[PATCH v2 0/6] drm/gud: Use the shadow plane helper

Noralf Trønnes noralf at tronnes.org
Thu Dec 1 10:00:44 UTC 2022



Den 01.12.2022 06.55, skrev Greg KH:
> On Wed, Nov 30, 2022 at 08:26:48PM +0100, Noralf Trønnes via B4 Submission Endpoint wrote:
>> Hi,
>>
>> I have started to look at igt for testing and want to use CRC tests. To
>> implement support for this I need to move away from the simple kms
>> helper.
>>
>> When looking around for examples I came across Thomas' nice shadow
>> helper and thought, yes this is perfect for drm/gud. So I'll switch to
>> that before I move away from the simple kms helper.
>>
>> The async framebuffer flushing code path now uses a shadow buffer and
>> doesn't touch the framebuffer when it shouldn't. I have also taken the
>> opportunity to inline the synchronous flush code path and make this the
>> default flushing stategy.
>>
>> Noralf.
>>
>> Cc: Maxime Ripard <mripard at kernel.org>
>> Cc: Thomas Zimmermann <tzimmermann at suse.de>
>> Cc: dri-devel at lists.freedesktop.org
>> Signed-off-by: Noralf Trønnes <noralf at tronnes.org>
>>
>> ---
>> Changes in v2:
>> - Drop patch (Thomas):
>>   drm/gem: shadow_fb_access: Prepare imported buffers for CPU access
>> - Use src as variable name for iosys_map (Thomas)
>> - Prepare imported buffer for CPU access in the driver (Thomas)
>> - New patch: make sync flushing the default (Thomas)
>> - Link to v1: https://lore.kernel.org/r/20221122-gud-shadow-plane-v1-0-9de3afa3383e@tronnes.org
> 
> <formletter>
> 
> This is not the correct way to submit patches for inclusion in the
> stable kernel tree.  Please read:
>     https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> for how to do this properly.
> 
> </formletter>

Care to elaborate?
Is it because stable got the whole patchset and not just the one fix
patch that cc'ed stable?

This patchset was sent using the b4 tool and I can't control this
aspect. Everyone mentioned in the patches gets the whole set.

Noralf.


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