From: Thomas Zimmermann <tzimmermann@suse.de>
To: deller@gmx.de, geert@linux-m68k.org, javierm@redhat.com,
daniel@ffwll.ch, vgupta@kernel.org, chenhuacai@kernel.org,
kernel@xen0n.name, davem@davemloft.net,
James.Bottomley@HansenPartnership.com, arnd@arndb.de,
sam@ravnborg.org
Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-arch@vger.kernel.org, linux-snps-arc@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org,
loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org,
sparclinux@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-parisc@vger.kernel.org,
Thomas Zimmermann <tzimmermann@suse.de>
Subject: [PATCH v4 0/6] fbdev: Move framebuffer I/O helpers to <asm/fb.h>
Date: Thu, 4 May 2023 09:45:33 +0200 [thread overview]
Message-ID: <20230504074539.8181-1-tzimmermann@suse.de> (raw)
Fbdev provides helpers for framebuffer I/O, such as fb_readl(),
fb_writel() or fb_memcpy_to_fb(). The implementation of each helper
depends on the architecture, but they are all equivalent to regular
I/O functions of similar names. So use regular functions instead and
move all helpers into <asm-generic/fb.h>
The first patch a simple whitespace cleanup.
Until now, <linux/fb.h> contained an include of <asm/io.h>. As this
will go away, patches 2 to 4 prepare include statements in the various
drivers. Source files that use regular I/O helpers, such as readl(),
now include <linux/io.h>. Source files that use framebuffer I/O
helpers, such as fb_readl(), now include <linux/fb.h>.
Patch 5 replaces the architecture-based if-else branching in
<linux/fb.h> by helpers in <asm-generic/fb.h>. All helpers use Linux'
existing I/O functions.
Patch 6 harmonizes naming among fbdev and existing I/O functions.
The patchset has been built for a variety of platforms, such as x86-64,
arm, aarch64, ppc64, parisc, m64k, mips and sparc.
v4:
* keep fb_mem*() as-is on ia64, loongarch, sparc64 (Arnd)
* don't include <asm/fb.h> (Sam)
v3:
* add the new helpers in <asm-generic/fb.h>
* support reordering and native byte order (Geert, Arnd)
v2:
* use Linux I/O helpers (Sam, Arnd)
Thomas Zimmermann (6):
fbdev/matrox: Remove trailing whitespaces
ipu-v3: Include <linux/io.h>
fbdev: Include <linux/io.h> in various drivers
fbdev: Include <linux/fb.h> instead of <asm/fb.h>
fbdev: Move framebuffer I/O helpers into <asm/fb.h>
fbdev: Rename fb_mem*() helpers
arch/ia64/include/asm/fb.h | 20 ++++
arch/loongarch/include/asm/fb.h | 21 ++++
arch/parisc/video/fbdev.c | 3 +-
arch/sparc/include/asm/fb.h | 20 ++++
arch/sparc/video/fbdev.c | 1 -
arch/x86/video/fbdev.c | 2 -
drivers/gpu/ipu-v3/ipu-prv.h | 1 +
drivers/staging/sm750fb/sm750.c | 2 +-
drivers/video/fbdev/arcfb.c | 1 +
drivers/video/fbdev/aty/atyfb.h | 2 +
drivers/video/fbdev/aty/mach64_cursor.c | 2 +-
drivers/video/fbdev/chipsfb.c | 2 +-
drivers/video/fbdev/core/fbcon.c | 1 -
drivers/video/fbdev/core/fbmem.c | 6 +-
drivers/video/fbdev/kyro/fbdev.c | 2 +-
drivers/video/fbdev/matrox/matroxfb_accel.c | 6 +-
drivers/video/fbdev/matrox/matroxfb_base.h | 4 +-
drivers/video/fbdev/pvr2fb.c | 2 +-
drivers/video/fbdev/sstfb.c | 2 +-
drivers/video/fbdev/stifb.c | 4 +-
drivers/video/fbdev/tdfxfb.c | 2 +-
drivers/video/fbdev/wmt_ge_rops.c | 2 +
include/asm-generic/fb.h | 101 ++++++++++++++++++++
include/linux/fb.h | 55 +----------
24 files changed, 187 insertions(+), 77 deletions(-)
--
2.40.1
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next reply other threads:[~2023-05-04 7:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-04 7:45 Thomas Zimmermann [this message]
2023-05-04 7:45 ` [PATCH v4 1/6] fbdev/matrox: Remove trailing whitespaces Thomas Zimmermann
2023-05-04 7:45 ` [PATCH v4 2/6] ipu-v3: Include <linux/io.h> Thomas Zimmermann
2023-05-04 7:45 ` [PATCH v4 3/6] fbdev: Include <linux/io.h> in various drivers Thomas Zimmermann
2023-05-04 7:45 ` [PATCH v4 4/6] fbdev: Include <linux/fb.h> instead of <asm/fb.h> Thomas Zimmermann
2023-05-04 15:37 ` Sam Ravnborg
2023-05-05 7:02 ` Thomas Zimmermann
2023-05-04 7:45 ` [PATCH v4 5/6] fbdev: Move framebuffer I/O helpers into <asm/fb.h> Thomas Zimmermann
[not found] ` <d4930b1a-d79e-6deb-6683-f13bbe1170ff@189.cn>
2023-05-05 6:59 ` [v4,5/6] " Thomas Zimmermann
2023-05-04 7:45 ` [PATCH v4 6/6] fbdev: Rename fb_mem*() helpers Thomas Zimmermann
2023-05-04 8:08 ` [PATCH v4 0/6] fbdev: Move framebuffer I/O helpers to <asm/fb.h> Arnd Bergmann
2023-05-05 7:01 ` Thomas Zimmermann
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