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Re: [PATCH v2 16/21] drm/fb-helper: Call fb_sync in I/O functions
- To: Thomas Zimmermann <tzimmermann@xxxxxxx>, daniel@xxxxxxxx, airlied@xxxxxxxxx, sam@xxxxxxxxxxxx, mripard@xxxxxxxxxx, maarten.lankhorst@xxxxxxxxxxxxxxx
- From: Javier Martinez Canillas <javierm@xxxxxxxxxx>
- Date: Wed, 2 Nov 2022 10:05:02 +0100
- Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, linux-aspeed@xxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, etnaviv@xxxxxxxxxxxxxxxxxxxxx, linux-samsung-soc@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-mediatek@xxxxxxxxxxxxxxxxxxx, linux-amlogic@xxxxxxxxxxxxxxxxxxx, linux-arm-msm@xxxxxxxxxxxxxxx, freedreno@xxxxxxxxxxxxxxxxxxxxx, nouveau@xxxxxxxxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, spice-devel@xxxxxxxxxxxxxxxxxxxxx, linux-renesas-soc@xxxxxxxxxxxxxxx, linux-rockchip@xxxxxxxxxxxxxxxxxxx, linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx, linux-sunxi@xxxxxxxxxxxxxxx, linux-tegra@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 02 Nov 2022 09:05:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 10/24/22 13:19, Thomas Zimmermann wrote:
> Call struct fb_ops.fb_sync in drm_fbdev_{read,write}() to mimic the
> behavior of fbdev. Fbdev implementations of fb_read and fb_write in
> struct fb_ops invoke fb_sync to synchronize with outstanding operations
> before I/O. Doing the same in DRM implementations will allow us to use
> them throughout DRM drivers.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
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