drm/amdgpu: optionally enable GART debugfs file
Keeping the pages array around can use a lot of system memory
when you want a large GART.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig
index b30fcfa..7335c04 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -15,3 +15,13 @@
help
This option selects CONFIG_MMU_NOTIFIER if it isn't already
selected to enabled full userptr support.
+
+config DRM_AMDGPU_GART_DEBUGFS
+ bool "Allow GART access through debugfs"
+ depends on DRM_AMDGPU
+ depends on DEBUG_FS
+ default n
+ help
+ Selecting this option creates a debugfs file to inspect the mapped
+ pages. Uses more memory for housekeeping, enable only for debugging.
+