Merge tag 'drm-next-2019-03-06' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This is the main drm pull request for the 5.1 merge window.

  The big changes I'd highlight are:
   - nouveau has HMM support now, there is finally an in-tree user so we
     can quieten down the rip it out people.
   - i915 now enables fastboot by default on Skylake+
   - Displayport Multistream support has been refactored and should
     hopefully be more reliable.

  Core:
   - header cleanups aiming towards removing drmP.h
   - dma-buf fence seqnos to 64-bits
   - common helper for DP mst hotplug for radeon,i915,amdgpu + new
     refcounting scheme
   - MST i2c improvements
   - drm_syncobj_cb removal
   - ARM FB compression fourcc
   - P010 + P016 fourcc
   - allwinner tiled format modifier
   - i2c over aux I2C_M_STOP support
   - DRM_AUTH handling fixes

  TTM:
   - ref/unref renaming

  New driver:
   - ARM komeda display driver

  scheduler:
   - refactor mirror list handling
   - rework hw fence processing
   - 0 run queue entity fix

  bridge:
   - TI DS90C185 LVDS bridge
   - thc631lvdm83d bridge improvements
   - cadence + allwinner DSI ported to generic phy

  panels:
   - Sitronix ST7701 panel
   - Kingdisplay KD097D04
   - LeMaker BL035-RGB-002
   - PDA 91-00156-A0
   - Innolux EE101IA-01D

  i915:
   - Enable fastboot by default on SKL+/VLV/CHV
   - Export RPCS configuration for ICL media driver
   - Coffelake PCI ID
   - CNL clocks setup fixes
   - ACPI/PMIC support for MIPI/DSI
   - Per-engine WA init for all engines
   - Shrinker locking fixes
   - Kerneldoc updates
   - Lots of ring improvements and reset fixes
   - Coffeelake GVT Support
   - VFIO GVT EDID Region support
   - runtime PM wakeref tracking
   - ILK->IVB primary plane enable delays
   - userptr mutex locking fixes
   - DSI fixes
   - LVDS/TV cleanups
   - HW readout fixes
   - LUT robustness fixes
   - ICL display and watermark fixes
   - gem mmap race fix

  amdgpu:
   - add scheduled dependencies interface
   - DCC on scanout surfaces
   - vega10/20 BACO support
   - Multiple IH rings on soc15
   - XGMI locking fixes
   - DC i2c/aux cleanups
   - runtime SMU debug interface
   - Kexec improvmeents
   - SR-IOV fixes
   - DC freesync + ABM fixes
   - GDS fixes
   - GPUVM fixes
   - vega20 PCIE DPM switching fixes
   - Context priority handling fixes

  radeon:
   - fix missing break in evergreen parser

  nouveau:
   - SVM support via HMM

  msm:
   - QCOM Compressed modifier support

  exynos:
   - s5pv210 rotator support

  imx:
   - zpos property support
   - pending update fixes

  v3d:
   - cache flush improvments

  vc4:
   - reflection support
   - HDMI overscan support

  tegra:
   - CEC refactoring
   - HDMI audio fixes
   - Tegra186 prep work
   - SOR crossbar device tree fixes

  sun4i:
   - implicit fencing support
   - YUV and scalar support improvements
   - A23 support
   - tiling fixes

  atmel-hlcdc:
   - clipping and rotation property fixes

  qxl:
   - BO and PRIME improvements
   - generic fbdev emulation

  dw-hdmi:
   - HDMI 2.0 2160p
   - YUV420 ouput

  rockchip:
   - implicit fencing support
   - reflection proerties

  virtio-gpu:
   - use generic fbdev emulation

  tilcdc:
   - cpufreq vs crtc init fix

  rcar-du:
   - R8A774C0 support
   - D3/E3 RGB output routing fixes and DPAD0 support
   - RA87744 LVDS support

  bochs:
   - atomic and generic fbdev emulation
   - ID mismatch error on bochs load

  meson:
   - remove firmware fbs"

* tag 'drm-next-2019-03-06' of git://anongit.freedesktop.org/drm/drm: (1130 commits)
  drm/amd/display: Use vrr friendly pageflip throttling in DC.
  drm/imx: only send commit done event when all state has been applied
  drm/imx: allow building under COMPILE_TEST
  drm/imx: imx-tve: depend on COMMON_CLK
  drm/imx: ipuv3-plane: add zpos property
  drm/imx: ipuv3-plane: add function to query atomic update status
  gpu: ipu-v3: prg: add function to get channel configure status
  gpu: ipu-v3: pre: add double buffer status readback
  drm/amdgpu: Bump amdgpu version for context priority override.
  drm/amdgpu/powerplay: fix typo in BACO header guards
  drm/amdgpu/powerplay: fix return codes in BACO code
  drm/amdgpu: add missing license on baco files
  drm/bochs: Fix the ID mismatch error
  drm/nouveau/dmem: use dma addresses during migration copies
  drm/nouveau/dmem: use physical vram addresses during migration copies
  drm/nouveau/dmem: extend copy function to allow direct use of physical addresses
  drm/nouveau/svm: new ioctl to migrate process memory to GPU memory
  drm/nouveau/dmem: device memory helpers for SVM
  drm/nouveau/svm: initial support for shared virtual memory
  drm/nouveau: prepare for enabling svm with existing userspace interfaces
  ...

23 files changed, 443 insertions, 220 deletions

diff --git a/drivers/gpu/drm/i915/gvt/Makefile b/drivers/gpu/drm/i915/gvt/Makefile
index b016dc753db9..271fb46d4dd0 100644
--- a/drivers/gpu/drm/i915/gvt/Makefile
+++ b/drivers/gpu/drm/i915/gvt/Makefile
@@ -7,4 +7,3 @@ GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \
 
 ccflags-y				+= -I$(src) -I$(src)/$(GVT_DIR)
 i915-y					+= $(addprefix $(GVT_DIR)/, $(GVT_SOURCE))
-obj-$(CONFIG_DRM_I915_GVT_KVMGT)	+= $(GVT_DIR)/kvmgt.o
diff --git a/drivers/gpu/drm/i915/gvt/aperture_gm.c b/drivers/gpu/drm/i915/gvt/aperture_gm.c
index 359d37d5c958..1fa2f65c3cd1 100644
--- a/drivers/gpu/drm/i915/gvt/aperture_gm.c
+++ b/drivers/gpu/drm/i915/gvt/aperture_gm.c
@@ -180,7 +180,7 @@ static void free_vgpu_fence(struct intel_vgpu *vgpu)
 	}
 	mutex_unlock(&dev_priv->drm.struct_mutex);
 
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put_unchecked(dev_priv);
 }
 
 static int alloc_vgpu_fence(struct intel_vgpu *vgpu)
@@ -206,7 +206,7 @@ static int alloc_vgpu_fence(struct intel_vgpu *vgpu)
 	_clear_vgpu_fence(vgpu);
 
 	mutex_unlock(&dev_priv->drm.struct_mutex);
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put_unchecked(dev_priv);
 	return 0;
 out_free_fence:
 	gvt_vgpu_err("Failed to alloc fences\n");
@@ -219,7 +219,7 @@ out_free_fence:
 		vgpu->fence.regs[i] = NULL;
 	}
 	mutex_unlock(&dev_priv->drm.struct_mutex);
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put_unchecked(dev_priv);
 	return -ENOSPC;
 }
 
@@ -317,7 +317,7 @@ void intel_vgpu_reset_resource(struct intel_vgpu *vgpu)
 
 	intel_runtime_pm_get(dev_priv);
 	_clear_vgpu_fence(vgpu);
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put_unchecked(dev_priv);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 77ae634eb11c..35b4ec3f7618 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -55,10 +55,10 @@ struct sub_op_bits {
 	int low;
 };
 struct decode_info {
-	char *name;
+	const char *name;
 	int op_len;
 	int nr_sub_op;
-	struct sub_op_bits *sub_op;
+	const struct sub_op_bits *sub_op;
 };
 
 #define   MAX_CMD_BUDGET			0x7fffffff
@@ -375,7 +375,7 @@ typedef int (*parser_cmd_handler)(struct parser_exec_state *s);
 #define ADDR_FIX_5(x1, x2, x3, x4, x5)  (ADDR_FIX_1(x1) | ADDR_FIX_4(x2, x3, x4, x5))
 
 struct cmd_info {
-	char *name;
+	const char *name;
 	u32 opcode;
 
 #define F_LEN_MASK	(1U<<0)
@@ -399,10 +399,10 @@ struct cmd_info {
 #define R_VECS	(1 << VECS)
 #define R_ALL (R_RCS | R_VCS | R_BCS | R_VECS)
 	/* rings that support this cmd: BLT/RCS/VCS/VECS */
-	uint16_t rings;
+	u16 rings;
 
 	/* devices that support this cmd: SNB/IVB/HSW/... */
-	uint16_t devices;
+	u16 devices;
 
 	/* which DWords are address that need fix up.
 	 * bit 0 means a 32-bit non address operand in command
@@ -412,20 +412,20 @@ struct cmd_info {
 	 * No matter the address length, each address only takes
 	 * one bit in the bitmap.
 	 */
-	uint16_t addr_bitmap;
+	u16 addr_bitmap;
 
 	/* flag == F_LEN_CONST : command length
 	 * flag == F_LEN_VAR : length bias bits
 	 * Note: length is in DWord
 	 */
-	uint8_t	len;
+	u8 len;
 
 	parser_cmd_handler handler;
 };
 
 struct cmd_entry {
 	struct hlist_node hlist;
-	struct cmd_info *info;
+	const struct cmd_info *info;
 };
 
 enum {
@@ -474,7 +474,7 @@ struct parser_exec_state {
 	int saved_buf_addr_type;
 	bool is_ctx_wa;
 
-	struct cmd_info *info;
+	const struct cmd_info *info;
 
 	struct intel_vgpu_workload *workload;
 };
@@ -485,12 +485,12 @@ struct parser_exec_state {
 static unsigned long bypass_scan_mask = 0;
 
 /* ring ALL, type = 0 */
-static struct sub_op_bits sub_op_mi[] = {
+static const struct sub_op_bits sub_op_mi[] = {
 	{31, 29},
 	{28, 23},
 };
 
-static struct decode_info decode_info_mi = {
+static const struct decode_info decode_info_mi = {
 	"MI",
 	OP_LEN_MI,
 	ARRAY_SIZE(sub_op_mi),
@@ -498,12 +498,12 @@ static struct decode_info decode_info_mi = {
 };
 
 /* ring RCS, command type 2 */
-static struct sub_op_bits sub_op_2d[] = {
+static const struct sub_op_bits sub_op_2d[] = {
 	{31, 29},
 	{28, 22},
 };
 
-static struct decode_info decode_info_2d = {
+static const struct decode_info decode_info_2d = {
 	"2D",
 	OP_LEN_2D,
 	ARRAY_SIZE(sub_op_2d),
@@ -511,14 +511,14 @@ static struct decode_info decode_info_2d = {
 };
 
 /* ring RCS, command type 3 */
-static struct sub_op_bits sub_op_3d_media[] = {
+static const struct sub_op_bits sub_op_3d_media[] = {
 	{31, 29},
 	{28, 27},
 	{26, 24},
 	{23, 16},
 };
 
-static struct decode_info decode_info_3d_media = {
+static const struct decode_info decode_info_3d_media = {
 	"3D_Media",
 	OP_LEN_3D_MEDIA,
 	ARRAY_SIZE(sub_op_3d_media),
@@ -526,7 +526,7 @@ static struct decode_info decode_info_3d_media = {
 };
 
 /* ring VCS, command type 3 */
-static struct sub_op_bits sub_op_mfx_vc[] = {
+static const struct sub_op_bits sub_op_mfx_vc[] = {
 	{31, 29},
 	{28, 27},
 	{26, 24},
@@ -534,7 +534,7 @@ static struct sub_op_bits sub_op_mfx_vc[] = {
 	{20, 16},
 };
 
-static struct decode_info decode_info_mfx_vc = {
+static const struct decode_info decode_info_mfx_vc = {
 	"MFX_VC",
 	OP_LEN_MFX_VC,
 	ARRAY_SIZE(sub_op_mfx_vc),
@@ -542,7 +542,7 @@ static struct decode_info decode_info_mfx_vc = {
 };
 
 /* ring VECS, command type 3 */
-static struct sub_op_bits sub_op_vebox[] = {
+static const struct sub_op_bits sub_op_vebox[] = {
 	{31, 29},
 	{28, 27},
 	{26, 24},
@@ -550,14 +550,14 @@ static struct sub_op_bits sub_op_vebox[] = {
 	{20, 16},
 };
 
-static struct decode_info decode_info_vebox = {
+static const struct decode_info decode_info_vebox = {
 	"VEBOX",
 	OP_LEN_VEBOX,
 	ARRAY_SIZE(sub_op_vebox),
 	sub_op_vebox,
 };
 
-static struct decode_info *ring_decode_info[I915_NUM_ENGINES][8] = {
+static const struct decode_info *ring_decode_info[I915_NUM_ENGINES][8] = {
 	[RCS] = {
 		&decode_info_mi,
 		NULL,
@@ -616,7 +616,7 @@ static struct decode_info *ring_decode_info[I915_NUM_ENGINES][8] = {
 
 static inline u32 get_opcode(u32 cmd, int ring_id)
 {
-	struct decode_info *d_info;
+	const struct decode_info *d_info;
 
 	d_info = ring_decode_info[ring_id][CMD_TYPE(cmd)];
 	if (d_info == NULL)
@@ -625,7 +625,7 @@ static inline u32 get_opcode(u32 cmd, int ring_id)
 	return cmd >> (32 - d_info->op_len);
 }
 
-static inline struct cmd_info *find_cmd_entry(struct intel_gvt *gvt,
+static inline const struct cmd_info *find_cmd_entry(struct intel_gvt *gvt,
 		unsigned int opcode, int ring_id)
 {
 	struct cmd_entry *e;
@@ -638,7 +638,7 @@ static inline struct cmd_info *find_cmd_entry(struct intel_gvt *gvt,
 	return NULL;
 }
 
-static inline struct cmd_info *get_cmd_info(struct intel_gvt *gvt,
+static inline const struct cmd_info *get_cmd_info(struct intel_gvt *gvt,
 		u32 cmd, int ring_id)
 {
 	u32 opcode;
@@ -657,7 +657,7 @@ static inline u32 sub_op_val(u32 cmd, u32 hi, u32 low)
 
 static inline void print_opcode(u32 cmd, int ring_id)
 {
-	struct decode_info *d_info;
+	const struct decode_info *d_info;
 	int i;
 
 	d_info = ring_decode_info[ring_id][CMD_TYPE(cmd)];
@@ -776,7 +776,7 @@ static inline int ip_gma_advance(struct parser_exec_state *s,
 	return 0;
 }
 
-static inline int get_cmd_length(struct cmd_info *info, u32 cmd)
+static inline int get_cmd_length(const struct cmd_info *info, u32 cmd)
 {
 	if ((info->flag & F_LEN_MASK) == F_LEN_CONST)
 		return info->len;
@@ -901,7 +901,8 @@ static int cmd_reg_handler(struct parser_exec_state *s,
 	 * It's good enough to support initializing mmio by lri command in
 	 * vgpu inhibit context on KBL.
 	 */
-	if (IS_KABYLAKE(s->vgpu->gvt->dev_priv) &&
+	if ((IS_KABYLAKE(s->vgpu->gvt->dev_priv)
+		|| IS_COFFEELAKE(s->vgpu->gvt->dev_priv)) &&
 			intel_gvt_mmio_is_in_ctx(gvt, offset) &&
 			!strncmp(cmd, "lri", 3)) {
 		intel_gvt_hypervisor_read_gpa(s->vgpu,
@@ -1280,9 +1281,7 @@ static int gen8_check_mi_display_flip(struct parser_exec_state *s,
 	if (!info->async_flip)
 		return 0;
 
-	if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 9) {
 		stride = vgpu_vreg_t(s->vgpu, info->stride_reg) & GENMASK(9, 0);
 		tile = (vgpu_vreg_t(s->vgpu, info->ctrl_reg) &
 				GENMASK(12, 10)) >> 10;
@@ -1310,9 +1309,7 @@ static int gen8_update_plane_mmio_from_mi_display_flip(
 
 	set_mask_bits(&vgpu_vreg_t(vgpu, info->surf_reg), GENMASK(31, 12),
 		      info->surf_val << 12);
-	if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 9) {
 		set_mask_bits(&vgpu_vreg_t(vgpu, info->stride_reg), GENMASK(9, 0),
 			      info->stride_val);
 		set_mask_bits(&vgpu_vreg_t(vgpu, info->ctrl_reg), GENMASK(12, 10),
@@ -1336,9 +1333,7 @@ static int decode_mi_display_flip(struct parser_exec_state *s,
 
 	if (IS_BROADWELL(dev_priv))
 		return gen8_decode_mi_display_flip(s, info);
-	if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv))
+	if (INTEL_GEN(dev_priv) >= 9)
 		return skl_decode_mi_display_flip(s, info);
 
 	return -ENODEV;
@@ -1643,8 +1638,8 @@ static int batch_buffer_needs_scan(struct parser_exec_state *s)
 static int find_bb_size(struct parser_exec_state *s, unsigned long *bb_size)
 {
 	unsigned long gma = 0;
-	struct cmd_info *info;
-	uint32_t cmd_len = 0;
+	const struct cmd_info *info;
+	u32 cmd_len = 0;
 	bool bb_end = false;
 	struct intel_vgpu *vgpu = s->vgpu;
 	u32 cmd;
@@ -1842,7 +1837,7 @@ static int cmd_handler_mi_batch_buffer_start(struct parser_exec_state *s)
 
 static int mi_noop_index;
 
-static struct cmd_info cmd_info[] = {
+static const struct cmd_info cmd_info[] = {
 	{"MI_NOOP", OP_MI_NOOP, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL},
 
 	{"MI_SET_PREDICATE", OP_MI_SET_PREDICATE, F_LEN_CONST, R_ALL, D_ALL,
@@ -2521,7 +2516,7 @@ static void add_cmd_entry(struct intel_gvt *gvt, struct cmd_entry *e)
 static int cmd_parser_exec(struct parser_exec_state *s)
 {
 	struct intel_vgpu *vgpu = s->vgpu;
-	struct cmd_info *info;
+	const struct cmd_info *info;
 	u32 cmd;
 	int ret = 0;
 
@@ -2683,7 +2678,7 @@ static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
 					I915_GTT_PAGE_SIZE)))
 		return -EINVAL;
 
-	ring_tail = wa_ctx->indirect_ctx.size + 3 * sizeof(uint32_t);
+	ring_tail = wa_ctx->indirect_ctx.size + 3 * sizeof(u32);
 	ring_size = round_up(wa_ctx->indirect_ctx.size + CACHELINE_BYTES,
 			PAGE_SIZE);
 	gma_head = wa_ctx->indirect_ctx.guest_gma;
@@ -2850,7 +2845,7 @@ put_obj:
 
 static int combine_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
 {
-	uint32_t per_ctx_start[CACHELINE_DWORDS] = {0};
+	u32 per_ctx_start[CACHELINE_DWORDS] = {0};
 	unsigned char *bb_start_sva;
 
 	if (!wa_ctx->per_ctx.valid)
@@ -2895,10 +2890,10 @@ int intel_gvt_scan_and_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
 	return 0;
 }
 
-static struct cmd_info *find_cmd_entry_any_ring(struct intel_gvt *gvt,
+static const struct cmd_info *find_cmd_entry_any_ring(struct intel_gvt *gvt,
 		unsigned int opcode, unsigned long rings)
 {
-	struct cmd_info *info = NULL;
+	const struct cmd_info *info = NULL;
 	unsigned int ring;
 
 	for_each_set_bit(ring, &rings, I915_NUM_ENGINES) {
@@ -2913,7 +2908,7 @@ static int init_cmd_table(struct intel_gvt *gvt)
 {
 	int i;
 	struct cmd_entry *e;
-	struct cmd_info	*info;
+	const struct cmd_info *info;
 	unsigned int gen_type;
 
 	gen_type = intel_gvt_get_device_type(gvt);
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index df1e14145747..035479e273be 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -198,7 +198,8 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
 			SDE_PORTC_HOTPLUG_CPT |
 			SDE_PORTD_HOTPLUG_CPT);
 
-	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ||
+	    IS_COFFEELAKE(dev_priv)) {
 		vgpu_vreg_t(vgpu, SDEISR) &= ~(SDE_PORTA_HOTPLUG_SPT |
 				SDE_PORTE_HOTPLUG_SPT);
 		vgpu_vreg_t(vgpu, SKL_FUSE_STATUS) |=
@@ -273,7 +274,8 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
 		vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED;
 	}
 
-	if ((IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) &&
+	if ((IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ||
+	     IS_COFFEELAKE(dev_priv)) &&
 			intel_vgpu_has_monitor_on_port(vgpu, PORT_E)) {
 		vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTE_HOTPLUG_SPT;
 	}
@@ -340,6 +342,7 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
 	port->dpcd->data_valid = true;
 	port->dpcd->data[DPCD_SINK_COUNT] = 0x1;
 	port->type = type;
+	port->id = resolution;
 
 	emulate_monitor_status_change(vgpu);
 
@@ -443,6 +446,36 @@ void intel_gvt_emulate_vblank(struct intel_gvt *gvt)
 }
 
 /**
+ * intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU
+ * @vgpu: a vGPU
+ * @conncted: link state
+ *
+ * This function is used to trigger hotplug interrupt for vGPU
+ *
+ */
+void intel_vgpu_emulate_hotplug(struct intel_vgpu *vgpu, bool connected)
+{
+	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+
+	/* TODO: add more platforms support */
+	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+		if (connected) {
+			vgpu_vreg_t(vgpu, SFUSE_STRAP) |=
+				SFUSE_STRAP_DDID_DETECTED;
+			vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT;
+		} else {
+			vgpu_vreg_t(vgpu, SFUSE_STRAP) &=
+				~SFUSE_STRAP_DDID_DETECTED;
+			vgpu_vreg_t(vgpu, SDEISR) &= ~SDE_PORTD_HOTPLUG_CPT;
+		}
+		vgpu_vreg_t(vgpu, SDEIIR) |= SDE_PORTD_HOTPLUG_CPT;
+		vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |=
+				PORTD_HOTPLUG_STATUS_MASK;
+		intel_vgpu_trigger_virtual_event(vgpu, DP_D_HOTPLUG);
+	}
+}
+
+/**
  * intel_vgpu_clean_display - clean vGPU virtual display emulation
  * @vgpu: a vGPU
  *
@@ -453,7 +486,8 @@ void intel_vgpu_clean_display(struct intel_vgpu *vgpu)
 {
 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 
-	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ||
+	    IS_COFFEELAKE(dev_priv))
 		clean_virtual_dp_monitor(vgpu, PORT_D);
 	else
 		clean_virtual_dp_monitor(vgpu, PORT_B);
@@ -476,7 +510,8 @@ int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution)
 
 	intel_vgpu_init_i2c_edid(vgpu);
 
-	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ||
+	    IS_COFFEELAKE(dev_priv))
 		return setup_virtual_dp_monitor(vgpu, PORT_D, GVT_DP_D,
 						resolution);
 	else
diff --git a/drivers/gpu/drm/i915/gvt/display.h b/drivers/gpu/drm/i915/gvt/display.h
index ea7c1c525b8c..a87f33e6a23c 100644
--- a/drivers/gpu/drm/i915/gvt/display.h
+++ b/drivers/gpu/drm/i915/gvt/display.h
@@ -146,18 +146,19 @@ enum intel_vgpu_port_type {
 	GVT_PORT_MAX
 };
 
+enum intel_vgpu_edid {
+	GVT_EDID_1024_768,
+	GVT_EDID_1920_1200,
+	GVT_EDID_NUM,
+};
+
 struct intel_vgpu_port {
 	/* per display EDID information */
 	struct intel_vgpu_edid_data *edid;
 	/* per display DPCD information */
 	struct intel_vgpu_dpcd_data *dpcd;
 	int type;
-};
-
-enum intel_vgpu_edid {
-	GVT_EDID_1024_768,
-	GVT_EDID_1920_1200,
-	GVT_EDID_NUM,
+	enum intel_vgpu_edid id;
 };
 
 static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
@@ -172,6 +173,30 @@ static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
 	}
 }
 
+static inline unsigned int vgpu_edid_xres(enum intel_vgpu_edid id)
+{
+	switch (id) {
+	case GVT_EDID_1024_768:
+		return 1024;
+	case GVT_EDID_1920_1200:
+		return 1920;
+	default:
+		return 0;
+	}
+}
+
+static inline unsigned int vgpu_edid_yres(enum intel_vgpu_edid id)
+{
+	switch (id) {
+	case GVT_EDID_1024_768:
+		return 768;
+	case GVT_EDID_1920_1200:
+		return 1200;
+	default:
+		return 0;
+	}
+}
+
 void intel_gvt_emulate_vblank(struct intel_gvt *gvt);
 void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt);
 
diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c
index 51ed99a37803..3e7e2b80c857 100644
--- a/drivers/gpu/drm/i915/gvt/dmabuf.c
+++ b/drivers/gpu/drm/i915/gvt/dmabuf.c
@@ -29,7 +29,6 @@
  */
 
 #include <linux/dma-buf.h>
-#include <drm/drmP.h>
 #include <linux/vfio.h>
 
 #include "i915_drv.h"
@@ -164,9 +163,7 @@ static struct drm_i915_gem_object *vgpu_create_gem(struct drm_device *dev,
 
 	obj->read_domains = I915_GEM_DOMAIN_GTT;
 	obj->write_domain = 0;
-	if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 9) {
 		unsigned int tiling_mode = 0;
 		unsigned int stride = 0;
 
diff --git a/drivers/gpu/drm/i915/gvt/edid.c b/drivers/gpu/drm/i915/gvt/edid.c
index 5d4bb35bb889..1fe6124918f1 100644
--- a/drivers/gpu/drm/i915/gvt/edid.c
+++ b/drivers/gpu/drm/i915/gvt/edid.c
@@ -77,16 +77,32 @@ static unsigned char edid_get_byte(struct intel_vgpu *vgpu)
 	return chr;
 }
 
+static inline int cnp_get_port_from_gmbus0(u32 gmbus0)
+{
+	int port_select = gmbus0 & _GMBUS_PIN_SEL_MASK;
+	int port = -EINVAL;
+
+	if (port_select == GMBUS_PIN_1_BXT)
+		port = PORT_B;
+	else if (port_select == GMBUS_PIN_2_BXT)
+		port = PORT_C;
+	else if (port_select == GMBUS_PIN_3_BXT)
+		port = PORT_D;
+	else if (port_select == GMBUS_PIN_4_CNP)
+		port = PORT_E;
+	return port;
+}
+
 static inline int bxt_get_port_from_gmbus0(u32 gmbus0)
 {
 	int port_select = gmbus0 & _GMBUS_PIN_SEL_MASK;
 	int port = -EINVAL;
 
-	if (port_select == 1)
+	if (port_select == GMBUS_PIN_1_BXT)
 		port = PORT_B;
-	else if (port_select == 2)
+	else if (port_select == GMBUS_PIN_2_BXT)
 		port = PORT_C;
-	else if (port_select == 3)
+	else if (port_select == GMBUS_PIN_3_BXT)
 		port = PORT_D;
 	return port;
 }
@@ -96,13 +112,13 @@ static inline int get_port_from_gmbus0(u32 gmbus0)
 	int port_select = gmbus0 & _GMBUS_PIN_SEL_MASK;
 	int port = -EINVAL;
 
-	if (port_select == 2)
+	if (port_select == GMBUS_PIN_VGADDC)
 		port = PORT_E;
-	else if (port_select == 4)
+	else if (port_select == GMBUS_PIN_DPC)
 		port = PORT_C;
-	else if (port_select == 5)
+	else if (port_select == GMBUS_PIN_DPB)
 		port = PORT_B;
-	else if (port_select == 6)
+	else if (port_select == GMBUS_PIN_DPD)
 		port = PORT_D;
 	return port;
 }
@@ -133,6 +149,8 @@ static int gmbus0_mmio_write(struct intel_vgpu *vgpu,
 
 	if (IS_BROXTON(dev_priv))
 		port = bxt_get_port_from_gmbus0(pin_select);
+	else if (IS_COFFEELAKE(dev_priv))
+		port = cnp_get_port_from_gmbus0(pin_select);
 	else
 		port = get_port_from_gmbus0(pin_select);
 	if (WARN_ON(port < 0))
diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c
index 85e6736f0a32..65e847392aea 100644
--- a/drivers/gpu/drm/i915/gvt/fb_decoder.c
+++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c
@@ -151,9 +151,7 @@ static u32 intel_vgpu_get_stride(struct intel_vgpu *vgpu, int pipe,
 	u32 stride_reg = vgpu_vreg_t(vgpu, DSPSTRIDE(pipe)) & stride_mask;
 	u32 stride = stride_reg;
 
-	if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 9) {
 		switch (tiled) {
 		case PLANE_CTL_TILED_LINEAR:
 			stride = stride_reg * 64;
@@ -217,9 +215,7 @@ int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,
 	if (!plane->enabled)
 		return -ENODEV;
 
-	if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 9) {
 		plane->tiled = val & PLANE_CTL_TILED_MASK;
 		fmt = skl_format_to_drm(
 			val & PLANE_CTL_FORMAT_MASK,
@@ -260,9 +256,7 @@ int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,
 	}
 
 	plane->stride = intel_vgpu_get_stride(vgpu, pipe, plane->tiled,
-		(IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv)) ?
+		(INTEL_GEN(dev_priv) >= 9) ?
 			(_PRI_PLANE_STRIDE_MASK >> 6) :
 				_PRI_PLANE_STRIDE_MASK, plane->bpp);
 
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c
index 733a2a0d0c30..43f4242062dd 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.c
+++ b/drivers/gpu/drm/i915/gvt/gvt.c
@@ -185,54 +185,9 @@ static const struct intel_gvt_ops intel_gvt_ops = {
 	.vgpu_query_plane = intel_vgpu_query_plane,
 	.vgpu_get_dmabuf = intel_vgpu_get_dmabuf,
 	.write_protect_handler = intel_vgpu_page_track_handler,
+	.emulate_hotplug = intel_vgpu_emulate_hotplug,
 };
 
-/**
- * intel_gvt_init_host - Load MPT modules and detect if we're running in host
- *
- * This function is called at the driver loading stage. If failed to find a
- * loadable MPT module or detect currently we're running in a VM, then GVT-g
- * will be disabled
- *
- * Returns:
- * Zero on success, negative error code if failed.
- *
- */
-int intel_gvt_init_host(void)
-{
-	if (intel_gvt_host.initialized)
-		return 0;
-
-	/* Xen DOM U */
-	if (xen_domain() && !xen_initial_domain())
-		return -ENODEV;
-
-	/* Try to load MPT modules for hypervisors */
-	if (xen_initial_domain()) {
-		/* In Xen dom0 */
-		intel_gvt_host.mpt = try_then_request_module(
-				symbol_get(xengt_mpt), "xengt");
-		intel_gvt_host.hypervisor_type = INTEL_GVT_HYPERVISOR_XEN;
-	} else {
-#if IS_ENABLED(CONFIG_DRM_I915_GVT_KVMGT)
-		/* not in Xen. Try KVMGT */
-		intel_gvt_host.mpt = try_then_request_module(
-				symbol_get(kvmgt_mpt), "kvmgt");
-		intel_gvt_host.hypervisor_type = INTEL_GVT_HYPERVISOR_KVM;
-#endif
-	}
-
-	/* Fail to load MPT modules - bail out */
-	if (!intel_gvt_host.mpt)
-		return -EINVAL;
-
-	gvt_dbg_core("Running with hypervisor %s in host mode\n",
-			supported_hypervisors[intel_gvt_host.hypervisor_type]);
-
-	intel_gvt_host.initialized = true;
-	return 0;
-}
-
 static void init_device_info(struct intel_gvt *gvt)
 {
 	struct intel_gvt_device_info *info = &gvt->device_info;
@@ -316,7 +271,6 @@ void intel_gvt_clean_device(struct drm_i915_private *dev_priv)
 		return;
 
 	intel_gvt_destroy_idle_vgpu(gvt->idle_vgpu);
-	intel_gvt_hypervisor_host_exit(&dev_priv->drm.pdev->dev, gvt);
 	intel_gvt_cleanup_vgpu_type_groups(gvt);
 	intel_gvt_clean_vgpu_types(gvt);
 
@@ -352,13 +306,6 @@ int intel_gvt_init_device(struct drm_i915_private *dev_priv)
 	struct intel_vgpu *vgpu;
 	int ret;
 
-	/*
-	 * Cannot initialize GVT device without intel_gvt_host gets
-	 * initialized first.
-	 */
-	if (WARN_ON(!intel_gvt_host.initialized))
-		return -EINVAL;
-
 	if (WARN_ON(dev_priv->gvt))
 		return -EEXIST;
 
@@ -420,13 +367,6 @@ int intel_gvt_init_device(struct drm_i915_private *dev_priv)
 		goto out_clean_types;
 	}
 
-	ret = intel_gvt_hypervisor_host_init(&dev_priv->drm.pdev->dev, gvt,
-				&intel_gvt_ops);
-	if (ret) {
-		gvt_err("failed to register gvt-g host device: %d\n", ret);
-		goto out_clean_types;
-	}
-
 	vgpu = intel_gvt_create_idle_vgpu(gvt);
 	if (IS_ERR(vgpu)) {
 		ret = PTR_ERR(vgpu);
@@ -441,6 +381,8 @@ int intel_gvt_init_device(struct drm_i915_private *dev_priv)
 
 	gvt_dbg_core("gvt device initialization is done\n");
 	dev_priv->gvt = gvt;
+	intel_gvt_host.dev = &dev_priv->drm.pdev->dev;
+	intel_gvt_host.initialized = true;
 	return 0;
 
 out_clean_types:
@@ -467,6 +409,45 @@ out_clean_idr:
 	return ret;
 }
 
-#if IS_ENABLED(CONFIG_DRM_I915_GVT_KVMGT)
-MODULE_SOFTDEP("pre: kvmgt");
-#endif
+int
+intel_gvt_register_hypervisor(struct intel_gvt_mpt *m)
+{
+	int ret;
+	void *gvt;
+
+	if (!intel_gvt_host.initialized)
+		return -ENODEV;
+
+	if (m->type != INTEL_GVT_HYPERVISOR_KVM &&
+	    m->type != INTEL_GVT_HYPERVISOR_XEN)
+		return -EINVAL;
+
+	/* Get a reference for device model module */
+	if (!try_module_get(THIS_MODULE))
+		return -ENODEV;
+
+	intel_gvt_host.mpt = m;
+	intel_gvt_host.hypervisor_type = m->type;
+	gvt = (void *)kdev_to_i915(intel_gvt_host.dev)->gvt;
+
+	ret = intel_gvt_hypervisor_host_init(intel_gvt_host.dev, gvt,
+					     &intel_gvt_ops);
+	if (ret < 0) {
+		gvt_err("Failed to init %s hypervisor module\n",
+			supported_hypervisors[intel_gvt_host.hypervisor_type]);
+		module_put(THIS_MODULE);
+		return -ENODEV;
+	}
+	gvt_dbg_core("Running with hypervisor %s in host mode\n",
+		     supported_hypervisors[intel_gvt_host.hypervisor_type]);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(intel_gvt_register_hypervisor);
+
+void
+intel_gvt_unregister_hypervisor(void)
+{
+	intel_gvt_hypervisor_host_exit(intel_gvt_host.dev);
+	module_put(THIS_MODULE);
+}
+EXPORT_SYMBOL_GPL(intel_gvt_unregister_hypervisor);
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index b4ab1dad0143..8bce09de4b82 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -52,12 +52,8 @@
 
 #define GVT_MAX_VGPU 8
 
-enum {
-	INTEL_GVT_HYPERVISOR_XEN = 0,
-	INTEL_GVT_HYPERVISOR_KVM,
-};
-
 struct intel_gvt_host {
+	struct device *dev;
 	bool initialized;
 	int hypervisor_type;
 	struct intel_gvt_mpt *mpt;
@@ -540,6 +536,8 @@ int intel_vgpu_emulate_cfg_read(struct intel_vgpu *vgpu, unsigned int offset,
 int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset,
 		void *p_data, unsigned int bytes);
 
+void intel_vgpu_emulate_hotplug(struct intel_vgpu *vgpu, bool connected);
+
 static inline u64 intel_vgpu_get_bar_gpa(struct intel_vgpu *vgpu, int bar)
 {
 	/* We are 64bit bar. */
@@ -581,6 +579,7 @@ struct intel_gvt_ops {
 	int (*vgpu_get_dmabuf)(struct intel_vgpu *vgpu, unsigned int);
 	int (*write_protect_handler)(struct intel_vgpu *, u64, void *,
 				     unsigned int);
+	void (*emulate_hotplug)(struct intel_vgpu *vgpu, bool connected);
 };
 
 
@@ -597,7 +596,7 @@ static inline void mmio_hw_access_pre(struct drm_i915_private *dev_priv)
 
 static inline void mmio_hw_access_post(struct drm_i915_private *dev_priv)
 {
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put_unchecked(dev_priv);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index e9f343b124b0..bc64b810e0d5 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -57,6 +57,8 @@ unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt)
 		return D_KBL;
 	else if (IS_BROXTON(gvt->dev_priv))
 		return D_BXT;
+	else if (IS_COFFEELAKE(gvt->dev_priv))
+		return D_CFL;
 
 	return 0;
 }
@@ -276,14 +278,12 @@ static int mul_force_wake_write(struct intel_vgpu *vgpu,
 		unsigned int offset, void *p_data, unsigned int bytes)
 {
 	u32 old, new;
-	uint32_t ack_reg_offset;
+	u32 ack_reg_offset;
 
 	old = vgpu_vreg(vgpu, offset);
 	new = CALC_MODE_MASK_REG(old, *(u32 *)p_data);
 
-	if (IS_SKYLAKE(vgpu->gvt->dev_priv)
-		|| IS_KABYLAKE(vgpu->gvt->dev_priv)
-		|| IS_BROXTON(vgpu->gvt->dev_priv)) {
+	if (INTEL_GEN(vgpu->gvt->dev_priv)  >=  9) {
 		switch (offset) {
 		case FORCEWAKE_RENDER_GEN9_REG:
 			ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG;
@@ -833,7 +833,7 @@ static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
 }
 
 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
-		uint8_t t)
+		u8 t)
 {
 	if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
 		/* training pattern 1 for CR */
@@ -889,9 +889,7 @@ static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
 	write_vreg(vgpu, offset, p_data, bytes);
 	data = vgpu_vreg(vgpu, offset);
 
-	if ((IS_SKYLAKE(vgpu->gvt->dev_priv)
-		|| IS_KABYLAKE(vgpu->gvt->dev_priv)
-		|| IS_BROXTON(vgpu->gvt->dev_priv))
+	if ((INTEL_GEN(vgpu->gvt->dev_priv) >= 9)
 		&& offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
 		/* SKL DPB/C/D aux ctl register changed */
 		return 0;
@@ -919,7 +917,7 @@ static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
 
 	if (op == GVT_AUX_NATIVE_WRITE) {
 		int t;
-		uint8_t buf[16];
+		u8 buf[16];
 
 		if ((addr + len + 1) >= DPCD_SIZE) {
 			/*
@@ -1407,7 +1405,8 @@ static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
 	switch (cmd) {
 	case GEN9_PCODE_READ_MEM_LATENCY:
 		if (IS_SKYLAKE(vgpu->gvt->dev_priv)
-			 || IS_KABYLAKE(vgpu->gvt->dev_priv)) {
+			 || IS_KABYLAKE(vgpu->gvt->dev_priv)
+			 || IS_COFFEELAKE(vgpu->gvt->dev_priv)) {
 			/**
 			 * "Read memory latency" command on gen9.
 			 * Below memory latency values are read
@@ -1431,7 +1430,8 @@ static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
 		break;
 	case SKL_PCODE_CDCLK_CONTROL:
 		if (IS_SKYLAKE(vgpu->gvt->dev_priv)
-			 || IS_KABYLAKE(vgpu->gvt->dev_priv))
+			 || IS_KABYLAKE(vgpu->gvt->dev_priv)
+			 || IS_COFFEELAKE(vgpu->gvt->dev_priv))
 			*data0 = SKL_CDCLK_READY_FOR_CHANGE;
 		break;
 	case GEN6_PCODE_READ_RC6VIDS:
@@ -3042,8 +3042,8 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
 	MMIO_DFH(GEN9_WM_CHICKEN3, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
 		 NULL, NULL);
 
-	MMIO_D(_MMIO(0x4ab8), D_KBL);
-	MMIO_D(_MMIO(0x2248), D_KBL | D_SKL);
+	MMIO_D(_MMIO(0x4ab8), D_KBL | D_CFL);
+	MMIO_D(_MMIO(0x2248), D_SKL_PLUS);
 
 	return 0;
 }
@@ -3303,7 +3303,8 @@ int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
 		if (ret)
 			goto err;
 	} else if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)) {
+		|| IS_KABYLAKE(dev_priv)
+		|| IS_COFFEELAKE(dev_priv)) {
 		ret = init_broadwell_mmio_info(gvt);
 		if (ret)
 			goto err;
diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h
index e1675a00df12..4862fb12778e 100644
--- a/drivers/gpu/drm/i915/gvt/hypercall.h
+++ b/drivers/gpu/drm/i915/gvt/hypercall.h
@@ -33,13 +33,19 @@
 #ifndef _GVT_HYPERCALL_H_
 #define _GVT_HYPERCALL_H_
 
+enum hypervisor_type {
+	INTEL_GVT_HYPERVISOR_XEN = 0,
+	INTEL_GVT_HYPERVISOR_KVM,
+};
+
 /*
  * Specific GVT-g MPT modules function collections. Currently GVT-g supports
  * both Xen and KVM by providing dedicated hypervisor-related MPT modules.
  */
 struct intel_gvt_mpt {
+	enum hypervisor_type type;
 	int (*host_init)(struct device *dev, void *gvt, const void *ops);
-	void (*host_exit)(struct device *dev, void *gvt);
+	void (*host_exit)(struct device *dev);
 	int (*attach_vgpu)(void *vgpu, unsigned long *handle);
 	void (*detach_vgpu)(void *vgpu);
 	int (*inject_msi)(unsigned long handle, u32 addr, u16 data);
@@ -61,12 +67,12 @@ struct intel_gvt_mpt {
 	int (*set_trap_area)(unsigned long handle, u64 start, u64 end,
 			     bool map);
 	int (*set_opregion)(void *vgpu);
+	int (*set_edid)(void *vgpu, int port_num);
 	int (*get_vfio_device)(void *vgpu);
 	void (*put_vfio_device)(void *vgpu);
 	bool (*is_valid_gfn)(unsigned long handle, unsigned long gfn);
 };
 
 extern struct intel_gvt_mpt xengt_mpt;
-extern struct intel_gvt_mpt kvmgt_mpt;
 
 #endif /* _GVT_HYPERCALL_H_ */
diff --git a/drivers/gpu/drm/i915/gvt/interrupt.c b/drivers/gpu/drm/i915/gvt/interrupt.c
index 6b9d1354ff29..67125c5eec6e 100644
--- a/drivers/gpu/drm/i915/gvt/interrupt.c
+++ b/drivers/gpu/drm/i915/gvt/interrupt.c
@@ -581,9 +581,7 @@ static void gen8_init_irq(
 
 		SET_BIT_INFO(irq, 4, PRIMARY_C_FLIP_DONE, INTEL_GVT_IRQ_INFO_DE_PIPE_C);
 		SET_BIT_INFO(irq, 5, SPRITE_C_FLIP_DONE, INTEL_GVT_IRQ_INFO_DE_PIPE_C);
-	} else if (IS_SKYLAKE(gvt->dev_priv)
-			|| IS_KABYLAKE(gvt->dev_priv)
-			|| IS_BROXTON(gvt->dev_priv)) {
+	} else if (INTEL_GEN(gvt->dev_priv) >= 9) {
 		SET_BIT_INFO(irq, 25, AUX_CHANNEL_B, INTEL_GVT_IRQ_INFO_DE_PORT);
 		SET_BIT_INFO(irq, 26, AUX_CHANNEL_C, INTEL_GVT_IRQ_INFO_DE_PORT);
 		SET_BIT_INFO(irq, 27, AUX_CHANNEL_D, INTEL_GVT_IRQ_INFO_DE_PORT);
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index dd3dfd00f4e6..d5fcc447d22f 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -57,6 +57,8 @@ static const struct intel_gvt_ops *intel_gvt_ops;
 #define VFIO_PCI_INDEX_TO_OFFSET(index) ((u64)(index) << VFIO_PCI_OFFSET_SHIFT)
 #define VFIO_PCI_OFFSET_MASK    (((u64)(1) << VFIO_PCI_OFFSET_SHIFT) - 1)
 
+#define EDID_BLOB_OFFSET (PAGE_SIZE/2)
+
 #define OPREGION_SIGNATURE "IntelGraphicsMem"
 
 struct vfio_region;
@@ -76,6 +78,11 @@ struct vfio_region {
 	void				*data;
 };
 
+struct vfio_edid_region {
+	struct vfio_region_gfx_edid vfio_edid_regs;
+	void *edid_blob;
+};
+
 struct kvmgt_pgfn {
 	gfn_t gfn;
 	struct hlist_node hnode;
@@ -427,6 +434,111 @@ static const struct intel_vgpu_regops intel_vgpu_regops_opregion = {
 	.release = intel_vgpu_reg_release_opregion,
 };
 
+static int handle_edid_regs(struct intel_vgpu *vgpu,
+			struct vfio_edid_region *region, char *buf,
+			size_t count, u16 offset, bool is_write)
+{
+	struct vfio_region_gfx_edid *regs = &region->vfio_edid_regs;
+	unsigned int data;
+
+	if (offset + count > sizeof(*regs))
+		return -EINVAL;
+
+	if (count != 4)
+		return -EINVAL;
+
+	if (is_write) {
+		data = *((unsigned int *)buf);
+		switch (offset) {
+		case offsetof(struct vfio_region_gfx_edid, link_state):
+			if (data == VFIO_DEVICE_GFX_LINK_STATE_UP) {
+				if (!drm_edid_block_valid(
+					(u8 *)region->edid_blob,
+					0,
+					true,
+					NULL)) {
+					gvt_vgpu_err("invalid EDID blob\n");
+					return -EINVAL;
+				}
+				intel_gvt_ops->emulate_hotplug(vgpu, true);
+			} else if (data == VFIO_DEVICE_GFX_LINK_STATE_DOWN)
+				intel_gvt_ops->emulate_hotplug(vgpu, false);
+			else {
+				gvt_vgpu_err("invalid EDID link state %d\n",
+					regs->link_state);
+				return -EINVAL;
+			}
+			regs->link_state = data;
+			break;
+		case offsetof(struct vfio_region_gfx_edid, edid_size):
+			if (data > regs->edid_max_size) {
+				gvt_vgpu_err("EDID size is bigger than %d!\n",
+					regs->edid_max_size);
+				return -EINVAL;
+			}
+			regs->edid_size = data;
+			break;
+		default:
+			/* read-only regs */
+			gvt_vgpu_err("write read-only EDID region at offset %d\n",
+				offset);
+			return -EPERM;
+		}
+	} else {
+		memcpy(buf, (char *)regs + offset, count);
+	}
+
+	return count;
+}
+
+static int handle_edid_blob(struct vfio_edid_region *region, char *buf,
+			size_t count, u16 offset, bool is_write)
+{
+	if (offset + count > region->vfio_edid_regs.edid_size)
+		return -EINVAL;
+
+	if (is_write)
+		memcpy(region->edid_blob + offset, buf, count);
+	else
+		memcpy(buf, region->edid_blob + offset, count);
+
+	return count;
+}
+
+static size_t intel_vgpu_reg_rw_edid(struct intel_vgpu *vgpu, char *buf,
+		size_t count, loff_t *ppos, bool iswrite)
+{
+	int ret;
+	unsigned int i = VFIO_PCI_OFFSET_TO_INDEX(*ppos) -
+			VFIO_PCI_NUM_REGIONS;
+	struct vfio_edid_region *region =
+		(struct vfio_edid_region *)vgpu->vdev.region[i].data;
+	loff_t pos = *ppos & VFIO_PCI_OFFSET_MASK;
+
+	if (pos < region->vfio_edid_regs.edid_offset) {
+		ret = handle_edid_regs(vgpu, region, buf, count, pos, iswrite);
+	} else {
+		pos -= EDID_BLOB_OFFSET;
+		ret = handle_edid_blob(region, buf, count, pos, iswrite);
+	}
+
+	if (ret < 0)
+		gvt_vgpu_err("failed to access EDID region\n");
+
+	return ret;
+}
+
+static void intel_vgpu_reg_release_edid(struct intel_vgpu *vgpu,
+					struct vfio_region *region)
+{
+	kfree(region->data);
+}
+
+static const struct intel_vgpu_regops intel_vgpu_regops_edid = {
+	.rw = intel_vgpu_reg_rw_edid,
+	.release = intel_vgpu_reg_release_edid,
+};
+
 static int intel_vgpu_register_reg(struct intel_vgpu *vgpu,
 		unsigned int type, unsigned int subtype,
 		const struct intel_vgpu_regops *ops,
@@ -493,6 +605,36 @@ static int kvmgt_set_opregion(void *p_vgpu)
 	return ret;
 }
 
+static int kvmgt_set_edid(void *p_vgpu, int port_num)
+{
+	struct intel_vgpu *vgpu = (struct intel_vgpu *)p_vgpu;
+	struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num);
+	struct vfio_edid_region *base;
+	int ret;
+
+	base = kzalloc(sizeof(*base), GFP_KERNEL);
+	if (!base)
+		return -ENOMEM;
+
+	/* TODO: Add multi-port and EDID extension block support */
+	base->vfio_edid_regs.edid_offset = EDID_BLOB_OFFSET;
+	base->vfio_edid_regs.edid_max_size = EDID_SIZE;
+	base->vfio_edid_regs.edid_size = EDID_SIZE;
+	base->vfio_edid_regs.max_xres = vgpu_edid_xres(port->id);
+	base->vfio_edid_regs.max_yres = vgpu_edid_yres(port->id);
+	base->edid_blob = port->edid->edid_block;
+
+	ret = intel_vgpu_register_reg(vgpu,
+			VFIO_REGION_TYPE_GFX,
+			VFIO_REGION_SUBTYPE_GFX_EDID,
+			&intel_vgpu_regops_edid, EDID_SIZE,
+			VFIO_REGION_INFO_FLAG_READ |
+			VFIO_REGION_INFO_FLAG_WRITE |
+			VFIO_REGION_INFO_FLAG_CAPS, base);
+
+	return ret;
+}
+
 static void kvmgt_put_vfio_device(void *vgpu)
 {
 	if (WARN_ON(!((struct intel_vgpu *)vgpu)->vdev.vfio_device))
@@ -627,6 +769,12 @@ static int intel_vgpu_open(struct mdev_device *mdev)
 		goto undo_iommu;
 	}
 
+	/* Take a module reference as mdev core doesn't take
+	 * a reference for vendor driver.
+	 */
+	if (!try_module_get(THIS_MODULE))
+		goto undo_group;
+
 	ret = kvmgt_guest_init(mdev);
 	if (ret)
 		goto undo_group;
@@ -679,6 +827,9 @@ static void __intel_vgpu_release(struct intel_vgpu *vgpu)
 					&vgpu->vdev.group_notifier);
 	WARN(ret, "vfio_unregister_notifier for group failed: %d\n", ret);
 
+	/* dereference module reference taken at open */
+	module_put(THIS_MODULE);
+
 	info = (struct kvmgt_guest_info *)vgpu->handle;
 	kvmgt_guest_exit(info);
 
@@ -703,7 +854,7 @@ static void intel_vgpu_release_work(struct work_struct *work)
 	__intel_vgpu_release(vgpu);
 }
 
-static uint64_t intel_vgpu_get_bar_addr(struct intel_vgpu *vgpu, int bar)
+static u64 intel_vgpu_get_bar_addr(struct intel_vgpu *vgpu, int bar)
 {
 	u32 start_lo, start_hi;
 	u32 mem_type;
@@ -730,10 +881,10 @@ static uint64_t intel_vgpu_get_bar_addr(struct intel_vgpu *vgpu, int bar)
 	return ((u64)start_hi << 32) | start_lo;
 }
 
-static int intel_vgpu_bar_rw(struct intel_vgpu *vgpu, int bar, uint64_t off,
+static int intel_vgpu_bar_rw(struct intel_vgpu *vgpu, int bar, u64 off,
 			     void *buf, unsigned int count, bool is_write)
 {
-	uint64_t bar_start = intel_vgpu_get_bar_addr(vgpu, bar);
+	u64 bar_start = intel_vgpu_get_bar_addr(vgpu, bar);
 	int ret;
 
 	if (is_write)
@@ -745,13 +896,13 @@ static int intel_vgpu_bar_rw(struct intel_vgpu *vgpu, int bar, uint64_t off,
 	return ret;
 }
 
-static inline bool intel_vgpu_in_aperture(struct intel_vgpu *vgpu, uint64_t off)
+static inline bool intel_vgpu_in_aperture(struct intel_vgpu *vgpu, u64 off)
 {
 	return off >= vgpu_aperture_offset(vgpu) &&
 	       off < vgpu_aperture_offset(vgpu) + vgpu_aperture_sz(vgpu);
 }
 
-static int intel_vgpu_aperture_rw(struct intel_vgpu *vgpu, uint64_t off,
+static int intel_vgpu_aperture_rw(struct intel_vgpu *vgpu, u64 off,
 		void *buf, unsigned long count, bool is_write)
 {
 	void *aperture_va;
@@ -783,7 +934,7 @@ static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf,
 {
 	struct intel_vgpu *vgpu = mdev_get_drvdata(mdev);
 	unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos);
-	uint64_t pos = *ppos & VFIO_PCI_OFFSET_MASK;
+	u64 pos = *ppos & VFIO_PCI_OFFSET_MASK;
 	int ret = -EINVAL;
 
 
@@ -1039,7 +1190,7 @@ static int intel_vgpu_get_irq_count(struct intel_vgpu *vgpu, int type)
 
 static int intel_vgpu_set_intx_mask(struct intel_vgpu *vgpu,
 			unsigned int index, unsigned int start,
-			unsigned int count, uint32_t flags,
+			unsigned int count, u32 flags,
 			void *data)
 {
 	return 0;
@@ -1047,21 +1198,21 @@ static int intel_vgpu_set_intx_mask(struct intel_vgpu *vgpu,
 
 static int intel_vgpu_set_intx_unmask(struct intel_vgpu *vgpu,
 			unsigned int index, unsigned int start,
-			unsigned int count, uint32_t flags, void *data)
+			unsigned int count, u32 flags, void *data)
 {
 	return 0;
 }
 
 static int intel_vgpu_set_intx_trigger(struct intel_vgpu *vgpu,
 		unsigned int index, unsigned int start, unsigned int count,
-		uint32_t flags, void *data)
+		u32 flags, void *data)
 {
 	return 0;
 }
 
 static int intel_vgpu_set_msi_trigger(struct intel_vgpu *vgpu,
 		unsigned int index, unsigned int start, unsigned int count,
-		uint32_t flags, void *data)
+		u32 flags, void *data)
 {
 	struct eventfd_ctx *trigger;
 
@@ -1080,12 +1231,12 @@ static int intel_vgpu_set_msi_trigger(struct intel_vgpu *vgpu,
 	return 0;
 }
 
-static int intel_vgpu_set_irqs(struct intel_vgpu *vgpu, uint32_t flags,
+static int intel_vgpu_set_irqs(struct intel_vgpu *vgpu, u32 flags,
 		unsigned int index, unsigned int start, unsigned int count,
 		void *data)
 {
 	int (*func)(struct intel_vgpu *vgpu, unsigned int index,
-			unsigned int start, unsigned int count, uint32_t flags,
+			unsigned int start, unsigned int count, u32 flags,
 			void *data) = NULL;
 
 	switch (index) {
@@ -1477,7 +1628,7 @@ static int kvmgt_host_init(struct device *dev, void *gvt, const void *ops)
 	return mdev_register_device(dev, &intel_vgpu_ops);
 }
 
-static void kvmgt_host_exit(struct device *dev, void *gvt)
+static void kvmgt_host_exit(struct device *dev)
 {
 	mdev_unregister_device(dev);
 }
@@ -1871,7 +2022,8 @@ static bool kvmgt_is_valid_gfn(unsigned long handle, unsigned long gfn)
 	return ret;
 }
 
-struct intel_gvt_mpt kvmgt_mpt = {
+static struct intel_gvt_mpt kvmgt_mpt = {
+	.type = INTEL_GVT_HYPERVISOR_KVM,
 	.host_init = kvmgt_host_init,
 	.host_exit = kvmgt_host_exit,
 	.attach_vgpu = kvmgt_attach_vgpu,
@@ -1886,19 +2038,22 @@ struct intel_gvt_mpt kvmgt_mpt = {
 	.dma_map_guest_page = kvmgt_dma_map_guest_page,
 	.dma_unmap_guest_page = kvmgt_dma_unmap_guest_page,
 	.set_opregion = kvmgt_set_opregion,
+	.set_edid = kvmgt_set_edid,
 	.get_vfio_device = kvmgt_get_vfio_device,
 	.put_vfio_device = kvmgt_put_vfio_device,
 	.is_valid_gfn = kvmgt_is_valid_gfn,
 };
-EXPORT_SYMBOL_GPL(kvmgt_mpt);
 
 static int __init kvmgt_init(void)
 {
+	if (intel_gvt_register_hypervisor(&kvmgt_mpt) < 0)
+		return -ENODEV;
 	return 0;
 }
 
 static void __exit kvmgt_exit(void)
 {
+	intel_gvt_unregister_hypervisor();
 }
 
 module_init(kvmgt_init);
diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c
index 43f65848ecd6..ed4df2f6d60b 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.c
+++ b/drivers/gpu/drm/i915/gvt/mmio.c
@@ -57,7 +57,7 @@ int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa)
 	(reg >= gvt->device_info.gtt_start_offset \
 	 && reg < gvt->device_info.gtt_start_offset + gvt_ggtt_sz(gvt))
 
-static void failsafe_emulate_mmio_rw(struct intel_vgpu *vgpu, uint64_t pa,
+static void failsafe_emulate_mmio_rw(struct intel_vgpu *vgpu, u64 pa,
 		void *p_data, unsigned int bytes, bool read)
 {
 	struct intel_gvt *gvt = NULL;
@@ -99,7 +99,7 @@ static void failsafe_emulate_mmio_rw(struct intel_vgpu *vgpu, uint64_t pa,
  * Returns:
  * Zero on success, negative error code if failed
  */
-int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, uint64_t pa,
+int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, u64 pa,
 		void *p_data, unsigned int bytes)
 {
 	struct intel_gvt *gvt = vgpu->gvt;
@@ -171,7 +171,7 @@ out:
  * Returns:
  * Zero on success, negative error code if failed
  */
-int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, uint64_t pa,
+int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, u64 pa,
 		void *p_data, unsigned int bytes)
 {
 	struct intel_gvt *gvt = vgpu->gvt;
diff --git a/drivers/gpu/drm/i915/gvt/mmio.h b/drivers/gpu/drm/i915/gvt/mmio.h
index 1ffc69eba30e..5874f1cb4306 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.h
+++ b/drivers/gpu/drm/i915/gvt/mmio.h
@@ -43,15 +43,16 @@ struct intel_vgpu;
 #define D_SKL	(1 << 1)
 #define D_KBL	(1 << 2)
 #define D_BXT	(1 << 3)
+#define D_CFL	(1 << 4)
 
-#define D_GEN9PLUS	(D_SKL | D_KBL | D_BXT)
-#define D_GEN8PLUS	(D_BDW | D_SKL | D_KBL | D_BXT)
+#define D_GEN9PLUS	(D_SKL | D_KBL | D_BXT | D_CFL)
+#define D_GEN8PLUS	(D_BDW | D_SKL | D_KBL | D_BXT | D_CFL)
 
-#define D_SKL_PLUS	(D_SKL | D_KBL | D_BXT)
-#define D_BDW_PLUS	(D_BDW | D_SKL | D_KBL | D_BXT)
+#define D_SKL_PLUS	(D_SKL | D_KBL | D_BXT | D_CFL)
+#define D_BDW_PLUS	(D_BDW | D_SKL | D_KBL | D_BXT | D_CFL)
 
 #define D_PRE_SKL	(D_BDW)
-#define D_ALL		(D_BDW | D_SKL | D_KBL | D_BXT)
+#define D_ALL		(D_BDW | D_SKL | D_KBL | D_BXT | D_CFL)
 
 typedef int (*gvt_mmio_func)(struct intel_vgpu *, unsigned int, void *,
 			     unsigned int);
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index d6e02c15ef97..7d84cfb9051a 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -353,8 +353,7 @@ static void handle_tlb_pending_event(struct intel_vgpu *vgpu, int ring_id)
 	 */
 	fw = intel_uncore_forcewake_for_reg(dev_priv, reg,
 					    FW_REG_READ | FW_REG_WRITE);
-	if (ring_id == RCS && (IS_SKYLAKE(dev_priv) ||
-			IS_KABYLAKE(dev_priv) || IS_BROXTON(dev_priv)))
+	if (ring_id == RCS && (INTEL_GEN(dev_priv) >= 9))
 		fw |= FORCEWAKE_RENDER;
 
 	intel_uncore_forcewake_get(dev_priv, fw);
@@ -391,7 +390,8 @@ static void switch_mocs(struct intel_vgpu *pre, struct intel_vgpu *next,
 	if (WARN_ON(ring_id >= ARRAY_SIZE(regs)))
 		return;
 
-	if ((IS_KABYLAKE(dev_priv) || IS_BROXTON(dev_priv)) && ring_id == RCS)
+	if ((IS_KABYLAKE(dev_priv)  || IS_BROXTON(dev_priv)
+		|| IS_COFFEELAKE(dev_priv)) && ring_id == RCS)
 		return;
 
 	if (!pre && !gen9_render_mocs.initialized)
@@ -457,9 +457,7 @@ static void switch_mmio(struct intel_vgpu *pre,
 	u32 old_v, new_v;
 
 	dev_priv = pre ? pre->gvt->dev_priv : next->gvt->dev_priv;
-	if (IS_SKYLAKE(dev_priv)
-		|| IS_KABYLAKE(dev_priv)
-		|| IS_BROXTON(dev_priv))
+	if (INTEL_GEN(dev_priv) >= 9)
 		switch_mocs(pre, next, ring_id);
 
 	for (mmio = dev_priv->gvt->engine_mmio_list.mmio;
@@ -471,8 +469,8 @@ static void switch_mmio(struct intel_vgpu *pre,
 		 * state image on kabylake, it's initialized by lri command and
 		 * save or restore with context together.
 		 */
-		if ((IS_KABYLAKE(dev_priv) || IS_BROXTON(dev_priv))
-			&& mmio->in_context)
+		if ((IS_KABYLAKE(dev_priv) || IS_BROXTON(dev_priv)
+			|| IS_COFFEELAKE(dev_priv)) && mmio->in_context)
 			continue;
 
 		// save
@@ -565,9 +563,7 @@ void intel_gvt_init_engine_mmio_context(struct intel_gvt *gvt)
 {
 	struct engine_mmio *mmio;
 
-	if (IS_SKYLAKE(gvt->dev_priv) ||
-		IS_KABYLAKE(gvt->dev_priv) ||
-		IS_BROXTON(gvt->dev_priv))
+	if (INTEL_GEN(gvt->dev_priv) >= 9)
 		gvt->engine_mmio_list.mmio = gen9_engine_mmio_list;
 	else
 		gvt->engine_mmio_list.mmio = gen8_engine_mmio_list;
diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h
index 3ed34123d8d1..0f9440128123 100644
--- a/drivers/gpu/drm/i915/gvt/mpt.h
+++ b/drivers/gpu/drm/i915/gvt/mpt.h
@@ -50,11 +50,10 @@
  * Zero on success, negative error code if failed
  */
 static inline int intel_gvt_hypervisor_host_init(struct device *dev,
-			void *gvt, const void *ops)
+						 void *gvt, const void *ops)
 {
-	/* optional to provide */
 	if (!intel_gvt_host.mpt->host_init)
-		return 0;
+		return -ENODEV;
 
 	return intel_gvt_host.mpt->host_init(dev, gvt, ops);
 }
@@ -62,14 +61,13 @@ static inline int intel_gvt_hypervisor_host_init(struct device *dev,
 /**
  * intel_gvt_hypervisor_host_exit - exit GVT-g host side
  */
-static inline void intel_gvt_hypervisor_host_exit(struct device *dev,
-			void *gvt)
+static inline void intel_gvt_hypervisor_host_exit(struct device *dev)
 {
 	/* optional to provide */
 	if (!intel_gvt_host.mpt->host_exit)
 		return;
 
-	intel_gvt_host.mpt->host_exit(dev, gvt);
+	intel_gvt_host.mpt->host_exit(dev);
 }
 
 /**
@@ -316,6 +314,23 @@ static inline int intel_gvt_hypervisor_set_opregion(struct intel_vgpu *vgpu)
 }
 
 /**
+ * intel_gvt_hypervisor_set_edid - Set EDID region for guest
+ * @vgpu: a vGPU
+ * @port_num: display port number
+ *
+ * Returns:
+ * Zero on success, negative error code if failed.
+ */
+static inline int intel_gvt_hypervisor_set_edid(struct intel_vgpu *vgpu,
+						int port_num)
+{
+	if (!intel_gvt_host.mpt->set_edid)
+		return 0;
+
+	return intel_gvt_host.mpt->set_edid(vgpu, port_num);
+}
+
+/**
  * intel_gvt_hypervisor_get_vfio_device - increase vfio device ref count
  * @vgpu: a vGPU
  *
@@ -362,4 +377,7 @@ static inline bool intel_gvt_hypervisor_is_valid_gfn(
 	return intel_gvt_host.mpt->is_valid_gfn(vgpu->handle, gfn);
 }
 
+int intel_gvt_register_hypervisor(struct intel_gvt_mpt *);
+void intel_gvt_unregister_hypervisor(void);
+
 #endif /* _GVT_MPT_H_ */
diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c
index c32e7d5e8629..1c763a27a412 100644
--- a/drivers/gpu/drm/i915/gvt/sched_policy.c
+++ b/drivers/gpu/drm/i915/gvt/sched_policy.c
@@ -94,7 +94,7 @@ static void gvt_balance_timeslice(struct gvt_sched_data *sched_data)
 {
 	struct vgpu_sched_data *vgpu_data;
 	struct list_head *pos;
-	static uint64_t stage_check;
+	static u64 stage_check;
 	int stage = stage_check++ % GVT_TS_BALANCE_STAGE_NUM;
 
 	/* The timeslice accumulation reset at stage 0, which is
@@ -474,6 +474,6 @@ void intel_vgpu_stop_schedule(struct intel_vgpu *vgpu)
 		}
 	}
 	spin_unlock_bh(&scheduler->mmio_context_lock);
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put_unchecked(dev_priv);
 	mutex_unlock(&vgpu->gvt->sched_lock);
 }
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index 55bb7885e228..1bb8f936fdaa 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -299,7 +299,8 @@ static int copy_workload_to_ring_buffer(struct intel_vgpu_workload *workload)
 	void *shadow_ring_buffer_va;
 	u32 *cs;
 
-	if ((IS_KABYLAKE(req->i915) || IS_BROXTON(req->i915))
+	if ((IS_KABYLAKE(req->i915) || IS_BROXTON(req->i915)
+		|| IS_COFFEELAKE(req->i915))
 		&& is_inhibit_context(req->hw_context))
 		intel_vgpu_restore_inhibit_context(vgpu, req);
 
@@ -957,9 +958,7 @@ static int workload_thread(void *priv)
 	struct intel_vgpu_workload *workload = NULL;
 	struct intel_vgpu *vgpu = NULL;
 	int ret;
-	bool need_force_wake = IS_SKYLAKE(gvt->dev_priv)
-			|| IS_KABYLAKE(gvt->dev_priv)
-			|| IS_BROXTON(gvt->dev_priv);
+	bool need_force_wake = (INTEL_GEN(gvt->dev_priv) >= 9);
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
 
 	kfree(p);
@@ -1015,7 +1014,7 @@ complete:
 			intel_uncore_forcewake_put(gvt->dev_priv,
 					FORCEWAKE_ALL);
 
-		intel_runtime_pm_put(gvt->dev_priv);
+		intel_runtime_pm_put_unchecked(gvt->dev_priv);
 		if (ret && (vgpu_is_vm_unhealthy(ret)))
 			enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR);
 	}
@@ -1472,7 +1471,7 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id,
 		mutex_lock(&dev_priv->drm.struct_mutex);
 		ret = intel_gvt_scan_and_shadow_workload(workload);
 		mutex_unlock(&dev_priv->drm.struct_mutex);
-		intel_runtime_pm_put(dev_priv);
+		intel_runtime_pm_put_unchecked(dev_priv);
 	}
 
 	if (ret && (vgpu_is_vm_unhealthy(ret))) {
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index 2065cba59aab..0635b2c4bed7 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -61,7 +61,7 @@ struct shadow_indirect_ctx {
 	unsigned long guest_gma;
 	unsigned long shadow_gma;
 	void *shadow_va;
-	uint32_t size;
+	u32 size;
 };
 
 #define PER_CTX_ADDR_MASK 0xfffff000
diff --git a/drivers/gpu/drm/i915/gvt/trace.h b/drivers/gpu/drm/i915/gvt/trace.h
index 1fd64202d74e..6d787750d279 100644
--- a/drivers/gpu/drm/i915/gvt/trace.h
+++ b/drivers/gpu/drm/i915/gvt/trace.h
@@ -228,7 +228,7 @@ TRACE_EVENT(oos_sync,
 TRACE_EVENT(gvt_command,
 	TP_PROTO(u8 vgpu_id, u8 ring_id, u32 ip_gma, u32 *cmd_va,
 		u32 cmd_len,  u32 buf_type, u32 buf_addr_type,
-		void *workload, char *cmd_name),
+		void *workload, const char *cmd_name),
 
 	TP_ARGS(vgpu_id, ring_id, ip_gma, cmd_va, cmd_len, buf_type,
 		buf_addr_type, workload, cmd_name),
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index c628be05fbfe..720e2b10adaa 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -148,10 +148,10 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
 		gvt->types[i].avail_instance = min(low_avail / vgpu_types[i].low_mm,
 						   high_avail / vgpu_types[i].high_mm);
 
-		if (IS_GEN8(gvt->dev_priv))
+		if (IS_GEN(gvt->dev_priv, 8))
 			sprintf(gvt->types[i].name, "GVTg_V4_%s",
 						vgpu_types[i].name);
-		else if (IS_GEN9(gvt->dev_priv))
+		else if (IS_GEN(gvt->dev_priv, 9))
 			sprintf(gvt->types[i].name, "GVTg_V5_%s",
 						vgpu_types[i].name);
 
@@ -428,6 +428,12 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
 	if (ret)
 		goto out_clean_sched_policy;
 
+	/*TODO: add more platforms support */
+	if (IS_SKYLAKE(gvt->dev_priv) || IS_KABYLAKE(gvt->dev_priv))
+		ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D);
+	if (ret)
+		goto out_clean_sched_policy;
+
 	return vgpu;
 
 out_clean_sched_policy: