[mutter] crtc-mode-kms: Wrap MetaKmsMode instead of drmModeModeInfo



commit abac217617a10ed1d3da7b79a68a720d2d97c867
Author: Jonas Ã…dahl <jadahl gmail com>
Date:   Thu Jul 2 15:47:32 2020 +0200

    crtc-mode-kms: Wrap MetaKmsMode instead of drmModeModeInfo
    
    We'll need to use the MetaKmsMode later on for state keeping.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1488>

 src/backends/native/meta-crtc-kms.c      |  5 ++-
 src/backends/native/meta-crtc-mode-kms.c | 29 +++++---------
 src/backends/native/meta-crtc-mode-kms.h |  7 ++--
 src/backends/native/meta-gpu-kms.c       | 69 ++++++--------------------------
 src/backends/native/meta-gpu-kms.h       |  4 +-
 src/backends/native/meta-kms-mode.c      | 48 ++++++++++++++++++++++
 src/backends/native/meta-kms-mode.h      |  5 +++
 src/backends/native/meta-output-kms.c    |  8 ++--
 8 files changed, 89 insertions(+), 86 deletions(-)
---
diff --git a/src/backends/native/meta-crtc-kms.c b/src/backends/native/meta-crtc-kms.c
index 385e828ccf..02da381365 100644
--- a/src/backends/native/meta-crtc-kms.c
+++ b/src/backends/native/meta-crtc-kms.c
@@ -30,6 +30,7 @@
 #include "backends/native/meta-gpu-kms.h"
 #include "backends/native/meta-output-kms.h"
 #include "backends/native/meta-kms-device.h"
+#include "backends/native/meta-kms-mode.h"
 #include "backends/native/meta-kms-plane.h"
 #include "backends/native/meta-kms-update.h"
 
@@ -183,8 +184,10 @@ meta_crtc_kms_set_mode (MetaCrtcKms   *crtc_kms,
     {
       const MetaCrtcConfig *crtc_config = meta_crtc_get_config (crtc);
       MetaCrtcModeKms *crtc_mode_kms = META_CRTC_MODE_KMS (crtc_config->mode);
+      MetaKmsMode *kms_mode;
 
-      mode = meta_crtc_mode_kms_get_drm_mode (crtc_mode_kms);
+      kms_mode = meta_crtc_mode_kms_get_kms_mode (crtc_mode_kms);
+      mode = meta_kms_mode_get_drm_mode (kms_mode);
 
       g_debug ("Setting CRTC (%" G_GUINT64_FORMAT ") mode to %s",
                meta_crtc_get_id (crtc), mode->name);
diff --git a/src/backends/native/meta-crtc-mode-kms.c b/src/backends/native/meta-crtc-mode-kms.c
index 8e2cec2ab1..6f190edc4a 100644
--- a/src/backends/native/meta-crtc-mode-kms.c
+++ b/src/backends/native/meta-crtc-mode-kms.c
@@ -21,28 +21,30 @@
 
 #include "backends/native/meta-crtc-mode-kms.h"
 
+#include "backends/native/meta-kms-mode.h"
 #include "backends/native/meta-kms-utils.h"
 
 struct _MetaCrtcModeKms
 {
   MetaCrtcMode parent;
 
-  drmModeModeInfo *drm_mode;
+  MetaKmsMode *kms_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)
+MetaKmsMode *
+meta_crtc_mode_kms_get_kms_mode (MetaCrtcModeKms *mode_kms)
 {
-  return mode_kms->drm_mode;
+  return mode_kms->kms_mode;
 }
 
 MetaCrtcModeKms *
-meta_crtc_mode_kms_new (const drmModeModeInfo *drm_mode,
-                        uint64_t               id)
+meta_crtc_mode_kms_new (MetaKmsMode *kms_mode,
+                        uint64_t     id)
 {
+  const drmModeModeInfo *drm_mode = meta_kms_mode_get_drm_mode (kms_mode);
   g_autoptr (MetaCrtcModeInfo) crtc_mode_info = NULL;
   g_autofree char *crtc_mode_name = NULL;
   MetaCrtcModeKms *mode_kms;
@@ -61,21 +63,11 @@ meta_crtc_mode_kms_new (const drmModeModeInfo *drm_mode,
                            "info", crtc_mode_info,
                            NULL);
 
-  mode_kms->drm_mode = g_slice_dup (drmModeModeInfo, drm_mode);
+  mode_kms->kms_mode = kms_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)
 {
@@ -84,7 +76,4 @@ 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;
 }
diff --git a/src/backends/native/meta-crtc-mode-kms.h b/src/backends/native/meta-crtc-mode-kms.h
index 220340add0..f392686124 100644
--- a/src/backends/native/meta-crtc-mode-kms.h
+++ b/src/backends/native/meta-crtc-mode-kms.h
@@ -24,15 +24,16 @@
 #include <xf86drmMode.h>
 
 #include "backends/meta-crtc-mode.h"
+#include "backends/native/meta-kms-types.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);
+MetaKmsMode * meta_crtc_mode_kms_get_kms_mode (MetaCrtcModeKms *mode_kms);
 
-MetaCrtcModeKms * meta_crtc_mode_kms_new (const drmModeModeInfo *drm_mode,
-                                          uint64_t               id);
+MetaCrtcModeKms * meta_crtc_mode_kms_new (MetaKmsMode *kms_mode,
+                                          uint64_t     id);
 
 #endif /* META_CRTC_MODE_KMS_H */
diff --git a/src/backends/native/meta-gpu-kms.c b/src/backends/native/meta-gpu-kms.c
index 9a76803d37..f156cb0561 100644
--- a/src/backends/native/meta-gpu-kms.c
+++ b/src/backends/native/meta-gpu-kms.c
@@ -286,50 +286,9 @@ compare_outputs (gconstpointer one,
   return strcmp (output_info_one->name, output_info_two->name);
 }
 
-gboolean
-meta_drm_mode_equal (const drmModeModeInfo *one,
-                     const drmModeModeInfo *two)
-{
-  return (one->clock == two->clock &&
-          one->hdisplay == two->hdisplay &&
-          one->hsync_start == two->hsync_start &&
-          one->hsync_end == two->hsync_end &&
-          one->htotal == two->htotal &&
-          one->hskew == two->hskew &&
-          one->vdisplay == two->vdisplay &&
-          one->vsync_start == two->vsync_start &&
-          one->vsync_end == two->vsync_end &&
-          one->vtotal == two->vtotal &&
-          one->vscan == two->vscan &&
-          one->vrefresh == two->vrefresh &&
-          one->flags == two->flags &&
-          one->type == two->type &&
-          strncmp (one->name, two->name, DRM_DISPLAY_MODE_LEN) == 0);
-}
-
-static guint
-drm_mode_hash (gconstpointer ptr)
-{
-  const drmModeModeInfo *mode = ptr;
-  guint hash = 0;
-
-  /*
-   * We don't include the name in the hash because it's generally
-   * derived from the other fields (hdisplay, vdisplay and flags)
-   */
-
-  hash ^= mode->clock;
-  hash ^= mode->hdisplay ^ mode->hsync_start ^ mode->hsync_end;
-  hash ^= mode->vdisplay ^ mode->vsync_start ^ mode->vsync_end;
-  hash ^= mode->vrefresh;
-  hash ^= mode->flags ^ mode->type;
-
-  return hash;
-}
-
 MetaCrtcMode *
-meta_gpu_kms_get_mode_from_drm_mode (MetaGpuKms            *gpu_kms,
-                                     const drmModeModeInfo *drm_mode)
+meta_gpu_kms_get_mode_from_kms_mode (MetaGpuKms  *gpu_kms,
+                                     MetaKmsMode *kms_mode)
 {
   MetaGpu *gpu = META_GPU (gpu_kms);
   GList *l;
@@ -338,8 +297,8 @@ meta_gpu_kms_get_mode_from_drm_mode (MetaGpuKms            *gpu_kms,
     {
       MetaCrtcModeKms *crtc_mode_kms = l->data;
 
-      if (meta_drm_mode_equal (drm_mode,
-                               meta_crtc_mode_kms_get_drm_mode (crtc_mode_kms)))
+      if (meta_kms_mode_equal (kms_mode,
+                               meta_crtc_mode_kms_get_kms_mode (crtc_mode_kms)))
         return META_CRTC_MODE (crtc_mode_kms);
     }
 
@@ -398,14 +357,15 @@ init_modes (MetaGpuKms *gpu_kms)
   GList *l;
   GList *modes;
   GHashTableIter iter;
-  drmModeModeInfo *drm_mode;
+  gpointer value;
   uint64_t mode_id;
 
   /*
    * Gather all modes on all connected connectors.
    */
-  modes_table = g_hash_table_new (drm_mode_hash, (GEqualFunc) meta_drm_mode_equal);
-  for (l = meta_kms_device_get_connectors (gpu_kms->kms_device); l; l = l->next)
+  modes_table = g_hash_table_new ((GHashFunc) meta_kms_mode_hash,
+                                  (GEqualFunc) meta_kms_mode_equal);
+  for (l = meta_kms_device_get_connectors (kms_device); l; l = l->next)
     {
       MetaKmsConnector *kms_connector = l->data;
       const MetaKmsConnectorState *state;
@@ -418,31 +378,28 @@ init_modes (MetaGpuKms *gpu_kms)
       for (l_mode = state->modes; l_mode; l_mode = l_mode->next)
         {
           MetaKmsMode *kms_mode = l_mode->data;
-          const drmModeModeInfo *drm_mode =
-            meta_kms_mode_get_drm_mode (kms_mode);
 
-          g_hash_table_add (modes_table, (drmModeModeInfo *) drm_mode);
+          g_hash_table_add (modes_table, kms_mode);
         }
     }
 
   for (l = meta_kms_device_get_fallback_modes (kms_device); l; l = l->next)
     {
       MetaKmsMode *fallback_mode = l->data;
-      const drmModeModeInfo *drm_mode;
 
-      drm_mode = meta_kms_mode_get_drm_mode (fallback_mode);
-      g_hash_table_add (modes_table, (drmModeModeInfo *) drm_mode);
+      g_hash_table_add (modes_table, fallback_mode);
     }
 
   modes = NULL;
 
   g_hash_table_iter_init (&iter, modes_table);
   mode_id = 0;
-  while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &drm_mode))
+  while (g_hash_table_iter_next (&iter, NULL, &value))
     {
+      MetaKmsMode *kms_mode = value;
       MetaCrtcModeKms *mode;
 
-      mode = meta_crtc_mode_kms_new (drm_mode, mode_id);
+      mode = meta_crtc_mode_kms_new (kms_mode, mode_id);
       modes = g_list_append (modes, mode);
 
       mode_id++;
diff --git a/src/backends/native/meta-gpu-kms.h b/src/backends/native/meta-gpu-kms.h
index 9ca4d254a2..77aac47ec7 100644
--- a/src/backends/native/meta-gpu-kms.h
+++ b/src/backends/native/meta-gpu-kms.h
@@ -63,8 +63,8 @@ void meta_gpu_kms_set_power_save_mode (MetaGpuKms    *gpu_kms,
                                        uint64_t       state,
                                        MetaKmsUpdate *kms_update);
 
-MetaCrtcMode * meta_gpu_kms_get_mode_from_drm_mode (MetaGpuKms            *gpu_kms,
-                                                    const drmModeModeInfo *drm_mode);
+MetaCrtcMode * meta_gpu_kms_get_mode_from_kms_mode (MetaGpuKms  *gpu_kms,
+                                                    MetaKmsMode *kms_mode);
 
 gboolean meta_drm_mode_equal (const drmModeModeInfo *one,
                               const drmModeModeInfo *two);
diff --git a/src/backends/native/meta-kms-mode.c b/src/backends/native/meta-kms-mode.c
index 8b61e1f60b..cc726cff24 100644
--- a/src/backends/native/meta-kms-mode.c
+++ b/src/backends/native/meta-kms-mode.c
@@ -73,6 +73,54 @@ meta_kms_mode_get_drm_mode (MetaKmsMode *mode)
   return &mode->drm_mode;
 }
 
+static gboolean
+meta_drm_mode_equal (const drmModeModeInfo *one,
+                     const drmModeModeInfo *two)
+{
+  return (one->clock == two->clock &&
+          one->hdisplay == two->hdisplay &&
+          one->hsync_start == two->hsync_start &&
+          one->hsync_end == two->hsync_end &&
+          one->htotal == two->htotal &&
+          one->hskew == two->hskew &&
+          one->vdisplay == two->vdisplay &&
+          one->vsync_start == two->vsync_start &&
+          one->vsync_end == two->vsync_end &&
+          one->vtotal == two->vtotal &&
+          one->vscan == two->vscan &&
+          one->vrefresh == two->vrefresh &&
+          one->flags == two->flags &&
+          one->type == two->type &&
+          strncmp (one->name, two->name, DRM_DISPLAY_MODE_LEN) == 0);
+}
+
+gboolean
+meta_kms_mode_equal (MetaKmsMode *mode,
+                     MetaKmsMode *other_mode)
+{
+  return meta_drm_mode_equal (&mode->drm_mode, &other_mode->drm_mode);
+}
+
+unsigned int
+meta_kms_mode_hash (MetaKmsMode *mode)
+{
+  const drmModeModeInfo *drm_mode = &mode->drm_mode;
+  unsigned int hash = 0;
+
+  /*
+   * We don't include the name in the hash because it's generally
+   * derived from the other fields (hdisplay, vdisplay and flags)
+   */
+
+  hash ^= drm_mode->clock;
+  hash ^= drm_mode->hdisplay ^ drm_mode->hsync_start ^ drm_mode->hsync_end;
+  hash ^= drm_mode->vdisplay ^ drm_mode->vsync_start ^ drm_mode->vsync_end;
+  hash ^= drm_mode->vrefresh;
+  hash ^= drm_mode->flags ^ drm_mode->type;
+
+  return hash;
+}
+
 void
 meta_kms_mode_free (MetaKmsMode *mode)
 {
diff --git a/src/backends/native/meta-kms-mode.h b/src/backends/native/meta-kms-mode.h
index 007638a593..40e844796a 100644
--- a/src/backends/native/meta-kms-mode.h
+++ b/src/backends/native/meta-kms-mode.h
@@ -39,4 +39,9 @@ MetaKmsModeFlag meta_kms_mode_get_flags (MetaKmsMode *mode);
 
 const drmModeModeInfo * meta_kms_mode_get_drm_mode (MetaKmsMode *mode);
 
+gboolean meta_kms_mode_equal (MetaKmsMode *mode,
+                              MetaKmsMode *other_mode);
+
+unsigned int meta_kms_mode_hash (MetaKmsMode *mode);
+
 #endif /* META_KMS_MODE_H */
diff --git a/src/backends/native/meta-output-kms.c b/src/backends/native/meta-output-kms.c
index d581b79fd6..57e34bb245 100644
--- a/src/backends/native/meta-output-kms.c
+++ b/src/backends/native/meta-output-kms.c
@@ -143,7 +143,6 @@ static void
 add_common_modes (MetaOutputInfo *output_info,
                   MetaGpuKms     *gpu_kms)
 {
-  const drmModeModeInfo *drm_mode;
   MetaCrtcMode *crtc_mode;
   GPtrArray *array;
   float refresh_rate;
@@ -159,8 +158,9 @@ add_common_modes (MetaOutputInfo *output_info,
     {
       MetaCrtcMode *crtc_mode = output_info->modes[i];
       MetaCrtcModeKms *crtc_mode_kms = META_CRTC_MODE_KMS (crtc_mode);
+      MetaKmsMode *kms_mode = meta_crtc_mode_kms_get_kms_mode (crtc_mode_kms);
+      const drmModeModeInfo *drm_mode = meta_kms_mode_get_drm_mode (kms_mode);
 
-      drm_mode = meta_crtc_mode_kms_get_drm_mode (crtc_mode_kms);
       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);
@@ -194,7 +194,7 @@ add_common_modes (MetaOutputInfo *output_info,
           refresh_rate > max_refresh_rate)
         continue;
 
-      crtc_mode = meta_gpu_kms_get_mode_from_drm_mode (gpu_kms, drm_mode);
+      crtc_mode = meta_gpu_kms_get_mode_from_kms_mode (gpu_kms, fallback_mode);
       g_ptr_array_add (array, crtc_mode);
     }
 
@@ -252,7 +252,7 @@ init_output_modes (MetaOutputInfo    *output_info,
       const drmModeModeInfo *drm_mode = meta_kms_mode_get_drm_mode (kms_mode);
       MetaCrtcMode *crtc_mode;
 
-      crtc_mode = meta_gpu_kms_get_mode_from_drm_mode (gpu_kms, drm_mode);
+      crtc_mode = meta_gpu_kms_get_mode_from_kms_mode (gpu_kms, kms_mode);
       output_info->modes[i] = crtc_mode;
       if (drm_mode->type & DRM_MODE_TYPE_PREFERRED)
         output_info->preferred_mode = output_info->modes[i];


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