Merge tag 'drm-intel-next-2021-11-30' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

drm/i915 feature pull for v5.17:

Features and functionality:
- Implement per-lane DP drive settings for ICL+ (Ville)
- Enable runtime pm autosuspend by default (Tilak Tangudu)
- ADL-P DSI support (Vandita)
- Add support for pipe C and D DMC firmware (Anusha)
- Implement (near)atomic gamma LUT updates via vblank workers (Ville)
- Split plane updates to noarm+arm phases (Ville)
- Remove the CCS FB stride restrictions on ADL-P (Imre)
- Add PSR selective fetch support for biplanar formats (Jouni)
- Add support for display audio codec keepalive (Kai)
- VRR platform support for display 11 (Manasi)

Refactoring and cleanups:
- FBC refactoring and cleanups preparing for multiple FBC instances (Ville)
- PCH modeset refactoring, move to its own file (Ville)
- Refactor and simplify handling of modifiers (Imre)
- PXP cleanups (Ville)
- Display header and include refactoring (Jani)
- Some register macro cleanups (Ville)
- Refactor DP HDMI DFP limit code (Ville)

Fixes:
- Disable DSB usage for now due to incorrect gamma LUT updates (Ville)
- Check async flip state of every crtc and plane only once (José)
- Fix DPT FB suspend/resume (Imre)
- Fix black screen on reboot due to disabled DP++ TMDS output buffers (Ville)
- Don't request GMBUS to generate irqs when called while irqs are off (Ville)
- Fix type1 DVI DP dual mode adapter heuristics for modern platforms (Ville)
- Fix fix integer overflow in 128b/132b data rate calculation (Jani)
- Fix bigjoiner state readout (Ville)
- Build fix for non-x86 (Siva)
- PSR fixes (José, Jouni, Ville)
- Disable ADL-P underrun recovery (José)
- Fix DP link parameter usage before valid DPCD (Imre)
- VRR vblank and frame counter fixes (Ville)
- Fix fastsets on TypeC ports following a non-blocking modeset (Imre)
- Compiler warning fixes (Nathan Chancellor)
- Fix DSI HS mode commands (William Tseng)
- Error return fixes (Dan Carpenter)
- Update memory bandwidth calculations (Radhakrishna)
- Implement WM0 cursor WA for DG2 (Stan)
- Fix DSI Double pixelclock on read-back for dual-link panels (Hans de Goede)
- HDMI 2.1 PCON FRL configuration fixes (Ankit)

Merges:
- DP link training delay helpers, via topic branch (Jani)
- Backmerge drm-next (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87v909it0t.fsf@intel.com

drivers/char/agp/intel-gtt.c

@@ -20,6 +20,7 @@
 #include <linux/kernel.h>
 #include <linux/pagemap.h>
 #include <linux/agp_backend.h>
+#include <linux/intel-iommu.h>
 #include <linux/delay.h>
 #include <asm/smp.h>
 #include "agp.h"

drivers/gpu/drm/i915/Kconfig

@@ -21,7 +21,7 @@ config DRM_I915
 	select ACPI_VIDEO if ACPI
 	select ACPI_BUTTON if ACPI
 	select SYNC_FILE
-	select IOSF_MBI
+	select IOSF_MBI if X86
 	select CRC32
 	select SND_HDA_I915 if SND_HDA_CORE
 	select CEC_CORE if CEC_NOTIFIER

drivers/gpu/drm/i915/Makefile

@@ -30,7 +30,7 @@ subdir-ccflags-y += -I$(srctree)/$(src)
 # Please keep these build lists sorted!
 
 # core driver code
-i915-y += i915_drv.o \
+i915-y += i915_driver.o \
 	  i915_config.o \
 	  i915_irq.o \
 	  i915_getparam.o \
@@ -226,6 +226,8 @@ i915-y += \
 	display/intel_hotplug.o \
 	display/intel_lpe_audio.o \
 	display/intel_overlay.o \
+	display/intel_pch_display.o \
+	display/intel_pch_refclk.o \
 	display/intel_plane_initial.o \
 	display/intel_psr.o \
 	display/intel_quirks.o \

drivers/gpu/drm/i915/display/i9xx_plane.c

@@ -60,22 +60,11 @@ static const u32 vlv_primary_formats[] = {
 	DRM_FORMAT_XBGR16161616F,
 };
 
-static const u64 i9xx_format_modifiers[] = {
-	I915_FORMAT_MOD_X_TILED,
-	DRM_FORMAT_MOD_LINEAR,
-	DRM_FORMAT_MOD_INVALID
-};
-
 static bool i8xx_plane_format_mod_supported(struct drm_plane *_plane,
 					    u32 format, u64 modifier)
 {
-	switch (modifier) {
-	case DRM_FORMAT_MOD_LINEAR:
-	case I915_FORMAT_MOD_X_TILED:
-		break;
-	default:
+	if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
 		return false;
-	}
 
 	switch (format) {
 	case DRM_FORMAT_C8:
@@ -92,13 +81,8 @@ static bool i8xx_plane_format_mod_supported(struct drm_plane *_plane,
 static bool i965_plane_format_mod_supported(struct drm_plane *_plane,
 					    u32 format, u64 modifier)
 {
-	switch (modifier) {
-	case DRM_FORMAT_MOD_LINEAR:
-	case I915_FORMAT_MOD_X_TILED:
-		break;
-	default:
+	if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
 		return false;
-	}
 
 	switch (format) {
 	case DRM_FORMAT_C8:
@@ -272,7 +256,7 @@ int i9xx_check_plane_surface(struct intel_plane_state *plane_state)
 		u32 alignment = intel_surf_alignment(fb, 0);
 		int cpp = fb->format->cpp[0];
 
-		while ((src_x + src_w) * cpp > plane_state->view.color_plane[0].stride) {
+		while ((src_x + src_w) * cpp > plane_state->view.color_plane[0].mapping_stride) {
 			if (offset == 0) {
 				drm_dbg_kms(&dev_priv->drm,
 					    "Unable to find suitable display surface offset due to X-tiling\n");
@@ -418,38 +402,25 @@ static int i9xx_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
 	return DIV_ROUND_UP(pixel_rate * num, den);
 }
 
-static void i9xx_update_plane(struct intel_plane *plane,
-			      const struct intel_crtc_state *crtc_state,
-			      const struct intel_plane_state *plane_state)
+static void i9xx_plane_update_noarm(struct intel_plane *plane,
+				    const struct intel_crtc_state *crtc_state,
+				    const struct intel_plane_state *plane_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 	enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
-	u32 linear_offset;
-	int x = plane_state->view.color_plane[0].x;
-	int y = plane_state->view.color_plane[0].y;
-	int crtc_x = plane_state->uapi.dst.x1;
-	int crtc_y = plane_state->uapi.dst.y1;
-	int crtc_w = drm_rect_width(&plane_state->uapi.dst);
-	int crtc_h = drm_rect_height(&plane_state->uapi.dst);
 	unsigned long irqflags;
-	u32 dspaddr_offset;
-	u32 dspcntr;
-
-	dspcntr = plane_state->ctl | i9xx_plane_ctl_crtc(crtc_state);
-
-	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
-
-	if (DISPLAY_VER(dev_priv) >= 4)
-		dspaddr_offset = plane_state->view.color_plane[0].offset;
-	else
-		dspaddr_offset = linear_offset;
 
 	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 
 	intel_de_write_fw(dev_priv, DSPSTRIDE(i9xx_plane),
-			  plane_state->view.color_plane[0].stride);
+			  plane_state->view.color_plane[0].mapping_stride);
 
 	if (DISPLAY_VER(dev_priv) < 4) {
+		int crtc_x = plane_state->uapi.dst.x1;
+		int crtc_y = plane_state->uapi.dst.y1;
+		int crtc_w = drm_rect_width(&plane_state->uapi.dst);
+		int crtc_h = drm_rect_height(&plane_state->uapi.dst);
+
 		/*
 		 * PLANE_A doesn't actually have a full window
 		 * generator but let's assume we still need to
@@ -459,7 +430,39 @@ static void i9xx_update_plane(struct intel_plane *plane,
 				  (crtc_y << 16) | crtc_x);
 		intel_de_write_fw(dev_priv, DSPSIZE(i9xx_plane),
 				  ((crtc_h - 1) << 16) | (crtc_w - 1));
-	} else if (IS_CHERRYVIEW(dev_priv) && i9xx_plane == PLANE_B) {
+	}
+
+	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
+}
+
+static void i9xx_plane_update_arm(struct intel_plane *plane,
+				  const struct intel_crtc_state *crtc_state,
+				  const struct intel_plane_state *plane_state)
+{
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+	enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
+	int x = plane_state->view.color_plane[0].x;
+	int y = plane_state->view.color_plane[0].y;
+	u32 dspcntr, dspaddr_offset, linear_offset;
+	unsigned long irqflags;
+
+	dspcntr = plane_state->ctl | i9xx_plane_ctl_crtc(crtc_state);
+
+	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
+
+	if (DISPLAY_VER(dev_priv) >= 4)
+		dspaddr_offset = plane_state->view.color_plane[0].offset;
+	else
+		dspaddr_offset = linear_offset;
+
+	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
+
+	if (IS_CHERRYVIEW(dev_priv) && i9xx_plane == PLANE_B) {
+		int crtc_x = plane_state->uapi.dst.x1;
+		int crtc_y = plane_state->uapi.dst.y1;
+		int crtc_w = drm_rect_width(&plane_state->uapi.dst);
+		int crtc_h = drm_rect_height(&plane_state->uapi.dst);
+
 		intel_de_write_fw(dev_priv, PRIMPOS(i9xx_plane),
 				  (crtc_y << 16) | crtc_x);
 		intel_de_write_fw(dev_priv, PRIMSIZE(i9xx_plane),
@@ -493,8 +496,22 @@ static void i9xx_update_plane(struct intel_plane *plane,
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
 
-static void i9xx_disable_plane(struct intel_plane *plane,
-			       const struct intel_crtc_state *crtc_state)
+static void i830_plane_update_arm(struct intel_plane *plane,
+				  const struct intel_crtc_state *crtc_state,
+				  const struct intel_plane_state *plane_state)
+{
+	/*
+	 * On i830/i845 all registers are self-arming [ALM040].
+	 *
+	 * Additional breakage on i830 causes register reads to return
+	 * the last latched value instead of the last written value [ALM026].
+	 */
+	i9xx_plane_update_noarm(plane, crtc_state, plane_state);
+	i9xx_plane_update_arm(plane, crtc_state, plane_state);
+}
+
+static void i9xx_plane_disable_arm(struct intel_plane *plane,
+				   const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 	enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
@@ -768,6 +785,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 	struct intel_plane *plane;
 	const struct drm_plane_funcs *plane_funcs;
 	unsigned int supported_rotations;
+	const u64 *modifiers;
 	const u32 *formats;
 	int num_formats;
 	int ret, zpos;
@@ -789,12 +807,10 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 	plane->id = PLANE_PRIMARY;
 	plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
 
-	plane->has_fbc = i9xx_plane_has_fbc(dev_priv, plane->i9xx_plane);
-	if (plane->has_fbc) {
-		struct intel_fbc *fbc = &dev_priv->fbc;
-
-		fbc->possible_framebuffer_bits |= plane->frontbuffer_bit;
-	}
+	if (i9xx_plane_has_fbc(dev_priv, plane->i9xx_plane))
+		plane->fbc = &dev_priv->fbc;
+	if (plane->fbc)
+		plane->fbc->possible_framebuffer_bits |= plane->frontbuffer_bit;
 
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		formats = vlv_primary_formats;
@@ -851,8 +867,13 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 			plane->max_stride = ilk_primary_max_stride;
 	}
 
-	plane->update_plane = i9xx_update_plane;
-	plane->disable_plane = i9xx_disable_plane;
+	if (IS_I830(dev_priv) || IS_I845G(dev_priv)) {
+		plane->update_arm = i830_plane_update_arm;
+	} else {
+		plane->update_noarm = i9xx_plane_update_noarm;
+		plane->update_arm = i9xx_plane_update_arm;
+	}
+	plane->disable_arm = i9xx_plane_disable_arm;
 	plane->get_hw_state = i9xx_plane_get_hw_state;
 	plane->check_plane = i9xx_plane_check;
 
@@ -875,21 +896,26 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
 		plane->disable_flip_done = ilk_primary_disable_flip_done;
 	}
 
+	modifiers = intel_fb_plane_get_modifiers(dev_priv, INTEL_PLANE_CAP_TILING_X);
+
 	if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv))
 		ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
 					       0, plane_funcs,
 					       formats, num_formats,
-					       i9xx_format_modifiers,
+					       modifiers,
 					       DRM_PLANE_TYPE_PRIMARY,
 					       "primary %c", pipe_name(pipe));
 	else
 		ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
 					       0, plane_funcs,
 					       formats, num_formats,
-					       i9xx_format_modifiers,
+					       modifiers,
 					       DRM_PLANE_TYPE_PRIMARY,
 					       "plane %c",
 					       plane_name(plane->i9xx_plane));
+
+	kfree(modifiers);
+
 	if (ret)
 		goto fail;
 

drivers/gpu/drm/i915/display/icl_dsi.c

@@ -28,6 +28,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_mipi_dsi.h>
 
+#include "icl_dsi.h"
 #include "intel_atomic.h"
 #include "intel_backlight.h"
 #include "intel_combo_phy.h"
@@ -36,6 +37,7 @@
 #include "intel_ddi.h"
 #include "intel_de.h"
 #include "intel_dsi.h"
+#include "intel_dsi_vbt.h"
 #include "intel_panel.h"
 #include "intel_vdsc.h"
 #include "skl_scaler.h"
@@ -183,6 +185,8 @@ static int dsi_send_pkt_hdr(struct intel_dsi_host *host,
 
 	if (enable_lpdt)
 		tmp |= LP_DATA_TRANSFER;
+	else
+		tmp &= ~LP_DATA_TRANSFER;
 
 	tmp &= ~(PARAM_WC_MASK | VC_MASK | DT_MASK);
 	tmp |= ((packet->header[0] & VC_MASK) << VC_SHIFT);
@@ -1226,7 +1230,9 @@ static void gen11_dsi_pre_enable(struct intel_atomic_state *state,
 	/* step5: program and powerup panel */
 	gen11_dsi_powerup_panel(encoder);
 
-	intel_dsc_enable(encoder, pipe_config);
+	intel_dsc_dsi_pps_write(encoder, pipe_config);
+
+	intel_dsc_enable(pipe_config);
 
 	/* step6c: configure transcoder timings */
 	gen11_dsi_set_transcoder_timings(encoder, pipe_config);
@@ -1623,7 +1629,7 @@ static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder,
 	/* FIXME: initialize from VBT */
 	vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST;
 
-	ret = intel_dsc_compute_params(encoder, crtc_state);
+	ret = intel_dsc_compute_params(crtc_state);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/i915/display/icl_dsi.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef __ICL_DSI_H__
+#define __ICL_DSI_H__
+
+struct drm_i915_private;
+struct intel_crtc_state;
+
+void icl_dsi_init(struct drm_i915_private *i915);
+void icl_dsi_frame_update(struct intel_crtc_state *crtc_state);
+
+#endif /* __ICL_DSI_H__ */

drivers/gpu/drm/i915/display/intel_atomic_plane.c

@@ -39,6 +39,7 @@
 #include "intel_atomic_plane.h"
 #include "intel_cdclk.h"
 #include "intel_display_types.h"
+#include "intel_fb.h"
 #include "intel_fb_pin.h"
 #include "intel_pm.h"
 #include "intel_sprite.h"
@@ -469,31 +470,72 @@ skl_next_plane_to_commit(struct intel_atomic_state *state,
 	return NULL;
 }
 
-void intel_update_plane(struct intel_plane *plane,
-			const struct intel_crtc_state *crtc_state,
-			const struct intel_plane_state *plane_state)
+void intel_plane_update_noarm(struct intel_plane *plane,
+			      const struct intel_crtc_state *crtc_state,
+			      const struct intel_plane_state *plane_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 
-	trace_intel_update_plane(&plane->base, crtc);
+	trace_intel_plane_update_noarm(&plane->base, crtc);
+
+	if (plane->update_noarm)
+		plane->update_noarm(plane, crtc_state, plane_state);
+}
+
+void intel_plane_update_arm(struct intel_plane *plane,
+			    const struct intel_crtc_state *crtc_state,
+			    const struct intel_plane_state *plane_state)
+{
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+
+	trace_intel_plane_update_arm(&plane->base, crtc);
 
 	if (crtc_state->uapi.async_flip && plane->async_flip)
 		plane->async_flip(plane, crtc_state, plane_state, true);
 	else
-		plane->update_plane(plane, crtc_state, plane_state);
+		plane->update_arm(plane, crtc_state, plane_state);
 }
 
-void intel_disable_plane(struct intel_plane *plane,
-			 const struct intel_crtc_state *crtc_state)
+void intel_plane_disable_arm(struct intel_plane *plane,
+			     const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 
-	trace_intel_disable_plane(&plane->base, crtc);
-	plane->disable_plane(plane, crtc_state);
+	trace_intel_plane_disable_arm(&plane->base, crtc);
+	plane->disable_arm(plane, crtc_state);
 }
 
-void skl_update_planes_on_crtc(struct intel_atomic_state *state,
-			       struct intel_crtc *crtc)
+void intel_update_planes_on_crtc(struct intel_atomic_state *state,
+				 struct intel_crtc *crtc)
+{
+	struct intel_crtc_state *new_crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	u32 update_mask = new_crtc_state->update_planes;
+	struct intel_plane_state *new_plane_state;
+	struct intel_plane *plane;
+	int i;
+
+	if (new_crtc_state->uapi.async_flip)
+		return;
+
+	/*
+	 * Since we only write non-arming registers here,
+	 * the order does not matter even for skl+.
+	 */
+	for_each_new_intel_plane_in_state(state, plane, new_plane_state, i) {
+		if (crtc->pipe != plane->pipe ||
+		    !(update_mask & BIT(plane->id)))
+			continue;
+
+		/* TODO: for mailbox updates this should be skipped */
+		if (new_plane_state->uapi.visible ||
+		    new_plane_state->planar_slave)
+			intel_plane_update_noarm(plane, new_crtc_state, new_plane_state);
+	}
+}
+
+void skl_arm_planes_on_crtc(struct intel_atomic_state *state,
+			    struct intel_crtc *crtc)
 {
 	struct intel_crtc_state *old_crtc_state =
 		intel_atomic_get_old_crtc_state(state, crtc);
@@ -515,17 +557,20 @@ void skl_update_planes_on_crtc(struct intel_atomic_state *state,
 		struct intel_plane_state *new_plane_state =
 			intel_atomic_get_new_plane_state(state, plane);
 
+		/*
+		 * TODO: for mailbox updates intel_plane_update_noarm()
+		 * would have to be called here as well.
+		 */
 		if (new_plane_state->uapi.visible ||
-		    new_plane_state->planar_slave) {
-			intel_update_plane(plane, new_crtc_state, new_plane_state);
-		} else {
-			intel_disable_plane(plane, new_crtc_state);
-		}
+		    new_plane_state->planar_slave)
+			intel_plane_update_arm(plane, new_crtc_state, new_plane_state);
+		else
+			intel_plane_disable_arm(plane, new_crtc_state);
 	}
 }
 
-void i9xx_update_planes_on_crtc(struct intel_atomic_state *state,
-				struct intel_crtc *crtc)
+void i9xx_arm_planes_on_crtc(struct intel_atomic_state *state,
+			     struct intel_crtc *crtc)
 {
 	struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
@@ -539,10 +584,14 @@ void i9xx_update_planes_on_crtc(struct intel_atomic_state *state,
 		    !(update_mask & BIT(plane->id)))
 			continue;
 
+		/*
+		 * TODO: for mailbox updates intel_plane_update_noarm()
+		 * would have to be called here as well.
+		 */
 		if (new_plane_state->uapi.visible)
-			intel_update_plane(plane, new_crtc_state, new_plane_state);
+			intel_plane_update_arm(plane, new_crtc_state, new_plane_state);
 		else
-			intel_disable_plane(plane, new_crtc_state);
+			intel_plane_disable_arm(plane, new_crtc_state);
 	}
 }
 

drivers/gpu/drm/i915/display/intel_atomic_plane.h

@@ -30,20 +30,25 @@ void intel_plane_copy_uapi_to_hw_state(struct intel_plane_state *plane_state,
 				       struct intel_crtc *crtc);
 void intel_plane_copy_hw_state(struct intel_plane_state *plane_state,
 			       const struct intel_plane_state *from_plane_state);
-void intel_update_plane(struct intel_plane *plane,
-			const struct intel_crtc_state *crtc_state,
-			const struct intel_plane_state *plane_state);
-void intel_disable_plane(struct intel_plane *plane,
-			 const struct intel_crtc_state *crtc_state);
+void intel_plane_update_noarm(struct intel_plane *plane,
+			      const struct intel_crtc_state *crtc_state,
+			      const struct intel_plane_state *plane_state);
+void intel_plane_update_arm(struct intel_plane *plane,
+			    const struct intel_crtc_state *crtc_state,
+			    const struct intel_plane_state *plane_state);
+void intel_plane_disable_arm(struct intel_plane *plane,
+			     const struct intel_crtc_state *crtc_state);
 struct intel_plane *intel_plane_alloc(void);
 void intel_plane_free(struct intel_plane *plane);
 struct drm_plane_state *intel_plane_duplicate_state(struct drm_plane *plane);
 void intel_plane_destroy_state(struct drm_plane *plane,
 			       struct drm_plane_state *state);
-void skl_update_planes_on_crtc(struct intel_atomic_state *state,
-			       struct intel_crtc *crtc);
-void i9xx_update_planes_on_crtc(struct intel_atomic_state *state,
-				struct intel_crtc *crtc);
+void intel_update_planes_on_crtc(struct intel_atomic_state *state,
+				 struct intel_crtc *crtc);
+void skl_arm_planes_on_crtc(struct intel_atomic_state *state,
+			    struct intel_crtc *crtc);
+void i9xx_arm_planes_on_crtc(struct intel_atomic_state *state,
+			     struct intel_crtc *crtc);
 int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_state,
 					struct intel_crtc_state *crtc_state,
 					const struct intel_plane_state *old_plane_state,

drivers/gpu/drm/i915/display/intel_audio.h

@@ -11,13 +11,15 @@ struct drm_i915_private;
 struct intel_crtc_state;
 struct intel_encoder;
 
-void intel_init_audio_hooks(struct drm_i915_private *dev_priv);
+void intel_audio_hooks_init(struct drm_i915_private *dev_priv);
 void intel_audio_codec_enable(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *crtc_state,
 			      const struct drm_connector_state *conn_state);
 void intel_audio_codec_disable(struct intel_encoder *encoder,
 			       const struct intel_crtc_state *old_crtc_state,
 			       const struct drm_connector_state *old_conn_state);
+void intel_audio_cdclk_change_pre(struct drm_i915_private *dev_priv);
+void intel_audio_cdclk_change_post(struct drm_i915_private *dev_priv);
 void intel_audio_init(struct drm_i915_private *dev_priv);
 void intel_audio_deinit(struct drm_i915_private *dev_priv);
 

drivers/gpu/drm/i915/display/intel_cdclk.c

@@ -24,6 +24,7 @@
 #include <linux/time.h>
 
 #include "intel_atomic.h"
+#include "intel_audio.h"
 #include "intel_bw.h"
 #include "intel_cdclk.h"
 #include "intel_de.h"
@@ -1975,6 +1976,8 @@ static void intel_set_cdclk(struct drm_i915_private *dev_priv,
 		intel_psr_pause(intel_dp);
 	}
 
+	intel_audio_cdclk_change_pre(dev_priv);
+
 	/*
 	 * Lock aux/gmbus while we change cdclk in case those
 	 * functions use cdclk. Not all platforms/ports do,
@@ -2003,6 +2006,8 @@ static void intel_set_cdclk(struct drm_i915_private *dev_priv,
 		intel_psr_resume(intel_dp);
 	}
 
+	intel_audio_cdclk_change_post(dev_priv);
+
 	if (drm_WARN(&dev_priv->drm,
 		     intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_config),
 		     "cdclk state doesn't match!\n")) {

drivers/gpu/drm/i915/display/intel_combo_phy.c

@@ -301,7 +301,7 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv,
 
 	val = intel_de_read(dev_priv, ICL_PORT_CL_DW10(phy));
 	val &= ~PWR_DOWN_LN_MASK;
-	val |= lane_mask << PWR_DOWN_LN_SHIFT;
+	val |= lane_mask;
 	intel_de_write(dev_priv, ICL_PORT_CL_DW10(phy), val);
 }
 

drivers/gpu/drm/i915/display/intel_crt.c

@@ -45,6 +45,7 @@
 #include "intel_fifo_underrun.h"
 #include "intel_gmbus.h"
 #include "intel_hotplug.h"
+#include "intel_pch_display.h"
 
 /* Here's the desired hotplug mode */
 #define ADPA_HOTPLUG_BITS (ADPA_CRT_HOTPLUG_PERIOD_128 |		\
@@ -143,7 +144,7 @@ static void intel_crt_get_config(struct intel_encoder *encoder,
 static void hsw_crt_get_config(struct intel_encoder *encoder,
 			       struct intel_crtc_state *pipe_config)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	lpt_pch_get_config(pipe_config);
 
 	hsw_ddi_get_config(encoder, pipe_config);
 
@@ -152,8 +153,6 @@ static void hsw_crt_get_config(struct intel_encoder *encoder,
 					      DRM_MODE_FLAG_PVSYNC |
 					      DRM_MODE_FLAG_NVSYNC);
 	pipe_config->hw.adjusted_mode.flags |= intel_crt_get_flags(encoder);
-
-	pipe_config->hw.adjusted_mode.crtc_clock = lpt_get_iclkip(dev_priv);
 }
 
 /* Note: The caller is required to filter out dpms modes not supported by the
@@ -247,6 +246,7 @@ static void hsw_post_disable_crt(struct intel_atomic_state *state,
 				 const struct intel_crtc_state *old_crtc_state,
 				 const struct drm_connector_state *old_conn_state)
 {
+	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
 	intel_crtc_vblank_off(old_crtc_state);
@@ -261,10 +261,9 @@ static void hsw_post_disable_crt(struct intel_atomic_state *state,
 
 	pch_post_disable_crt(state, encoder, old_crtc_state, old_conn_state);
 
-	lpt_disable_pch_transcoder(dev_priv);
-	lpt_disable_iclkip(dev_priv);
+	lpt_pch_disable(state, crtc);
 
-	intel_ddi_fdi_post_disable(state, encoder, old_crtc_state, old_conn_state);
+	hsw_fdi_disable(encoder);
 
 	drm_WARN_ON(&dev_priv->drm, !old_crtc_state->has_pch_encoder);
 
@@ -316,7 +315,7 @@ static void hsw_enable_crt(struct intel_atomic_state *state,
 
 	intel_enable_transcoder(crtc_state);
 
-	lpt_pch_enable(crtc_state);
+	lpt_pch_enable(state, crtc);
 
 	intel_crtc_vblank_on(crtc_state);
 

drivers/gpu/drm/i915/display/intel_crtc.c

@@ -3,16 +3,18 @@
  * Copyright © 2020 Intel Corporation
  */
 #include <linux/kernel.h>
+#include <linux/pm_qos.h>
 #include <linux/slab.h>
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fourcc.h>
 #include <drm/drm_plane.h>
 #include <drm/drm_plane_helper.h>
+#include <drm/drm_vblank_work.h>
 
 #include "i915_trace.h"
 #include "i915_vgpu.h"
-
+#include "icl_dsi.h"
 #include "intel_atomic.h"
 #include "intel_atomic_plane.h"
 #include "intel_color.h"
@@ -167,6 +169,8 @@ static void intel_crtc_destroy(struct drm_crtc *_crtc)
 {
 	struct intel_crtc *crtc = to_intel_crtc(_crtc);
 
+	cpu_latency_qos_remove_request(&crtc->vblank_pm_qos);
+
 	drm_crtc_cleanup(&crtc->base);
 	kfree(crtc);
 }
@@ -344,6 +348,8 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
 
 	intel_crtc_crc_init(crtc);
 
+	cpu_latency_qos_add_request(&crtc->vblank_pm_qos, PM_QOS_DEFAULT_VALUE);
+
 	drm_WARN_ON(&dev_priv->drm, drm_crtc_index(&crtc->base) != crtc->pipe);
 
 	return 0;
@@ -354,6 +360,65 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
 	return ret;
 }
 
+static bool intel_crtc_needs_vblank_work(const struct intel_crtc_state *crtc_state)
+{
+	return crtc_state->hw.active &&
+		!intel_crtc_needs_modeset(crtc_state) &&
+		!crtc_state->preload_luts &&
+		(crtc_state->uapi.color_mgmt_changed ||
+		 crtc_state->update_pipe);
+}
+
+static void intel_crtc_vblank_work(struct kthread_work *base)
+{
+	struct drm_vblank_work *work = to_drm_vblank_work(base);
+	struct intel_crtc_state *crtc_state =
+		container_of(work, typeof(*crtc_state), vblank_work);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+
+	trace_intel_crtc_vblank_work_start(crtc);
+
+	intel_color_load_luts(crtc_state);
+
+	if (crtc_state->uapi.event) {
+		spin_lock_irq(&crtc->base.dev->event_lock);
+		drm_crtc_send_vblank_event(&crtc->base, crtc_state->uapi.event);
+		crtc_state->uapi.event = NULL;
+		spin_unlock_irq(&crtc->base.dev->event_lock);
+	}
+
+	trace_intel_crtc_vblank_work_end(crtc);
+}
+
+static void intel_crtc_vblank_work_init(struct intel_crtc_state *crtc_state)
+{
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+
+	drm_vblank_work_init(&crtc_state->vblank_work, &crtc->base,
+			     intel_crtc_vblank_work);
+	/*
+	 * Interrupt latency is critical for getting the vblank
+	 * work executed as early as possible during the vblank.
+	 */
+	cpu_latency_qos_update_request(&crtc->vblank_pm_qos, 0);
+}
+
+void intel_wait_for_vblank_workers(struct intel_atomic_state *state)
+{
+	struct intel_crtc_state *crtc_state;
+	struct intel_crtc *crtc;
+	int i;
+
+	for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
+		if (!intel_crtc_needs_vblank_work(crtc_state))
+			continue;
+
+		drm_vblank_work_flush(&crtc_state->vblank_work);
+		cpu_latency_qos_update_request(&crtc->vblank_pm_qos,
+					       PM_QOS_DEFAULT_VALUE);
+	}
+}
+
 int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
 			     int usecs)
 {
@@ -387,7 +452,7 @@ static int intel_mode_vblank_start(const struct drm_display_mode *mode)
  * until a subsequent call to intel_pipe_update_end(). That is done to
  * avoid random delays.
  */
-void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state)
+void intel_pipe_update_start(struct intel_crtc_state *new_crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -402,10 +467,17 @@ void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state)
 	if (new_crtc_state->uapi.async_flip)
 		return;
 
-	if (new_crtc_state->vrr.enable)
-		vblank_start = intel_vrr_vmax_vblank_start(new_crtc_state);
-	else
+	if (intel_crtc_needs_vblank_work(new_crtc_state))
+		intel_crtc_vblank_work_init(new_crtc_state);
+
+	if (new_crtc_state->vrr.enable) {
+		if (intel_vrr_is_push_sent(new_crtc_state))
+			vblank_start = intel_vrr_vmin_vblank_start(new_crtc_state);
+		else
+			vblank_start = intel_vrr_vmax_vblank_start(new_crtc_state);
+	} else {
 		vblank_start = intel_mode_vblank_start(adjusted_mode);
+	}
 
 	/* FIXME needs to be calibrated sensibly */
 	min = vblank_start - intel_usecs_to_scanlines(adjusted_mode,
@@ -554,7 +626,11 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
 	 * Would be slightly nice to just grab the vblank count and arm the
 	 * event outside of the critical section - the spinlock might spin for a
 	 * while ... */
-	if (new_crtc_state->uapi.event) {
+	if (intel_crtc_needs_vblank_work(new_crtc_state)) {
+		drm_vblank_work_schedule(&new_crtc_state->vblank_work,
+					 drm_crtc_accurate_vblank_count(&crtc->base) + 1,
+					 false);
+	} else if (new_crtc_state->uapi.event) {
 		drm_WARN_ON(&dev_priv->drm,
 			    drm_crtc_vblank_get(&crtc->base) != 0);
 
@@ -566,11 +642,24 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
 		new_crtc_state->uapi.event = NULL;
 	}
 
-	local_irq_enable();
-
-	/* Send VRR Push to terminate Vblank */
+	/*
+	 * Send VRR Push to terminate Vblank. If we are already in vblank
+	 * this has to be done _after_ sampling the frame counter, as
+	 * otherwise the push would immediately terminate the vblank and
+	 * the sampled frame counter would correspond to the next frame
+	 * instead of the current frame.
+	 *
+	 * There is a tiny race here (iff vblank evasion failed us) where
+	 * we might sample the frame counter just before vmax vblank start
+	 * but the push would be sent just after it. That would cause the
+	 * push to affect the next frame instead of the current frame,
+	 * which would cause the next frame to terminate already at vmin
+	 * vblank start instead of vmax vblank start.
+	 */
 	intel_vrr_send_push(new_crtc_state);
 
+	local_irq_enable();
+
 	if (intel_vgpu_active(dev_priv))
 		return;
 

drivers/gpu/drm/i915/display/intel_crtc.h

@@ -9,10 +9,14 @@
 #include <linux/types.h>
 
 enum pipe;
+struct drm_display_mode;
 struct drm_i915_private;
+struct intel_atomic_state;
 struct intel_crtc;
 struct intel_crtc_state;
 
+int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
+			     int usecs);
 u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state);
 int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe);
 struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc);
@@ -21,5 +25,8 @@ void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
 u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc);
 void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state);
 void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state);
+void intel_pipe_update_start(struct intel_crtc_state *new_crtc_state);
+void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state);
+void intel_wait_for_vblank_workers(struct intel_atomic_state *state);
 
 #endif

drivers/gpu/drm/i915/display/intel_cursor.c

@@ -28,11 +28,6 @@ static const u32 intel_cursor_formats[] = {
 	DRM_FORMAT_ARGB8888,
 };
 
-static const u64 cursor_format_modifiers[] = {
-	DRM_FORMAT_MOD_LINEAR,
-	DRM_FORMAT_MOD_INVALID
-};
-
 static u32 intel_cursor_base(const struct intel_plane_state *plane_state)
 {
 	struct drm_i915_private *dev_priv =
@@ -195,7 +190,7 @@ static u32 i845_cursor_ctl(const struct intel_crtc_state *crtc_state,
 {
 	return CURSOR_ENABLE |
 		CURSOR_FORMAT_ARGB |
-		CURSOR_STRIDE(plane_state->view.color_plane[0].stride);
+		CURSOR_STRIDE(plane_state->view.color_plane[0].mapping_stride);
 }
 
 static bool i845_cursor_size_ok(const struct intel_plane_state *plane_state)
@@ -234,7 +229,7 @@ static int i845_check_cursor(struct intel_crtc_state *crtc_state,
 	}
 
 	drm_WARN_ON(&i915->drm, plane_state->uapi.visible &&
-		    plane_state->view.color_plane[0].stride != fb->pitches[0]);
+		    plane_state->view.color_plane[0].mapping_stride != fb->pitches[0]);
 
 	switch (fb->pitches[0]) {
 	case 256:
@@ -253,9 +248,10 @@ static int i845_check_cursor(struct intel_crtc_state *crtc_state,
 	return 0;
 }
 
-static void i845_update_cursor(struct intel_plane *plane,
-			       const struct intel_crtc_state *crtc_state,
-			       const struct intel_plane_state *plane_state)
+/* TODO: split into noarm+arm pair */
+static void i845_cursor_update_arm(struct intel_plane *plane,
+				   const struct intel_crtc_state *crtc_state,
+				   const struct intel_plane_state *plane_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 	u32 cntl = 0, base = 0, pos = 0, size = 0;
@@ -298,10 +294,10 @@ static void i845_update_cursor(struct intel_plane *plane,
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
 
-static void i845_disable_cursor(struct intel_plane *plane,
-				const struct intel_crtc_state *crtc_state)
+static void i845_cursor_disable_arm(struct intel_plane *plane,
+				    const struct intel_crtc_state *crtc_state)
 {
-	i845_update_cursor(plane, crtc_state, NULL);
+	i845_cursor_update_arm(plane, crtc_state, NULL);
 }
 
 static bool i845_cursor_get_hw_state(struct intel_plane *plane,
@@ -455,7 +451,7 @@ static int i9xx_check_cursor(struct intel_crtc_state *crtc_state,
 	}
 
 	drm_WARN_ON(&dev_priv->drm, plane_state->uapi.visible &&
-		    plane_state->view.color_plane[0].stride != fb->pitches[0]);
+		    plane_state->view.color_plane[0].mapping_stride != fb->pitches[0]);
 
 	if (fb->pitches[0] !=
 	    drm_rect_width(&plane_state->uapi.dst) * fb->format->cpp[0]) {
@@ -488,9 +484,10 @@ static int i9xx_check_cursor(struct intel_crtc_state *crtc_state,
 	return 0;
 }
 
-static void i9xx_update_cursor(struct intel_plane *plane,
-			       const struct intel_crtc_state *crtc_state,
-			       const struct intel_plane_state *plane_state)
+/* TODO: split into noarm+arm pair */
+static void i9xx_cursor_update_arm(struct intel_plane *plane,
+				   const struct intel_crtc_state *crtc_state,
+				   const struct intel_plane_state *plane_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 	enum pipe pipe = plane->pipe;
@@ -562,10 +559,10 @@ static void i9xx_update_cursor(struct intel_plane *plane,
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
 
-static void i9xx_disable_cursor(struct intel_plane *plane,
-				const struct intel_crtc_state *crtc_state)
+static void i9xx_cursor_disable_arm(struct intel_plane *plane,
+				    const struct intel_crtc_state *crtc_state)
 {
-	i9xx_update_cursor(plane, crtc_state, NULL);
+	i9xx_cursor_update_arm(plane, crtc_state, NULL);
 }
 
 static bool i9xx_cursor_get_hw_state(struct intel_plane *plane,
@@ -605,8 +602,10 @@ static bool i9xx_cursor_get_hw_state(struct intel_plane *plane,
 static bool intel_cursor_format_mod_supported(struct drm_plane *_plane,
 					      u32 format, u64 modifier)
 {
-	return modifier == DRM_FORMAT_MOD_LINEAR &&
-		format == DRM_FORMAT_ARGB8888;
+	if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
+		return false;
+
+	return format == DRM_FORMAT_ARGB8888;
 }
 
 static int
@@ -717,10 +716,12 @@ intel_legacy_cursor_update(struct drm_plane *_plane,
 	 */
 	crtc_state->active_planes = new_crtc_state->active_planes;
 
-	if (new_plane_state->uapi.visible)
-		intel_update_plane(plane, crtc_state, new_plane_state);
-	else
-		intel_disable_plane(plane, crtc_state);
+	if (new_plane_state->uapi.visible) {
+		intel_plane_update_noarm(plane, crtc_state, new_plane_state);
+		intel_plane_update_arm(plane, crtc_state, new_plane_state);
+	} else {
+		intel_plane_disable_arm(plane, crtc_state);
+	}
 
 	intel_plane_unpin_fb(old_plane_state);
 
@@ -754,6 +755,7 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv,
 {
 	struct intel_plane *cursor;
 	int ret, zpos;
+	u64 *modifiers;
 
 	cursor = intel_plane_alloc();
 	if (IS_ERR(cursor))
@@ -766,14 +768,14 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv,
 
 	if (IS_I845G(dev_priv) || IS_I865G(dev_priv)) {
 		cursor->max_stride = i845_cursor_max_stride;
-		cursor->update_plane = i845_update_cursor;
-		cursor->disable_plane = i845_disable_cursor;
+		cursor->update_arm = i845_cursor_update_arm;
+		cursor->disable_arm = i845_cursor_disable_arm;
 		cursor->get_hw_state = i845_cursor_get_hw_state;
 		cursor->check_plane = i845_check_cursor;
 	} else {
 		cursor->max_stride = i9xx_cursor_max_stride;
-		cursor->update_plane = i9xx_update_cursor;
-		cursor->disable_plane = i9xx_disable_cursor;
+		cursor->update_arm = i9xx_cursor_update_arm;
+		cursor->disable_arm = i9xx_cursor_disable_arm;
 		cursor->get_hw_state = i9xx_cursor_get_hw_state;
 		cursor->check_plane = i9xx_check_cursor;
 	}
@@ -784,13 +786,18 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv,
 	if (IS_I845G(dev_priv) || IS_I865G(dev_priv) || HAS_CUR_FBC(dev_priv))
 		cursor->cursor.size = ~0;
 
+	modifiers = intel_fb_plane_get_modifiers(dev_priv, INTEL_PLANE_CAP_NONE);
+
 	ret = drm_universal_plane_init(&dev_priv->drm, &cursor->base,
 				       0, &intel_cursor_plane_funcs,
 				       intel_cursor_formats,
 				       ARRAY_SIZE(intel_cursor_formats),
-				       cursor_format_modifiers,
+				       modifiers,
 				       DRM_PLANE_TYPE_CURSOR,
 				       "cursor %c", pipe_name(pipe));
+
+	kfree(modifiers);
+
 	if (ret)
 		goto fail;
 

drivers/gpu/drm/i915/display/intel_ddi.h

@@ -6,11 +6,11 @@
 #ifndef __INTEL_DDI_H__
 #define __INTEL_DDI_H__
 
-#include "intel_display.h"
 #include "i915_reg.h"
 
 struct drm_connector_state;
 struct drm_i915_private;
+struct intel_atomic_state;
 struct intel_connector;
 struct intel_crtc;
 struct intel_crtc_state;
@@ -18,6 +18,8 @@ struct intel_dp;
 struct intel_dpll_hw_state;
 struct intel_encoder;
 struct intel_shared_dpll;
+enum pipe;
+enum port;
 enum transcoder;
 
 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
@@ -30,6 +32,7 @@ void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
 				const struct drm_connector_state *old_conn_state);
 void intel_ddi_enable_clock(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state);
+void intel_ddi_disable_clock(struct intel_encoder *encoder);
 void intel_ddi_get_clock(struct intel_encoder *encoder,
 			 struct intel_crtc_state *crtc_state,
 			 struct intel_shared_dpll *pll);

drivers/gpu/drm/i915/display/intel_display.h

@@ -521,7 +521,6 @@ void intel_link_compute_m_n(u16 bpp, int nlanes,
 			    int pixel_clock, int link_clock,
 			    struct intel_link_m_n *m_n,
 			    bool constant_n, bool fec_enable);
-void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv);
 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
 			      u32 pixel_format, u64 modifier);
 enum drm_mode_status
@@ -542,9 +541,6 @@ int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
 		      const char *name, u32 reg, int ref_freq);
 int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
 			   const char *name, u32 reg);
-void lpt_pch_enable(const struct intel_crtc_state *crtc_state);
-void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv);
-void lpt_disable_iclkip(struct drm_i915_private *dev_priv);
 void intel_init_display_hooks(struct drm_i915_private *dev_priv);
 unsigned int intel_fb_xy_to_linear(int x, int y,
 				   const struct intel_plane_state *state,
@@ -580,10 +576,6 @@ struct drm_framebuffer *
 intel_framebuffer_create(struct drm_i915_gem_object *obj,
 			 struct drm_mode_fb_cmd2 *mode_cmd);
 
-void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
-				    enum pipe pipe);
-
-int lpt_get_iclkip(struct drm_i915_private *dev_priv);
 bool intel_fuzzy_clock_check(int clock1, int clock2);
 
 void intel_display_prepare_reset(struct drm_i915_private *dev_priv);
@@ -592,8 +584,11 @@ void intel_dp_get_m_n(struct intel_crtc *crtc,
 		      struct intel_crtc_state *pipe_config);
 void intel_dp_set_m_n(const struct intel_crtc_state *crtc_state,
 		      enum link_m_n_set m_n);
+void ilk_get_fdi_m_n_config(struct intel_crtc *crtc,
+			    struct intel_crtc_state *pipe_config);
+void i9xx_crtc_clock_get(struct intel_crtc *crtc,
+			 struct intel_crtc_state *pipe_config);
 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
-
 bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);
 void hsw_enable_ips(const struct intel_crtc_state *crtc_state);
 void hsw_disable_ips(const struct intel_crtc_state *crtc_state);
@@ -610,9 +605,6 @@ int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
 unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
 
 bool intel_plane_uses_fence(const struct intel_plane_state *plane_state);
-bool
-intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
-				    u64 modifier);
 
 struct intel_encoder *
 intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
@@ -632,7 +624,6 @@ void intel_modeset_driver_remove(struct drm_i915_private *i915);
 void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915);
 void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915);
 void intel_display_resume(struct drm_device *dev);
-void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
 int intel_modeset_all_pipes(struct intel_atomic_state *state);
 
 /* modesetting asserts */