From: Austin Zheng <Austin.Zheng@amd.com>
Date: Tue, 30 Sep 2025 19:32:03 +0000 (-0500)
Subject: drm/amd/display: Add Pstate viewport reduction
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=717b836c27d9a4d5bcaae74fa83f7b3312d45620;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: Add Pstate viewport reduction

[Why/How]
Add struct to hold calculated reduced viewport pstate
recout reduction lines per plane

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Austin Zheng <Austin.Zheng@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h
index d2584b00a19c7..452e4a2e72c01 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h
@@ -676,6 +676,8 @@ struct dml2_display_cfg_programming {
 			unsigned int PrefetchMode[DML2_MAX_PLANES]; // LEGACY_ONLY
 			bool ROBUrgencyAvoidance;
 			double LowestPrefetchMargin;
+
+			unsigned int pstate_recout_reduction_lines[DML2_MAX_PLANES];
 		} misc;
 
 		struct dml2_mode_support_info mode_support_info;