[PATCH 4/9] drm: Remove drm_mode_object->atomic_count

Daniel Vetter
2016-08-17T20:56:19Z

It's only used in drm_mode_object_get_properties, and we can compute
it there directly with a bit of code shuffling.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/drm_mode_object.c | 31 ++++++++++++-------------------
include/drm/drm_mode_object.h | 2 +-
2 files changed, 13 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
index cef9104e8285..a92aeed51156 100644
--- a/drivers/gpu/drm/drm_mode_object.c
+++ b/drivers/gpu/drm/drm_mode_object.c
@@ -209,8 +209,6 @@ void drm_object_attach_property(struct drm_mode_object *obj,
obj->properties->properties[count] = property;
obj->properties->values[count] = init_val;
obj->properties->count++;
- if (property->flags & DRM_MODE_PROP_ATOMIC)
- obj->properties->atomic_count++;
}
EXPORT_SYMBOL(drm_object_attach_property);

@@ -288,35 +286,30 @@ int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
uint64_t __user *prop_values,
uint32_t *arg_count_props)
{
- int props_count;
- int i, ret, copied;
+ int i, ret, count;

- props_count = obj->properties->count;
- if (!atomic)
- props_count -= obj->properties->atomic_count;
+ for (i = 0, count = 0; i < obj->properties->count; i++) {
+ struct drm_property *prop = obj->properties->properties[i];
+ uint64_t val;

- if ((*arg_count_props >= props_count) && props_count) {
- for (i = 0, copied = 0; copied < props_count; i++) {
- struct drm_property *prop = obj->properties->properties[i];
- uint64_t val;
-
- if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic)
- continue;
+ if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic)
+ continue;

+ if (*arg_count_props > count) {
ret = drm_object_property_get_value(obj, prop, &val);
if (ret)
return ret;

- if (put_user(prop->base.id, prop_ptr + copied))
+ if (put_user(prop->base.id, prop_ptr + count))
return -EFAULT;

- if (put_user(val, prop_values + copied))
+ if (put_user(val, prop_values + count))
return -EFAULT;
-
- copied++;
}
+
+ count++;
}
- *arg_count_props = props_count;
+ *arg_count_props = count;

return 0;
}
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index c0e4414299f7..b8adb6425f2a 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -37,7 +37,7 @@ struct drm_mode_object {

#define DRM_OBJECT_MAX_PROPERTY 24
struct drm_object_properties {
- int count, atomic_count;
+ int count;
/* NOTE: if we ever start dynamically destroying properties (ie.
* not at drm_mode_config_cleanup() time), then we'd have to do
* a better job of detaching property from mode objects to avoid
--
2.8.1

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