Re: [PATCH v4 04/10] drm/exynos: Remove empty exynos_drm_gem_prime_{vmap,vunmap}()

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Am 15.10.20 um 14:38 schrieb Thomas Zimmermann:
The functions exynos_drm_gem_prime_{vmap,vunmap}() are empty. Remove
them before changing the interface to use struct drm_buf_map. As a side
effect of removing drm_gem_prime_vmap(), the error code changes from
ENOMEM to EOPNOTSUPP.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

Acked-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/gpu/drm/exynos/exynos_drm_gem.c | 12 ------------
  drivers/gpu/drm/exynos/exynos_drm_gem.h |  2 --
  2 files changed, 14 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index e7a6eb96f692..13a35623ac04 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -137,8 +137,6 @@ static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
  static const struct drm_gem_object_funcs exynos_drm_gem_object_funcs = {
  	.free = exynos_drm_gem_free_object,
  	.get_sg_table = exynos_drm_gem_prime_get_sg_table,
-	.vmap = exynos_drm_gem_prime_vmap,
-	.vunmap	= exynos_drm_gem_prime_vunmap,
  	.vm_ops = &exynos_drm_gem_vm_ops,
  };
@@ -471,16 +469,6 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
  	return &exynos_gem->base;
  }
-void *exynos_drm_gem_prime_vmap(struct drm_gem_object *obj)
-{
-	return NULL;
-}
-
-void exynos_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
-{
-	/* Nothing to do */
-}
-
  int exynos_drm_gem_prime_mmap(struct drm_gem_object *obj,
  			      struct vm_area_struct *vma)
  {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 74e926abeff0..a23272fb96fb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -107,8 +107,6 @@ struct drm_gem_object *
  exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
  				     struct dma_buf_attachment *attach,
  				     struct sg_table *sgt);
-void *exynos_drm_gem_prime_vmap(struct drm_gem_object *obj);
-void exynos_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
  int exynos_drm_gem_prime_mmap(struct drm_gem_object *obj,
  			      struct vm_area_struct *vma);




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