From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: javierm@redhat.com, deller@gmx.de, linux-fbdev@vger.kernel.org,
dri-devel@lists.freedesktop.org,
Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
Teddy Wang <teddy.wang@siliconmotion.com>,
linux-staging@lists.linux.dev
Subject: Re: [PATCH v2 26/32] staging/sm750fb: Initialize fb_ops with fbdev macros
Date: Mon, 27 Nov 2023 13:30:07 +0000 [thread overview]
Message-ID: <2023112700-pulp-framing-806e@gregkh> (raw)
In-Reply-To: <20231127131655.4020-27-tzimmermann@suse.de>
On Mon, Nov 27, 2023 at 02:15:55PM +0100, Thomas Zimmermann wrote:
> Initialize all instances of struct fb_ops with fbdev initializer
> macros for framebuffers in I/O address space. Set the read/write,
> draw and mmap callbacks to the correct implementation and avoid
> implicit defaults. Also select the necessary helpers in Kconfig.
>
> Fbdev drivers sometimes rely on the callbacks being NULL for a
> default I/O-memory-based implementation to be invoked; hence
> requiring the I/O helpers to be built in any case. Setting all
> callbacks in all drivers explicitly will allow to make the I/O
> helpers optional. This benefits systems that do not use these
> functions.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
> Cc: Teddy Wang <teddy.wang@siliconmotion.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: linux-staging@lists.linux.dev
> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2023-11-27 13:54 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-27 13:15 [PATCH v2 00/32] fbdev: Modularize helpers for struct fb_ops Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 01/32] fbdev/acornfb: Fix name of fb_ops initializer macro Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 02/32] fbdev/sm712fb: Use correct initializer macros for struct fb_ops Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 03/32] fbdev/vfb: Set FBINFO_VIRTFB flag Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 04/32] fbdev/vfb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 05/32] fbdev/arcfb: Set FBINFO_VIRTFB flag Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 06/32] fbdev/arcfb: Use generator macros for deferred I/O Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 07/32] auxdisplay/cfag12864bfb: Set FBINFO_VIRTFB flag Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 08/32] auxdisplay/cfag12864bfb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 09/32] auxdisplay/ht16k33: Set FBINFO_VIRTFB flag Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 10/32] auxdisplay/ht16k33: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 11/32] hid/picolcd_fb: Set FBINFO_VIRTFB flag Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 12/32] fbdev/sh_mobile_lcdcfb: " Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 13/32] fbdev/sh_mobile_lcdcfb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 14/32] fbdev/smscufx: Select correct helpers Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 15/32] fbdev/udlfb: " Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 16/32] fbdev/au1200fb: Set FBINFO_VIRTFB flag Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 17/32] fbdev/au1200fb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 18/32] fbdev/ps3fb: Set FBINFO_VIRTFB flag Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 19/32] fbdev/ps3fb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 20/32] media/ivtvfb: Initialize fb_ops to fbdev I/O-memory helpers Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 21/32] fbdev/clps711x-fb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 22/32] fbdev/vt8500lcdfb: " Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 23/32] fbdev/wm8505fb: Initialize fb_ops to fbdev I/O-memory helpers Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 24/32] fbdev/cyber2000fb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 25/32] staging/sm750fb: Declare fb_ops as constant Thomas Zimmermann
2023-11-27 13:29 ` Greg Kroah-Hartman
2023-11-27 13:15 ` [PATCH v2 26/32] staging/sm750fb: Initialize fb_ops with fbdev macros Thomas Zimmermann
2023-11-27 13:30 ` Greg Kroah-Hartman [this message]
2023-11-27 13:15 ` [PATCH v2 27/32] fbdev: Rename FB_SYS_FOPS token to FB_SYSMEM_FOPS Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 28/32] fbdev: Remove trailing whitespaces Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 29/32] fbdev: Push pgprot_decrypted() into mmap implementations Thomas Zimmermann
2023-11-27 13:15 ` [PATCH v2 30/32] fbdev: Move default fb_mmap code into helper function Thomas Zimmermann
2023-11-27 13:16 ` [PATCH v2 31/32] fbdev: Warn on incorrect framebuffer access Thomas Zimmermann
2023-11-27 13:16 ` [PATCH v2 32/32] fbdev: Remove default file-I/O implementations Thomas Zimmermann
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