Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 3e7e753..756706b 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -126,43 +126,15 @@
/* The resolution of the passed in fb_info about to change */
#define FB_EVENT_MODE_CHANGE 0x01
-/* The display on this fb_info is being suspended, no access to the
- * framebuffer is allowed any more after that call returns
- */
-#define FB_EVENT_SUSPEND 0x02
-/* The display on this fb_info was resumed, you can restore the display
- * if you own it
- */
-#define FB_EVENT_RESUME 0x03
-/* An entry from the modelist was removed */
-#define FB_EVENT_MODE_DELETE 0x04
-/* A driver registered itself */
+
+#ifdef CONFIG_GUMSTIX_AM200EPD
+/* only used by mach-pxa/am200epd.c */
#define FB_EVENT_FB_REGISTERED 0x05
-/* A driver unregistered itself */
#define FB_EVENT_FB_UNREGISTERED 0x06
-/* CONSOLE-SPECIFIC: get console to framebuffer mapping */
-#define FB_EVENT_GET_CONSOLE_MAP 0x07
-/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
-#define FB_EVENT_SET_CONSOLE_MAP 0x08
-/* A hardware display blank change occurred */
+#endif
+
+/* A display blank is requested */
#define FB_EVENT_BLANK 0x09
-/* Private modelist is to be replaced */
-#define FB_EVENT_NEW_MODELIST 0x0A
-/* The resolution of the passed in fb_info about to change and
- all vc's should be changed */
-#define FB_EVENT_MODE_CHANGE_ALL 0x0B
-/* A software display blank change occurred */
-#define FB_EVENT_CONBLANK 0x0C
-/* Get drawing requirements */
-#define FB_EVENT_GET_REQ 0x0D
-/* Unbind from the console if possible */
-#define FB_EVENT_FB_UNBIND 0x0E
-/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga_switcheroo */
-#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F
-/* A hardware display blank early change occurred */
-#define FB_EARLY_EVENT_BLANK 0x10
-/* A hardware display blank revert early change occurred */
-#define FB_R_EARLY_EVENT_BLANK 0x11
struct fb_event {
struct fb_info *info;
@@ -456,10 +428,13 @@
* and host endianness. Drivers should not use this flag.
*/
#define FBINFO_BE_MATH 0x100000
+/*
+ * Hide smem_start in the FBIOGET_FSCREENINFO IOCTL. This is used by modern DRM
+ * drivers to stop userspace from trying to share buffers behind the kernel's
+ * back. Instead dma-buf based buffer sharing should be used.
+ */
+#define FBINFO_HIDE_SMEM_START 0x200000
-/* report to the VT layer that this fb driver can accept forced console
- output like oopses */
-#define FBINFO_CAN_FORCE_OUTPUT 0x200000
struct fb_info {
atomic_t count;
@@ -482,7 +457,7 @@
struct list_head modelist; /* mode list */
struct fb_videomode *mode; /* current mode */
-#ifdef CONFIG_FB_BACKLIGHT
+#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
/* assigned backlight device */
/* set before framebuffer registration,
remove after unregister */
@@ -630,8 +605,10 @@
/* drivers/video/fbmem.c */
extern int register_framebuffer(struct fb_info *fb_info);
-extern int unregister_framebuffer(struct fb_info *fb_info);
-extern int unlink_framebuffer(struct fb_info *fb_info);
+extern void unregister_framebuffer(struct fb_info *fb_info);
+extern void unlink_framebuffer(struct fb_info *fb_info);
+extern int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id,
+ const char *name);
extern int remove_conflicting_framebuffers(struct apertures_struct *a,
const char *name, bool primary);
extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
@@ -648,13 +625,17 @@
extern struct fb_info *registered_fb[FB_MAX];
extern int num_registered_fb;
+extern bool fb_center_logo;
extern struct class *fb_class;
#define for_each_registered_fb(i) \
for (i = 0; i < FB_MAX; i++) \
if (!registered_fb[i]) {} else
-extern int lock_fb_info(struct fb_info *info);
+static inline void lock_fb_info(struct fb_info *info)
+{
+ mutex_lock(&info->lock);
+}
static inline void unlock_fb_info(struct fb_info *info)
{
@@ -736,8 +717,6 @@
extern const unsigned char *fb_firmware_edid(struct device *device);
extern void fb_edid_to_monspecs(unsigned char *edid,
struct fb_monspecs *specs);
-extern void fb_edid_add_monspecs(unsigned char *edid,
- struct fb_monspecs *specs);
extern void fb_destroy_modedb(struct fb_videomode *modedb);
extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
@@ -811,7 +790,6 @@
extern const char *fb_mode_option;
extern const struct fb_videomode vesa_modes[];
-extern const struct fb_videomode cea_modes[65];
extern const struct dmt_videomode dmt_modes[];
struct fb_modelist {