We will never try evicting things from VRAM for these resources anyway.
This affects TTM buffer uneviction logic, which would otherwise try to
move these buffers into VRAM (clashing with VRAM-only allocations).
Signed-off-by: Friedrich Vock <friedrich.vock@xxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 5834a95d680d9..85c10d8086188 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -127,6 +127,7 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
struct amdgpu_device *adev = amdgpu_ttm_adev(abo->tbo.bdev);
struct ttm_placement *placement = &abo->placement;
struct ttm_place *places = abo->placements;
+ bool skip_vram_busy = false;
u64 flags = abo->flags;
u32 c = 0;
@@ -156,6 +157,13 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
if (flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)
places[c].flags |= TTM_PL_FLAG_CONTIGUOUS;
c++;
+
+ /*
+ * If GTT is preferred by the buffer as well, don't try VRAM when it's
+ * busy.
+ */
+ if ((domain & abo->preferred_domains) & AMDGPU_GEM_DOMAIN_GTT)
+ skip_vram_busy = true;
}
if (domain & AMDGPU_GEM_DOMAIN_DOORBELL) {
@@ -223,6 +231,11 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
placement->num_busy_placement = c;
placement->busy_placement = places;
+
+ if (skip_vram_busy) {
+ --placement->num_busy_placement;
+ ++placement->busy_placement;
+ }
}
/**
--
2.44.0
