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Subject[PATCH v2 1/2] drm: Add DRM_GEM_FOPS
Date
From: Rob Clark <robdclark@chromium.org>

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

Signed-off-by: Rob Clark <robdclark@chromium.org>
---
include/drm/drm_gem.h | 26 ++++++++++++++++++--------
1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 9d7c61a122dc..dc88d4a2cdf6 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -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.
+ */
+#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);
--
2.36.1
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