The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
Thanks,
Sasha
------------------ original commit in Linus's tree ------------------
>From 194bef0cc1f5ce5e2ca84d366c74be2bd9736aa3 Mon Sep 17 00:00:00 2001
From: Sohaib Nadeem <sohaib.nadeem@xxxxxxx>
Date: Mon, 29 Jan 2024 17:33:40 -0500
Subject: [PATCH] Revert "drm/amd/display: increased min_dcfclk_mhz and
min_fclk_mhz"
[why]:
This reverts commit 2ff33c759a4247c84ec0b7815f1f223e155ba82a.
The commit caused corruption when running some applications in fullscreen
Cc: Mario Limonciello <mario.limonciello@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Alvin Lee <alvin.lee2@xxxxxxx>
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index ba76dd4a2ce29..a0a65e0991041 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -2760,7 +2760,7 @@ static int build_synthetic_soc_states(bool disable_dc_mode_overwrite, struct clk
struct _vcs_dpi_voltage_scaling_st entry = {0};
struct clk_limit_table_entry max_clk_data = {0};
- unsigned int min_dcfclk_mhz = 399, min_fclk_mhz = 599;
+ unsigned int min_dcfclk_mhz = 199, min_fclk_mhz = 299;
static const unsigned int num_dcfclk_stas = 5;
unsigned int dcfclk_sta_targets[DC__VOLTAGE_STATES] = {199, 615, 906, 1324, 1564};
--
2.43.0
