Merge branch 'torvalds/master'

[firefly-linux-kernel-4.4.55.git] / include / drm / drm_dp_helper.h

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 0212d139a480909a216da244ffd8aadf6effa630..bb9d0deca07cc30d0a031cf8ffd3b522b3318d8b 100644 (file)
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -46,7 +46,7 @@
 
 #define DP_AUX_I2C_WRITE               0x0
 #define DP_AUX_I2C_READ                        0x1
-#define DP_AUX_I2C_STATUS              0x2
+#define DP_AUX_I2C_WRITE_STATUS_UPDATE 0x2
 #define DP_AUX_I2C_MOT                 0x4
 #define DP_AUX_NATIVE_WRITE            0x8
 #define DP_AUX_NATIVE_READ             0x9
@@ -638,6 +638,13 @@ drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
                (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
 }
 
+static inline bool
+drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+       return dpcd[DP_DPCD_REV] >= 0x12 &&
+               dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
+}
+
 /*
  * DisplayPort AUX channel
  */