From abd4e745ffc4d762b0ed4eada9ff732d8861174d Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Wed, 7 Aug 2019 10:52:47 -0400 Subject: [PATCH] Revert "drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset()" This reverts commit 220df83a5394fbf7c1486ba7848794b7b351d598. Turns out drm_gem_dumb_map_offset really only worked for the dumb buffer case, so revert the name change. Signed-off-by: Rob Herring Signed-off-by: Sean Paul Link: https://patchwork.freedesktop.org/patch/msgid/20190807145253.2037-2-sean@poorly.run --- drivers/gpu/drm/drm_dumb_buffers.c | 4 ++-- drivers/gpu/drm/drm_gem.c | 10 +++------- drivers/gpu/drm/exynos/exynos_drm_gem.c | 3 ++- include/drm/drm_gem.h | 4 ++-- 4 files changed, 9 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/drm_dumb_buffers.c b/drivers/gpu/drm/drm_dumb_buffers.c index b55cfc9e8772..d18a740fe0f1 100644 --- a/drivers/gpu/drm/drm_dumb_buffers.c +++ b/drivers/gpu/drm/drm_dumb_buffers.c @@ -48,7 +48,7 @@ * To support dumb objects drivers must implement the &drm_driver.dumb_create * operation. &drm_driver.dumb_destroy defaults to drm_gem_dumb_destroy() if * not set and &drm_driver.dumb_map_offset defaults to - * drm_gem_map_offset(). See the callbacks for further details. + * drm_gem_dumb_map_offset(). See the callbacks for further details. * * Note that dumb objects may not be used for gpu acceleration, as has been * attempted on some ARM embedded platforms. Such drivers really must have @@ -127,7 +127,7 @@ int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, args->handle, &args->offset); else - return drm_gem_map_offset(file_priv, dev, args->handle, + return drm_gem_dumb_map_offset(file_priv, dev, args->handle, &args->offset); } diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 8cbfd60e09c0..afc38cece3f5 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -298,7 +298,7 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle) EXPORT_SYMBOL(drm_gem_handle_delete); /** - * drm_gem_map_offset - return the fake mmap offset for a gem object + * drm_gem_dumb_map_offset - return the fake mmap offset for a gem object * @file: drm file-private structure containing the gem object * @dev: corresponding drm_device * @handle: gem object handle @@ -307,14 +307,10 @@ EXPORT_SYMBOL(drm_gem_handle_delete); * This implements the &drm_driver.dumb_map_offset kms driver callback for * drivers which use gem to manage their backing storage. * - * It can also be used by drivers using GEM BO implementations which - * have same restriction that imported objects cannot be mapped. The - * shmem backend is one example. - * * Returns: * 0 on success or a negative error code on failure. */ -int drm_gem_map_offset(struct drm_file *file, struct drm_device *dev, +int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, u32 handle, u64 *offset) { struct drm_gem_object *obj; @@ -340,7 +336,7 @@ out: return ret; } -EXPORT_SYMBOL_GPL(drm_gem_map_offset); +EXPORT_SYMBOL_GPL(drm_gem_dumb_map_offset); /** * drm_gem_dumb_destroy - dumb fb callback helper for gem based drivers diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index bf0ad8e5a02b..d734d9d51762 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -273,7 +273,8 @@ int exynos_drm_gem_map_ioctl(struct drm_device *dev, void *data, { struct drm_exynos_gem_map *args = data; - return drm_gem_map_offset(file_priv, dev, args->handle, &args->offset); + return drm_gem_dumb_map_offset(file_priv, dev, args->handle, + &args->offset); } struct exynos_drm_gem *exynos_drm_gem_get(struct drm_file *filp, diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 0d6445fa9541..ae693c0666cd 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -401,8 +401,8 @@ int drm_gem_fence_array_add(struct xarray *fence_array, int drm_gem_fence_array_add_implicit(struct xarray *fence_array, struct drm_gem_object *obj, bool write); -int drm_gem_map_offset(struct drm_file *file, struct drm_device *dev, - u32 handle, u64 *offset); +int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, + u32 handle, u64 *offset); int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, uint32_t handle);