linux-kernel - FAILED: Patch "Revert "drm/amd/display: increased min_dcfclk_mhz and min_fclk_mhz"" failed to apply to 4.19-stable tree

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Message-ID: <20240327122723.2841874-1-sashal@kernel.org>
Date: Wed, 27 Mar 2024 08:27:23 -0400
From: Sasha Levin <sashal@...nel.org>
To: stable@...r.kernel.org,
	sohaib.nadeem@....com
Cc: Mario Limonciello <mario.limonciello@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Alvin Lee <alvin.lee2@....com>,
	Aurabindo Pillai <aurabindo.pillai@....com>,
	Daniel Wheeler <daniel.wheeler@....com>,
	amd-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: FAILED: Patch "Revert "drm/amd/display: increased min_dcfclk_mhz and min_fclk_mhz"" failed to apply to 4.19-stable tree

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@...r.kernel.org>.

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

>From 194bef0cc1f5ce5e2ca84d366c74be2bd9736aa3 Mon Sep 17 00:00:00 2001
From: Sohaib Nadeem <sohaib.nadeem@....com>
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@....com>
Cc: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@....com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@....com>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@....com>
Tested-by: Daniel Wheeler <daniel.wheeler@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
---
 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