Acked-by: Feifei Xu<feifei...@amd.com>

-----Original Message-----
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Evan Quan
Sent: Monday, November 19, 2018 12:20 PM
To: amd-gfx@lists.freedesktop.org
Cc: Quan, Evan <evan.q...@amd.com>
Subject: [PATCH] drm/amd/powerplay: disable Vega20 DS related features

Disable these features on Vega20 for now.

Change-Id: I9e826fca3ed3d8001d1b90787d733ca00edd0f54
Signed-off-by: Evan Quan <evan.q...@amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c 
b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index f2daf00cc911..9a773d8e880d 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -75,7 +75,17 @@ static void vega20_set_default_registry_data(struct pp_hwmgr 
*hwmgr)
        data->phy_clk_quad_eqn_b = PPREGKEY_VEGA20QUADRATICEQUATION_DFLT;
        data->phy_clk_quad_eqn_c = PPREGKEY_VEGA20QUADRATICEQUATION_DFLT;
 
-       data->registry_data.disallowed_features = 0x0;
+       /*
+        * Disable the following features for now:
+        *   GFXCLK DS
+        *   SOCLK DS
+        *   LCLK DS
+        *   DCEFCLK DS
+        *   FCLK DS
+        *   MP1CLK DS
+        *   MP0CLK DS
+        */
+       data->registry_data.disallowed_features = 0xE0041C00;
        data->registry_data.od_state_in_dc_support = 0;
        data->registry_data.thermal_support = 1;
        data->registry_data.skip_baco_hardware = 0;
-- 
2.19.1

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