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

Evan Quan evan.quan at amd.com
Mon Jan 21 09:46:07 UTC 2019


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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