In another long-overdue cleanup, add a display sub-struct to
drm_i915_private, and start moving display related members there. Start
with display funcs that need a rename anyway to not collide with the new
display member.

Add a new header under display/ for defining struct intel_display.

Rename struct drm_i915_display_funcs to intel_display_funcs while at it.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c  | 28 +++++++-------
 .../gpu/drm/i915/display/intel_display_core.h | 38 +++++++++++++++++++
 .../drm/i915/display/intel_modeset_setup.c    |  2 +-
 .../drm/i915/display/intel_plane_initial.c    |  2 +-
 drivers/gpu/drm/i915/i915_drv.h               | 21 ++--------
 5 files changed, 57 insertions(+), 34 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/display/intel_display_core.h

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index f143adefdf38..24ab1501beea 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -4144,7 +4144,7 @@ bool intel_crtc_get_pipe_config(struct intel_crtc_state 
*crtc_state)
        struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
        struct drm_i915_private *i915 = to_i915(crtc->base.dev);
 
-       if (!i915->display->get_pipe_config(crtc, crtc_state))
+       if (!i915->display.funcs.crtc->get_pipe_config(crtc, crtc_state))
                return false;
 
        crtc_state->hw.active = true;
@@ -7119,7 +7119,7 @@ static void intel_enable_crtc(struct intel_atomic_state 
*state,
 
        intel_crtc_update_active_timings(new_crtc_state);
 
-       dev_priv->display->crtc_enable(state, crtc);
+       dev_priv->display.funcs.crtc->crtc_enable(state, crtc);
 
        if (intel_crtc_is_bigjoiner_slave(new_crtc_state))
                return;
@@ -7198,7 +7198,7 @@ static void intel_old_crtc_state_disables(struct 
intel_atomic_state *state,
         */
        intel_crtc_disable_pipe_crc(crtc);
 
-       dev_priv->display->crtc_disable(state, crtc);
+       dev_priv->display.funcs.crtc->crtc_disable(state, crtc);
        crtc->active = false;
        intel_fbc_disable(crtc);
        intel_disable_shared_dpll(old_crtc_state);
@@ -7586,7 +7586,7 @@ static void intel_atomic_commit_tail(struct 
intel_atomic_state *state)
        }
 
        /* Now enable the clocks, plane, pipe, and connectors that we set up. */
-       dev_priv->display->commit_modeset_enables(state);
+       dev_priv->display.funcs.crtc->commit_modeset_enables(state);
 
        intel_encoders_update_complete(state);
 
@@ -8317,7 +8317,7 @@ static const struct drm_mode_config_funcs 
intel_mode_funcs = {
        .atomic_state_free = intel_atomic_state_free,
 };
 
-static const struct drm_i915_display_funcs skl_display_funcs = {
+static const struct intel_display_funcs skl_display_funcs = {
        .get_pipe_config = hsw_get_pipe_config,
        .crtc_enable = hsw_crtc_enable,
        .crtc_disable = hsw_crtc_disable,
@@ -8325,7 +8325,7 @@ static const struct drm_i915_display_funcs 
skl_display_funcs = {
        .get_initial_plane_config = skl_get_initial_plane_config,
 };
 
-static const struct drm_i915_display_funcs ddi_display_funcs = {
+static const struct intel_display_funcs ddi_display_funcs = {
        .get_pipe_config = hsw_get_pipe_config,
        .crtc_enable = hsw_crtc_enable,
        .crtc_disable = hsw_crtc_disable,
@@ -8333,7 +8333,7 @@ static const struct drm_i915_display_funcs 
ddi_display_funcs = {
        .get_initial_plane_config = i9xx_get_initial_plane_config,
 };
 
-static const struct drm_i915_display_funcs pch_split_display_funcs = {
+static const struct intel_display_funcs pch_split_display_funcs = {
        .get_pipe_config = ilk_get_pipe_config,
        .crtc_enable = ilk_crtc_enable,
        .crtc_disable = ilk_crtc_disable,
@@ -8341,7 +8341,7 @@ static const struct drm_i915_display_funcs 
pch_split_display_funcs = {
        .get_initial_plane_config = i9xx_get_initial_plane_config,
 };
 
-static const struct drm_i915_display_funcs vlv_display_funcs = {
+static const struct intel_display_funcs vlv_display_funcs = {
        .get_pipe_config = i9xx_get_pipe_config,
        .crtc_enable = valleyview_crtc_enable,
        .crtc_disable = i9xx_crtc_disable,
@@ -8349,7 +8349,7 @@ static const struct drm_i915_display_funcs 
vlv_display_funcs = {
        .get_initial_plane_config = i9xx_get_initial_plane_config,
 };
 
-static const struct drm_i915_display_funcs i9xx_display_funcs = {
+static const struct intel_display_funcs i9xx_display_funcs = {
        .get_pipe_config = i9xx_get_pipe_config,
        .crtc_enable = i9xx_crtc_enable,
        .crtc_disable = i9xx_crtc_disable,
@@ -8372,16 +8372,16 @@ void intel_init_display_hooks(struct drm_i915_private 
*dev_priv)
        intel_dpll_init_clock_hook(dev_priv);
 
        if (DISPLAY_VER(dev_priv) >= 9) {
-               dev_priv->display = &skl_display_funcs;
+               dev_priv->display.funcs.crtc = &skl_display_funcs;
        } else if (HAS_DDI(dev_priv)) {
-               dev_priv->display = &ddi_display_funcs;
+               dev_priv->display.funcs.crtc = &ddi_display_funcs;
        } else if (HAS_PCH_SPLIT(dev_priv)) {
-               dev_priv->display = &pch_split_display_funcs;
+               dev_priv->display.funcs.crtc = &pch_split_display_funcs;
        } else if (IS_CHERRYVIEW(dev_priv) ||
                   IS_VALLEYVIEW(dev_priv)) {
-               dev_priv->display = &vlv_display_funcs;
+               dev_priv->display.funcs.crtc = &vlv_display_funcs;
        } else {
-               dev_priv->display = &i9xx_display_funcs;
+               dev_priv->display.funcs.crtc = &i9xx_display_funcs;
        }
 
        intel_fdi_init_hook(dev_priv);
diff --git a/drivers/gpu/drm/i915/display/intel_display_core.h 
b/drivers/gpu/drm/i915/display/intel_display_core.h
new file mode 100644
index 000000000000..aafe548875cc
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_display_core.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __INTEL_DISPLAY_CORE_H__
+#define __INTEL_DISPLAY_CORE_H__
+
+#include <linux/types.h>
+
+struct intel_atomic_state;
+struct intel_crtc;
+struct intel_crtc_state;
+struct intel_initial_plane_config;
+
+struct intel_display_funcs {
+       /* Returns the active state of the crtc, and if the crtc is active,
+        * fills out the pipe-config with the hw state. */
+       bool (*get_pipe_config)(struct intel_crtc *,
+                               struct intel_crtc_state *);
+       void (*get_initial_plane_config)(struct intel_crtc *,
+                                        struct intel_initial_plane_config *);
+       void (*crtc_enable)(struct intel_atomic_state *state,
+                           struct intel_crtc *crtc);
+       void (*crtc_disable)(struct intel_atomic_state *state,
+                            struct intel_crtc *crtc);
+       void (*commit_modeset_enables)(struct intel_atomic_state *state);
+};
+
+struct intel_display {
+       /* Display functions */
+       struct {
+               /* Top level crtc-ish functions */
+               const struct intel_display_funcs *crtc;
+       } funcs;
+};
+
+#endif /* __INTEL_DISPLAY_CORE_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_modeset_setup.c 
b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
index f0e04d3904c6..e0d5c58c2037 100644
--- a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
+++ b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
@@ -70,7 +70,7 @@ static void intel_crtc_disable_noatomic(struct intel_crtc 
*crtc,
 
        drm_WARN_ON(&i915->drm, IS_ERR(temp_crtc_state) || ret);
 
-       i915->display->crtc_disable(to_intel_atomic_state(state), crtc);
+       i915->display.funcs.crtc->crtc_disable(to_intel_atomic_state(state), 
crtc);
 
        drm_atomic_state_put(state);
 
diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c 
b/drivers/gpu/drm/i915/display/intel_plane_initial.c
index d10f27d0b7b0..10e10ffdc13c 100644
--- a/drivers/gpu/drm/i915/display/intel_plane_initial.c
+++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c
@@ -311,7 +311,7 @@ void intel_crtc_initial_plane_config(struct intel_crtc 
*crtc)
         * can even allow for smooth boot transitions if the BIOS
         * fb is large enough for the active pipe configuration.
         */
-       dev_priv->display->get_initial_plane_config(crtc, &plane_config);
+       dev_priv->display.funcs.crtc->get_initial_plane_config(crtc, 
&plane_config);
 
        /*
         * If the fb is shared between multiple heads, we'll
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 086bbe8945d6..3df38531a54b 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -39,6 +39,7 @@
 
 #include "display/intel_cdclk.h"
 #include "display/intel_display.h"
+#include "display/intel_display_core.h"
 #include "display/intel_display_power.h"
 #include "display/intel_dmc.h"
 #include "display/intel_dpll_mgr.h"
@@ -96,7 +97,6 @@ struct intel_fbdev;
 struct intel_fdi_funcs;
 struct intel_gmbus;
 struct intel_hotplug_funcs;
-struct intel_initial_plane_config;
 struct intel_limit;
 struct intel_overlay;
 struct intel_overlay_error_state;
@@ -177,20 +177,6 @@ struct drm_i915_wm_disp_funcs {
        int (*compute_global_watermarks)(struct intel_atomic_state *state);
 };
 
-struct drm_i915_display_funcs {
-       /* Returns the active state of the crtc, and if the crtc is active,
-        * fills out the pipe-config with the hw state. */
-       bool (*get_pipe_config)(struct intel_crtc *,
-                               struct intel_crtc_state *);
-       void (*get_initial_plane_config)(struct intel_crtc *,
-                                        struct intel_initial_plane_config *);
-       void (*crtc_enable)(struct intel_atomic_state *state,
-                           struct intel_crtc *crtc);
-       void (*crtc_disable)(struct intel_atomic_state *state,
-                            struct intel_crtc *crtc);
-       void (*commit_modeset_enables)(struct intel_atomic_state *state);
-};
-
 #define I915_COLOR_UNEVICTABLE (-1) /* a non-vma sharing the address space */
 
 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
@@ -374,6 +360,8 @@ struct intel_audio_private {
 struct drm_i915_private {
        struct drm_device drm;
 
+       struct intel_display display;
+
        /* FIXME: Device release actions should all be moved to drmm_ */
        bool do_release;
 
@@ -532,9 +520,6 @@ struct drm_i915_private {
        /* display pll funcs */
        const struct intel_dpll_funcs *dpll_funcs;
 
-       /* Display functions */
-       const struct drm_i915_display_funcs *display;
-
        /* Display internal color functions */
        const struct intel_color_funcs *color_funcs;
 
-- 
2.34.1

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