[PATCH] drm/amdgpu: Add cgroups implementation

[Natalie Vock]

From: Maarten Lankhorst <dev at lankhorst.se>

Similar to xe, enable some simple management of VRAM only.

Co-developed-by: Maxime Ripard <mripard at kernel.org>
Signed-off-by: Maxime Ripard <mripard at kernel.org>
Signed-off-by: Maarten Lankhorst <dev at lankhorst.se>
---

Resending this one since it got lost in the initial dmem cgroup
submission. Probably needs to be merged through drm-misc-next since
amd-staging-drm-next doesn't have dmem cgroups yet.

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index ff5e52025266c..7b86d7f9d5d56 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -24,6 +24,7 @@

 #include <linux/dma-mapping.h>
 #include <drm/ttm/ttm_range_manager.h>
+#include <drm/drm_drv.h>

 #include "amdgpu.h"
 #include "amdgpu_vm.h"
@@ -908,6 +909,9 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
 	struct ttm_resource_manager *man = &mgr->manager;
 	int err;

+	man->cg = drmm_cgroup_register_region(adev_to_drm(adev), "vram", adev->gmc.real_vram_size);
+	if (IS_ERR(man->cg))
+		return PTR_ERR(man->cg);
 	ttm_resource_manager_init(man, &adev->mman.bdev,
 				  adev->gmc.real_vram_size);


base-commit: 1822532477cb5f007313de4c70079c09aaa270d5
--
2.49.0