From: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Date: Mon, 4 May 2026 15:10:51 +0000 (-0400)
Subject: drm/amd/display: Enable dcn42 pstate pmo
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6352e6027307d6bc67f1a9c67db5586f51fee243;p=thirdparty%2Fkernel%2Fstable.git

drm/amd/display: Enable dcn42 pstate pmo

[Why & How]
Set a flag to enable pstate pmo, we want to always allow pstate
support on dcn42

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c
index 1fc457cec293..efe025ca4ed3 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c
@@ -2290,6 +2290,8 @@ static bool dcn42_resource_construct(
 	dc->dml2_options.gpuvm_enable = true;
 	dc->dml2_options.hostvm_enable = true;
 
+	dc->dml2_options.pmo.force_mandatory_uclk_pstate_support = true;
+
 	/* SPL */
 	dc->caps.scl_caps.sharpener_support = true;