From: Ivan Lipski <ivan.lipski@amd.com>
Date: Wed, 29 Apr 2026 18:21:46 +0000 (-0400)
Subject: drm/amd/display: Enable IPS on DCN42
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=d359986a2e06684846ee3c2037405ef1fc130f2d;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: Enable IPS on DCN42

[Why & How]
Fully enable IPS to achieve higher power savings.

Reviewed-by: Sunpeng Li <sunpeng.li@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: James Lin <pinglei.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index ee10a9eb8713f..3ae2f330c6b46 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1870,7 +1870,7 @@ static enum dmub_ips_disable_type dm_get_default_ips_mode(
 		ret =  DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF;
 		break;
 	case IP_VERSION(4, 2, 0):
-		ret =  DMUB_IPS_DISABLE_ALL;
+		ret =  DMUB_IPS_ENABLE;
 		break;
 	default:
 		/* ASICs older than DCN35 do not have IPSs */