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authorPaulo Zanoni <paulo.r.zanoni@intel.com>2012-05-15 18:08:59 -0300
committerDave Airlie <airlied@redhat.com>2012-05-17 11:10:55 +0100
commit26a3481586eb1918a75d338e31c990deab06fb5b (patch)
tree7e3856ac64385eca73191936b20d3b5d2d070bd5 /drivers/gpu/drm/drm_crtc.c
parent4ab2c7f15423f313187b310a48ee0ac631c414f1 (diff)
downloadblackbird-op-linux-26a3481586eb1918a75d338e31c990deab06fb5b.tar.gz
blackbird-op-linux-26a3481586eb1918a75d338e31c990deab06fb5b.zip
drm: add drm_property_change_is_valid
Move code from drm_mode_connector_property_set_ioctl to a new function, so we can reuse this code when we add crtc properties. Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com> 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>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index ee63a123235c..0a22ef80d28e 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3074,6 +3074,24 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector,
}
EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
+static bool drm_property_change_is_valid(struct drm_property *property,
+ __u64 value)
+{
+ if (property->flags & DRM_MODE_PROP_IMMUTABLE)
+ return false;
+ if (property->flags & DRM_MODE_PROP_RANGE) {
+ if (value < property->values[0] || value > property->values[1])
+ return false;
+ return true;
+ } else {
+ int i;
+ for (i = 0; i < property->num_values; i++)
+ if (property->values[i] == value)
+ return true;
+ return false;
+ }
+}
+
int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
@@ -3110,28 +3128,9 @@ int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
}
property = obj_to_property(obj);
- if (property->flags & DRM_MODE_PROP_IMMUTABLE)
+ if (!drm_property_change_is_valid(property, out_resp->value))
goto out;
- if (property->flags & DRM_MODE_PROP_RANGE) {
- if (out_resp->value < property->values[0])
- goto out;
-
- if (out_resp->value > property->values[1])
- goto out;
- } else {
- int found = 0;
- for (i = 0; i < property->num_values; i++) {
- if (property->values[i] == out_resp->value) {
- found = 1;
- break;
- }
- }
- if (!found) {
- goto out;
- }
- }
-
/* Do DPMS ourselves */
if (property == connector->dev->mode_config.dpms_property) {
if (connector->funcs->dpms)
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