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From 0e0f7c9591c5808ddd116f7c95eda56435f21229 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Tue, 6 Aug 2019 16:14:22 +0800
Subject: [PATCH 3314/4256] drm/amd/powerplay: check before issuing messages
for max sustainable clocks
Those messages are not supported on Arcturus and should not be
issued.
Affected ASIC: Arcturus
Change-Id: I391099fc28e00356234fd2ae7b68f5861fd4c147
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 84eb14a6650f..2ddb4ec75305 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -905,6 +905,10 @@ smu_v11_0_get_max_sustainable_clock(struct smu_context *smu, uint32_t *clock,
if (!smu->pm_enabled)
return ret;
+ if ((smu_msg_get_index(smu, SMU_MSG_GetDcModeMaxDpmFreq) < 0) ||
+ (smu_msg_get_index(smu, SMU_MSG_GetMaxDpmFreq) < 0))
+ return 0;
+
clk_id = smu_clk_get_index(smu, clock_select);
if (clk_id < 0)
return -EINVAL;
--
2.17.1
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