| Message ID | 20201015123806.32416-3-tzimmermann@suse.de (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Support GEM object mappings from I/O memory | expand |
Am 15.10.20 um 14:37 schrieb Thomas Zimmermann: > The function drm_gem_cma_prime_vunmap() is empty. Remove it before > changing the interface to use struct drm_buf_map. > > Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> > --- > drivers/gpu/drm/drm_gem_cma_helper.c | 17 ----------------- > drivers/gpu/drm/vc4/vc4_bo.c | 1 - > include/drm/drm_gem_cma_helper.h | 1 - > 3 files changed, 19 deletions(-) > > diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c > index 2165633c9b9e..d527485ea0b7 100644 > --- a/drivers/gpu/drm/drm_gem_cma_helper.c > +++ b/drivers/gpu/drm/drm_gem_cma_helper.c > @@ -537,23 +537,6 @@ void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj) > } > EXPORT_SYMBOL_GPL(drm_gem_cma_prime_vmap); > > -/** > - * drm_gem_cma_prime_vunmap - unmap a CMA GEM object from the kernel's virtual > - * address space > - * @obj: GEM object > - * @vaddr: kernel virtual address where the CMA GEM object was mapped > - * > - * This function removes a buffer exported via DRM PRIME from the kernel's > - * virtual address space. This is a no-op because CMA buffers cannot be > - * unmapped from kernel space. Drivers using the CMA helpers should set this > - * as their &drm_gem_object_funcs.vunmap callback. > - */ > -void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr) > -{ > - /* Nothing to do */ > -} > -EXPORT_SYMBOL_GPL(drm_gem_cma_prime_vunmap); > - > static const struct drm_gem_object_funcs drm_gem_cma_default_funcs = { > .free = drm_gem_cma_free_object, > .print_info = drm_gem_cma_print_info, > diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c > index f432278173cd..557f0d1e6437 100644 > --- a/drivers/gpu/drm/vc4/vc4_bo.c > +++ b/drivers/gpu/drm/vc4/vc4_bo.c > @@ -387,7 +387,6 @@ static const struct drm_gem_object_funcs vc4_gem_object_funcs = { > .export = vc4_prime_export, > .get_sg_table = drm_gem_cma_prime_get_sg_table, > .vmap = vc4_prime_vmap, > - .vunmap = drm_gem_cma_prime_vunmap, > .vm_ops = &vc4_vm_ops, > }; > > diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h > index 2bfa2502607a..a064b0d1c480 100644 > --- a/include/drm/drm_gem_cma_helper.h > +++ b/include/drm/drm_gem_cma_helper.h > @@ -104,7 +104,6 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev, > int drm_gem_cma_prime_mmap(struct drm_gem_object *obj, > struct vm_area_struct *vma); > void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj); > -void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr); > > struct drm_gem_object * > drm_gem_cma_create_object_default_funcs(struct drm_device *dev, size_t size);
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index 2165633c9b9e..d527485ea0b7 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -537,23 +537,6 @@ void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj) } EXPORT_SYMBOL_GPL(drm_gem_cma_prime_vmap); -/** - * drm_gem_cma_prime_vunmap - unmap a CMA GEM object from the kernel's virtual - * address space - * @obj: GEM object - * @vaddr: kernel virtual address where the CMA GEM object was mapped - * - * This function removes a buffer exported via DRM PRIME from the kernel's - * virtual address space. This is a no-op because CMA buffers cannot be - * unmapped from kernel space. Drivers using the CMA helpers should set this - * as their &drm_gem_object_funcs.vunmap callback. - */ -void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr) -{ - /* Nothing to do */ -} -EXPORT_SYMBOL_GPL(drm_gem_cma_prime_vunmap); - static const struct drm_gem_object_funcs drm_gem_cma_default_funcs = { .free = drm_gem_cma_free_object, .print_info = drm_gem_cma_print_info, diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index f432278173cd..557f0d1e6437 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -387,7 +387,6 @@ static const struct drm_gem_object_funcs vc4_gem_object_funcs = { .export = vc4_prime_export, .get_sg_table = drm_gem_cma_prime_get_sg_table, .vmap = vc4_prime_vmap, - .vunmap = drm_gem_cma_prime_vunmap, .vm_ops = &vc4_vm_ops, }; diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h index 2bfa2502607a..a064b0d1c480 100644 --- a/include/drm/drm_gem_cma_helper.h +++ b/include/drm/drm_gem_cma_helper.h @@ -104,7 +104,6 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev, int drm_gem_cma_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj); -void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr); struct drm_gem_object * drm_gem_cma_create_object_default_funcs(struct drm_device *dev, size_t size);
The function drm_gem_cma_prime_vunmap() is empty. Remove it before changing the interface to use struct drm_buf_map. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> --- drivers/gpu/drm/drm_gem_cma_helper.c | 17 ----------------- drivers/gpu/drm/vc4/vc4_bo.c | 1 - include/drm/drm_gem_cma_helper.h | 1 - 3 files changed, 19 deletions(-)