From: Saaem Rizvi <syerizvi@amd.com>
Date: Mon, 28 Mar 2022 18:25:16 +0000 (-0400)
Subject: drm/amd/display: Disabling Z10 on DCN31
X-Git-Tag: v5.18.3~805
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cf869503702246593a2a02b47659e49c109efc16;p=thirdparty%2Fkernel%2Fstable.git

drm/amd/display: Disabling Z10 on DCN31

[ Upstream commit 5d5af34072c8b11f60960c3bea57ff9de5877791 ]

[WHY]
Z10 is should not be enabled by default on DCN31.

[HOW]
Using DC debug flags to disable Z10 by default on DCN31.

Reviewed-by: Eric Yang <Eric.Yang2@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Saaem Rizvi <syerizvi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
index 63934ecf6be84..d71e625cc476e 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -1030,6 +1030,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 			.afmt = true,
 		}
 	},
+	.disable_z10 = true,
 	.optimize_edp_link_rate = true,
 	.enable_sw_cntl_psr = true,
 	.apply_vendor_specific_lttpr_wa = true,