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

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Date: Fri, 22 Mar 2024 09:29:46 +0100
From: Thomas Zimmermann <tzimmermann@...e.de>
To: nbowler@...conx.ca,
	deller@....de,
	javierm@...hat.com
Cc: linux-fbdev@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Daniel Vetter <daniel@...ll.ch>,
	Sam Ravnborg <sam@...nborg.org>,
	Arnd Bergmann <arnd@...db.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	stable@...r.kernel.org
Subject: [PATCH] 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@...conx.ca>
Closes: https://lore.kernel.org/lkml/5bc21364-41da-a339-676e-5bb0f4faebfb@draconx.ca/
Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
Fixes: 8813e86f6d82 ("fbdev: Remove default file-I/O implementations")
Cc: Thomas Zimmermann <tzimmermann@...e.de>
Cc: Javier Martinez Canillas <javierm@...hat.com>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: Helge Deller <deller@....de>
Cc: Sam Ravnborg <sam@...nborg.org>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: linux-fbdev@...r.kernel.org
Cc: dri-devel@...ts.freedesktop.org
Cc: <stable@...r.kernel.org> # 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