drm/ttm: add io_mem_pfn callback
This allows the driver to handle io_mem mappings on their own.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index 7d1cab5..0fdedee 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -393,6 +393,7 @@ static struct ttm_bo_driver qxl_bo_driver = {
.verify_access = &qxl_verify_access,
.io_mem_reserve = &qxl_ttm_io_mem_reserve,
.io_mem_free = &qxl_ttm_io_mem_free,
+ .io_mem_pfn = ttm_bo_default_io_mem_pfn,
.move_notify = &qxl_bo_move_notify,
};
