4 files changed, 51 insertions, 68 deletions

diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index e7a69077e45a..fb38c8b857b5 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -66,6 +66,7 @@ struct bochs_device {
 	u16 yres_virtual;
 	u32 stride;
 	u32 bpp;
+	struct edid *edid;
 
 	/* drm */
 	struct drm_device  *dev;
@@ -76,8 +77,6 @@ struct bochs_device {
 
 	/* ttm */
 	struct {
-		struct drm_global_reference mem_global_ref;
-		struct ttm_bo_global_ref bo_global_ref;
 		struct ttm_bo_device bdev;
 		bool initialized;
 	} ttm;
@@ -126,6 +125,7 @@ void bochs_hw_setmode(struct bochs_device *bochs,
 		      const struct drm_format_info *format);
 void bochs_hw_setbase(struct bochs_device *bochs,
 		      int x, int y, u64 addr);
+int bochs_hw_load_edid(struct bochs_device *bochs);
 
 /* bochs_mm.c */
 int bochs_mm_init(struct bochs_device *bochs);
diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c
index cacff73a64ab..c90a0d492fd5 100644
--- a/drivers/gpu/drm/bochs/bochs_hw.c
+++ b/drivers/gpu/drm/bochs/bochs_hw.c
@@ -69,6 +69,35 @@ static void bochs_hw_set_little_endian(struct bochs_device *bochs)
 #define bochs_hw_set_native_endian(_b) bochs_hw_set_little_endian(_b)
 #endif
 
+static int bochs_get_edid_block(void *data, u8 *buf,
+				unsigned int block, size_t len)
+{
+	struct bochs_device *bochs = data;
+	size_t i, start = block * EDID_LENGTH;
+
+	if (start + len > 0x400 /* vga register offset */)
+		return -1;
+
+	for (i = 0; i < len; i++) {
+		buf[i] = readb(bochs->mmio + start + i);
+	}
+	return 0;
+}
+
+int bochs_hw_load_edid(struct bochs_device *bochs)
+{
+	if (!bochs->mmio)
+		return -1;
+
+	kfree(bochs->edid);
+	bochs->edid = drm_do_get_edid(&bochs->connector,
+				      bochs_get_edid_block, bochs);
+	if (bochs->edid == NULL)
+		return -1;
+
+	return 0;
+}
+
 int bochs_hw_init(struct drm_device *dev)
 {
 	struct bochs_device *bochs = dev->dev_private;
@@ -164,6 +193,7 @@ void bochs_hw_fini(struct drm_device *dev)
 	if (bochs->fb_map)
 		iounmap(bochs->fb_map);
 	pci_release_regions(dev->pdev);
+	kfree(bochs->edid);
 }
 
 void bochs_hw_setmode(struct bochs_device *bochs,
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 9bc5b438aefd..f87c284dd93d 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -213,10 +213,17 @@ static void bochs_encoder_init(struct drm_device *dev)
 
 static int bochs_connector_get_modes(struct drm_connector *connector)
 {
-	int count;
+	struct bochs_device *bochs =
+		container_of(connector, struct bochs_device, connector);
+	int count = 0;
+
+	if (bochs->edid)
+		count = drm_add_edid_modes(connector, bochs->edid);
 
-	count = drm_add_modes_noedid(connector, 8192, 8192);
-	drm_set_preferred_mode(connector, defx, defy);
+	if (!count) {
+		count = drm_add_modes_noedid(connector, 8192, 8192);
+		drm_set_preferred_mode(connector, defx, defy);
+	}
 	return count;
 }
 
@@ -271,6 +278,13 @@ static void bochs_connector_init(struct drm_device *dev)
 	drm_connector_helper_add(connector,
 				 &bochs_connector_connector_helper_funcs);
 	drm_connector_register(connector);
+
+	bochs_hw_load_edid(bochs);
+	if (bochs->edid) {
+		DRM_INFO("Found EDID data blob.\n");
+		drm_connector_attach_edid_property(connector);
+		drm_connector_update_edid_property(connector, bochs->edid);
+	}
 }
 
 
diff --git a/drivers/gpu/drm/bochs/bochs_mm.c b/drivers/gpu/drm/bochs/bochs_mm.c
index a61c1ecb2bdc..0980411e41bf 100644
--- a/drivers/gpu/drm/bochs/bochs_mm.c
+++ b/drivers/gpu/drm/bochs/bochs_mm.c
@@ -16,61 +16,6 @@ static inline struct bochs_device *bochs_bdev(struct ttm_bo_device *bd)
 	return container_of(bd, struct bochs_device, ttm.bdev);
 }
 
-static int bochs_ttm_mem_global_init(struct drm_global_reference *ref)
-{
-	return ttm_mem_global_init(ref->object);
-}
-
-static void bochs_ttm_mem_global_release(struct drm_global_reference *ref)
-{
-	ttm_mem_global_release(ref->object);
-}
-
-static int bochs_ttm_global_init(struct bochs_device *bochs)
-{
-	struct drm_global_reference *global_ref;
-	int r;
-
-	global_ref = &bochs->ttm.mem_global_ref;
-	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
-	global_ref->size = sizeof(struct ttm_mem_global);
-	global_ref->init = &bochs_ttm_mem_global_init;
-	global_ref->release = &bochs_ttm_mem_global_release;
-	r = drm_global_item_ref(global_ref);
-	if (r != 0) {
-		DRM_ERROR("Failed setting up TTM memory accounting "
-			  "subsystem.\n");
-		return r;
-	}
-
-	bochs->ttm.bo_global_ref.mem_glob =
-		bochs->ttm.mem_global_ref.object;
-	global_ref = &bochs->ttm.bo_global_ref.ref;
-	global_ref->global_type = DRM_GLOBAL_TTM_BO;
-	global_ref->size = sizeof(struct ttm_bo_global);
-	global_ref->init = &ttm_bo_global_init;
-	global_ref->release = &ttm_bo_global_release;
-	r = drm_global_item_ref(global_ref);
-	if (r != 0) {
-		DRM_ERROR("Failed setting up TTM BO subsystem.\n");
-		drm_global_item_unref(&bochs->ttm.mem_global_ref);
-		return r;
-	}
-
-	return 0;
-}
-
-static void bochs_ttm_global_release(struct bochs_device *bochs)
-{
-	if (bochs->ttm.mem_global_ref.release == NULL)
-		return;
-
-	drm_global_item_unref(&bochs->ttm.bo_global_ref.ref);
-	drm_global_item_unref(&bochs->ttm.mem_global_ref);
-	bochs->ttm.mem_global_ref.release = NULL;
-}
-
-
 static void bochs_bo_ttm_destroy(struct ttm_buffer_object *tbo)
 {
 	struct bochs_bo *bo;
@@ -208,12 +153,7 @@ int bochs_mm_init(struct bochs_device *bochs)
 	struct ttm_bo_device *bdev = &bochs->ttm.bdev;
 	int ret;
 
-	ret = bochs_ttm_global_init(bochs);
-	if (ret)
-		return ret;
-
 	ret = ttm_bo_device_init(&bochs->ttm.bdev,
-				 bochs->ttm.bo_global_ref.ref.object,
 				 &bochs_bo_driver,
 				 bochs->dev->anon_inode->i_mapping,
 				 DRM_FILE_PAGE_OFFSET,
@@ -240,7 +180,6 @@ void bochs_mm_fini(struct bochs_device *bochs)
 		return;
 
 	ttm_bo_device_release(&bochs->ttm.bdev);
-	bochs_ttm_global_release(bochs);
 	bochs->ttm.initialized = false;
 }
 
@@ -414,7 +353,7 @@ int bochs_dumb_create(struct drm_file *file, struct drm_device *dev,
 		return ret;
 
 	ret = drm_gem_handle_create(file, gobj, &handle);
-	drm_gem_object_unreference_unlocked(gobj);
+	drm_gem_object_put_unlocked(gobj);
 	if (ret)
 		return ret;
 
@@ -454,6 +393,6 @@ int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
 	bo = gem_to_bochs_bo(obj);
 	*offset = bochs_bo_mmap_offset(bo);
 
-	drm_gem_object_unreference_unlocked(obj);
+	drm_gem_object_put_unlocked(obj);
 	return 0;
 }