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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-16 12:01:42 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-16 12:01:42 -0400
commit8626e4a42675ff9903f7d4fbf14d8ebc11b5926c (patch)
treec631dfe2854cb1382a5d8f5aa11b071762ddf27d /drivers/gpu/drm/drm_edid.c
parenta8d8f02cf0c379693762107afe812b9e52090e39 (diff)
parent9249e17fe094d853d1ef7475dd559a2cc7e23d42 (diff)
Merge commit '9249e17fe094d853d1ef7475dd559a2cc7e23d42' into nfs-for-3.6
Resolve conflicts with the VFS atomic open and sget changes. Conflicts: fs/nfs/nfs4proc.c
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 5873e481e5d..a8743c399e8 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1039,6 +1039,24 @@ mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
return true;
}
+static bool valid_inferred_mode(const struct drm_connector *connector,
+ const struct drm_display_mode *mode)
+{
+ struct drm_display_mode *m;
+ bool ok = false;
+
+ list_for_each_entry(m, &connector->probed_modes, head) {
+ if (mode->hdisplay == m->hdisplay &&
+ mode->vdisplay == m->vdisplay &&
+ drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
+ return false; /* duplicated */
+ if (mode->hdisplay <= m->hdisplay &&
+ mode->vdisplay <= m->vdisplay)
+ ok = true;
+ }
+ return ok;
+}
+
static int
drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
struct detailed_timing *timing)
@@ -1048,7 +1066,8 @@ drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
struct drm_device *dev = connector->dev;
for (i = 0; i < drm_num_dmt_modes; i++) {
- if (mode_in_range(drm_dmt_modes + i, edid, timing)) {
+ if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
+ valid_inferred_mode(connector, drm_dmt_modes + i)) {
newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
if (newmode) {
drm_mode_probed_add(connector, newmode);
@@ -1088,7 +1107,8 @@ drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
return modes;
fixup_mode_1366x768(newmode);
- if (!mode_in_range(newmode, edid, timing)) {
+ if (!mode_in_range(newmode, edid, timing) ||
+ !valid_inferred_mode(connector, newmode)) {
drm_mode_destroy(dev, newmode);
continue;
}
@@ -1116,7 +1136,8 @@ drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
return modes;
fixup_mode_1366x768(newmode);
- if (!mode_in_range(newmode, edid, timing)) {
+ if (!mode_in_range(newmode, edid, timing) ||
+ !valid_inferred_mode(connector, newmode)) {
drm_mode_destroy(dev, newmode);
continue;
}