On 6/18/19 12:54 PM, Emil Velikov wrote:
Hi Thomas,
On 2019/06/18, Thomas Hellström (VMware) wrote:
From: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
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@xxxxxxxxxx>
Reviewed-by: Deepak Rawat <drawat@xxxxxxxxxx>
Fwiw patches 1-3 are:
Reviewed-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
Patch 4 is:
Acked-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
Huge thanks for sorting this out.
Emil
Thanks for reviewing, Emil.
/Thomas
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