mutter/SOURCES/0001-renderer-native-Queue-fail-safe-callbacks-when-mode-.patch

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2023-06-28 15:00:54 +00:00
From 66e2e438b8796351a72bfec2024ee41bbde77780 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Thu, 6 Apr 2023 18:40:41 +0200
Subject: [PATCH] renderer-native: Queue fail safe callbacks when mode set
failed
This allows to recover, e.g. Ctrl-Alt-F# and using any other monitor
that managed to turn on.
---
src/backends/native/meta-crtc-kms.c | 19 ++++++++++
src/backends/native/meta-crtc-kms.h | 5 +++
src/backends/native/meta-gpu-kms.c | 10 +++++
src/backends/native/meta-renderer-native.c | 43 ++++++++++++++++++++++
4 files changed, 77 insertions(+)
diff --git a/src/backends/native/meta-crtc-kms.c b/src/backends/native/meta-crtc-kms.c
index 8374376d5..44f271eb5 100644
--- a/src/backends/native/meta-crtc-kms.c
+++ b/src/backends/native/meta-crtc-kms.c
@@ -52,6 +52,8 @@ typedef struct _MetaCrtcKms
* value: owned GArray* (uint64_t modifier), or NULL
*/
GHashTable *formats_modifiers;
+
+ gboolean is_active;
} MetaCrtcKms;
/**
@@ -540,3 +542,20 @@ meta_create_kms_crtc (MetaGpuKms *gpu_kms,
return crtc;
}
+
+void
+meta_crtc_kms_set_active (MetaCrtc *crtc,
+ gboolean is_active)
+{
+ MetaCrtcKms *crtc_kms = crtc->driver_private;
+
+ crtc_kms->is_active = is_active;
+}
+
+gboolean
+meta_crtc_kms_is_active (MetaCrtc *crtc)
+{
+ MetaCrtcKms *crtc_kms = crtc->driver_private;
+
+ return crtc_kms->is_active;
+}
diff --git a/src/backends/native/meta-crtc-kms.h b/src/backends/native/meta-crtc-kms.h
index 456f4400a..666aebcaf 100644
--- a/src/backends/native/meta-crtc-kms.h
+++ b/src/backends/native/meta-crtc-kms.h
@@ -58,4 +58,9 @@ MetaCrtc * meta_create_kms_crtc (MetaGpuKms *gpu_kms,
drmModeCrtc *drm_crtc,
unsigned int crtc_index);
+void meta_crtc_kms_set_active (MetaCrtc *crtc,
+ gboolean is_active);
+
+gboolean meta_crtc_kms_is_active (MetaCrtc *crtc);
+
#endif /* META_CRTC_KMS_H */
diff --git a/src/backends/native/meta-gpu-kms.c b/src/backends/native/meta-gpu-kms.c
index dc93abb7b..5f7a48730 100644
--- a/src/backends/native/meta-gpu-kms.c
+++ b/src/backends/native/meta-gpu-kms.c
@@ -169,9 +169,12 @@ meta_gpu_kms_apply_crtc_mode (MetaGpuKms *gpu_kms,
else
g_warning ("Failed to disable CRTC");
g_free (connectors);
+ meta_crtc_kms_set_active (crtc, FALSE);
return FALSE;
}
+ meta_crtc_kms_set_active (crtc, !!mode);
+
g_free (connectors);
return TRUE;
@@ -278,6 +281,13 @@ meta_gpu_kms_flip_crtc (MetaGpuKms *gpu_kms,
g_assert (meta_monitor_manager_get_power_save_mode (monitor_manager) ==
META_POWER_SAVE_ON);
+ if (!meta_crtc_kms_is_active (crtc))
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
+ "CRTC is not active");
+ return FALSE;
+ }
+
get_crtc_drm_connectors (gpu, crtc, &connectors, &n_connectors);
g_assert (n_connectors > 0);
g_free (connectors);
diff --git a/src/backends/native/meta-renderer-native.c b/src/backends/native/meta-renderer-native.c
index 62ca4bcbd..76e311508 100644
--- a/src/backends/native/meta-renderer-native.c
+++ b/src/backends/native/meta-renderer-native.c
@@ -217,6 +217,9 @@ struct _MetaRendererNative
GList *power_save_page_flip_closures;
guint power_save_page_flip_source_id;
+
+ GList *fail_safe_page_flip_closures;
+ guint fail_safe_page_flip_source_id;
};
static void
@@ -2048,6 +2051,34 @@ flip_crtc (MetaLogicalMonitor *logical_monitor,
}
}
+static gboolean
+fail_safe_page_flip_cb (gpointer user_data)
+{
+ MetaRendererNative *renderer_native = user_data;
+
+ g_list_free_full (renderer_native->fail_safe_page_flip_closures,
+ (GDestroyNotify) g_closure_unref);
+ renderer_native->fail_safe_page_flip_closures = NULL;
+ renderer_native->fail_safe_page_flip_source_id = 0;
+
+ return G_SOURCE_REMOVE;
+}
+
+static void
+queue_fail_safe_page_flip (MetaRendererNative *renderer_native,
+ GClosure *flip_closure)
+{
+ if (!renderer_native->fail_safe_page_flip_source_id)
+ {
+ renderer_native->fail_safe_page_flip_source_id =
+ g_idle_add (fail_safe_page_flip_cb, renderer_native);
+ }
+
+ renderer_native->fail_safe_page_flip_closures =
+ g_list_prepend (renderer_native->fail_safe_page_flip_closures,
+ g_closure_ref (flip_closure));
+}
+
static void
meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
{
@@ -2093,6 +2124,11 @@ meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
*/
if (!data.did_flip && data.did_mode_set)
meta_onscreen_native_swap_drm_fb (onscreen);
+ else if (!data.did_flip)
+ {
+ meta_onscreen_native_swap_drm_fb (onscreen);
+ queue_fail_safe_page_flip (renderer_native, flip_closure);
+ }
}
else
{
@@ -4549,6 +4585,13 @@ meta_renderer_native_finalize (GObject *object)
g_source_remove (renderer_native->power_save_page_flip_source_id);
}
+ if (renderer_native->fail_safe_page_flip_closures)
+ {
+ g_list_free_full (renderer_native->fail_safe_page_flip_closures,
+ (GDestroyNotify) g_closure_unref);
+ g_source_remove (renderer_native->fail_safe_page_flip_source_id);
+ }
+
g_hash_table_destroy (renderer_native->gpu_datas);
g_clear_object (&renderer_native->gles3);
--
2.39.2