From: Zack Rusin <zackr@xxxxxxxxxx>
Use the newly added TTM's ability to automatically create debugfs entries
for specified placements. This creates entries in /sys/kernel/debug/ttm/
that can be read to get information about various TTM resource
managers which are used by vmwgfx.
Signed-off-by: Zack Rusin <zackr@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index decd54b8333d..59d0d1cd564b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1630,6 +1630,13 @@ static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct vmw_private *vmw;
int ret;
+ const char * const ttm_placement_names[] = {
+ [TTM_PL_SYSTEM] = "system_ttm",
+ [TTM_PL_VRAM] = "vram_ttm",
+ [VMW_PL_GMR] = "gmr_ttm",
+ [VMW_PL_MOB] = "mob_ttm",
+ [VMW_PL_SYSTEM] = "system_mob_ttm"
+ };
ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &driver);
if (ret)
@@ -1657,6 +1664,9 @@ static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto out_unload;
vmw_debugfs_gem_init(vmw);
+ ttm_resource_manager_debugfs_init(&vmw->bdev,
+ ttm_placement_names,
+ ARRAY_SIZE(ttm_placement_names));
return 0;
out_unload:
--
2.32.0
