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Diffstat (limited to 'include/drm/drm_dp_helper.h')
-rw-r--r--include/drm/drm_dp_helper.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 05cc31b5db16..2a3843f248cf 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -123,8 +123,9 @@
# define DP_FRAMING_CHANGE_CAP (1 << 1)
# define DP_DPCD_DISPLAY_CONTROL_CAPABLE (1 << 3) /* edp v1.2 or higher */
-#define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* XXX 1.2? */
-# define DP_TRAINING_AUX_RD_MASK 0x7F /* XXX 1.2? */
+#define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* XXX 1.2? */
+# define DP_TRAINING_AUX_RD_MASK 0x7F /* DP 1.3 */
+# define DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT (1 << 7) /* DP 1.3 */
#define DP_ADAPTER_CAP 0x00f /* 1.2 */
# define DP_FORCE_LOAD_SENSE_CAP (1 << 0)
@@ -1260,12 +1261,12 @@ int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc,
*/
enum drm_dp_quirk {
/**
- * @DP_DPCD_QUIRK_LIMITED_M_N:
+ * @DP_DPCD_QUIRK_CONSTANT_N:
*
* The device requires main link attributes Mvid and Nvid to be limited
- * to 16 bits.
+ * to 16 bits. So will give a constant value (0x8000) for compatability.
*/
- DP_DPCD_QUIRK_LIMITED_M_N,
+ DP_DPCD_QUIRK_CONSTANT_N,
};
/**