On Tue, Dec 16, 2014 at 06:05:30PM -0500, Rob Clark wrote:
> Keep property pointer, instead of id, in per mode-object attachments.
> This will simplify things in later patches.
>
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/drm_crtc.c | 17 ++++++++---------
> include/drm/drm_crtc.h | 7 ++++++-
> 2 files changed, 14 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 5ee4b88..2780a08 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -2105,12 +2105,11 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
> prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr);
> prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr);
> for (i = 0; i < connector->properties.count; i++) {
> - if (put_user(connector->properties.ids[i],
> - prop_ptr + copied)) {
> + struct drm_property *prop = connector->properties.properties[i];
> + if (put_user(prop->base.id, prop_ptr + copied)) {
> ret = -EFAULT;
> goto out;
> }
> -
> if (put_user(connector->properties.values[i],
> prop_values + copied)) {
> ret = -EFAULT;
> @@ -3822,7 +3821,7 @@ void drm_object_attach_property(struct drm_mode_object *obj,
> return;
> }
>
> - obj->properties->ids[count] = property->base.id;
> + obj->properties->properties[count] = property;
> obj->properties->values[count] = init_val;
> obj->properties->count++;
> }
> @@ -3847,7 +3846,7 @@ int drm_object_property_set_value(struct drm_mode_object *obj,
> int i;
>
> for (i = 0; i < obj->properties->count; i++) {
> - if (obj->properties->ids[i] == property->base.id) {
> + if (obj->properties->properties[i] == property) {
> obj->properties->values[i] = val;
> return 0;
> }
> @@ -3877,7 +3876,7 @@ int drm_object_property_get_value(struct drm_mode_object *obj,
> int i;
>
> for (i = 0; i < obj->properties->count; i++) {
> - if (obj->properties->ids[i] == property->base.id) {
> + if (obj->properties->properties[i] == property) {
> *val = obj->properties->values[i];
> return 0;
> }
> @@ -4413,8 +4412,8 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
> prop_values_ptr = (uint64_t __user *)(unsigned long)
> (arg->prop_values_ptr);
> for (i = 0; i < props_count; i++) {
> - if (put_user(obj->properties->ids[i],
> - props_ptr + copied)) {
> + struct drm_property *prop = obj->properties->properties[i];
> + if (put_user(prop->base.id, props_ptr + copied)) {
> ret = -EFAULT;
> goto out;
> }
> @@ -4472,7 +4471,7 @@ int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
> goto out;
>
> for (i = 0; i < arg_obj->properties->count; i++)
> - if (arg_obj->properties->ids[i] == arg->prop_id)
> + if (arg_obj->properties->properties[i]->base.id == arg->prop_id)
> break;
>
> if (i == arg_obj->properties->count)
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index b863298..02758e8 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -64,7 +64,12 @@ struct drm_mode_object {
> #define DRM_OBJECT_MAX_PROPERTY 24
> struct drm_object_properties {
> int count;
> - uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
> + /* 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
> + * dangling property pointers:
> + */
> + struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY];
> uint64_t values[DRM_OBJECT_MAX_PROPERTY];
> };
>
> --
> 2.1.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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