amdgpu/pm: Prevent force of DCEFCLK on NAVI10 and SIENNA_CICHLID
[ Upstream commit b117b3964f
]
Writing to dcefclk causes the gpu to become unresponsive, and requires a reboot.
Patch ignores a .force_clk_levels(SMU_DCEFCLK) call and issues an
info message.
Signed-off-by: Darren Powell <darren.powell@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pull/350/head^2
parent
d47d0d1a1f
commit
dcbc4e3380
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@ -1110,7 +1110,6 @@ static int navi10_force_clk_levels(struct smu_context *smu,
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case SMU_SOCCLK:
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case SMU_MCLK:
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case SMU_UCLK:
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case SMU_DCEFCLK:
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case SMU_FCLK:
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/* There is only 2 levels for fine grained DPM */
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if (navi10_is_support_fine_grained_dpm(smu, clk_type)) {
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@ -1130,6 +1129,10 @@ static int navi10_force_clk_levels(struct smu_context *smu,
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if (ret)
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return size;
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break;
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case SMU_DCEFCLK:
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dev_info(smu->adev->dev,"Setting DCEFCLK min/max dpm level is not supported!\n");
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break;
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default:
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break;
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}
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@ -1018,7 +1018,6 @@ static int sienna_cichlid_force_clk_levels(struct smu_context *smu,
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case SMU_SOCCLK:
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case SMU_MCLK:
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case SMU_UCLK:
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case SMU_DCEFCLK:
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case SMU_FCLK:
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/* There is only 2 levels for fine grained DPM */
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if (sienna_cichlid_is_support_fine_grained_dpm(smu, clk_type)) {
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@ -1038,6 +1037,9 @@ static int sienna_cichlid_force_clk_levels(struct smu_context *smu,
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if (ret)
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goto forec_level_out;
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break;
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case SMU_DCEFCLK:
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dev_info(smu->adev->dev,"Setting DCEFCLK min/max dpm level is not supported!\n");
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break;
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default:
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break;
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}
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