From: Saaem Rizvi <syeri...@amd.com>

[ 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.ya...@amd.com>
Acked-by: Pavle Kotarac <pavle.kota...@amd.com>
Signed-off-by: Saaem Rizvi <syeri...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 1 +
 1 file changed, 1 insertion(+)

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 f3933c9f5746..6966b72eefc6 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,
-- 
2.35.1

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