[PATCH 5/9] drm: Add offset of PSR2 SU X granularity value

[José Roberto de Souza]

Source is required to comply to sink SU granularity when
DP_PSR2_SU_GRANULARITY_REQUIRED is set in DP_PSR_CAPS,
so adding the register here.

Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
---
 include/drm/drm_dp_helper.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index db516c48cda3..acc7ccfd2044 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -314,6 +314,9 @@
 # define DP_PSR_SETUP_TIME_SHIFT            1
 # define DP_PSR2_SU_Y_COORDINATE_REQUIRED   (1 << 4)  /* eDP 1.4a */
 # define DP_PSR2_SU_GRANULARITY_REQUIRED    (1 << 5)  /* eDP 1.4b */
+
+#define DP_PSR2_SU_X_GRANULARITY	    0x072 /* eDP 1.4b */
+
 /*
  * 0x80-0x8f describe downstream port capabilities, but there are two layouts
  * based on whether DP_DETAILED_CAP_INFO_AVAILABLE was set.  If it was not,
-- 
2.19.1