From 8dd45504a7d70a23be6e4415edbac0e197935686 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Tue, 6 Aug 2019 16:14:22 +0800 Subject: [PATCH] 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 Signed-off-by: Evan Quan Reviewed-by: Feifei Xu Signed-off-by: Alex Deucher --- 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 ee739c080943..8c4d3ee0295a 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -908,6 +908,10 @@ 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