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path: root/drivers/gpu/drm/drm_modes.c
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Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
-rw-r--r--drivers/gpu/drm/drm_modes.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index a371ff865a88..a6729bfe6860 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -535,6 +535,8 @@ int drm_display_mode_from_videomode(const struct videomode *vm,
dmode->flags |= DRM_MODE_FLAG_INTERLACE;
if (vm->flags & DISPLAY_FLAGS_DOUBLESCAN)
dmode->flags |= DRM_MODE_FLAG_DBLSCAN;
+ if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)
+ dmode->flags |= DRM_MODE_FLAG_DBLCLK;
drm_mode_set_name(dmode);
return 0;
@@ -787,16 +789,17 @@ EXPORT_SYMBOL(drm_mode_set_crtcinfo);
* LOCKING:
* None.
*
- * Copy an existing mode into another mode, preserving the object id
- * of the destination mode.
+ * Copy an existing mode into another mode, preserving the object id and
+ * list head of the destination mode.
*/
void drm_mode_copy(struct drm_display_mode *dst, const struct drm_display_mode *src)
{
int id = dst->base.id;
+ struct list_head head = dst->head;
*dst = *src;
dst->base.id = id;
- INIT_LIST_HEAD(&dst->head);
+ dst->head = head;
}
EXPORT_SYMBOL(drm_mode_copy);
@@ -1017,6 +1020,11 @@ static int drm_mode_compare(void *priv, struct list_head *lh_a, struct list_head
diff = b->hdisplay * b->vdisplay - a->hdisplay * a->vdisplay;
if (diff)
return diff;
+
+ diff = b->vrefresh - a->vrefresh;
+ if (diff)
+ return diff;
+
diff = b->clock - a->clock;
return diff;
}