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Message-Id: <20200901150959.013289330@linuxfoundation.org>
Date: Tue, 1 Sep 2020 17:10:06 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Evan Quan <evan.quan@....com>,
Alex Deucher <alexander.deucher@....com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 126/214] drm/amd/powerplay: correct Vega20 cached smu feature state
From: Evan Quan <evan.quan@....com>
[ Upstream commit 266d81d9eed30f4994d76a2b237c63ece062eefe ]
Correct the cached smu feature state on pp_features sysfs
setting.
Signed-off-by: Evan Quan <evan.quan@....com>
Acked-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
.../drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 38 +++++++++----------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index f5915308e643a..08b91c31532ba 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -981,27 +981,15 @@ static int vega20_disable_all_smu_features(struct pp_hwmgr *hwmgr)
{
struct vega20_hwmgr *data =
(struct vega20_hwmgr *)(hwmgr->backend);
- uint64_t features_enabled;
- int i;
- bool enabled;
- int ret = 0;
+ int i, ret = 0;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_DisableAllSmuFeatures)) == 0,
"[DisableAllSMUFeatures] Failed to disable all smu features!",
return ret);
- ret = vega20_get_enabled_smc_features(hwmgr, &features_enabled);
- PP_ASSERT_WITH_CODE(!ret,
- "[DisableAllSMUFeatures] Failed to get enabled smc features!",
- return ret);
-
- for (i = 0; i < GNLD_FEATURES_MAX; i++) {
- enabled = (features_enabled & data->smu_features[i].smu_feature_bitmap) ?
- true : false;
- data->smu_features[i].enabled = enabled;
- data->smu_features[i].supported = enabled;
- }
+ for (i = 0; i < GNLD_FEATURES_MAX; i++)
+ data->smu_features[i].enabled = 0;
return 0;
}
@@ -3211,10 +3199,11 @@ static int vega20_get_ppfeature_status(struct pp_hwmgr *hwmgr, char *buf)
static int vega20_set_ppfeature_status(struct pp_hwmgr *hwmgr, uint64_t new_ppfeature_masks)
{
- uint64_t features_enabled;
- uint64_t features_to_enable;
- uint64_t features_to_disable;
- int ret = 0;
+ struct vega20_hwmgr *data =
+ (struct vega20_hwmgr *)(hwmgr->backend);
+ uint64_t features_enabled, features_to_enable, features_to_disable;
+ int i, ret = 0;
+ bool enabled;
if (new_ppfeature_masks >= (1ULL << GNLD_FEATURES_MAX))
return -EINVAL;
@@ -3243,6 +3232,17 @@ static int vega20_set_ppfeature_status(struct pp_hwmgr *hwmgr, uint64_t new_ppfe
return ret;
}
+ /* Update the cached feature enablement state */
+ ret = vega20_get_enabled_smc_features(hwmgr, &features_enabled);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < GNLD_FEATURES_MAX; i++) {
+ enabled = (features_enabled & data->smu_features[i].smu_feature_bitmap) ?
+ true : false;
+ data->smu_features[i].enabled = enabled;
+ }
+
return 0;
}
--
2.25.1
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