From: Zack Rusin zackr@vmware.com
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@vmware.com --- 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: