summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMarcin Slusarz <marcin.slusarz@gmail.com>2013-02-08 21:42:13 +0100
committerBen Skeggs <bskeggs@redhat.com>2013-02-20 20:46:34 +1000
commit33b903e82873ba9233bd89c44d016b87347ed158 (patch)
tree3e8e6a1cdcfc6bc07a22ad21e4d73e1924686dfb
parenteff76ed7881842ffcd2d77cf217eabcb1134b38b (diff)
drm/nouveau: restore debugfs/vbios.rom support
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
-rw-r--r--drivers/gpu/drm/nouveau/Makefile1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_debugfs.c64
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_debugfs.h22
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c6
4 files changed, 93 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index 51d09729fc5..90f9140eeef 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -242,5 +242,6 @@ ifdef CONFIG_X86
nouveau-$(CONFIG_ACPI) += nouveau_acpi.o
endif
nouveau-$(CONFIG_DRM_NOUVEAU_BACKLIGHT) += nouveau_backlight.o
+nouveau-$(CONFIG_DEBUG_FS) += nouveau_debugfs.o
obj-$(CONFIG_DRM_NOUVEAU)+= nouveau.o
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
new file mode 100644
index 00000000000..5392e07edfc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 Red Hat <bskeggs@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/*
+ * Authors:
+ * Ben Skeggs <bskeggs@redhat.com>
+ */
+
+#include "nouveau_debugfs.h"
+#include "nouveau_drm.h"
+
+static int
+nouveau_debugfs_vbios_image(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct nouveau_drm *drm = nouveau_drm(node->minor->dev);
+ int i;
+
+ for (i = 0; i < drm->vbios.length; i++)
+ seq_printf(m, "%c", drm->vbios.data[i]);
+ return 0;
+}
+
+static struct drm_info_list nouveau_debugfs_list[] = {
+ { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
+};
+#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
+
+int
+nouveau_debugfs_init(struct drm_minor *minor)
+{
+ drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
+ minor->debugfs_root, minor);
+ return 0;
+}
+
+void
+nouveau_debugfs_takedown(struct drm_minor *minor)
+{
+ drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
+ minor);
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.h b/drivers/gpu/drm/nouveau/nouveau_debugfs.h
new file mode 100644
index 00000000000..a62af6fb5f9
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.h
@@ -0,0 +1,22 @@
+#ifndef __NOUVEAU_DEBUGFS_H__
+#define __NOUVEAU_DEBUGFS_H__
+
+#include <drm/drmP.h>
+
+#if defined(CONFIG_DEBUG_FS)
+extern int nouveau_debugfs_init(struct drm_minor *);
+extern void nouveau_debugfs_takedown(struct drm_minor *);
+#else
+static inline int
+nouveau_debugfs_init(struct drm_minor *minor)
+{
+ return 0;
+}
+
+static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
+{
+}
+
+#endif
+
+#endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index f9144910b78..b1c4ce1cf2f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -50,6 +50,7 @@
#include "nouveau_abi16.h"
#include "nouveau_fbcon.h"
#include "nouveau_fence.h"
+#include "nouveau_debugfs.h"
MODULE_PARM_DESC(config, "option string to pass to driver core");
static char *nouveau_config;
@@ -667,6 +668,11 @@ driver = {
.postclose = nouveau_drm_postclose,
.lastclose = nouveau_vga_lastclose,
+#if defined(CONFIG_DEBUG_FS)
+ .debugfs_init = nouveau_debugfs_init,
+ .debugfs_cleanup = nouveau_debugfs_takedown,
+#endif
+
.irq_preinstall = nouveau_irq_preinstall,
.irq_postinstall = nouveau_irq_postinstall,
.irq_uninstall = nouveau_irq_uninstall,