drm/amd/display: Update watermark values for DCN301

[ Upstream commit 2d8ae25d233767171942a9fba5fd8f4a620996be ]

[Why]
There is underflow / visual corruption DCN301, for high
bandwidth MST DSC configurations such as 2x1440p144 or 2x4k60.

[How]
Use up-to-date watermark values for DCN301.

Reviewed-by: Zhan Liu <zhan.liu@amd.com>
Signed-off-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
index 3eee32f..329ce4e 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
@@ -582,32 +582,32 @@ static struct wm_table lpddr5_wm_table = {
                        .wm_inst = WM_A,
                        .wm_type = WM_TYPE_PSTATE_CHG,
                        .pstate_latency_us = 11.65333,
-                       .sr_exit_time_us = 7.95,
-                       .sr_enter_plus_exit_time_us = 9,
+                       .sr_exit_time_us = 13.5,
+                       .sr_enter_plus_exit_time_us = 16.5,
                        .valid = true,
                },
                {
                        .wm_inst = WM_B,
                        .wm_type = WM_TYPE_PSTATE_CHG,
                        .pstate_latency_us = 11.65333,
-                       .sr_exit_time_us = 9.82,
-                       .sr_enter_plus_exit_time_us = 11.196,
+                       .sr_exit_time_us = 13.5,
+                       .sr_enter_plus_exit_time_us = 16.5,
                        .valid = true,
                },
                {
                        .wm_inst = WM_C,
                        .wm_type = WM_TYPE_PSTATE_CHG,
                        .pstate_latency_us = 11.65333,
-                       .sr_exit_time_us = 9.89,
-                       .sr_enter_plus_exit_time_us = 11.24,
+                       .sr_exit_time_us = 13.5,
+                       .sr_enter_plus_exit_time_us = 16.5,
                        .valid = true,
                },
                {
                        .wm_inst = WM_D,
                        .wm_type = WM_TYPE_PSTATE_CHG,
                        .pstate_latency_us = 11.65333,
-                       .sr_exit_time_us = 9.748,
-                       .sr_enter_plus_exit_time_us = 11.102,
+                       .sr_exit_time_us = 13.5,
+                       .sr_enter_plus_exit_time_us = 16.5,
                        .valid = true,
                },
        }