[PATCH 1/4] drm/vmwgfx: Assign eviction priorities to resources

[Thomas Hellstrom]

On 6/18/19 12:54 PM, Emil Velikov wrote:
> Hi Thomas,
>
> On 2019/06/18, Thomas Hellström (VMware) wrote:
>> From: Thomas Hellstrom <thellstrom at vmware.com>
>>
>> TTM provides a means to assign eviction priorities to buffer object. This
>> means that all buffer objects with a lower priority will be evicted first
>> on memory pressure.
>> Use this to make sure surfaces and in particular non-dirty surfaces are
>> evicted first. Evicting in particular shaders, cotables and contexts imply
>> a significant performance hit on vmwgfx, so make sure these resources are
>> evicted last.
>> Some buffer objects are sub-allocated in user-space which means we can have
>> many resources attached to a single buffer object or resource. In that case
>> the buffer object is given the highest priority of the attached resources.
>>
>> Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
>> Reviewed-by: Deepak Rawat <drawat at vmware.com>
> Fwiw patches 1-3 are:
> Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
>
> Patch 4 is:
> Acked-by: Emil Velikov <emil.velikov at collabora.com>
>
> Huge thanks for sorting this out.
> Emil

Thanks for reviewing, Emil.

/Thomas