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authorAgustin Gutierrez <agustin.gutierrez@amd.com>2022-01-29 01:51:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-03-08 21:12:40 +0300
commited4488d8307f282bdf30c333fc028d80d404ff05 (patch)
treee66f4bfdfc036898f7811e58db9f16f0da290add /drivers/gpu/drm/amd/display
parent07058fb18df8285518236e4625f4f61a4c594703 (diff)
downloadlinux-ed4488d8307f282bdf30c333fc028d80d404ff05.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c16
1 files changed, 8 insertions, 8 deletions
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 3eee32faa208..329ce4e84b83 100644
--- 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,
},
}