linux-kernel - Re: [RFC 1/3] fbdev: hyperv_fb: Remove hyperv

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Message-ID: <cb823314-f7e4-45ee-bd10-22fcae300a68@linux.microsoft.com>
Date: Thu, 11 Sep 2025 21:53:27 +0530
From: Prasanna Kumar T S M <ptsm@...ux.microsoft.com>
To: Thomas Zimmermann <tzimmermann@...e.de>, deller@....de, arnd@...db.de,
 soci@....rulez.org, gonzalo.silvalde@...il.com, rdunlap@...radead.org,
 bartosz.golaszewski@...aro.org, wei.liu@...nel.org, mhklinux@...look.com,
 ssengar@...ux.microsoft.com, linux-kernel@...r.kernel.org,
 linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [RFC 1/3] fbdev: hyperv_fb: Remove hyperv_fb driver

Hi Thomas,

On 10-09-2025 15:06, Thomas Zimmermann wrote:
> Hi
> 
> Am 09.09.25 um 18:58 schrieb Prasanna Kumar T S M:
>> The Hyper-V DRM driver is available since kernel version 5.14 and
>> provides full KMS support along with fbdev emulation via the DRM fbdev
>> helpers. This makes the hyperv_fb driver redundant, remove it.
> 
> I'm all for removing obsolete drivers. But hyperv_drm likely first needs 
> to merge the patch at https://lore.kernel.org/dri- 
> devel/20250904145806.430568-5-tzimmermann@...e.de/ It's been tested and 
> works well. If maintainers from Microsoft have a look at the patch 
> first, we could possibly land it fairly soon.
> 

I will test those patches on Hyper-V and share the result.

> Best regards
> Thomas
>