[PATCH] fbdev: Select I/O-memory framebuffer ops for SBus

[Thomas Zimmermann]

Framebuffer I/O on the Sparc Sbus requires read/write helpers for
I/O memory. Select FB_IOMEM_FOPS accordingly.

Reported-by: Nick Bowler <nbowler@xxxxxxxxxx>
Closes: https://lore.kernel.org/lkml/5bc21364-41da-a339-676e-5bb0f4faebfb@xxxxxxxxxx/
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Fixes: 8813e86f6d82 ("fbdev: Remove default file-I/O implementations")
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: Javier Martinez Canillas <javierm@xxxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: linux-fbdev@xxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: <stable@xxxxxxxxxxxxxxx> # v6.8+
---
 drivers/video/fbdev/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index a61b8260b8f36..edced74f0eeaf 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -494,6 +494,7 @@ config FB_SBUS_HELPERS
 	select FB_CFB_COPYAREA
 	select FB_CFB_FILLRECT
 	select FB_CFB_IMAGEBLIT
+	select FB_IOMEM_FOPS
 
 config FB_BW2
 	bool "BWtwo support"
@@ -514,6 +515,7 @@ config FB_CG6
 	depends on (FB = y) && (SPARC && FB_SBUS)
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
+	select FB_IOMEM_FOPS
 	help
 	  This is the frame buffer device driver for the CGsix (GX, TurboGX)
 	  frame buffer.
@@ -523,6 +525,7 @@ config FB_FFB
 	depends on FB_SBUS && SPARC64
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
+	select FB_IOMEM_FOPS
 	help
 	  This is the frame buffer device driver for the Creator, Creator3D,
 	  and Elite3D graphics boards.
-- 
2.44.0