Add .framebuffer_init, .framebuffer_fini and .framebuffer_lookup to the
bo parent interface. While they're about framebuffers, they're
specifically about framebuffer objects, so the bo interface is a good
enough fit, and there's no need to add another interface struct.

Signed-off-by: Jani Nikula <[email protected]>
---
 drivers/gpu/drm/i915/Makefile                |  1 -
 drivers/gpu/drm/i915/display/intel_bo.c      | 21 +++++
 drivers/gpu/drm/i915/display/intel_bo.h      |  9 ++
 drivers/gpu/drm/i915/display/intel_fb.c      | 12 +--
 drivers/gpu/drm/i915/display/intel_fb_bo.c   | 99 --------------------
 drivers/gpu/drm/i915/display/intel_fb_bo.h   | 25 -----
 drivers/gpu/drm/i915/i915_bo.c               | 92 ++++++++++++++++++
 drivers/gpu/drm/xe/Makefile                  |  1 -
 drivers/gpu/drm/xe/display/intel_fb_bo.c     | 91 ------------------
 drivers/gpu/drm/xe/display/xe_display_bo.c   | 84 +++++++++++++++++
 include/drm/intel/display_parent_interface.h |  6 ++
 11 files changed, 218 insertions(+), 223 deletions(-)
 delete mode 100644 drivers/gpu/drm/i915/display/intel_fb_bo.c
 delete mode 100644 drivers/gpu/drm/i915/display/intel_fb_bo.h
 delete mode 100644 drivers/gpu/drm/xe/display/intel_fb_bo.c

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 425933fb26a5..be976a90c5a6 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -278,7 +278,6 @@ i915-y += \
        display/intel_drrs.o \
        display/intel_dsb.o \
        display/intel_fb.o \
-       display/intel_fb_bo.o \
        display/intel_fb_pin.o \
        display/intel_fbc.o \
        display/intel_fdi.o \
diff --git a/drivers/gpu/drm/i915/display/intel_bo.c 
b/drivers/gpu/drm/i915/display/intel_bo.c
index e356ab4e0640..3b82d38a0504 100644
--- a/drivers/gpu/drm/i915/display/intel_bo.c
+++ b/drivers/gpu/drm/i915/display/intel_bo.c
@@ -64,3 +64,24 @@ void intel_bo_describe(struct seq_file *m, struct 
drm_gem_object *obj)
        if (display->parent->bo->describe)
                display->parent->bo->describe(m, obj);
 }
+
+int intel_bo_framebuffer_init(struct drm_gem_object *obj, struct 
drm_mode_fb_cmd2 *mode_cmd)
+{
+       struct intel_display *display = to_intel_display(obj->dev);
+
+       return display->parent->bo->framebuffer_init(obj, mode_cmd);
+}
+
+void intel_bo_framebuffer_fini(struct drm_gem_object *obj)
+{
+       struct intel_display *display = to_intel_display(obj->dev);
+
+       display->parent->bo->framebuffer_fini(obj);
+}
+
+struct drm_gem_object *intel_bo_framebuffer_lookup(struct intel_display 
*display,
+                                                  struct drm_file *filp,
+                                                  const struct 
drm_mode_fb_cmd2 *user_mode_cmd)
+{
+       return display->parent->bo->framebuffer_lookup(display->drm, filp, 
user_mode_cmd);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_bo.h 
b/drivers/gpu/drm/i915/display/intel_bo.h
index 40390ed92ceb..aec188c706c2 100644
--- a/drivers/gpu/drm/i915/display/intel_bo.h
+++ b/drivers/gpu/drm/i915/display/intel_bo.h
@@ -6,8 +6,11 @@
 
 #include <linux/types.h>
 
+struct drm_file;
 struct drm_gem_object;
+struct drm_mode_fb_cmd2;
 struct drm_scanout_buffer;
+struct intel_display;
 struct intel_framebuffer;
 struct seq_file;
 struct vm_area_struct;
@@ -22,4 +25,10 @@ int intel_bo_read_from_page(struct drm_gem_object *obj, u64 
offset, void *dst, i
 
 void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj);
 
+void intel_bo_framebuffer_fini(struct drm_gem_object *obj);
+int intel_bo_framebuffer_init(struct drm_gem_object *obj, struct 
drm_mode_fb_cmd2 *mode_cmd);
+struct drm_gem_object *intel_bo_framebuffer_lookup(struct intel_display 
*display,
+                                                  struct drm_file *filp,
+                                                  const struct 
drm_mode_fb_cmd2 *user_mode_cmd);
+
 #endif /* __INTEL_BO__ */
diff --git a/drivers/gpu/drm/i915/display/intel_fb.c 
b/drivers/gpu/drm/i915/display/intel_fb.c
index 49c6ca9d94c6..5768619f840f 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -17,7 +17,6 @@
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
 #include "intel_fb.h"
-#include "intel_fb_bo.h"
 #include "intel_frontbuffer.h"
 #include "intel_parent.h"
 #include "intel_plane.h"
@@ -2111,7 +2110,7 @@ static void intel_user_framebuffer_destroy(struct 
drm_framebuffer *fb)
        if (intel_fb_uses_dpt(fb))
                intel_parent_dpt_destroy(display, intel_fb->dpt);
 
-       intel_fb_bo_framebuffer_fini(intel_fb_bo(fb));
+       intel_bo_framebuffer_fini(intel_fb_bo(fb));
 
        intel_parent_frontbuffer_put(display, intel_fb->frontbuffer);
 
@@ -2222,7 +2221,7 @@ int intel_framebuffer_init(struct intel_framebuffer 
*intel_fb,
 
        /*
         * intel_parent_frontbuffer_get() must be done before
-        * intel_fb_bo_framebuffer_init() to avoid set_tiling vs. addfb race.
+        * intel_bo_framebuffer_init() to avoid set_tiling vs. addfb race.
         */
        intel_fb->frontbuffer = intel_parent_frontbuffer_get(display, obj);
        if (!intel_fb->frontbuffer) {
@@ -2230,7 +2229,7 @@ int intel_framebuffer_init(struct intel_framebuffer 
*intel_fb,
                goto err_free_panic;
        }
 
-       ret = intel_fb_bo_framebuffer_init(obj, mode_cmd);
+       ret = intel_bo_framebuffer_init(obj, mode_cmd);
        if (ret)
                goto err_frontbuffer_put;
 
@@ -2333,7 +2332,7 @@ int intel_framebuffer_init(struct intel_framebuffer 
*intel_fb,
        if (intel_fb_uses_dpt(fb))
                intel_parent_dpt_destroy(display, intel_fb->dpt);
 err_bo_framebuffer_fini:
-       intel_fb_bo_framebuffer_fini(obj);
+       intel_bo_framebuffer_fini(obj);
 err_frontbuffer_put:
        intel_parent_frontbuffer_put(display, intel_fb->frontbuffer);
 err_free_panic:
@@ -2348,11 +2347,12 @@ intel_user_framebuffer_create(struct drm_device *dev,
                              const struct drm_format_info *info,
                              const struct drm_mode_fb_cmd2 *user_mode_cmd)
 {
+       struct intel_display *display = to_intel_display(dev);
        struct drm_framebuffer *fb;
        struct drm_gem_object *obj;
        struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd;
 
-       obj = intel_fb_bo_lookup_valid_bo(dev, filp, &mode_cmd);
+       obj = intel_bo_framebuffer_lookup(display, filp, &mode_cmd);
        if (IS_ERR(obj))
                return ERR_CAST(obj);
 
diff --git a/drivers/gpu/drm/i915/display/intel_fb_bo.c 
b/drivers/gpu/drm/i915/display/intel_fb_bo.c
deleted file mode 100644
index a4d49ef450d9..000000000000
--- a/drivers/gpu/drm/i915/display/intel_fb_bo.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2021 Intel Corporation
- */
-
-#include <drm/drm_framebuffer.h>
-#include <drm/drm_print.h>
-
-#include "gem/i915_gem_object.h"
-
-#include "i915_drv.h"
-#include "intel_fb.h"
-#include "intel_fb_bo.h"
-
-void intel_fb_bo_framebuffer_fini(struct drm_gem_object *obj)
-{
-       /* Nothing to do for i915 */
-}
-
-int intel_fb_bo_framebuffer_init(struct drm_gem_object *_obj,
-                                struct drm_mode_fb_cmd2 *mode_cmd)
-{
-       struct drm_i915_gem_object *obj = to_intel_bo(_obj);
-       struct drm_i915_private *i915 = to_i915(obj->base.dev);
-       unsigned int tiling, stride;
-
-       i915_gem_object_lock(obj, NULL);
-       tiling = i915_gem_object_get_tiling(obj);
-       stride = i915_gem_object_get_stride(obj);
-       i915_gem_object_unlock(obj);
-
-       if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
-               /*
-                * If there's a fence, enforce that
-                * the fb modifier and tiling mode match.
-                */
-               if (tiling != I915_TILING_NONE &&
-                   tiling != 
intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
-                       drm_dbg_kms(&i915->drm,
-                                   "tiling_mode doesn't match fb modifier\n");
-                       return -EINVAL;
-               }
-       } else {
-               if (tiling == I915_TILING_X) {
-                       mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED;
-               } else if (tiling == I915_TILING_Y) {
-                       drm_dbg_kms(&i915->drm,
-                                   "No Y tiling for legacy addfb\n");
-                       return -EINVAL;
-               }
-       }
-
-       /*
-        * gen2/3 display engine uses the fence if present,
-        * so the tiling mode must match the fb modifier exactly.
-        */
-       if (GRAPHICS_VER(i915) < 4 &&
-           tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
-               drm_dbg_kms(&i915->drm,
-                           "tiling_mode must match fb modifier exactly on 
gen2/3\n");
-               return -EINVAL;
-       }
-
-       /*
-        * If there's a fence, enforce that
-        * the fb pitch and fence stride match.
-        */
-       if (tiling != I915_TILING_NONE && mode_cmd->pitches[0] != stride) {
-               drm_dbg_kms(&i915->drm,
-                           "pitch (%d) must match tiling stride (%d)\n",
-                           mode_cmd->pitches[0], stride);
-               return -EINVAL;
-       }
-
-       return 0;
-}
-
-struct drm_gem_object *
-intel_fb_bo_lookup_valid_bo(struct drm_device *drm,
-                           struct drm_file *filp,
-                           const struct drm_mode_fb_cmd2 *mode_cmd)
-{
-       struct drm_i915_private *i915 = to_i915(drm);
-       struct drm_i915_gem_object *obj;
-
-       obj = i915_gem_object_lookup(filp, mode_cmd->handles[0]);
-       if (!obj)
-               return ERR_PTR(-ENOENT);
-
-       /* object is backed with LMEM for discrete */
-       if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, 
INTEL_REGION_LMEM_0)) {
-               /* object is "remote", not in local memory */
-               i915_gem_object_put(obj);
-               drm_dbg_kms(&i915->drm, "framebuffer must reside in local 
memory\n");
-               return ERR_PTR(-EREMOTE);
-       }
-
-       return intel_bo_to_drm_bo(obj);
-}
diff --git a/drivers/gpu/drm/i915/display/intel_fb_bo.h 
b/drivers/gpu/drm/i915/display/intel_fb_bo.h
deleted file mode 100644
index d775773c6c03..000000000000
--- a/drivers/gpu/drm/i915/display/intel_fb_bo.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2021 Intel Corporation
- */
-
-#ifndef __INTEL_FB_BO_H__
-#define __INTEL_FB_BO_H__
-
-struct drm_device;
-struct drm_file;
-struct drm_framebuffer;
-struct drm_gem_object;
-struct drm_mode_fb_cmd2;
-
-void intel_fb_bo_framebuffer_fini(struct drm_gem_object *obj);
-
-int intel_fb_bo_framebuffer_init(struct drm_gem_object *obj,
-                                struct drm_mode_fb_cmd2 *mode_cmd);
-
-struct drm_gem_object *
-intel_fb_bo_lookup_valid_bo(struct drm_device *drm,
-                           struct drm_file *filp,
-                           const struct drm_mode_fb_cmd2 *user_mode_cmd);
-
-#endif
diff --git a/drivers/gpu/drm/i915/i915_bo.c b/drivers/gpu/drm/i915/i915_bo.c
index 04fc0e3b7ef6..1789f7cab05c 100644
--- a/drivers/gpu/drm/i915/i915_bo.c
+++ b/drivers/gpu/drm/i915/i915_bo.c
@@ -2,8 +2,10 @@
 /* Copyright © 2024 Intel Corporation */
 
 #include <drm/drm_panic.h>
+#include <drm/drm_print.h>
 #include <drm/intel/display_parent_interface.h>
 
+#include "display/intel_fb.h"
 #include "gem/i915_gem_mman.h"
 #include "gem/i915_gem_object.h"
 #include "gem/i915_gem_object_frontbuffer.h"
@@ -11,6 +13,7 @@
 
 #include "i915_bo.h"
 #include "i915_debugfs.h"
+#include "i915_drv.h"
 
 static bool i915_bo_is_tiled(struct drm_gem_object *obj)
 {
@@ -52,6 +55,92 @@ static void i915_bo_describe(struct seq_file *m, struct 
drm_gem_object *obj)
        i915_debugfs_describe_obj(m, to_intel_bo(obj));
 }
 
+static int i915_bo_framebuffer_init(struct drm_gem_object *_obj,
+                                   struct drm_mode_fb_cmd2 *mode_cmd)
+{
+       struct drm_i915_gem_object *obj = to_intel_bo(_obj);
+       struct drm_i915_private *i915 = to_i915(obj->base.dev);
+       unsigned int tiling, stride;
+
+       i915_gem_object_lock(obj, NULL);
+       tiling = i915_gem_object_get_tiling(obj);
+       stride = i915_gem_object_get_stride(obj);
+       i915_gem_object_unlock(obj);
+
+       if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
+               /*
+                * If there's a fence, enforce that
+                * the fb modifier and tiling mode match.
+                */
+               if (tiling != I915_TILING_NONE &&
+                   tiling != 
intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
+                       drm_dbg_kms(&i915->drm,
+                                   "tiling_mode doesn't match fb modifier\n");
+                       return -EINVAL;
+               }
+       } else {
+               if (tiling == I915_TILING_X) {
+                       mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED;
+               } else if (tiling == I915_TILING_Y) {
+                       drm_dbg_kms(&i915->drm,
+                                   "No Y tiling for legacy addfb\n");
+                       return -EINVAL;
+               }
+       }
+
+       /*
+        * gen2/3 display engine uses the fence if present,
+        * so the tiling mode must match the fb modifier exactly.
+        */
+       if (GRAPHICS_VER(i915) < 4 &&
+           tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
+               drm_dbg_kms(&i915->drm,
+                           "tiling_mode must match fb modifier exactly on 
gen2/3\n");
+               return -EINVAL;
+       }
+
+       /*
+        * If there's a fence, enforce that
+        * the fb pitch and fence stride match.
+        */
+       if (tiling != I915_TILING_NONE && mode_cmd->pitches[0] != stride) {
+               drm_dbg_kms(&i915->drm,
+                           "pitch (%d) must match tiling stride (%d)\n",
+                           mode_cmd->pitches[0], stride);
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static void i915_bo_framebuffer_fini(struct drm_gem_object *obj)
+{
+       /* Nothing to do for i915 */
+}
+
+static struct drm_gem_object *
+i915_bo_framebuffer_lookup(struct drm_device *drm,
+                          struct drm_file *filp,
+                          const struct drm_mode_fb_cmd2 *mode_cmd)
+{
+       struct drm_i915_private *i915 = to_i915(drm);
+       struct drm_i915_gem_object *obj;
+
+       obj = i915_gem_object_lookup(filp, mode_cmd->handles[0]);
+       if (!obj)
+               return ERR_PTR(-ENOENT);
+
+       /* object is backed with LMEM for discrete */
+       if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, 
INTEL_REGION_LMEM_0)) {
+               /* object is "remote", not in local memory */
+               i915_gem_object_put(obj);
+               drm_dbg_kms(&i915->drm, "framebuffer must reside in local 
memory\n");
+               return ERR_PTR(-EREMOTE);
+       }
+
+       return intel_bo_to_drm_bo(obj);
+}
+
 const struct intel_display_bo_interface i915_display_bo_interface = {
        .is_tiled = i915_bo_is_tiled,
        .is_userptr = i915_bo_is_userptr,
@@ -61,4 +150,7 @@ const struct intel_display_bo_interface 
i915_display_bo_interface = {
        .fb_mmap = i915_bo_fb_mmap,
        .read_from_page = i915_bo_read_from_page,
        .describe = i915_bo_describe,
+       .framebuffer_init = i915_bo_framebuffer_init,
+       .framebuffer_fini = i915_bo_framebuffer_fini,
+       .framebuffer_lookup = i915_bo_framebuffer_lookup,
 };
diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index b16ed1ce2a85..dab979287a96 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -211,7 +211,6 @@ $(obj)/i915-display/%.o: 
$(srctree)/drivers/gpu/drm/i915/display/%.c FORCE
 
 # Display code specific to xe
 xe-$(CONFIG_DRM_XE_DISPLAY) += \
-       display/intel_fb_bo.o \
        display/intel_fbdev_fb.o \
        display/xe_display.o \
        display/xe_display_bo.o \
diff --git a/drivers/gpu/drm/xe/display/intel_fb_bo.c 
b/drivers/gpu/drm/xe/display/intel_fb_bo.c
deleted file mode 100644
index db8b1a27b4de..000000000000
--- a/drivers/gpu/drm/xe/display/intel_fb_bo.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2021 Intel Corporation
- */
-
-#include <drm/drm_modeset_helper.h>
-#include <drm/ttm/ttm_bo.h>
-
-#include "intel_display_types.h"
-#include "intel_fb.h"
-#include "intel_fb_bo.h"
-#include "xe_bo.h"
-
-void intel_fb_bo_framebuffer_fini(struct drm_gem_object *obj)
-{
-       struct xe_bo *bo = gem_to_xe_bo(obj);
-
-       if (bo->flags & XE_BO_FLAG_PINNED) {
-               /* Unpin our kernel fb first */
-               xe_bo_lock(bo, false);
-               xe_bo_unpin(bo);
-               xe_bo_unlock(bo);
-       }
-       xe_bo_put(bo);
-}
-
-int intel_fb_bo_framebuffer_init(struct drm_gem_object *obj,
-                                struct drm_mode_fb_cmd2 *mode_cmd)
-{
-       struct xe_bo *bo = gem_to_xe_bo(obj);
-       struct xe_device *xe = to_xe_device(bo->ttm.base.dev);
-       int ret;
-
-       /*
-        * Some modifiers require physical alignment of 64KiB VRAM pages;
-        * require that the BO in those cases is created correctly.
-        */
-       if (XE_IOCTL_DBG(xe, intel_fb_needs_64k_phys(mode_cmd->modifier[0]) &&
-                            !(bo->flags & XE_BO_FLAG_NEEDS_64K)))
-               return -EINVAL;
-
-       xe_bo_get(bo);
-
-       ret = ttm_bo_reserve(&bo->ttm, true, false, NULL);
-       if (ret)
-               goto err;
-
-       if (!(bo->flags & XE_BO_FLAG_SCANOUT)) {
-               /*
-                * XE_BO_FLAG_SCANOUT should ideally be set at creation, or is
-                * automatically set when creating FB. We cannot change caching
-                * mode when the bo is VM_BINDed, so we can only set
-                * coherency with display when unbound.
-                */
-               if (XE_IOCTL_DBG(xe, xe_bo_is_vm_bound(bo))) {
-                       ttm_bo_unreserve(&bo->ttm);
-                       ret = -EINVAL;
-                       goto err;
-               }
-               bo->flags |= XE_BO_FLAG_SCANOUT;
-       }
-       ttm_bo_unreserve(&bo->ttm);
-       return 0;
-
-err:
-       xe_bo_put(bo);
-       return ret;
-}
-
-struct drm_gem_object *intel_fb_bo_lookup_valid_bo(struct drm_device *drm,
-                                                  struct drm_file *filp,
-                                                  const struct 
drm_mode_fb_cmd2 *mode_cmd)
-{
-       struct xe_device *xe = to_xe_device(drm);
-       struct xe_bo *bo;
-       struct drm_gem_object *gem = drm_gem_object_lookup(filp, 
mode_cmd->handles[0]);
-
-       if (!gem)
-               return ERR_PTR(-ENOENT);
-
-       bo = gem_to_xe_bo(gem);
-       /* Require vram placement or dma-buf import */
-       if (IS_DGFX(xe) &&
-           !xe_bo_can_migrate(bo, XE_PL_VRAM0) &&
-           bo->ttm.type != ttm_bo_type_sg) {
-               drm_gem_object_put(gem);
-               return ERR_PTR(-EREMOTE);
-       }
-
-       return gem;
-}
diff --git a/drivers/gpu/drm/xe/display/xe_display_bo.c 
b/drivers/gpu/drm/xe/display/xe_display_bo.c
index a53ba3f247ec..a689f71e7b14 100644
--- a/drivers/gpu/drm/xe/display/xe_display_bo.c
+++ b/drivers/gpu/drm/xe/display/xe_display_bo.c
@@ -4,6 +4,7 @@
 #include <drm/drm_gem.h>
 #include <drm/intel/display_parent_interface.h>
 
+#include "intel_fb.h"
 #include "xe_bo.h"
 #include "xe_display_bo.h"
 #include "xe_pxp.h"
@@ -20,9 +21,92 @@ static int xe_display_bo_read_from_page(struct 
drm_gem_object *obj, u64 offset,
        return xe_bo_read(bo, offset, dst, size);
 }
 
+static int xe_display_bo_framebuffer_init(struct drm_gem_object *obj,
+                                         struct drm_mode_fb_cmd2 *mode_cmd)
+{
+       struct xe_bo *bo = gem_to_xe_bo(obj);
+       struct xe_device *xe = to_xe_device(bo->ttm.base.dev);
+       int ret;
+
+       /*
+        * Some modifiers require physical alignment of 64KiB VRAM pages;
+        * require that the BO in those cases is created correctly.
+        */
+       if (XE_IOCTL_DBG(xe, intel_fb_needs_64k_phys(mode_cmd->modifier[0]) &&
+                            !(bo->flags & XE_BO_FLAG_NEEDS_64K)))
+               return -EINVAL;
+
+       xe_bo_get(bo);
+
+       ret = ttm_bo_reserve(&bo->ttm, true, false, NULL);
+       if (ret)
+               goto err;
+
+       if (!(bo->flags & XE_BO_FLAG_SCANOUT)) {
+               /*
+                * XE_BO_FLAG_SCANOUT should ideally be set at creation, or is
+                * automatically set when creating FB. We cannot change caching
+                * mode when the bo is VM_BINDed, so we can only set
+                * coherency with display when unbound.
+                */
+               if (XE_IOCTL_DBG(xe, xe_bo_is_vm_bound(bo))) {
+                       ttm_bo_unreserve(&bo->ttm);
+                       ret = -EINVAL;
+                       goto err;
+               }
+               bo->flags |= XE_BO_FLAG_SCANOUT;
+       }
+       ttm_bo_unreserve(&bo->ttm);
+       return 0;
+
+err:
+       xe_bo_put(bo);
+       return ret;
+}
+
+static void xe_display_bo_framebuffer_fini(struct drm_gem_object *obj)
+{
+       struct xe_bo *bo = gem_to_xe_bo(obj);
+
+       if (bo->flags & XE_BO_FLAG_PINNED) {
+               /* Unpin our kernel fb first */
+               xe_bo_lock(bo, false);
+               xe_bo_unpin(bo);
+               xe_bo_unlock(bo);
+       }
+       xe_bo_put(bo);
+}
+
+static struct drm_gem_object *
+xe_display_bo_framebuffer_lookup(struct drm_device *drm,
+                                struct drm_file *filp,
+                                const struct drm_mode_fb_cmd2 *mode_cmd)
+{
+       struct xe_device *xe = to_xe_device(drm);
+       struct xe_bo *bo;
+       struct drm_gem_object *gem = drm_gem_object_lookup(filp, 
mode_cmd->handles[0]);
+
+       if (!gem)
+               return ERR_PTR(-ENOENT);
+
+       bo = gem_to_xe_bo(gem);
+       /* Require vram placement or dma-buf import */
+       if (IS_DGFX(xe) &&
+           !xe_bo_can_migrate(bo, XE_PL_VRAM0) &&
+           bo->ttm.type != ttm_bo_type_sg) {
+               drm_gem_object_put(gem);
+               return ERR_PTR(-EREMOTE);
+       }
+
+       return gem;
+}
+
 const struct intel_display_bo_interface xe_display_bo_interface = {
        .is_protected = xe_display_bo_is_protected,
        .key_check = xe_pxp_obj_key_check,
        .fb_mmap = drm_gem_prime_mmap,
        .read_from_page = xe_display_bo_read_from_page,
+       .framebuffer_init = xe_display_bo_framebuffer_init,
+       .framebuffer_fini = xe_display_bo_framebuffer_fini,
+       .framebuffer_lookup = xe_display_bo_framebuffer_lookup,
 };
diff --git a/include/drm/intel/display_parent_interface.h 
b/include/drm/intel/display_parent_interface.h
index 2b53d12b0e0a..97ec94a2e749 100644
--- a/include/drm/intel/display_parent_interface.h
+++ b/include/drm/intel/display_parent_interface.h
@@ -12,6 +12,7 @@ struct drm_device;
 struct drm_file;
 struct drm_framebuffer;
 struct drm_gem_object;
+struct drm_mode_fb_cmd2;
 struct drm_plane_state;
 struct drm_scanout_buffer;
 struct i915_vma;
@@ -37,6 +38,11 @@ struct intel_display_bo_interface {
        int (*fb_mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma);
        int (*read_from_page)(struct drm_gem_object *obj, u64 offset, void 
*dst, int size);
        void (*describe)(struct seq_file *m, struct drm_gem_object *obj); /* 
Optional */
+       int (*framebuffer_init)(struct drm_gem_object *obj, struct 
drm_mode_fb_cmd2 *mode_cmd);
+       void (*framebuffer_fini)(struct drm_gem_object *obj);
+       struct drm_gem_object *(*framebuffer_lookup)(struct drm_device *drm,
+                                                    struct drm_file *filp,
+                                                    const struct 
drm_mode_fb_cmd2 *user_mode_cmd);
 };
 
 struct intel_display_dpt_interface {
-- 
2.47.3

Reply via email to