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

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@draconx.ca>
Closes: https://lore.kernel.org/lkml/5bc21364-41da-a339-676e-5bb0f4faebfb@draconx.ca/
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 8813e86f6d82 ("fbdev: Remove default file-I/O implementations")
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240322083005.24269-1-tzimmermann@suse.de

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index e3179e987cdb32b16b317b199238057ed187f125..197b6d5268e941c2b272c2b4d353907ce4c0b768 100644 (file)
--- 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.