X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fdrm_proc.c;h=2e3f907a203a86b7ef11c30d369f6d972e9a7910;hb=41c2e75e60200a860a74b7c84a6375c105e7437f;hp=ae73b7f7249ad36059dde96219fe2fb33022b082;hpb=9649745c8670eacc671e9cff72c5c1e346e13036;p=deliverable%2Flinux.git

diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index ae73b7f7249a..2e3f907a203a 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -49,6 +49,8 @@ static int drm_queues_info(char *buf, char **start, off_t offset,
 			   int request, int *eof, void *data);
 static int drm_bufs_info(char *buf, char **start, off_t offset,
 			 int request, int *eof, void *data);
+static int drm_vblank_info(char *buf, char **start, off_t offset,
+			   int request, int *eof, void *data);
 static int drm_gem_name_info(char *buf, char **start, off_t offset,
 			     int request, int *eof, void *data);
 static int drm_gem_object_info(char *buf, char **start, off_t offset,
@@ -72,6 +74,7 @@ static struct drm_proc_list {
 	{"clients", drm_clients_info, 0},
 	{"queues", drm_queues_info, 0},
 	{"bufs", drm_bufs_info, 0},
+	{"vblank", drm_vblank_info, 0},
 	{"gem_names", drm_gem_name_info, DRIVER_GEM},
 	{"gem_objects", drm_gem_object_info, DRIVER_GEM},
 #if DRM_DEBUG_CODE
@@ -195,6 +198,7 @@ static int drm_name_info(char *buf, char **start, off_t offset, int request,
 			 int *eof, void *data)
 {
 	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_master *master = minor->master;
 	struct drm_device *dev = minor->dev;
 	int len = 0;
 
@@ -203,13 +207,16 @@ static int drm_name_info(char *buf, char **start, off_t offset, int request,
 		return 0;
 	}
 
+	if (!master)
+		return 0;
+
 	*start = &buf[offset];
 	*eof = 0;
 
-	if (dev->unique) {
+	if (master->unique) {
 		DRM_PROC_PRINT("%s %s %s\n",
 			       dev->driver->pci_driver.name,
-			       pci_name(dev->pdev), dev->unique);
+			       pci_name(dev->pdev), master->unique);
 	} else {
 		DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name,
 			       pci_name(dev->pdev));
@@ -240,7 +247,7 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request,
 	struct drm_minor *minor = (struct drm_minor *) data;
 	struct drm_device *dev = minor->dev;
 	int len = 0;
-	struct drm_map *map;
+	struct drm_local_map *map;
 	struct drm_map_list *r_list;
 
 	/* Hardcoded from _DRM_FRAME_BUFFER,
@@ -269,9 +276,9 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request,
 			type = "??";
 		else
 			type = types[map->type];
-		DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s  0x%02x 0x%08lx ",
+		DRM_PROC_PRINT("%4d 0x%08llx 0x%08lx %4.4s  0x%02x 0x%08lx ",
 			       i,
-			       map->offset,
+			       (unsigned long long)map->offset,
 			       map->size, type, map->flags,
 			       (unsigned long) r_list->user_token);
 		if (map->mtrr < 0) {
@@ -453,6 +460,66 @@ static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
 	return ret;
 }
 
+/**
+ * Called when "/proc/dri/.../vblank" is read.
+ *
+ * \param buf output buffer.
+ * \param start start of output data.
+ * \param offset requested start offset.
+ * \param request requested number of bytes.
+ * \param eof whether there is no more data to return.
+ * \param data private data.
+ * \return number of written bytes.
+ */
+static int drm__vblank_info(char *buf, char **start, off_t offset, int request,
+			  int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	int len = 0;
+	int crtc;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+
+	for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
+		DRM_PROC_PRINT("CRTC %d enable:     %d\n",
+			       crtc, atomic_read(&dev->vblank_refcount[crtc]));
+		DRM_PROC_PRINT("CRTC %d counter:    %d\n",
+			       crtc, drm_vblank_count(dev, crtc));
+		DRM_PROC_PRINT("CRTC %d last wait:  %d\n",
+			       crtc, dev->last_vblank_wait[crtc]);
+		DRM_PROC_PRINT("CRTC %d in modeset: %d\n",
+			       crtc, dev->vblank_inmodeset[crtc]);
+	}
+
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
+/**
+ * Simply calls _vblank_info() while holding the drm_device::struct_mutex lock.
+ */
+static int drm_vblank_info(char *buf, char **start, off_t offset, int request,
+			 int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	int ret;
+
+	mutex_lock(&dev->struct_mutex);
+	ret = drm__vblank_info(buf, start, offset, request, eof, data);
+	mutex_unlock(&dev->struct_mutex);
+	return ret;
+}
+
 /**
  * Called when "/proc/dri/.../clients" is read.
  *