[PATCH v2 17/23] drm/shmobile: Use GEM CMA object functions

Thomas Zimmermann tzimmermann at suse.de
Wed Jun 3 18:31:26 AEST 2020


The shmobile driver uses the default implementation for CMA functions.
The DRM_GEM_CMA_DRIVER_OPS macro now sets these defaults in struct
drm_driver.

Using DRM_GEM_CMA_DRIVER_OPS introduces several changes: 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.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Acked-by: Emil Velikov <emil.velikov at collabora.com>
---
 drivers/gpu/drm/shmobile/shmob_drm_drv.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
index ae9d6b8d3ca87..26a15c214bd3f 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
@@ -131,16 +131,7 @@ DEFINE_DRM_GEM_CMA_FOPS(shmob_drm_fops);
 static struct drm_driver shmob_drm_driver = {
 	.driver_features	= DRIVER_GEM | DRIVER_MODESET,
 	.irq_handler		= shmob_drm_irq,
-	.gem_free_object_unlocked = drm_gem_cma_free_object,
-	.gem_vm_ops		= &drm_gem_cma_vm_ops,
-	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd,
-	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle,
-	.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,
-	.dumb_create		= drm_gem_cma_dumb_create,
+	DRM_GEM_CMA_DRIVER_OPS,
 	.fops			= &shmob_drm_fops,
 	.name			= "shmob-drm",
 	.desc			= "Renesas SH Mobile DRM",
-- 
2.26.2



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