diff mbox series

[v2,6/7] drm/xe: Hack to test with mapped pages instead of vram.

Message ID 20241204134410.1161769-7-dev@lankhorst.se (mailing list archive)
State New, archived
Headers show
Series kernel/cgroups: Add "dmem" memory accounting cgroup. | expand

Commit Message

Maarten Lankhorst Dec. 4, 2024, 1:44 p.m. UTC 
We will probably want to make this a proper region in TTM for
everything, so that we can charge VRAM twice, once for mapped
in sysmem, once for mapped in vram. That way we don't need to
deal with evict failing from lack of available memory in mapped.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
---
 drivers/gpu/drm/xe/xe_ttm_sys_mgr.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c b/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c
index 9844a8edbfe19..5450caaef52ad 100644
--- a/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c
@@ -11,6 +11,7 @@ 
 #include <drm/ttm/ttm_placement.h>
 #include <drm/ttm/ttm_range_manager.h>
 #include <drm/ttm/ttm_tt.h>
+#include <drm/drm_drv.h>
 
 #include "xe_bo.h"
 #include "xe_gt.h"
@@ -112,6 +113,10 @@  int xe_ttm_sys_mgr_init(struct xe_device *xe)
 	/* TTM limits allocation of all TTM devices by 50% of system memory */
 	gtt_size /= 2;
 
+	man->cg = drmm_cgroup_register_region(&xe->drm, "mapped", gtt_size);
+	if (IS_ERR(man->cg))
+		return PTR_ERR(man->cg);
+
 	man->use_tt = true;
 	man->func = &xe_ttm_sys_mgr_func;
 	ttm_resource_manager_init(man, &xe->ttm, gtt_size >> PAGE_SHIFT);