From: Paulo Zanoni <paulo.r.zan...@intel.com>
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.dodo...@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/drm_crtc.c | 39 +++++++++++++++++++--------------------
1 file changed, 19 insertions(+), 20 deletions(-)
>From the previous patch series sent, the only comment this patch had was this,
from Eugeni:
> Those two checks could probably be combined into one (< values || > values)
> for further simplification.
Answer:
Fixed. The new function was just copy-paste, but your suggestion is good.
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d3aaeb6..6014413 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3033,6 +3033,24 @@ 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)
{
@@ -3069,28 +3087,9 @@ 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)
--
1.7.10
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