[igt-dev] [PATCH v2 0/2] tests/fbdev: Additional tests for resolution and panning

[Thomas Zimmermann]

Ping! If there are no further comments, could this patchset please be 
added to the igt tests?

Best regards
Thomas

Am 14.10.21 um 15:45 schrieb Thomas Zimmermann:
> Add addtional tests for resolution and panning operations on fbdev
> devices. Succeed on successful operations. Fail on invalid operations
> or state.
> 
> DRM's simpledrm driver exposed a bug in DRM's fbdev overallocation code,
> [1] which is required for fbdev page flipping. The new test cases intent
> to test panning and page flipping, and detect such issues early.
> 
> Tested with the current simpledrm and a hacked version that supports fbdev
> overallocation. This will also help to implement the panning functionality
> for real in simpledrm and other drivers.
> 
> v2:
> 	* test horizontal resolution against line length (Ville)
> 	* respect FB_VMODE_YWRAP (Ville)
> 	* respect {x,y}panstep (Ville)
> 
> [1] https://lore.kernel.org/dri-devel/20211005070355.7680-1-tzimmermann@suse.de/
> 
> Thomas Zimmermann (2):
>    tests/fbdev: Test for validity of video mode settings
>    tests/fbdev: Add tests for display panning
> 
>   tests/fbdev.c | 184 +++++++++++++++++++++++++++++++++++++++++++++++---
>   1 file changed, 176 insertions(+), 8 deletions(-)
> 
> --
> 2.33.0
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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