From: Leo Chen <sancchen@amd.com>
Date: Tue, 11 Apr 2023 10:49:38 -0400
Subject: [PATCH] drm/amd/display: Lowering min Z8 residency time
References: bsc#1012628
Patch-mainline: 6.3.3
Git-commit: d893f39320e1248d1c97fde0d6e51e5ea008a76b
[ Upstream commit d893f39320e1248d1c97fde0d6e51e5ea008a76b ]
[Why & How]
Per HW team request, we're lowering the minimum Z8
residency time to 2000us. This enables Z8 support for additional
modes we were previously blocking like 2k>60hz
Cc: stable@vger.kernel.org
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Leo Chen <sancchen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index 33d8188d..30129fb9 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -887,7 +887,7 @@ static const struct dc_plane_cap plane_cap = {
static const struct dc_debug_options debug_defaults_drv = {
.disable_z10 = false,
.enable_z9_disable_interface = true,
- .minimum_z8_residency_time = 3080,
+ .minimum_z8_residency_time = 2000,
.psr_skip_crtc_disable = true,
.disable_dmcu = true,
.force_abm_enable = false,
--
2.35.3