drm/dp: Define more downstream facing port caps

Our definitions for the DPCD DFP capabilities are lacking.
Add the missing bits.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200904115354.25336-5-ville.syrjala@linux.intel.com
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 17d32d7..86461a4 100644 (file)
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -386,12 +386,18 @@
 # define DP_DS_PORT_TYPE_WIRELESS           6
 # define DP_DS_PORT_HPD                            (1 << 3)
 /* offset 1 for VGA is maximum megapixels per second / 8 */
-/* offset 2 */
+/* offset 1 for DVI/HDMI is maximum TMDS clock in Mbps / 2.5 */
+/* offset 2 for VGA/DVI/HDMI */
 # define DP_DS_MAX_BPC_MASK                (3 << 0)
 # define DP_DS_8BPC                        0
 # define DP_DS_10BPC                       1
 # define DP_DS_12BPC                       2
 # define DP_DS_16BPC                       3
+/* offset 3 for DVI */
+# define DP_DS_DVI_DUAL_LINK               (1 << 1)
+# define DP_DS_DVI_HIGH_COLOR_DEPTH        (1 << 2)
+/* offset 3 for HDMI */
+# define DP_DS_HDMI_FRAME_SEQ_TO_FRAME_PACK (1 << 0)
 
 #define DP_MAX_DOWNSTREAM_PORTS                    0x10