[PATCH 2/2] drm/amd/powerplay: run btc before enabling all SMU features

[Deucher, Alexander]

Series is:

Acked-by: Alex Deucher <alexander.deucher at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Evan Quan <evan.quan at amd.com>
Sent: Monday, January 21, 2019 4:46:07 AM
To: amd-gfx at lists.freedesktop.org
Cc: Quan, Evan
Subject: [PATCH 2/2] drm/amd/powerplay: run btc before enabling all SMU features

BTC is needed before enabling all SMU features.

Change-Id: Ic717226528f4d09a58264524b2d8e67150a35da7
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 60a22d8da7f0..5085b3636f8e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -804,6 +804,11 @@ static int vega20_set_allowed_featuresmask(struct pp_hwmgr *hwmgr)
         return 0;
 }

+static int vega20_run_btc(struct pp_hwmgr *hwmgr)
+{
+       return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunBtc);
+}
+
 static int vega20_run_btc_afll(struct pp_hwmgr *hwmgr)
 {
         return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAfllBtc);
@@ -1565,6 +1570,11 @@ static int vega20_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
                         "[EnableDPMTasks] Failed to initialize SMC table!",
                         return result);

+       result = vega20_run_btc(hwmgr);
+       PP_ASSERT_WITH_CODE(!result,
+                       "[EnableDPMTasks] Failed to run btc!",
+                       return result);
+
         result = vega20_run_btc_afll(hwmgr);
         PP_ASSERT_WITH_CODE(!result,
                         "[EnableDPMTasks] Failed to run btc afll!",
--
2.20.1

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