[Intel-gfx] [PATCH v3] drm/i915: Reinstate the mmap ioctl for some platforms

[Thomas Hellström]

On 6/28/21 12:59 PM, Matthew Auld wrote:
> On 28/06/2021 10:21, Thomas Hellström wrote:
>> Reinstate the mmap ioctl for all current integrated platforms.
>> The intention was really to have it disabled for discrete graphics
>> where we enforce a single mmap mode.
>>
>> This fixes media on rkl/adl.
>>
>> v2:
>> - Added a R-B.
>> - Fixed up the code comment a bit.
>> v3:
>> - Added an A-B.
>> - Point out in the commit message that there was an issue with media on
>>    rkl/adl.
>>
>> Fixes: 35cbd91eb541 ("drm/i915: Disable mmap ioctl for gen12+")
>> Signed-off-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
>> Reviewed-by: Matthew Auld <matthew.auld at intel.com>
>> Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>
>
> I already pushed v2 of this last week with the following amended:
>
> "This was reported to break ADL-P with the media stack, which was not 
> the intention. Although longer term we do still plan to sunset this 
> ioctl even for integrated, in favour of using mmap_offset instead."
>
Ah, OK.

Thanks.

Thomas