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

[Emil Velikov]

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