From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <jose.souza@intel.com>
Date: Fri, 16 Mar 2018 18:38:28 -0700
Subject: drm: Add PSR version 3 macro
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Git-commit: c5fe47327b067432ef944714ce66ce75bb85749f
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

eDP 1.4a specification defines PSR version 3, it PSR2 with the
addition of Y-coordinate support when doing selective update.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180317013828.24182-1-jose.souza@intel.com

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 include/drm/drm_dp_helper.h |    1 +
 1 file changed, 1 insertion(+)

--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -288,6 +288,7 @@
 #define DP_PSR_SUPPORT                      0x070   /* XXX 1.2? */
 # define DP_PSR_IS_SUPPORTED                1
 # define DP_PSR2_IS_SUPPORTED		    2	    /* eDP 1.4 */
+# define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED  3	    /* eDP 1.4a */
 
 #define DP_PSR_CAPS                         0x071   /* XXX 1.2? */
 # define DP_PSR_NO_TRAIN_ON_EXIT            1