From: Daniel Vetter <daniel@ffwll.ch>
To: Jani Nikula <jani.nikula@intel.com>
Cc: linux-fbdev@vger.kernel.org, intel-gfx@lists.freedesktop.org,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 05/13] video: fbdev: vesafb: modify the static fb_ops directly
Date: Wed, 27 Nov 2019 18:23:24 +0000 [thread overview]
Message-ID: <20191127182324.GL406127@phenom.ffwll.local> (raw)
In-Reply-To: <07acc8c8ef93f36103c7a13dc98e12790c2847df.1574871797.git.jani.nikula@intel.com>
On Wed, Nov 27, 2019 at 06:32:01PM +0200, Jani Nikula wrote:
> Avoid modifying the fb_ops via info->fbops to let us make the pointer
> const in the future.
>
> Cc: linux-fbdev@vger.kernel.org
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> ---
> drivers/video/fbdev/vesafb.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c
> index d9c08f6c2155..a1fe24ea869b 100644
> --- a/drivers/video/fbdev/vesafb.c
> +++ b/drivers/video/fbdev/vesafb.c
> @@ -447,15 +447,15 @@ static int vesafb_probe(struct platform_device *dev)
> vesafb_fix.smem_start, info->screen_base,
> size_remap/1024, size_total/1024);
>
> + if (!ypan)
> + vesafb_ops.fb_pan_display = NULL;
vesafb at least has a guarantee that there's only ever one ...
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> +
> info->fbops = &vesafb_ops;
> info->var = vesafb_defined;
> info->fix = vesafb_fix;
> info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE |
> (ypan ? FBINFO_HWACCEL_YPAN : 0);
>
> - if (!ypan)
> - info->fbops->fb_pan_display = NULL;
> -
> if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
> err = -ENOMEM;
> goto err;
> --
> 2.20.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
next prev parent reply other threads:[~2019-11-27 18:23 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 16:31 [PATCH 00/13] video, drm: constify fbops in struct fb_info Jani Nikula
2019-11-27 16:31 ` [PATCH 01/13] video: fb_defio: preserve user fb_ops Jani Nikula
2019-11-27 17:01 ` Ville Syrjälä
2019-11-27 18:09 ` [Intel-gfx] " Daniel Vetter
2019-11-27 18:17 ` Daniel Vetter
2019-11-27 18:21 ` Daniel Vetter
2019-11-28 9:09 ` Jani Nikula
2019-11-28 10:05 ` Daniel Vetter
2019-11-28 10:08 ` Daniel Vetter
2019-11-28 10:34 ` Jani Nikula
2019-11-27 16:31 ` [PATCH 02/13] drm/fb-helper: don't preserve fb_ops across deferred IO use Jani Nikula
2019-11-27 18:18 ` [Intel-gfx] " Daniel Vetter
2019-11-28 11:31 ` Noralf Trønnes
2019-11-28 12:05 ` [Intel-gfx] " Jani Nikula
2019-11-28 14:03 ` Noralf Trønnes
2019-11-27 16:31 ` [PATCH 03/13] video: smscufx: don't restore fb_mmap after deferred IO cleanup Jani Nikula
2019-11-27 18:20 ` [Intel-gfx] " Daniel Vetter
2019-11-27 16:32 ` [PATCH 04/13] video: udlfb: " Jani Nikula
2019-11-27 18:22 ` Daniel Vetter
2019-11-27 16:32 ` [PATCH 05/13] video: fbdev: vesafb: modify the static fb_ops directly Jani Nikula
2019-11-27 18:23 ` Daniel Vetter [this message]
2019-11-27 16:32 ` [PATCH 06/13] video: fbmem: use const pointer for fb_ops Jani Nikula
2019-11-27 16:32 ` [PATCH 07/13] video: omapfb: " Jani Nikula
2019-11-27 16:32 ` [PATCH 08/13] video: fbdev: make fbops member of struct fb_info a const pointer Jani Nikula
2019-11-28 9:36 ` kbuild test robot
2019-11-28 10:46 ` kbuild test robot
2019-11-27 16:32 ` [PATCH 09/13] drm: constify fb ops across all drivers Jani Nikula
2019-11-27 16:32 ` [PATCH 10/13] video: " Jani Nikula
2019-11-27 16:32 ` [PATCH 11/13] HID: picoLCD: constify fb ops Jani Nikula
2019-11-27 16:32 ` [PATCH 12/13] media: constify fb ops across all drivers Jani Nikula
2019-11-27 16:32 ` [PATCH 13/13] samples: vfio-mdev: constify fb ops Jani Nikula
2019-11-27 18:29 ` Daniel Vetter
2019-11-28 9:22 ` Jani Nikula
2019-11-28 10:11 ` Daniel Vetter
2019-11-28 8:31 ` Christophe de Dinechin
2019-11-28 10:35 ` Jani Nikula
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