridge;
 }
-EXPORT_SYMBOL(drm_panel_bridge_add);
+EXPORT_SYMBOL(drm_panel_bridge_add_typed);
 
 /**
  * drm_panel_bridge_remove - Unregisters and frees a drm_bridge
@@ -213,15 +238,38 @@ static void devm_drm_panel_bridge_release(struct device *dev, void *res)
  * that just calls the appropriate functions from &drm_panel.
  * @dev: device to tie the bridge lifetime to
  * @panel: The drm_panel being wrapped.  Must be non-NULL.
- * @connector_type: The DRM_MODE_CONNECTOR_* for the connector to be
- * created.
  *
  * This is the managed version of drm_panel_bridge_add() which automatically
  * calls drm_panel_bridge_remove() when @dev is unbound.
  */
 struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
-					     struct drm_panel *panel,
-					     u32 connector_type)
+					     struct drm_panel *panel)
+{
+	if (WARN_ON(panel->connector_type == DRM_MODE_CONNECTOR_Unknown))
+		return NULL;
+
+	return devm_drm_panel_bridge_add_typed(dev, panel,
+					       panel->connector_type);
+}
+EXPORT_SYMBOL(devm_drm_panel_bridge_add);
+
+/**
+ * devm_drm_panel_bridge_add_typed - Creates a managed &drm_bridge and
+ * &drm_connector with an explicit connector type.
+ * @dev: device to tie the bridge lifetime to
+ * @panel: The drm_panel being wrapped.  Must be non-NULL.
+ * @connector_type: The connector type (DRM_MODE_CONNECTOR_*)
+ *
+ * This is just like devm_drm_panel_bridge_add(), but forces the connector type
+ * to @connector_type instead of infering it from the panel.
+ *
+ * This function is deprecated and should not be used in new drivers. Use
+ * devm_drm_panel_bridge_add() instead, and fix panel drivers as necessary if
+ * they don't report a connector type.
+ */
+struct drm_bridge *devm_drm_panel_bridge_add_typed(struct device *dev,
+						   struct drm_panel *panel,
+						   u32 connector_type)
 {
 	struct drm_bridge **ptr, *bridge;
 
@@ -230,7 +278,7 @@ struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
 	if (!ptr)
 		return ERR_PTR(-ENOMEM);
 
-	bridge = drm_panel_bridge_add(panel, connector_type);
+	bridge = drm_panel_bridge_add_typed(panel, connector_type);
 	if (!IS_ERR(bridge)) {
 		*ptr = bridge;
 		devres_add(dev, ptr);
@@ -240,4 +288,4 @@ struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
 
 	return bridge;
 }
-EXPORT_SYMBOL(devm_drm_panel_bridge_add);
+EXPORT_SYMBOL(devm_drm_panel_bridge_add_typed);
diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c
index 93c68e2e9484..b7a72dfdcac3 100644
--- a/drivers/gpu/drm/bridge/parade-ps8622.c
+++ b/drivers/gpu/drm/bridge/parade-ps8622.c
@@ -17,6 +17,7 @@
 #include <linux/regulator/consumer.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_of.h>
 #include <drm/drm_panel.h>
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 38f75ac580df..b70e8c5cf2e1 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -20,6 +20,7 @@
 #include <linux/clk.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_print.h>
diff --git a/drivers/gpu/drm/bridge/sii9234.c b/drivers/gpu/drm/bridge/sii9234.c
index 25d4ad8c7ad6..f81f81b7051f 100644
--- a/drivers/gpu/drm/bridge/sii9234.c
+++ b/drivers/gpu/drm/bridge/sii9234.c
@@ -13,6 +13,7 @@
  *    Dharam Kumar <dharam.kr@samsung.com>
  */
 #include <drm/bridge/mhl.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
 
@@ -841,39 +842,28 @@ static int sii9234_init_resources(struct sii9234 *ctx,
 
 	ctx->client[I2C_MHL] = client;
 
-	ctx->client[I2C_TPI] = i2c_new_dummy(adapter, I2C_TPI_ADDR);
-	if (!ctx->client[I2C_TPI]) {
+	ctx->client[I2C_TPI] = devm_i2c_new_dummy_device(&client->dev, adapter,
+							 I2C_TPI_ADDR);
+	if (IS_ERR(ctx->client[I2C_TPI])) {
 		dev_err(ctx->dev, "failed to create TPI client\n");
-		return -ENODEV;
+		return PTR_ERR(ctx->client[I2C_TPI]);
 	}
 
-	ctx->client[I2C_HDMI] = i2c_new_dummy(adapter, I2C_HDMI_ADDR);
-	if (!ctx->client[I2C_HDMI]) {
+	ctx->client[I2C_HDMI] = devm_i2c_new_dummy_device(&client->dev, adapter,
+							  I2C_HDMI_ADDR);
+	if (IS_ERR(ctx->client[I2C_HDMI])) {
 		dev_err(ctx->dev, "failed to create HDMI RX client\n");
-		goto fail_tpi;
+		return PTR_ERR(ctx->client[I2C_HDMI]);
 	}
 
-	ctx->client[I2C_CBUS] = i2c_new_dummy(adapter, I2C_CBUS_ADDR);
-	if (!ctx->client[I2C_CBUS]) {
+	ctx->client[I2C_CBUS] = devm_i2c_new_dummy_device(&client->dev, adapter,
+							  I2C_CBUS_ADDR);
+	if (IS_ERR(ctx->client[I2C_CBUS])) {
 		dev_err(ctx->dev, "failed to create CBUS client\n");
-		goto fail_hdmi;
+		return PTR_ERR(ctx->client[I2C_CBUS]);
 	}
 
 	return 0;
-
-fail_hdmi:
-	i2c_unregister_device(ctx->client[I2C_HDMI]);
-fail_tpi:
-	i2c_unregister_device(ctx->client[I2C_TPI]);
-
-	return -ENODEV;
-}
-
-static void sii9234_deinit_resources(struct sii9234 *ctx)
-{
-	i2c_unregister_device(ctx->client[I2C_CBUS]);
-	i2c_unregister_device(ctx->client[I2C_HDMI]);
-	i2c_unregister_device(ctx->client[I2C_TPI]);
 }
 
 static inline struct sii9234 *bridge_to_sii9234(struct drm_bridge *bridge)
@@ -950,7 +940,6 @@ static int sii9234_remove(struct i2c_client *client)
 
 	sii9234_cable_out(ctx);
 	drm_bridge_remove(&ctx->bridge);
-	sii9234_deinit_resources(ctx);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index bd3165ee5354..4c0eef406eb1 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -9,6 +9,7 @@
 #include <asm/unaligned.h>
 
 #include <drm/bridge/mhl.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_encoder.h>
@@ -1759,10 +1760,8 @@ static bool sii8620_rcp_consume(struct sii8620 *ctx, u8 scancode)
 
 	scancode &= MHL_RCP_KEY_ID_MASK;
 
-	if (!ctx->rc_dev) {
-		dev_dbg(ctx->dev, "RCP input device not initialized\n");
+	if (!IS_ENABLED(CONFIG_RC_CORE) || !ctx->rc_dev)
 		return false;
-	}
 
 	if (pressed)
 		rc_keydown(ctx->rc_dev, RC_PROTO_CEC, scancode, 0);
@@ -2099,6 +2098,9 @@ static void sii8620_init_rcp_input_dev(struct sii8620 *ctx)
 	struct rc_dev *rc_dev;
 	int ret;
 
+	if (!IS_ENABLED(CONFIG_RC_CORE))
+		return;
+
 	rc_dev = rc_allocate_device(RC_DRIVER_SCANCODE);
 	if (!rc_dev) {
 		dev_err(ctx->dev, "Failed to allocate RC device\n");
@@ -2213,6 +2215,9 @@ static void sii8620_detach(struct drm_bridge *bridge)
 {
 	struct sii8620 *ctx = bridge_to_sii8620(bridge);
 
+	if (!IS_ENABLED(CONFIG_RC_CORE))
+		return;
+
 	rc_unregister_device(ctx->rc_dev);
 }
 
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
index ac1e001d0882..70ab4fbdc23e 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
@@ -285,7 +285,7 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
 
 	ret = cec_register_adapter(cec->adap, pdev->dev.parent);
 	if (ret < 0) {
-		cec_notifier_cec_adap_unregister(cec->notify);
+		cec_notifier_cec_adap_unregister(cec->notify, cec->adap);
 		return ret;
 	}
 
@@ -302,7 +302,7 @@ static int dw_hdmi_cec_remove(struct platform_device *pdev)
 {
 	struct dw_hdmi_cec *cec = platform_get_drvdata(pdev);
 
-	cec_notifier_cec_adap_unregister(cec->notify);
+	cec_notifier_cec_adap_unregister(cec->notify, cec->adap);
 	cec_unregister_adapter(cec->adap);
 
 	return 0;
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
index 6c2c44d0bdee..d7e65c869415 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
@@ -102,6 +102,7 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data,
 	}
 
 	dw_hdmi_set_sample_rate(hdmi, hparms->sample_rate);
+	dw_hdmi_set_channel_status(hdmi, hparms->iec.status);
 	dw_hdmi_set_channel_count(hdmi, hparms->channels);
 	dw_hdmi_set_channel_allocation(hdmi, hparms->cea.channel_allocation);
 
@@ -109,6 +110,14 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data,
 	hdmi_write(audio, conf0, HDMI_AUD_CONF0);
 	hdmi_write(audio, conf1, HDMI_AUD_CONF1);
 
+	return 0;
+}
+
+static int dw_hdmi_i2s_audio_startup(struct device *dev, void *data)
+{
+	struct dw_hdmi_i2s_audio_data *audio = data;
+	struct dw_hdmi *hdmi = audio->hdmi;
+
 	dw_hdmi_audio_enable(hdmi);
 
 	return 0;
@@ -163,6 +172,7 @@ static int dw_hdmi_i2s_hook_plugged_cb(struct device *dev, void *data,
 
 static struct hdmi_codec_ops dw_hdmi_i2s_ops = {
 	.hw_params	= dw_hdmi_i2s_hw_params,
+	.audio_startup  = dw_hdmi_i2s_audio_startup,
 	.audio_shutdown	= dw_hdmi_i2s_audio_shutdown,
 	.get_eld	= dw_hdmi_i2s_get_eld,
 	.get_dai_id	= dw_hdmi_i2s_get_dai_id,
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 2102872bf43c..67fca439bbfb 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -25,7 +25,9 @@
 #include <uapi/linux/videodev2.h>
 
 #include <drm/bridge/dw_hdmi.h>
+#include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_of.h>
 #include <drm/drm_print.h>
@@ -36,6 +38,7 @@
 #include "dw-hdmi-cec.h"
 #include "dw-hdmi.h"
 
+#define DDC_CI_ADDR		0x37
 #define DDC_SEGMENT_ADDR	0x30
 
 #define HDMI_EDID_LEN		512
@@ -424,6 +427,15 @@ static int dw_hdmi_i2c_xfer(struct i2c_adapter *adap,
 	u8 addr = msgs[0].addr;
 	int i, ret = 0;
 
+	if (addr == DDC_CI_ADDR)
+		/*
+		 * The internal I2C controller does not support the multi-byte
+		 * read and write operations needed for DDC/CI.
+		 * TOFIX: Blacklist the DDC/CI address until we filter out
+		 * unsupported I2C operations.
+		 */
+		return -EOPNOTSUPP;
+
 	dev_dbg(hdmi->dev, "xfer: num: %d, addr: %#x\n", num, addr);
 
 	for (i = 0; i < num; i++) {
@@ -606,6 +618,26 @@ static unsigned int hdmi_compute_n(unsigned int freq, unsigned long pixel_clk)
 	return n;
 }
 
+/*
+ * When transmitting IEC60958 linear PCM audio, these registers allow to
+ * configure the channel status information of all the channel status
+ * bits in the IEC60958 frame. For the moment this configuration is only
+ * used when the I2S audio interface, General Purpose Audio (GPA),
+ * or AHB audio DMA (AHBAUDDMA) interface is active
+ * (for S/PDIF interface this information comes from the stream).
+ */
+void dw_hdmi_set_channel_status(struct dw_hdmi *hdmi,
+				u8 *channel_status)
+{
+	/*
+	 * Set channel status register for frequency and word length.
+	 * Use default values for other registers.
+	 */
+	hdmi_writeb(hdmi, channel_status[3], HDMI_FC_AUDSCHNLS7);
+	hdmi_writeb(hdmi, channel_status[4], HDMI_FC_AUDSCHNLS8);
+}
+EXPORT_SYMBOL_GPL(dw_hdmi_set_channel_status);
+
 static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi,
 	unsigned long pixel_clk, unsigned int sample_rate)
 {
@@ -1738,6 +1770,41 @@ static void hdmi_config_vendor_specific_infoframe(struct dw_hdmi *hdmi,
 			HDMI_FC_DATAUTO0_VSD_MASK);
 }
 
+static void hdmi_config_drm_infoframe(struct dw_hdmi *hdmi)
+{
+	const struct drm_connector_state *conn_state = hdmi->connector.state;
+	struct hdmi_drm_infoframe frame;
+	u8 buffer[30];
+	ssize_t err;
+	int i;
+
+	if (!hdmi->plat_data->use_drm_infoframe)
+		return;
+
+	hdmi_modb(hdmi, HDMI_FC_PACKET_TX_EN_DRM_DISABLE,
+		  HDMI_FC_PACKET_TX_EN_DRM_MASK, HDMI_FC_PACKET_TX_EN);
+
+	err = drm_hdmi_infoframe_set_hdr_metadata(&frame, conn_state);
+	if (err < 0)
+		return;
+
+	err = hdmi_drm_infoframe_pack(&frame, buffer, sizeof(buffer));
+	if (err < 0) {
+		dev_err(hdmi->dev, "Failed to pack drm infoframe: %zd\n", err);
+		return;
+	}
+
+	hdmi_writeb(hdmi, frame.version, HDMI_FC_DRM_HB0);
+	hdmi_writeb(hdmi, frame.length, HDMI_FC_DRM_HB1);
+
+	for (i = 0; i < frame.length; i++)
+		hdmi_writeb(hdmi, buffer[4 + i], HDMI_FC_DRM_PB0 + i);
+
+	hdmi_writeb(hdmi, 1, HDMI_FC_DRM_UP);
+	hdmi_modb(hdmi, HDMI_FC_PACKET_TX_EN_DRM_ENABLE,
+		  HDMI_FC_PACKET_TX_EN_DRM_MASK, HDMI_FC_PACKET_TX_EN);
+}
+
 static void hdmi_av_composer(struct dw_hdmi *hdmi,
 			     const struct drm_display_mode *mode)
 {
@@ -2049,7 +2116,7 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
 
 		/* HDMI Initialization Step E - Configure audio */
 		hdmi_clk_regenerator_update_pixel_clock(hdmi);
-		hdmi_enable_audio_clk(hdmi, true);
+		hdmi_enable_audio_clk(hdmi, hdmi->audio_enable);
 	}
 
 	/* not for DVI mode */
@@ -2059,6 +2126,7 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
 		/* HDMI Initialization Step F - Configure AVI InfoFrame */
 		hdmi_config_AVI(hdmi, mode);
 		hdmi_config_vendor_specific_infoframe(hdmi, mode);
+		hdmi_config_drm_infoframe(hdmi);
 	} else {
 		dev_dbg(hdmi->dev, "%s DVI mode\n", __func__);
 	}
@@ -2237,6 +2305,45 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
 	return ret;
 }
 
+static bool hdr_metadata_equal(const struct drm_connector_state *old_state,
+			       const struct drm_connector_state *new_state)
+{
+	struct drm_property_blob *old_blob = old_state->hdr_output_metadata;
+	struct drm_property_blob *new_blob = new_state->hdr_output_metadata;
+
+	if (!old_blob || !new_blob)
+		return old_blob == new_blob;
+
+	if (old_blob->length != new_blob->length)
+		return false;
+
+	return !memcmp(old_blob->data, new_blob->data, old_blob->length);
+}
+
+static int dw_hdmi_connector_atomic_check(struct drm_connector *connector,
+					  struct drm_atomic_state *state)
+{
+	struct drm_connector_state *old_state =
+		drm_atomic_get_old_connector_state(state, connector);
+	struct drm_connector_state *new_state =
+		drm_atomic_get_new_connector_state(state, connector);
+	struct drm_crtc *crtc = new_state->crtc;
+	struct drm_crtc_state *crtc_state;
+
+	if (!crtc)
+		return 0;
+
+	if (!hdr_metadata_equal(old_state, new_state)) {
+		crtc_state = drm_atomic_get_crtc_state(state, crtc);
+		if (IS_ERR(crtc_state))
+			return PTR_ERR(crtc_state);
+
+		crtc_state->mode_changed = true;
+	}
+
+	return 0;
+}
+
 static void dw_hdmi_connector_force(struct drm_connector *connector)
 {
 	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
@@ -2261,6 +2368,7 @@ static const struct drm_connector_funcs dw_hdmi_connector_funcs = {
 
 static const struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = {
 	.get_modes = dw_hdmi_connector_get_modes,
+	.atomic_check = dw_hdmi_connector_atomic_check,
 };
 
 static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
@@ -2281,6 +2389,10 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
 				    DRM_MODE_CONNECTOR_HDMIA,
 				    hdmi->ddc);
 
+	if (hdmi->version >= 0x200a && hdmi->plat_data->use_drm_infoframe)
+		drm_object_attach_property(&connector->base,
+			connector->dev->mode_config.hdr_output_metadata_property, 0);
+
 	drm_connector_attach_encoder(connector, encoder);
 
 	cec_fill_conn_info_from_drm(&conn_info, connector);
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h
index 6988f12d89d9..1999db05bc3b 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h
@@ -158,6 +158,8 @@
 #define HDMI_FC_SPDDEVICEINF                    0x1062
 #define HDMI_FC_AUDSCONF                        0x1063
 #define HDMI_FC_AUDSSTAT                        0x1064
+#define HDMI_FC_AUDSCHNLS7                      0x106e
+#define HDMI_FC_AUDSCHNLS8                      0x106f
 #define HDMI_FC_DATACH0FILL                     0x1070
 #define HDMI_FC_DATACH1FILL                     0x1071
 #define HDMI_FC_DATACH2FILL                     0x1072
@@ -252,6 +254,7 @@
 #define HDMI_FC_POL2                            0x10DB
 #define HDMI_FC_PRCONF                          0x10E0
 #define HDMI_FC_SCRAMBLER_CTRL                  0x10E1
+#define HDMI_FC_PACKET_TX_EN                    0x10E3
 
 #define HDMI_FC_GMD_STAT                        0x1100
 #define HDMI_FC_GMD_EN                          0x1101
@@ -287,6 +290,37 @@
 #define HDMI_FC_GMD_PB26                        0x111F
 #define HDMI_FC_GMD_PB27                        0x1120
 
+#define HDMI_FC_DRM_UP                          0x1167
+#define HDMI_FC_DRM_HB0                         0x1168
+#define HDMI_FC_DRM_HB1                         0x1169
+#define HDMI_FC_DRM_PB0                         0x116A
+#define HDMI_FC_DRM_PB1                         0x116B
+#define HDMI_FC_DRM_PB2                         0x116C
+#define HDMI_FC_DRM_PB3                         0x116D
+#define HDMI_FC_DRM_PB4                         0x116E
+#define HDMI_FC_DRM_PB5                         0x116F
+#define HDMI_FC_DRM_PB6                         0x1170
+#define HDMI_FC_DRM_PB7                         0x1171
+#define HDMI_FC_DRM_PB8                         0x1172
+#define HDMI_FC_DRM_PB9                         0x1173
+#define HDMI_FC_DRM_PB10                        0x1174
+#define HDMI_FC_DRM_PB11                        0x1175
+#define HDMI_FC_DRM_PB12                        0x1176
+#define HDMI_FC_DRM_PB13                        0x1177
+#define HDMI_FC_DRM_PB14                        0x1178
+#define HDMI_FC_DRM_PB15                        0x1179
+#define HDMI_FC_DRM_PB16                        0x117A
+#define HDMI_FC_DRM_PB17                        0x117B
+#define HDMI_FC_DRM_PB18                        0x117C
+#define HDMI_FC_DRM_PB19                        0x117D
+#define HDMI_FC_DRM_PB20                        0x117E
+#define HDMI_FC_DRM_PB21                        0x117F
+#define HDMI_FC_DRM_PB22                        0x1180
+#define HDMI_FC_DRM_PB23                        0x1181
+#define HDMI_FC_DRM_PB24                        0x1182
+#define HDMI_FC_DRM_PB25                        0x1183
+#define HDMI_FC_DRM_PB26                        0x1184
+
 #define HDMI_FC_DBGFORCE                        0x1200
 #define HDMI_FC_DBGAUD0CH0                      0x1201
 #define HDMI_FC_DBGAUD1CH0                      0x1202
@@ -742,6 +776,11 @@ enum {
 	HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_MASK = 0x0F,
 	HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_OFFSET = 0,
 
+/* FC_PACKET_TX_EN field values */
+	HDMI_FC_PACKET_TX_EN_DRM_MASK = 0x80,
+	HDMI_FC_PACKET_TX_EN_DRM_ENABLE = 0x80,
+	HDMI_FC_PACKET_TX_EN_DRM_DISABLE = 0x00,
+
 /* FC_AVICONF0-FC_AVICONF3 field values */
 	HDMI_FC_AVICONF0_PIX_FMT_MASK = 0x03,
 	HDMI_FC_AVICONF0_PIX_FMT_RGB = 0x00,
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index 675442bfc1bd..b6e793bb653c 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -316,7 +316,8 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host,
 		return ret;
 
 	if (panel) {
-		bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DSI);
+		bridge = drm_panel_bridge_add_typed(panel,
+						    DRM_MODE_CONNECTOR_DSI);
 		if (IS_ERR(bridge))
 			return PTR_ERR(bridge);
 	}
@@ -981,7 +982,6 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
 	struct device *dev = &pdev->dev;
 	struct reset_control *apb_rst;
 	struct dw_mipi_dsi *dsi;
-	struct resource *res;
 	int ret;
 
 	dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);
@@ -997,11 +997,7 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
 	}
 
 	if (!plat_data->base) {
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-		if (!res)
-			return ERR_PTR(-ENODEV);
-
-		dsi->base = devm_ioremap_resource(dev, res);
+		dsi->base = devm_platform_ioremap_resource(pdev, 0);
 		if (IS_ERR(dsi->base))
 			return ERR_PTR(-ENODEV);
 
diff --git a/drivers/gpu/drm/bridge/tc358764.c b/drivers/gpu/drm/bridge/tc358764.c
index 170f162ffa55..db298f550a5a 100644
--- a/drivers/gpu/drm/bridge/tc358764.c
+++ b/drivers/gpu/drm/bridge/tc358764.c
@@ -16,6 +16,7 @@
 #include <video/mipi_display.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_mipi_dsi.h>
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 8a8d605021f0..8029478ffebb 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -26,6 +26,7 @@
 #include <linux/slab.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_dp_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_of.h>
@@ -228,7 +229,9 @@ static bool tc_test_pattern;
 module_param_named(test, tc_test_pattern, bool, 0644);
 
 struct tc_edp_link {
-	struct drm_dp_link	base;
+	u8			dpcd[DP_RECEIVER_CAP_SIZE];
+	unsigned int		rate;
+	u8			num_lanes;
 	u8			assr;
 	bool			scrambler_dis;
 	bool			spread;
@@ -437,9 +440,9 @@ static u32 tc_srcctrl(struct tc_data *tc)
 		reg |= DP0_SRCCTRL_SCRMBLDIS;	/* Scrambler Disabled */
 	if (tc->link.spread)
 		reg |= DP0_SRCCTRL_SSCG;	/* Spread Spectrum Enable */
-	if (tc->link.base.num_lanes == 2)
+	if (tc->link.num_lanes == 2)
 		reg |= DP0_SRCCTRL_LANES_2;	/* Two Main Channel Lanes */
-	if (tc->link.base.rate != 162000)
+	if (tc->link.rate != 162000)
 		reg |= DP0_SRCCTRL_BW27;	/* 2.7 Gbps link */
 	return reg;
 }
@@ -662,23 +665,35 @@ err:
 
 static int tc_get_display_props(struct tc_data *tc)
 {
+	u8 revision, num_lanes;
+	unsigned int rate;
 	int ret;
 	u8 reg;
 
 	/* Read DP Rx Link Capability */
-	ret = drm_dp_link_probe(&tc->aux, &tc->link.base);
+	ret = drm_dp_dpcd_read(&tc->aux, DP_DPCD_REV, tc->link.dpcd,
+			       DP_RECEIVER_CAP_SIZE);
 	if (ret < 0)
 		goto err_dpcd_read;
-	if (tc->link.base.rate != 162000 && tc->link.base.rate != 270000) {
+
+	revision = tc->link.dpcd[DP_DPCD_REV];
+	rate = drm_dp_max_link_rate(tc->link.dpcd);
+	num_lanes = drm_dp_max_lane_count(tc->link.dpcd);
+
+	if (rate != 162000 && rate != 270000) {
 		dev_dbg(tc->dev, "Falling to 2.7 Gbps rate\n");
-		tc->link.base.rate = 270000;
+		rate = 270000;
 	}
 
-	if (tc->link.base.num_lanes > 2) {
+	tc->link.rate = rate;
+
+	if (num_lanes > 2) {
 		dev_dbg(tc->dev, "Falling to 2 lanes\n");
-		tc->link.base.num_lanes = 2;
+		num_lanes = 2;
 	}
 
+	tc->link.num_lanes = num_lanes;
+
 	ret = drm_dp_dpcd_readb(&tc->aux, DP_MAX_DOWNSPREAD, &reg);
 	if (ret < 0)
 		goto err_dpcd_read;
@@ -696,11 +711,11 @@ static int tc_get_display_props(struct tc_data *tc)
 	tc->link.assr = reg & DP_ALTERNATE_SCRAMBLER_RESET_ENABLE;
 
 	dev_dbg(tc->dev, "DPCD rev: %d.%d, rate: %s, lanes: %d, framing: %s\n",
-		tc->link.base.revision >> 4, tc->link.base.revision & 0x0f,
-		(tc->link.base.rate == 162000) ? "1.62Gbps" : "2.7Gbps",
-		tc->link.base.num_lanes,
-		(tc->link.base.capabilities & DP_LINK_CAP_ENHANCED_FRAMING) ?
-		"enhanced" : "non-enhanced");
+		revision >> 4, revision & 0x0f,
+		(tc->link.rate == 162000) ? "1.62Gbps" : "2.7Gbps",
+		tc->link.num_lanes,
+		drm_dp_enhanced_frame_cap(tc->link.dpcd) ?
+		"enhanced" : "default");
 	dev_dbg(tc->dev, "Downspread: %s, scrambler: %s\n",
 		tc->link.spread ? "0.5%" : "0.0%",
 		tc->link.scrambler_dis ? "disabled" : "enabled");
@@ -739,7 +754,7 @@ static int tc_set_video_mode(struct tc_data *tc,
 	 */
 
 	in_bw = mode->clock * bits_per_pixel / 8;
-	out_bw = tc->link.base.num_lanes * tc->link.base.rate;
+	out_bw = tc->link.num_lanes * tc->link.rate;
 	max_tu_symbol = DIV_ROUND_UP(in_bw * TU_SIZE_RECOMMENDED, out_bw);
 
 	dev_dbg(tc->dev, "set mode %dx%d\n",
@@ -901,7 +916,7 @@ static int tc_main_link_enable(struct tc_data *tc)
 	/* SSCG and BW27 on DP1 must be set to the same as on DP0 */
 	ret = regmap_write(tc->regmap, DP1_SRCCTRL,
 		 (tc->link.spread ? DP0_SRCCTRL_SSCG : 0) |
-		 ((tc->link.base.rate != 162000) ? DP0_SRCCTRL_BW27 : 0));
+		 ((tc->link.rate != 162000) ? DP0_SRCCTRL_BW27 : 0));
 	if (ret)
 		return ret;
 
@@ -911,7 +926,7 @@ static int tc_main_link_enable(struct tc_data *tc)
 
 	/* Setup Main Link */
 	dp_phy_ctrl = BGREN | PWR_SW_EN | PHY_A0_EN | PHY_M0_EN;
-	if (tc->link.base.num_lanes == 2)
+	if (tc->link.num_lanes == 2)
 		dp_phy_ctrl |= PHY_2LANE;
 
 	ret = regmap_write(tc->regmap, DP_PHY_CTRL, dp_phy_ctrl);
@@ -974,7 +989,13 @@ static int tc_main_link_enable(struct tc_data *tc)
 	}
 
 	/* Setup Link & DPRx Config for Training */
-	ret = drm_dp_link_configure(aux, &tc->link.base);
+	tmp[0] = drm_dp_link_rate_to_bw_code(tc->link.rate);
+	tmp[1] = tc->link.num_lanes;
+
+	if (drm_dp_enhanced_frame_cap(tc->link.dpcd))
+		tmp[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
+
+	ret = drm_dp_dpcd_write(aux, DP_LINK_BW_SET, tmp, 2);
 	if (ret < 0)
 		goto err_dpcd_write;
 
@@ -1018,9 +1039,8 @@ static int tc_main_link_enable(struct tc_data *tc)
 
 	/* Enable DP0 to start Link Training */
 	ret = regmap_write(tc->regmap, DP0CTL,
-			   ((tc->link.base.capabilities &
-			     DP_LINK_CAP_ENHANCED_FRAMING) ? EF_EN : 0) |
-			   DP_EN);
+			   (drm_dp_enhanced_frame_cap(tc->link.dpcd) ?
+				EF_EN : 0) | DP_EN);
 	if (ret)
 		return ret;
 
@@ -1099,7 +1119,7 @@ static int tc_main_link_enable(struct tc_data *tc)
 		ret = -ENODEV;
 	}
 
-	if (tc->link.base.num_lanes == 2) {
+	if (tc->link.num_lanes == 2) {
 		value = (tmp[0] >> 4) & DP_CHANNEL_EQ_BITS;
 
 		if (value != DP_CHANNEL_EQ_BITS) {
@@ -1170,7 +1190,7 @@ static int tc_stream_enable(struct tc_data *tc)
 		return ret;
 
 	value = VID_MN_GEN | DP_EN;
-	if (tc->link.base.capabilities & DP_LINK_CAP_ENHANCED_FRAMING)
+	if (drm_dp_enhanced_frame_cap(tc->link.dpcd))
 		value |= EF_EN;
 	ret = regmap_write(tc->regmap, DP0CTL, value);
 	if (ret)
@@ -1296,7 +1316,7 @@ static enum drm_mode_status tc_mode_valid(struct drm_bridge *bridge,
 		return MODE_CLOCK_HIGH;
 
 	req = mode->clock * bits_per_pixel / 8;
-	avail = tc->link.base.num_lanes * tc->link.base.rate;
+	avail = tc->link.num_lanes * tc->link.rate;
 
 	if (req > avail)
 		return MODE_BAD;
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 0a580957c8cf..43abf01ebd4c 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -17,6 +17,7 @@
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_dp_helper.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_of.h>
diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c
index 61cc2354ef1b..aa3198dc9903 100644
--- a/drivers/gpu/drm/bridge/ti-tfp410.c
+++ b/drivers/gpu/drm/bridge/ti-tfp410.c
@@ -14,6 +14,7 @@
 #include <linux/platform_device.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>