[PATCH v9 10/42] drm/msm: Don't close VMAs on purge

[Rob Clark]

From: Rob Clark <robdclark at chromium.org>

Previously we'd also tear down the VMA, making the address space
available again.  But with drm_gpuvm conversion, this would require
holding the locks of all VMs the GEM object is mapped in.  Which is
problematic for the shrinker.

Instead just let the VMA hang around until the GEM object is freed.

Signed-off-by: Rob Clark <robdclark at chromium.org>
Signed-off-by: Rob Clark <robin.clark at oss.qualcomm.com>
Tested-by: Antonino Maniscalco <antomani103 at gmail.com>
Reviewed-by: Antonino Maniscalco <antomani103 at gmail.com>
---
 drivers/gpu/drm/msm/msm_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 7b0430628834..a20ae783f244 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -755,7 +755,7 @@ void msm_gem_purge(struct drm_gem_object *obj)
 	GEM_WARN_ON(!is_purgeable(msm_obj));
 
 	/* Get rid of any iommu mapping(s): */
-	put_iova_spaces(obj, true);
+	put_iova_spaces(obj, false);
 
 	msm_gem_vunmap(obj);
 
-- 
2.50.0