drm: move "struct drm_vma_entry" to drm_vm.c

Make all the drm_vma_entry handling local to drm_vm.c and hide it from
global headers. This requires to extract the inlined legacy drm_vma_entry
cleanup into a small helper and also move a weirdly placed drm_vma_info
helper into drm_vm.c.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

4 files changed, 79 insertions, 74 deletions

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 6dbbb0fd54eb..12e6a1cd804d 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -330,8 +330,6 @@ static void drm_legacy_dev_reinit(struct drm_device *dev)
  */
 int drm_lastclose(struct drm_device * dev)
 {
-        struct drm_vma_entry *vma, *vma_temp;
-
         DRM_DEBUG("\n");
 
         if (dev->driver->lastclose)
@@ -346,13 +344,7 @@ int drm_lastclose(struct drm_device * dev)
         drm_agp_clear(dev);
 
         drm_legacy_sg_cleanup(dev);
-
-        /* Clear vma list (only built for debugging) */
-        list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
-                list_del(&vma->head);
-                kfree(vma);
-        }
-
+        drm_legacy_vma_flush(dev);
         drm_legacy_dma_takedown(dev);
 
         mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index ecaf0fa2eec8..3c99f6f60818 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -223,62 +223,3 @@ int drm_gem_name_info(struct seq_file *m, void *data)
 
         return 0;
 }
-
-#if DRM_DEBUG_CODE
-
-int drm_vma_info(struct seq_file *m, void *data)
-{
-        struct drm_info_node *node = (struct drm_info_node *) m->private;
-        struct drm_device *dev = node->minor->dev;
-        struct drm_vma_entry *pt;
-        struct vm_area_struct *vma;
-        unsigned long vma_count = 0;
-#if defined(__i386__)
-        unsigned int pgprot;
-#endif
-
-        mutex_lock(&dev->struct_mutex);
-        list_for_each_entry(pt, &dev->vmalist, head)
-                vma_count++;
-
-        seq_printf(m, "vma use count: %lu, high_memory = %pK, 0x%pK\n",
-                   vma_count, high_memory,
-                   (void *)(unsigned long)virt_to_phys(high_memory));
-
-        list_for_each_entry(pt, &dev->vmalist, head) {
-                vma = pt->vma;
-                if (!vma)
-                        continue;
-                seq_printf(m,
-                           "\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
-                           pt->pid,
-                           (void *)vma->vm_start, (void *)vma->vm_end,
-                           vma->vm_flags & VM_READ ? 'r' : '-',
-                           vma->vm_flags & VM_WRITE ? 'w' : '-',
-                           vma->vm_flags & VM_EXEC ? 'x' : '-',
-                           vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
-                           vma->vm_flags & VM_LOCKED ? 'l' : '-',
-                           vma->vm_flags & VM_IO ? 'i' : '-',
-                           vma->vm_pgoff);
-
-#if defined(__i386__)
-                pgprot = pgprot_val(vma->vm_page_prot);
-                seq_printf(m, " %c%c%c%c%c%c%c%c%c",
-                           pgprot & _PAGE_PRESENT ? 'p' : '-',
-                           pgprot & _PAGE_RW ? 'w' : 'r',
-                           pgprot & _PAGE_USER ? 'u' : 's',
-                           pgprot & _PAGE_PWT ? 't' : 'b',
-                           pgprot & _PAGE_PCD ? 'u' : 'c',
-                           pgprot & _PAGE_ACCESSED ? 'a' : '-',
-                           pgprot & _PAGE_DIRTY ? 'd' : '-',
-                           pgprot & _PAGE_PSE ? 'm' : 'k',
-                           pgprot & _PAGE_GLOBAL ? 'g' : 'l');
-#endif
-                seq_printf(m, "\n");
-        }
-        mutex_unlock(&dev->struct_mutex);
-        return 0;
-}
-
-#endif
-
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index 24e045c4f531..352e3399d18f 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -35,11 +35,18 @@
 
 #include <drm/drmP.h>
 #include <linux/export.h>
+#include <linux/seq_file.h>
 #if defined(__ia64__)
 #include <linux/efi.h>
 #include <linux/slab.h>
 #endif
 
+struct drm_vma_entry {
+        struct list_head head;
+        struct vm_area_struct *vma;
+        pid_t pid;
+};
+
 static void drm_vm_open(struct vm_area_struct *vma);
 static void drm_vm_close(struct vm_area_struct *vma);
 
@@ -662,3 +669,72 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
         return ret;
 }
 EXPORT_SYMBOL(drm_mmap);
+
+void drm_legacy_vma_flush(struct drm_device *dev)
+{
+        struct drm_vma_entry *vma, *vma_temp;
+
+        /* Clear vma list (only needed for legacy drivers) */
+        list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
+                list_del(&vma->head);
+                kfree(vma);
+        }
+}
+
+#if DRM_DEBUG_CODE
+
+int drm_vma_info(struct seq_file *m, void *data)
+{
+        struct drm_info_node *node = (struct drm_info_node *) m->private;
+        struct drm_device *dev = node->minor->dev;
+        struct drm_vma_entry *pt;
+        struct vm_area_struct *vma;
+        unsigned long vma_count = 0;
+#if defined(__i386__)
+        unsigned int pgprot;
+#endif
+
+        mutex_lock(&dev->struct_mutex);
+        list_for_each_entry(pt, &dev->vmalist, head)
+                vma_count++;
+
+        seq_printf(m, "vma use count: %lu, high_memory = %pK, 0x%pK\n",
+                   vma_count, high_memory,
+                   (void *)(unsigned long)virt_to_phys(high_memory));
+
+        list_for_each_entry(pt, &dev->vmalist, head) {
+                vma = pt->vma;
+                if (!vma)
+                        continue;
+                seq_printf(m,
+                           "\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
+                           pt->pid,
+                           (void *)vma->vm_start, (void *)vma->vm_end,
+                           vma->vm_flags & VM_READ ? 'r' : '-',
+                           vma->vm_flags & VM_WRITE ? 'w' : '-',
+                           vma->vm_flags & VM_EXEC ? 'x' : '-',
+                           vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
+                           vma->vm_flags & VM_LOCKED ? 'l' : '-',
+                           vma->vm_flags & VM_IO ? 'i' : '-',
+                           vma->vm_pgoff);
+
+#if defined(__i386__)
+                pgprot = pgprot_val(vma->vm_page_prot);
+                seq_printf(m, " %c%c%c%c%c%c%c%c%c",
+                           pgprot & _PAGE_PRESENT ? 'p' : '-',
+                           pgprot & _PAGE_RW ? 'w' : 'r',
+                           pgprot & _PAGE_USER ? 'u' : 's',
+                           pgprot & _PAGE_PWT ? 't' : 'b',
+                           pgprot & _PAGE_PCD ? 'u' : 'c',
+                           pgprot & _PAGE_ACCESSED ? 'a' : '-',
+                           pgprot & _PAGE_DIRTY ? 'd' : '-',
+                           pgprot & _PAGE_PSE ? 'm' : 'k',
+                           pgprot & _PAGE_GLOBAL ? 'g' : 'l');
+#endif
+                seq_printf(m, "\n");
+        }
+        mutex_unlock(&dev->struct_mutex);
+        return 0;
+}
+
+#endif
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index cea7911265a3..11c357534581 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -296,12 +296,6 @@ struct drm_magic_entry {
         struct drm_file *priv;
 };
 
-struct drm_vma_entry {
-        struct list_head head;
-        struct vm_area_struct *vma;
-        pid_t pid;
-};
-
 /**
  * DMA buffer.
  */
@@ -1449,6 +1443,8 @@ struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev);
 int drm_legacy_addbufs_agp(struct drm_device *d, struct drm_buf_desc *req);
 int drm_legacy_addbufs_pci(struct drm_device *d, struct drm_buf_desc *req);
 
+void drm_legacy_vma_flush(struct drm_device *d);
+
                                /* sysfs support (drm_sysfs.c) */
 struct drm_sysfs_class;
 extern struct class *drm_sysfs_create(struct module *owner, char *name);