Parse 2D_VIC_order_X and 3D_Structure_X from the list at the end of the
HDMI Vendor Specific Data Block.
Signed-off-by: Thomas Wood <thomas.wood at intel.com>
---
drivers/gpu/drm/drm_edid.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 1dd82cd..eb6b363 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2808,6 +2808,56 @@ do_hdmi_vsdb_modes(struct drm_connector *connector,
const u8 *db, u8 len,
video_len, i);
}
+ if (hdmi_3d_len <= 4)
+ goto out;
+
+ offset += 4;
+
+ for (i = 0; i < (hdmi_3d_len - 4); i++) {
+ int vic_index;
+ struct drm_display_mode *newmode = NULL;
+ unsigned int newflag = 0;
+
+ if (((db[8 + offset + i] & 0x0f) > 7)
+ && (i + 1 == hdmi_3d_len - 4))
+ break;
+
+ /* 2D_VIC_order_X */
+ vic_index = db[8 + offset + i] >> 4;
+
+ /* 3D_Structure_X */
+ switch (db[8 + offset + i] & 0x0f) {
+ case 0:
+ newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
+ break;
+ case 6:
+ newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
+ break;
+ case 8:
+ if ((db[9 + offset + i] >> 4) == 1)
+ newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
+ break;
+ }
+
+ if (newflag != 0) {
+ newmode = drm_display_mode_from_vic_index(connector,
+ video_db,
+ video_len,
+ vic_index);
+
+ if (newmode) {
+ newmode->flags |= newflag;
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+
+ if ((db[8 + offset + i] & 0x0f) > 7) {
+ /* Optional 3D_Detail_X and reserved */
+ i++;
+ }
+ }
+
out:
return modes;
}
--
1.8.4.2
