From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 25 Oct 2011 14:32:45 +0000 (+0200)
Subject: drm/via: track obj->drm_fd relations in the driver
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c828e20456301b0f5192a1f75e8bf8a6afd15551;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

drm/via: track obj->drm_fd relations in the driver

Exactly like the previous patch for sis.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c
index fb43fd368ce..02661f35f7a 100644
--- a/drivers/gpu/drm/via/via_drv.c
+++ b/drivers/gpu/drm/via/via_drv.c
@@ -30,6 +30,29 @@
 
 #include "drm_pciids.h"
 
+static int via_driver_open(struct drm_device *dev, struct drm_file *file)
+{
+	struct via_file_private *file_priv;
+
+	DRM_DEBUG_DRIVER("\n");
+	file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
+	if (!file_priv)
+		return -ENOMEM;
+
+	file->driver_priv = file_priv;
+
+	INIT_LIST_HEAD(&file_priv->obj_list);
+
+	return 0;
+}
+
+void via_driver_postclose(struct drm_device *dev, struct drm_file *file)
+{
+	struct via_file_private *file_priv = file->driver_priv;
+
+	kfree(file_priv);
+}
+
 static struct pci_device_id pciidlist[] = {
 	viadrv_PCI_IDS
 };
@@ -51,6 +74,8 @@ static struct drm_driver driver = {
 	    DRIVER_IRQ_SHARED,
 	.load = via_driver_load,
 	.unload = via_driver_unload,
+	.open = via_driver_open,
+	.postclose = via_driver_postclose,
 	.context_dtor = via_final_context,
 	.get_vblank_counter = via_get_vblank_counter,
 	.enable_vblank = via_enable_vblank,
diff --git a/drivers/gpu/drm/via/via_mm.c b/drivers/gpu/drm/via/via_mm.c
index 6cc2dadae3e..19bb77cdeb4 100644
--- a/drivers/gpu/drm/via/via_mm.c
+++ b/drivers/gpu/drm/via/via_mm.c
@@ -115,12 +115,13 @@ void via_lastclose(struct drm_device *dev)
 }
 
 int via_mem_alloc(struct drm_device *dev, void *data,
-		  struct drm_file *file_priv)
+		  struct drm_file *file)
 {
 	drm_via_mem_t *mem = data;
 	int retval = 0;
 	struct drm_memblock_item *item;
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	struct via_file_private *file_priv = file->driver_priv;
 	unsigned long tmpSize;
 
 	if (mem->type > VIA_MEM_AGP) {
@@ -137,10 +138,10 @@ int via_mem_alloc(struct drm_device *dev, void *data,
 	}
 
 	tmpSize = (mem->size + VIA_MM_ALIGN_MASK) >> VIA_MM_ALIGN_SHIFT;
-	item = drm_sman_alloc(&dev_priv->sman, mem->type, tmpSize, 0,
-			      (unsigned long)file_priv);
-	mutex_unlock(&dev->struct_mutex);
+	item = drm_sman_alloc(&dev_priv->sman, mem->type, tmpSize, 0, 0);
+
 	if (item) {
+		list_move(&item->owner_list, &file_priv->obj_list);
 		mem->offset = ((mem->type == VIA_MEM_VIDEO) ?
 			      dev_priv->vram_offset : dev_priv->agp_offset) +
 		    (item->mm->
@@ -153,6 +154,7 @@ int via_mem_alloc(struct drm_device *dev, void *data,
 		DRM_DEBUG("Video memory allocation failed\n");
 		retval = -ENOMEM;
 	}
+	mutex_unlock(&dev->struct_mutex);
 
 	return retval;
 }
@@ -173,12 +175,13 @@ int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
 
 
 void via_reclaim_buffers_locked(struct drm_device *dev,
-				struct drm_file *file_priv)
+				struct drm_file *file)
 {
-	drm_via_private_t *dev_priv = dev->dev_private;
+	struct via_file_private *file_priv = file->driver_priv;
+	struct drm_memblock_item *entry, *next;
 
 	mutex_lock(&dev->struct_mutex);
-	if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)file_priv)) {
+	if (list_empty(&file_priv->obj_list)) {
 		mutex_unlock(&dev->struct_mutex);
 		return;
 	}
@@ -186,7 +189,10 @@ void via_reclaim_buffers_locked(struct drm_device *dev,
 	if (dev->driver->dma_quiescent)
 		dev->driver->dma_quiescent(dev);
 
-	drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)file_priv);
+	list_for_each_entry_safe(entry, next, &file_priv->obj_list,
+				 owner_list) {
+		drm_sman_free(entry);
+	}
 	mutex_unlock(&dev->struct_mutex);
 	return;
 }
diff --git a/include/drm/via_drm.h b/include/drm/via_drm.h
index fd11a5bd892..79b3b6e0f6b 100644
--- a/include/drm/via_drm.h
+++ b/include/drm/via_drm.h
@@ -274,4 +274,8 @@ typedef struct drm_via_dmablit {
 	drm_via_blitsync_t sync;
 } drm_via_dmablit_t;
 
+struct via_file_private {
+	struct list_head obj_list;
+};
+
 #endif				/* _VIA_DRM_H_ */