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drm: add 'count' to struct drm_object_properties 

This way, we don't need to count every time, so we're a little bit
faster and code is a little bit smaller.

Change suggested by Ville Syrjälä.

Reviewed-by: Rob Clark <rob.clark@linaro.org>
Tested-by: Rob Clark <rob.clark@linaro.org>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Paulo Zanoni 2012-05-15 18:09:04 -03:00 committed by Dave Airlie
parent 0057d8dd8d
commit 7f88a9bedf
2 changed files with 29 additions and 38 deletions
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66
drivers/gpu/drm/drm_crtc.c
View File

@ -1425,11 +1425,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
}
connector = obj_to_connector(obj);
for (i = 0; i < DRM_OBJECT_MAX_PROPERTY; i++) {
if (connector->properties.ids[i] != 0) {
props_count++;
}
}
props_count = connector->properties.count;
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
if (connector->encoder_ids[i] != 0) {
@ -1482,21 +1478,19 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
copied = 0;
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 < DRM_OBJECT_MAX_PROPERTY; i++) {
if (connector->properties.ids[i] != 0) {
if (put_user(connector->properties.ids[i],
prop_ptr + copied)) {
ret = -EFAULT;
goto out;
}
if (put_user(connector->properties.values[i],
prop_values + copied)) {
ret = -EFAULT;
goto out;
}
copied++;
for (i = 0; i < connector->properties.count; i++) {
if (put_user(connector->properties.ids[i],
prop_ptr + copied)) {
ret = -EFAULT;
goto out;
}
if (put_user(connector->properties.values[i],
prop_values + copied)) {
ret = -EFAULT;
goto out;
}
copied++;
}
}
out_resp->count_props = props_count;
@ -2845,19 +2839,19 @@ void drm_object_attach_property(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t init_val)
{
int i;
int count = obj->properties->count;
for (i = 0; i < DRM_OBJECT_MAX_PROPERTY; i++) {
if (obj->properties->ids[i] == 0) {
obj->properties->ids[i] = property->base.id;
obj->properties->values[i] = init_val;
return;
}
if (count == DRM_OBJECT_MAX_PROPERTY) {
WARN(1, "Failed to attach object property (type: 0x%x). Please "
"increase DRM_OBJECT_MAX_PROPERTY by 1 for each time "
"you see this message on the same object type.\n",
obj->type);
return;
}
WARN(1, "Failed to attach object property (type: 0x%x). Please "
"increase DRM_OBJECT_MAX_PROPERTY by 1 for each time you see "
"this message on the same object type.\n", obj->type);
obj->properties->ids[count] = property->base.id;
obj->properties->values[count] = init_val;
obj->properties->count++;
}
EXPORT_SYMBOL(drm_object_attach_property);
@ -2866,7 +2860,7 @@ int drm_object_property_set_value(struct drm_mode_object *obj,
{
int i;
for (i = 0; i < DRM_OBJECT_MAX_PROPERTY; i++) {
for (i = 0; i < obj->properties->count; i++) {
if (obj->properties->ids[i] == property->base.id) {
obj->properties->values[i] = val;
return 0;
@ -2882,7 +2876,7 @@ int drm_object_property_get_value(struct drm_mode_object *obj,
{
int i;
for (i = 0; i < DRM_OBJECT_MAX_PROPERTY; i++) {
for (i = 0; i < obj->properties->count; i++) {
if (obj->properties->ids[i] == property->base.id) {
*val = obj->properties->values[i];
return 0;
@ -3174,11 +3168,7 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
goto out;
}
/* Assume [ prop, 0, prop ] won't happen (if we ever delete properties,
* we need to remove the gap inside the array). */
for (props_count = 0; props_count < DRM_OBJECT_MAX_PROPERTY &&
obj->properties->ids[props_count] != 0; props_count++)
;
props_count = obj->properties->count;
/* This ioctl is called twice, once to determine how much space is
* needed, and the 2nd time to fill it. */
@ -3228,11 +3218,11 @@ int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
if (!arg_obj->properties)
goto out;
for (i = 0; i < DRM_OBJECT_MAX_PROPERTY; i++)
for (i = 0; i < arg_obj->properties->count; i++)
if (arg_obj->properties->ids[i] == arg->prop_id)
break;
if (i == DRM_OBJECT_MAX_PROPERTY)
if (i == arg_obj->properties->count)
goto out;
prop_obj = drm_mode_object_find(dev, arg->prop_id,

1
include/drm/drm_crtc.h
View File

@ -56,6 +56,7 @@ struct drm_mode_object {
#define DRM_OBJECT_MAX_PROPERTY 16
struct drm_object_properties {
int count;
uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
uint64_t values[DRM_OBJECT_MAX_PROPERTY];
};