The stm driver uses the default implementation for CMA functions; except for the .dumb_create callback. The DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() macro now sets these defaults and .dumb_create in struct drm_driver.
By using DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() the driver now sets .gem_create_object to drm_cma_gem_create_object_default_funcs(), which sets CMA GEM object functions. GEM object functions implement the rsp operations where possible. Corresponding interfaces in struct drm_driver are cleared. Prime import now uses drm_gem_cma_prime_import_sg_table_vmap(), which maps the imported buffer upon import. Mmap operations are performed by drm_gem_prime_mmap(), which goes through GEM file operations. These changes have been part of the aspeed driver for some time.
v2: * update for DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de Reviewed-by: Philippe Cornu philippe.cornu@st.com Acked-by: Emil Velikov emil.velikov@collabora.com --- drivers/gpu/drm/stm/drv.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 0f85dd86cafa7..411103f013e25 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -62,16 +62,7 @@ static struct drm_driver drv_driver = { .minor = 0, .patchlevel = 0, .fops = &drv_driver_fops, - .dumb_create = stm_gem_cma_dumb_create, - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_free_object_unlocked = drm_gem_cma_free_object, - .gem_vm_ops = &drm_gem_cma_vm_ops, - .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, - .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, - .gem_prime_vmap = drm_gem_cma_prime_vmap, - .gem_prime_vunmap = drm_gem_cma_prime_vunmap, - .gem_prime_mmap = drm_gem_cma_prime_mmap, + DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(stm_gem_cma_dumb_create), };
static int drv_load(struct drm_device *ddev)