[PATCH v3 7/7] drm/msm: Add memory stats to fdinfo

Rob Clark
2023-04-11T22:58:30Z

From: Rob Clark <robdclark@chromium.org>

Use the new helper to export stats about memory usage.

v2: Drop unintended hunk
v3: Rebase

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
---
drivers/gpu/drm/msm/msm_gem.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index db6c4e281d75..c32264234ea1 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -1096,6 +1096,20 @@ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
return ret;
}

+static enum drm_gem_object_status msm_gem_status(struct drm_gem_object *obj)
+{
+ struct msm_gem_object *msm_obj = to_msm_bo(obj);
+ enum drm_gem_object_status status = 0;
+
+ if (msm_obj->pages)
+ status |= DRM_GEM_OBJECT_RESIDENT;
+
+ if (msm_obj->madv == MSM_MADV_DONTNEED)
+ status |= DRM_GEM_OBJECT_PURGEABLE;
+
+ return status;
+}
+
static const struct vm_operations_struct vm_ops = {
.fault = msm_gem_fault,
.open = drm_gem_vm_open,
@@ -1110,6 +1124,7 @@ static const struct drm_gem_object_funcs msm_gem_object_funcs = {
.vmap = msm_gem_prime_vmap,
.vunmap = msm_gem_prime_vunmap,
.mmap = msm_gem_object_mmap,
+ .status = msm_gem_status,
.vm_ops = &vm_ops,
};

--
2.39.2