From: Saaem Rizvi syerizvi@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.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 --- 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,