drm/i915: Move display related definitions to dedicated header

We already have separate files for display related code, there
is no reason to keep all display definitions in master header.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171221185334.17396-3-michal.wajdeczko@intel.com
[ickle: quieten checkpatch]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171221215735.30314-2-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_drv.h

@@ -62,6 +62,7 @@
 #include "intel_uc.h"
 #include "intel_lrc.h"
 #include "intel_ringbuffer.h"
+#include "intel_display.h"
 
 #include "i915_gem.h"
 #include "i915_gem_context.h"
@@ -243,159 +244,6 @@ static inline uint_fixed_16_16_t add_fixed16_u32(uint_fixed_16_16_t add1,
 	return clamp_u64_to_fixed16(interm_sum);
 }
 
-enum pipe {
-	INVALID_PIPE = -1,
-	PIPE_A = 0,
-	PIPE_B,
-	PIPE_C,
-	_PIPE_EDP,
-	I915_MAX_PIPES = _PIPE_EDP
-};
-#define pipe_name(p) ((p) + 'A')
-
-enum transcoder {
-	TRANSCODER_A = 0,
-	TRANSCODER_B,
-	TRANSCODER_C,
-	TRANSCODER_EDP,
-	TRANSCODER_DSI_A,
-	TRANSCODER_DSI_C,
-	I915_MAX_TRANSCODERS
-};
-
-static inline const char *transcoder_name(enum transcoder transcoder)
-{
-	switch (transcoder) {
-	case TRANSCODER_A:
-		return "A";
-	case TRANSCODER_B:
-		return "B";
-	case TRANSCODER_C:
-		return "C";
-	case TRANSCODER_EDP:
-		return "EDP";
-	case TRANSCODER_DSI_A:
-		return "DSI A";
-	case TRANSCODER_DSI_C:
-		return "DSI C";
-	default:
-		return "<invalid>";
-	}
-}
-
-static inline bool transcoder_is_dsi(enum transcoder transcoder)
-{
-	return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C;
-}
-
-/*
- * Global legacy plane identifier. Valid only for primary/sprite
- * planes on pre-g4x, and only for primary planes on g4x-bdw.
- */
-enum i9xx_plane_id {
-	PLANE_A,
-	PLANE_B,
-	PLANE_C,
-};
-#define plane_name(p) ((p) + 'A')
-
-#define sprite_name(p, s) ((p) * INTEL_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
-
-/*
- * Per-pipe plane identifier.
- * I915_MAX_PLANES in the enum below is the maximum (across all platforms)
- * number of planes per CRTC.  Not all platforms really have this many planes,
- * which means some arrays of size I915_MAX_PLANES may have unused entries
- * between the topmost sprite plane and the cursor plane.
- *
- * This is expected to be passed to various register macros
- * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care.
- */
-enum plane_id {
-	PLANE_PRIMARY,
-	PLANE_SPRITE0,
-	PLANE_SPRITE1,
-	PLANE_SPRITE2,
-	PLANE_CURSOR,
-	I915_MAX_PLANES,
-};
-
-#define for_each_plane_id_on_crtc(__crtc, __p) \
-	for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
-		for_each_if ((__crtc)->plane_ids_mask & BIT(__p))
-
-enum port {
-	PORT_NONE = -1,
-	PORT_A = 0,
-	PORT_B,
-	PORT_C,
-	PORT_D,
-	PORT_E,
-	I915_MAX_PORTS
-};
-#define port_name(p) ((p) + 'A')
-
-#define I915_NUM_PHYS_VLV 2
-
-enum dpio_channel {
-	DPIO_CH0,
-	DPIO_CH1
-};
-
-enum dpio_phy {
-	DPIO_PHY0,
-	DPIO_PHY1,
-	DPIO_PHY2,
-};
-
-enum intel_display_power_domain {
-	POWER_DOMAIN_PIPE_A,
-	POWER_DOMAIN_PIPE_B,
-	POWER_DOMAIN_PIPE_C,
-	POWER_DOMAIN_PIPE_A_PANEL_FITTER,
-	POWER_DOMAIN_PIPE_B_PANEL_FITTER,
-	POWER_DOMAIN_PIPE_C_PANEL_FITTER,
-	POWER_DOMAIN_TRANSCODER_A,
-	POWER_DOMAIN_TRANSCODER_B,
-	POWER_DOMAIN_TRANSCODER_C,
-	POWER_DOMAIN_TRANSCODER_EDP,
-	POWER_DOMAIN_TRANSCODER_DSI_A,
-	POWER_DOMAIN_TRANSCODER_DSI_C,
-	POWER_DOMAIN_PORT_DDI_A_LANES,
-	POWER_DOMAIN_PORT_DDI_B_LANES,
-	POWER_DOMAIN_PORT_DDI_C_LANES,
-	POWER_DOMAIN_PORT_DDI_D_LANES,
-	POWER_DOMAIN_PORT_DDI_E_LANES,
-	POWER_DOMAIN_PORT_DDI_A_IO,
-	POWER_DOMAIN_PORT_DDI_B_IO,
-	POWER_DOMAIN_PORT_DDI_C_IO,
-	POWER_DOMAIN_PORT_DDI_D_IO,
-	POWER_DOMAIN_PORT_DDI_E_IO,
-	POWER_DOMAIN_PORT_DSI,
-	POWER_DOMAIN_PORT_CRT,
-	POWER_DOMAIN_PORT_OTHER,
-	POWER_DOMAIN_VGA,
-	POWER_DOMAIN_AUDIO,
-	POWER_DOMAIN_PLLS,
-	POWER_DOMAIN_AUX_A,
-	POWER_DOMAIN_AUX_B,
-	POWER_DOMAIN_AUX_C,
-	POWER_DOMAIN_AUX_D,
-	POWER_DOMAIN_GMBUS,
-	POWER_DOMAIN_MODESET,
-	POWER_DOMAIN_GT_IRQ,
-	POWER_DOMAIN_INIT,
-
-	POWER_DOMAIN_NUM,
-};
-
-#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
-#define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
-		((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
-#define POWER_DOMAIN_TRANSCODER(tran) \
-	((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
-	 (tran) + POWER_DOMAIN_TRANSCODER_A)
-
 enum hpd_pin {
 	HPD_NONE = 0,
 	HPD_TV = HPD_NONE,     /* TV is known to be unreliable */
@@ -457,121 +305,6 @@ struct i915_hotplug {
 	 I915_GEM_DOMAIN_INSTRUCTION | \
 	 I915_GEM_DOMAIN_VERTEX)
 
-#define for_each_pipe(__dev_priv, __p) \
-	for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
-#define for_each_pipe_masked(__dev_priv, __p, __mask) \
-	for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) \
-		for_each_if ((__mask) & (1 << (__p)))
-#define for_each_universal_plane(__dev_priv, __pipe, __p)		\
-	for ((__p) = 0;							\
-	     (__p) < INTEL_INFO(__dev_priv)->num_sprites[(__pipe)] + 1;	\
-	     (__p)++)
-#define for_each_sprite(__dev_priv, __p, __s)				\
-	for ((__s) = 0;							\
-	     (__s) < INTEL_INFO(__dev_priv)->num_sprites[(__p)];	\
-	     (__s)++)
-
-#define for_each_port_masked(__port, __ports_mask) \
-	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
-		for_each_if ((__ports_mask) & (1 << (__port)))
-
-#define for_each_crtc(dev, crtc) \
-	list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
-
-#define for_each_intel_plane(dev, intel_plane) \
-	list_for_each_entry(intel_plane,			\
-			    &(dev)->mode_config.plane_list,	\
-			    base.head)
-
-#define for_each_intel_plane_mask(dev, intel_plane, plane_mask)		\
-	list_for_each_entry(intel_plane,				\
-			    &(dev)->mode_config.plane_list,		\
-			    base.head)					\
-		for_each_if ((plane_mask) &				\
-			     (1 << drm_plane_index(&intel_plane->base)))
-
-#define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane)	\
-	list_for_each_entry(intel_plane,				\
-			    &(dev)->mode_config.plane_list,		\
-			    base.head)					\
-		for_each_if ((intel_plane)->pipe == (intel_crtc)->pipe)
-
-#define for_each_intel_crtc(dev, intel_crtc)				\
-	list_for_each_entry(intel_crtc,					\
-			    &(dev)->mode_config.crtc_list,		\
-			    base.head)
-
-#define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask)		\
-	list_for_each_entry(intel_crtc,					\
-			    &(dev)->mode_config.crtc_list,		\
-			    base.head)					\
-		for_each_if ((crtc_mask) & (1 << drm_crtc_index(&intel_crtc->base)))
-
-#define for_each_intel_encoder(dev, intel_encoder)		\
-	list_for_each_entry(intel_encoder,			\
-			    &(dev)->mode_config.encoder_list,	\
-			    base.head)
-
-#define for_each_intel_connector_iter(intel_connector, iter) \
-	while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))
-
-#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
-	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
-		for_each_if ((intel_encoder)->base.crtc == (__crtc))
-
-#define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
-	list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
-		for_each_if ((intel_connector)->base.encoder == (__encoder))
-
-#define for_each_power_domain(domain, mask)				\
-	for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++)	\
-		for_each_if (BIT_ULL(domain) & (mask))
-
-#define for_each_power_well(__dev_priv, __power_well)				\
-	for ((__power_well) = (__dev_priv)->power_domains.power_wells;	\
-	     (__power_well) - (__dev_priv)->power_domains.power_wells <	\
-		(__dev_priv)->power_domains.power_well_count;		\
-	     (__power_well)++)
-
-#define for_each_power_well_rev(__dev_priv, __power_well)			\
-	for ((__power_well) = (__dev_priv)->power_domains.power_wells +		\
-			      (__dev_priv)->power_domains.power_well_count - 1;	\
-	     (__power_well) - (__dev_priv)->power_domains.power_wells >= 0;	\
-	     (__power_well)--)
-
-#define for_each_power_domain_well(__dev_priv, __power_well, __domain_mask)	\
-	for_each_power_well(__dev_priv, __power_well)				\
-		for_each_if ((__power_well)->domains & (__domain_mask))
-
-#define for_each_power_domain_well_rev(__dev_priv, __power_well, __domain_mask) \
-	for_each_power_well_rev(__dev_priv, __power_well)		        \
-		for_each_if ((__power_well)->domains & (__domain_mask))
-
-#define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \
-	for ((__i) = 0; \
-	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
-		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
-		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
-	     (__i)++) \
-		for_each_if (plane)
-
-#define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \
-	for ((__i) = 0; \
-	     (__i) < (__state)->base.dev->mode_config.num_crtc && \
-		     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
-		      (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
-	     (__i)++) \
-		for_each_if (crtc)
-
-#define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \
-	for ((__i) = 0; \
-	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
-		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
-		      (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \
-		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
-	     (__i)++) \
-		for_each_if (plane)
-
 struct drm_i915_private;
 struct i915_mm_struct;
 struct i915_mmu_object;
@@ -608,20 +341,6 @@ struct drm_i915_file_private {
 	atomic_t context_bans;
 };
 
-/* Used by dp and fdi links */
-struct intel_link_m_n {
-	uint32_t	tu;
-	uint32_t	gmch_m;
-	uint32_t	gmch_n;
-	uint32_t	link_m;
-	uint32_t	link_n;
-};
-
-void intel_link_compute_m_n(int bpp, int nlanes,
-			    int pixel_clock, int link_clock,
-			    struct intel_link_m_n *m_n,
-			    bool reduce_m_n);
-
 /* Interface history:
  *
  * 1.1: Original.

drivers/gpu/drm/i915/intel_display.h

+/*
+ * Copyright © 2006-2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _INTEL_DISPLAY_H_
+#define _INTEL_DISPLAY_H_
+
+enum pipe {
+	INVALID_PIPE = -1,
+
+	PIPE_A = 0,
+	PIPE_B,
+	PIPE_C,
+	_PIPE_EDP,
+
+	I915_MAX_PIPES = _PIPE_EDP
+};
+
+#define pipe_name(p) ((p) + 'A')
+
+enum transcoder {
+	TRANSCODER_A = 0,
+	TRANSCODER_B,
+	TRANSCODER_C,
+	TRANSCODER_EDP,
+	TRANSCODER_DSI_A,
+	TRANSCODER_DSI_C,
+
+	I915_MAX_TRANSCODERS
+};
+
+static inline const char *transcoder_name(enum transcoder transcoder)
+{
+	switch (transcoder) {
+	case TRANSCODER_A:
+		return "A";
+	case TRANSCODER_B:
+		return "B";
+	case TRANSCODER_C:
+		return "C";
+	case TRANSCODER_EDP:
+		return "EDP";
+	case TRANSCODER_DSI_A:
+		return "DSI A";
+	case TRANSCODER_DSI_C:
+		return "DSI C";
+	default:
+		return "<invalid>";
+	}
+}
+
+static inline bool transcoder_is_dsi(enum transcoder transcoder)
+{
+	return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C;
+}
+
+/*
+ * Global legacy plane identifier. Valid only for primary/sprite
+ * planes on pre-g4x, and only for primary planes on g4x-bdw.
+ */
+enum i9xx_plane_id {
+	PLANE_A,
+	PLANE_B,
+	PLANE_C,
+};
+
+#define plane_name(p) ((p) + 'A')
+#define sprite_name(p, s) ((p) * INTEL_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
+
+/*
+ * Per-pipe plane identifier.
+ * I915_MAX_PLANES in the enum below is the maximum (across all platforms)
+ * number of planes per CRTC.  Not all platforms really have this many planes,
+ * which means some arrays of size I915_MAX_PLANES may have unused entries
+ * between the topmost sprite plane and the cursor plane.
+ *
+ * This is expected to be passed to various register macros
+ * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care.
+ */
+enum plane_id {
+	PLANE_PRIMARY,
+	PLANE_SPRITE0,
+	PLANE_SPRITE1,
+	PLANE_SPRITE2,
+	PLANE_CURSOR,
+
+	I915_MAX_PLANES,
+};
+
+#define for_each_plane_id_on_crtc(__crtc, __p) \
+	for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
+		for_each_if((__crtc)->plane_ids_mask & BIT(__p))
+
+enum port {
+	PORT_NONE = -1,
+
+	PORT_A = 0,
+	PORT_B,
+	PORT_C,
+	PORT_D,
+	PORT_E,
+
+	I915_MAX_PORTS
+};
+
+#define port_name(p) ((p) + 'A')
+
+enum dpio_channel {
+	DPIO_CH0,
+	DPIO_CH1
+};
+
+enum dpio_phy {
+	DPIO_PHY0,
+	DPIO_PHY1,
+	DPIO_PHY2,
+};
+
+#define I915_NUM_PHYS_VLV 2
+
+enum intel_display_power_domain {
+	POWER_DOMAIN_PIPE_A,
+	POWER_DOMAIN_PIPE_B,
+	POWER_DOMAIN_PIPE_C,
+	POWER_DOMAIN_PIPE_A_PANEL_FITTER,
+	POWER_DOMAIN_PIPE_B_PANEL_FITTER,
+	POWER_DOMAIN_PIPE_C_PANEL_FITTER,
+	POWER_DOMAIN_TRANSCODER_A,
+	POWER_DOMAIN_TRANSCODER_B,
+	POWER_DOMAIN_TRANSCODER_C,
+	POWER_DOMAIN_TRANSCODER_EDP,
+	POWER_DOMAIN_TRANSCODER_DSI_A,
+	POWER_DOMAIN_TRANSCODER_DSI_C,
+	POWER_DOMAIN_PORT_DDI_A_LANES,
+	POWER_DOMAIN_PORT_DDI_B_LANES,
+	POWER_DOMAIN_PORT_DDI_C_LANES,
+	POWER_DOMAIN_PORT_DDI_D_LANES,
+	POWER_DOMAIN_PORT_DDI_E_LANES,
+	POWER_DOMAIN_PORT_DDI_A_IO,
+	POWER_DOMAIN_PORT_DDI_B_IO,
+	POWER_DOMAIN_PORT_DDI_C_IO,
+	POWER_DOMAIN_PORT_DDI_D_IO,
+	POWER_DOMAIN_PORT_DDI_E_IO,
+	POWER_DOMAIN_PORT_DSI,
+	POWER_DOMAIN_PORT_CRT,
+	POWER_DOMAIN_PORT_OTHER,
+	POWER_DOMAIN_VGA,
+	POWER_DOMAIN_AUDIO,
+	POWER_DOMAIN_PLLS,
+	POWER_DOMAIN_AUX_A,
+	POWER_DOMAIN_AUX_B,
+	POWER_DOMAIN_AUX_C,
+	POWER_DOMAIN_AUX_D,
+	POWER_DOMAIN_GMBUS,
+	POWER_DOMAIN_MODESET,
+	POWER_DOMAIN_GT_IRQ,
+	POWER_DOMAIN_INIT,
+
+	POWER_DOMAIN_NUM,
+};
+
+#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
+#define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
+		((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
+#define POWER_DOMAIN_TRANSCODER(tran) \
+	((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
+	 (tran) + POWER_DOMAIN_TRANSCODER_A)
+
+/* Used by dp and fdi links */
+struct intel_link_m_n {
+	u32 tu;
+	u32 gmch_m;
+	u32 gmch_n;
+	u32 link_m;
+	u32 link_n;
+};
+
+#define for_each_pipe(__dev_priv, __p) \
+	for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
+
+#define for_each_pipe_masked(__dev_priv, __p, __mask) \
+	for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) \
+		for_each_if((__mask) & BIT(__p))
+
+#define for_each_universal_plane(__dev_priv, __pipe, __p)		\
+	for ((__p) = 0;							\
+	     (__p) < INTEL_INFO(__dev_priv)->num_sprites[(__pipe)] + 1;	\
+	     (__p)++)
+
+#define for_each_sprite(__dev_priv, __p, __s)				\
+	for ((__s) = 0;							\
+	     (__s) < INTEL_INFO(__dev_priv)->num_sprites[(__p)];	\
+	     (__s)++)
+
+#define for_each_port_masked(__port, __ports_mask) \
+	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
+		for_each_if((__ports_mask) & BIT(__port))
+
+#define for_each_crtc(dev, crtc) \
+	list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
+
+#define for_each_intel_plane(dev, intel_plane) \
+	list_for_each_entry(intel_plane,			\
+			    &(dev)->mode_config.plane_list,	\
+			    base.head)
+
+#define for_each_intel_plane_mask(dev, intel_plane, plane_mask)		\
+	list_for_each_entry(intel_plane,				\
+			    &(dev)->mode_config.plane_list,		\
+			    base.head)					\
+		for_each_if((plane_mask) &				\
+			    BIT(drm_plane_index(&intel_plane->base)))
+
+#define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane)	\
+	list_for_each_entry(intel_plane,				\
+			    &(dev)->mode_config.plane_list,		\
+			    base.head)					\
+		for_each_if((intel_plane)->pipe == (intel_crtc)->pipe)
+
+#define for_each_intel_crtc(dev, intel_crtc)				\
+	list_for_each_entry(intel_crtc,					\
+			    &(dev)->mode_config.crtc_list,		\
+			    base.head)
+
+#define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask)		\
+	list_for_each_entry(intel_crtc,					\
+			    &(dev)->mode_config.crtc_list,		\
+			    base.head)					\
+		for_each_if((crtc_mask) & BIT(drm_crtc_index(&intel_crtc->base)))
+
+#define for_each_intel_encoder(dev, intel_encoder)		\
+	list_for_each_entry(intel_encoder,			\
+			    &(dev)->mode_config.encoder_list,	\
+			    base.head)
+
+#define for_each_intel_connector_iter(intel_connector, iter) \
+	while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))
+
+#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
+	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
+		for_each_if((intel_encoder)->base.crtc == (__crtc))
+
+#define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
+	list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
+		for_each_if((intel_connector)->base.encoder == (__encoder))
+
+#define for_each_power_domain(domain, mask)				\
+	for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++)	\
+		for_each_if(BIT_ULL(domain) & (mask))
+
+#define for_each_power_well(__dev_priv, __power_well)				\
+	for ((__power_well) = (__dev_priv)->power_domains.power_wells;	\
+	     (__power_well) - (__dev_priv)->power_domains.power_wells <	\
+		(__dev_priv)->power_domains.power_well_count;		\
+	     (__power_well)++)
+
+#define for_each_power_well_rev(__dev_priv, __power_well)			\
+	for ((__power_well) = (__dev_priv)->power_domains.power_wells +		\
+			      (__dev_priv)->power_domains.power_well_count - 1;	\
+	     (__power_well) - (__dev_priv)->power_domains.power_wells >= 0;	\
+	     (__power_well)--)
+
+#define for_each_power_domain_well(__dev_priv, __power_well, __domain_mask)	\
+	for_each_power_well(__dev_priv, __power_well)				\
+		for_each_if((__power_well)->domains & (__domain_mask))
+
+#define for_each_power_domain_well_rev(__dev_priv, __power_well, __domain_mask) \
+	for_each_power_well_rev(__dev_priv, __power_well)		        \
+		for_each_if((__power_well)->domains & (__domain_mask))
+
+#define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \
+	for ((__i) = 0; \
+	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
+		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
+		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
+	     (__i)++) \
+		for_each_if(plane)
+
+#define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \
+	for ((__i) = 0; \
+	     (__i) < (__state)->base.dev->mode_config.num_crtc && \
+		     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
+		      (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
+	     (__i)++) \
+		for_each_if(crtc)
+
+#define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \
+	for ((__i) = 0; \
+	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
+		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
+		      (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \
+		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
+	     (__i)++) \
+		for_each_if(plane)
+
+void intel_link_compute_m_n(int bpp, int nlanes,
+			    int pixel_clock, int link_clock,
+			    struct intel_link_m_n *m_n,
+			    bool reduce_m_n);
+
+#endif