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Message-Id: <20210706111409.2058071-51-sashal@kernel.org>
Date: Tue, 6 Jul 2021 07:11:51 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Alex Deucher <alexander.deucher@....com>,
Lijo Lazar <lijo.lazar@....com>,
Lee Jones <lee.jones@...aro.org>,
Sasha Levin <sashal@...nel.org>, amd-gfx@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 5.13 051/189] drm/amdgpu/swsmu/aldebaran: fix check in is_dpm_running
From: Alex Deucher <alexander.deucher@....com>
[ Upstream commit dd1d82c04e111b5a864638ede8965db2fe6d8653 ]
If smu_cmn_get_enabled_mask() fails, return false to be
consistent with other asics.
Reviewed-by: Lijo Lazar <lijo.lazar@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: Lee Jones <lee.jones@...aro.org>
Reviewed-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index 16ad4683eb69..0d2f61f56f45 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1290,10 +1290,13 @@ static int aldebaran_usr_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_
static bool aldebaran_is_dpm_running(struct smu_context *smu)
{
- int ret = 0;
+ int ret;
uint32_t feature_mask[2];
unsigned long feature_enabled;
+
ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+ if (ret)
+ return false;
feature_enabled = (unsigned long)((uint64_t)feature_mask[0] |
((uint64_t)feature_mask[1] << 32));
return !!(feature_enabled & SMC_DPM_FEATURE);
--
2.30.2
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