Merge branch 'android-3.10' into rel-21

Bug 200004122
Bug 1511804
This merge takes AOSP commits from android-3.10 branch

Change-Id: I07ec2468114db0366d63777142c9572bbfadbc45
Signed-off-by: Ishan Mittal <imittal@nvidia.com>

2 files changed, 84 insertions, 1 deletions

diff --git a/include/video/adf.h b/include/video/adf.h
index 2b742ab463dd..34f10e538f9e 100644
--- a/include/video/adf.h
+++ b/include/video/adf.h
@@ -193,10 +193,26 @@ struct adf_obj {
 };
 
 /**
+ * struct adf_device_quirks - common display device quirks
+ *
+ * @buffer_padding: whether the last scanline of a buffer extends to the
+ * 	buffer's pitch (@ADF_BUFFER_PADDED_TO_PITCH) or just to the visible
+ * 	width (@ADF_BUFFER_UNPADDED)
+ */
+struct adf_device_quirks {
+	/* optional, defaults to ADF_BUFFER_PADDED_TO_PITCH */
+	enum {
+		ADF_BUFFER_PADDED_TO_PITCH = 0,
+		ADF_BUFFER_UNPADDED = 1,
+	} buffer_padding;
+};
+
+/**
  * struct adf_device_ops - display device implementation ops
  *
  * @owner: device's module
  * @base: common operations (see &struct adf_obj_ops)
+ * @quirks: device's quirks (see &struct adf_device_quirks)
  *
  * @attach: attach overlay engine @eng to interface @intf.  Return 0 on success
  *	or error code (<0) on failure.
@@ -228,6 +244,8 @@ struct adf_device_ops {
 	/* required */
 	struct module *owner;
 	const struct adf_obj_ops base;
+	/* optional */
+	const struct adf_device_quirks quirks;
 
 	/* optional */
 	int (*attach)(struct adf_device *dev, struct adf_overlay_engine *eng,
diff --git a/include/video/adf_fbdev.h b/include/video/adf_fbdev.h
index 9c349144b5cd..b722c6b3ab02 100644
--- a/include/video/adf_fbdev.h
+++ b/include/video/adf_fbdev.h
@@ -16,6 +16,7 @@
 #define _VIDEO_ADF_FBDEV_H_
 
 #include <linux/fb.h>
+#include <linux/mutex.h>
 #include <video/adf.h>
 
 struct adf_fbdev {
@@ -24,7 +25,8 @@ struct adf_fbdev {
 	struct fb_info *info;
 	u32 pseudo_palette[16];
 
-	bool open;
+	unsigned int refcount;
+	struct mutex refcount_lock;
 
 	struct dma_buf *dma_buf;
 	u32 offset;
@@ -37,6 +39,7 @@ struct adf_fbdev {
 	u32 default_format;
 };
 
+#if IS_ENABLED(CONFIG_ADF_FBDEV)
 void adf_modeinfo_to_fb_videomode(const struct drm_mode_modeinfo *mode,
 		struct fb_videomode *vmode);
 void adf_modeinfo_from_fb_videomode(const struct fb_videomode *vmode,
@@ -55,5 +58,67 @@ int adf_fbdev_set_par(struct fb_info *info);
 int adf_fbdev_blank(int blank, struct fb_info *info);
 int adf_fbdev_pan_display(struct fb_var_screeninfo *var, struct fb_info *info);
 int adf_fbdev_mmap(struct fb_info *info, struct vm_area_struct *vma);
+#else
+static inline void adf_modeinfo_to_fb_videomode(const struct drm_mode_modeinfo *mode,
+		struct fb_videomode *vmode)
+{
+	WARN_ONCE(1, "%s: CONFIG_ADF_FBDEV is disabled\n", __func__);
+}
+
+static inline void adf_modeinfo_from_fb_videomode(const struct fb_videomode *vmode,
+		struct drm_mode_modeinfo *mode)
+{
+	WARN_ONCE(1, "%s: CONFIG_ADF_FBDEV is disabled\n", __func__);
+}
+
+static inline int adf_fbdev_init(struct adf_fbdev *fbdev,
+		struct adf_interface *interface,
+		struct adf_overlay_engine *eng,
+		u16 xres_virtual, u16 yres_virtual, u32 format,
+		struct fb_ops *fbops, const char *fmt, ...)
+{
+	return -ENODEV;
+}
+
+static inline void adf_fbdev_destroy(struct adf_fbdev *fbdev) { }
+
+static inline int adf_fbdev_open(struct fb_info *info, int user)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_release(struct fb_info *info, int user)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_check_var(struct fb_var_screeninfo *var,
+		struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_set_par(struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_blank(int blank, struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_pan_display(struct fb_var_screeninfo *var,
+		struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_mmap(struct fb_info *info,
+		struct vm_area_struct *vma)
+{
+	return -ENODEV;
+}
+#endif
 
 #endif /* _VIDEO_ADF_FBDEV_H_ */