From: Charlene Liu <Charlene.Liu@amd.com>
Date: Wed, 11 Sep 2024 23:45:09 +0000 (-0400)
Subject: drm/amd/display: avoid set dispclk to 0
X-Git-Tag: v6.12~251^2~3^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c36df0f5f5e5acec5d78f23c4725cc500df28843;p=platform%2Fkernel%2Flinux-amlogic.git

drm/amd/display: avoid set dispclk to 0

[why]
set dispclk to 0 cause stability issue.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1c6b16ebf5eb2bc5740be9e37b3a69f1dfe1dded)
Cc: stable@vger.kernel.org
---

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index da9101b83e8c..70abd32ce2ad 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -766,6 +766,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmub_reallow_idle = false,
 	.static_screen_wait_frames = 2,
 	.notify_dpia_hr_bw = true,
+	.min_disp_clk_khz = 50000,
 };
 
 static const struct dc_panel_config panel_config_defaults = {