Revert "crtc-kms: Make KMS CRTC mode a type inheriting MetaCrtcMode"

This reverts commit 09078762a, which breaks Mutter.

src/backends/meta-crtc-mode.c

@@ -152,6 +152,9 @@ meta_crtc_mode_finalize (GObject *object)
   MetaCrtcMode *crtc_mode = META_CRTC_MODE (object);
   MetaCrtcModePrivate *priv = meta_crtc_mode_get_instance_private (crtc_mode);
 
+  if (crtc_mode->driver_notify)
+    crtc_mode->driver_notify (crtc_mode);
+
   g_clear_pointer (&priv->name, g_free);
   g_clear_pointer (&priv->info, meta_crtc_mode_info_unref);
 

src/backends/meta-crtc-mode.h

@@ -57,17 +57,20 @@ typedef struct _MetaCrtcModeInfo
   MetaCrtcModeFlag flags;
 } MetaCrtcModeInfo;
 
+struct _MetaCrtcMode
+{
+  GObject parent;
+
+  gpointer driver_private;
+  GDestroyNotify driver_notify;
+};
+
 #define META_TYPE_CRTC_MODE (meta_crtc_mode_get_type ())
 META_EXPORT_TEST
-G_DECLARE_DERIVABLE_TYPE (MetaCrtcMode, meta_crtc_mode,
+G_DECLARE_FINAL_TYPE (MetaCrtcMode, meta_crtc_mode,
                       META, CRTC_MODE,
                       GObject)
 
-struct _MetaCrtcModeClass
-{
-  GObjectClass parent_class;
-};
-
 #define META_TYPE_CRTC_MODE_INFO (meta_crtc_mode_info_get_type ())
 GType meta_crtc_mode_info_get_type (void);
 

src/backends/native/meta-crtc-kms.c

@@ -26,7 +26,6 @@
 
 #include "backends/meta-backend-private.h"
 #include "backends/meta-logical-monitor.h"
-#include "backends/native/meta-crtc-mode-kms.h"
 #include "backends/native/meta-gpu-kms.h"
 #include "backends/native/meta-output-kms.h"
 #include "backends/native/meta-kms-device.h"
@@ -173,16 +172,15 @@ meta_crtc_kms_set_mode (MetaCrtcKms   *crtc_kms,
   MetaCrtc *crtc = META_CRTC (crtc_kms);
   MetaGpu *gpu = meta_crtc_get_gpu (crtc);
   GList *connectors;
-  const drmModeModeInfo *mode;
+  drmModeModeInfo *mode;
 
   connectors = generate_crtc_connector_list (gpu, crtc);
 
   if (connectors)
     {
       const MetaCrtcConfig *crtc_config = meta_crtc_get_config (crtc);
-      MetaCrtcModeKms *crtc_mode_kms = META_CRTC_MODE_KMS (crtc_config->mode);
 
-      mode = meta_crtc_mode_kms_get_drm_mode (crtc_mode_kms);
+      mode = crtc_config->mode->driver_private;
 
       g_debug ("Setting CRTC (%ld) mode to %s",
                meta_crtc_get_id (crtc), mode->name);

src/backends/native/meta-crtc-mode-kms.c

@@ -1,88 +0,0 @@
-/*
- * Copyright (C) 2017-2020 Red Hat
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
-
-#include "config.h"
-
-#include "backends/native/meta-crtc-mode-kms.h"
-
-#include "backends/native/meta-kms-utils.h"
-
-struct _MetaCrtcModeKms
-{
-  drmModeModeInfo *drm_mode;
-};
-
-G_DEFINE_TYPE (MetaCrtcModeKms, meta_crtc_mode_kms,
-               META_TYPE_CRTC_MODE)
-
-const drmModeModeInfo *
-meta_crtc_mode_kms_get_drm_mode (MetaCrtcModeKms *mode_kms)
-{
-  return mode_kms->drm_mode;
-}
-
-MetaCrtcModeKms *
-meta_crtc_mode_kms_new (const drmModeModeInfo *drm_mode,
-                        uint64_t               id)
-{
-  g_autoptr (MetaCrtcModeInfo) crtc_mode_info = NULL;
-  g_autofree char *crtc_mode_name = NULL;
-  MetaCrtcModeKms *mode_kms;
-
-  crtc_mode_info = meta_crtc_mode_info_new ();
-  crtc_mode_info->width = drm_mode->hdisplay;
-  crtc_mode_info->height = drm_mode->vdisplay;
-  crtc_mode_info->flags = drm_mode->flags;
-  crtc_mode_info->refresh_rate =
-    meta_calculate_drm_mode_refresh_rate (drm_mode);
-
-  crtc_mode_name = g_strndup (drm_mode->name, DRM_DISPLAY_MODE_LEN);
-  mode_kms = g_object_new (META_TYPE_CRTC_MODE_KMS,
-                           "id", id,
-                           "name", crtc_mode_name,
-                           "info", crtc_mode_info,
-                           NULL);
-
-  mode_kms->drm_mode = g_slice_dup (drmModeModeInfo, drm_mode);
-
-  return mode_kms;
-}
-
-static void
-meta_crtc_mode_kms_finalize (GObject *object)
-{
-  MetaCrtcModeKms *mode_kms = META_CRTC_MODE_KMS (object);
-
-  g_slice_free (drmModeModeInfo, mode_kms->drm_mode);
-
-  G_OBJECT_CLASS (meta_crtc_mode_kms_parent_class)->finalize (object);
-}
-
-static void
-meta_crtc_mode_kms_init (MetaCrtcModeKms *mode_kms)
-{
-}
-
-static void
-meta_crtc_mode_kms_class_init (MetaCrtcModeKmsClass *klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->finalize = meta_crtc_mode_kms_finalize;
-}

src/backends/native/meta-crtc-mode-kms.h

@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2017-2020 Red Hat
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
-
-#ifndef META_CRTC_MODE_KMS_H
-#define META_CRTC_MODE_KMS_H
-
-#include <xf86drm.h>
-#include <xf86drmMode.h>
-
-#include "backends/meta-crtc-mode.h"
-
-#define META_TYPE_CRTC_MODE_KMS (meta_crtc_mode_kms_get_type ())
-G_DECLARE_FINAL_TYPE (MetaCrtcModeKms, meta_crtc_mode_kms,
-                      META, CRTC_MODE_KMS,
-                      MetaCrtcMode)
-
-const drmModeModeInfo * meta_crtc_mode_kms_get_drm_mode (MetaCrtcModeKms *crtc_mode_kms);
-
-MetaCrtcModeKms * meta_crtc_mode_kms_new (const drmModeModeInfo *drm_mode,
-                                          uint64_t               id);
-
-#endif /* META_CRTC_MODE_KMS_H */

src/backends/native/meta-gpu-kms.c

@@ -38,7 +38,6 @@
 #include "backends/meta-output.h"
 #include "backends/native/meta-backend-native.h"
 #include "backends/native/meta-crtc-kms.h"
-#include "backends/native/meta-crtc-mode-kms.h"
 #include "backends/native/meta-kms-connector.h"
 #include "backends/native/meta-kms-device.h"
 #include "backends/native/meta-kms-update.h"
@@ -274,6 +273,12 @@ compare_outputs (gconstpointer one,
   return strcmp (output_info_one->name, output_info_two->name);
 }
 
+static void
+meta_crtc_mode_destroy_notify (MetaCrtcMode *mode)
+{
+  g_slice_free (drmModeModeInfo, mode->driver_private);
+}
+
 gboolean
 meta_drm_mode_equal (const drmModeModeInfo *one,
                      const drmModeModeInfo *two)
@@ -324,11 +329,10 @@ meta_gpu_kms_get_mode_from_drm_mode (MetaGpuKms            *gpu_kms,
 
   for (l = meta_gpu_get_modes (gpu); l; l = l->next)
     {
-      MetaCrtcModeKms *crtc_mode_kms = l->data;
+      MetaCrtcMode *mode = l->data;
 
-      if (meta_drm_mode_equal (drm_mode,
-                               meta_crtc_mode_kms_get_drm_mode (crtc_mode_kms)))
-        return META_CRTC_MODE (crtc_mode_kms);
+      if (meta_drm_mode_equal (drm_mode, mode->driver_private))
+        return mode;
     }
 
   g_assert_not_reached ();
@@ -357,6 +361,9 @@ create_mode (const drmModeModeInfo *drm_mode,
                        "info", crtc_mode_info,
                        NULL);
 
+  mode->driver_private = g_slice_dup (drmModeModeInfo, drm_mode);
+  mode->driver_notify = (GDestroyNotify) meta_crtc_mode_destroy_notify;
+
   return mode;
 }
 

src/backends/native/meta-kms-update.c

@@ -211,7 +211,7 @@ void
 meta_kms_update_mode_set (MetaKmsUpdate   *update,
                           MetaKmsCrtc     *crtc,
                           GList           *connectors,
-                          const drmModeModeInfo *drm_mode)
+                          drmModeModeInfo *drm_mode)
 {
   MetaKmsModeSet *mode_set;
 

src/backends/native/meta-kms-update.h

@@ -82,7 +82,7 @@ void meta_kms_update_free (MetaKmsUpdate *update);
 void meta_kms_update_mode_set (MetaKmsUpdate   *update,
                                MetaKmsCrtc     *crtc,
                                GList           *connectors,
-                               const drmModeModeInfo *drm_mode);
+                               drmModeModeInfo *drm_mode);
 
 MetaKmsPlaneAssignment * meta_kms_update_assign_plane (MetaKmsUpdate          *update,
                                                        MetaKmsCrtc            *crtc,

src/backends/native/meta-output-kms.c

@@ -32,7 +32,6 @@
 #include "backends/native/meta-kms-connector.h"
 #include "backends/native/meta-kms-utils.h"
 #include "backends/native/meta-crtc-kms.h"
-#include "backends/native/meta-crtc-mode-kms.h"
 
 #include "meta-default-modes.h"
 
@@ -154,10 +153,7 @@ add_common_modes (MetaOutputInfo *output_info,
 
   for (i = 0; i < output_info->n_modes; i++)
     {
-      MetaCrtcMode *crtc_mode = output_info->modes[i];
-      MetaCrtcModeKms *crtc_mode_kms = META_CRTC_MODE_KMS (crtc_mode);
-
-      drm_mode = meta_crtc_mode_kms_get_drm_mode (crtc_mode_kms);
+      drm_mode = output_info->modes[i]->driver_private;
       refresh_rate = meta_calculate_drm_mode_refresh_rate (drm_mode);
       max_hdisplay = MAX (max_hdisplay, drm_mode->hdisplay);
       max_vdisplay = MAX (max_vdisplay, drm_mode->vdisplay);

src/meson.build

@@ -632,8 +632,6 @@ if have_native_backend
     'backends/native/meta-clutter-backend-native.h',
     'backends/native/meta-crtc-kms.c',
     'backends/native/meta-crtc-kms.h',
-    'backends/native/meta-crtc-mode-kms.c',
-    'backends/native/meta-crtc-mode-kms.h',
     'backends/native/meta-cursor-renderer-native.c',
     'backends/native/meta-cursor-renderer-native.h',
     'backends/native/meta-drm-buffer-dumb.c',