Commit 1981c35b authored by Rob Clark's avatar Rob Clark Committed by Dmitry Baryshkov
Browse files

drm: Add DRM_GEM_FOPS 



The DEFINE_DRM_GEM_FOPS() helper is a bit limiting if a driver wants to
provide additional file ops, like show_fdinfo().

v2: Split out DRM_GEM_FOPS instead of making DEFINE_DRM_GEM_FOPS
    varardic
v3: nits

Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Acked-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Patchwork: https://patchwork.freedesktop.org/patch/488904/
Link: https://lore.kernel.org/r/20220609174213.2265938-1-robdclark@gmail.com


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 6867c9af

include/drm/drm_gem.h

+18 −8
Original line number Diff line number Diff line
@@ -314,6 +314,23 @@ struct drm_gem_object { 
	const struct drm_gem_object_funcs *funcs;

};



/**

 * DRM_GEM_FOPS - Default drm GEM file operations

 *

 * This macro provides a shorthand for setting the GEM file ops in the

 * &file_operations structure.  If all you need are the default ops, use

 * DEFINE_DRM_GEM_FOPS instead.

 */

#define DRM_GEM_FOPS \

	.open		= drm_open,\

	.release	= drm_release,\

	.unlocked_ioctl	= drm_ioctl,\

	.compat_ioctl	= drm_compat_ioctl,\

	.poll		= drm_poll,\

	.read		= drm_read,\

	.llseek		= noop_llseek,\

	.mmap		= drm_gem_mmap



/**

 * DEFINE_DRM_GEM_FOPS() - macro to generate file operations for GEM drivers

 * @name: name for the generated structure
@@ -330,14 +347,7 @@ struct drm_gem_object { 
#define DEFINE_DRM_GEM_FOPS(name) \

	static const struct file_operations name = {\

		.owner		= THIS_MODULE,\

		.open		= drm_open,\

		.release	= drm_release,\

		.unlocked_ioctl	= drm_ioctl,\

		.compat_ioctl	= drm_compat_ioctl,\

		.poll		= drm_poll,\

		.read		= drm_read,\

		.llseek		= noop_llseek,\

		.mmap		= drm_gem_mmap,\

		DRM_GEM_FOPS,\

	}



void drm_gem_object_release(struct drm_gem_object *obj);