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drm/amd/powerplay: disable uclk dpm by default 

[why]
The uclk dpm feature is not supported by some certain navi10
board like 18202, while supported by some board like 18201.
It causes modprobe failure on 18202 board.

[how]
Disabled this feature by default, it can be enabled by module parameter
uclk_dpm_support=1.

Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: tiancyin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
tiancyin 2019-04-29 16:56:16 +08:00 committed by Alex Deucher
parent 863dd269fa
commit 8c3b2d1bc0
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
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@ -273,8 +273,10 @@ navi10_get_allowed_feature_mask(struct smu_context *smu,
| FEATURE_MASK(FEATURE_LED_DISPLAY_BIT) | FEATURE_MASK(FEATURE_LED_DISPLAY_BIT)
| FEATURE_MASK(FEATURE_MMHUB_PG_BIT) | FEATURE_MASK(FEATURE_MMHUB_PG_BIT)
| FEATURE_MASK(FEATURE_ATHUB_PG_BIT) | FEATURE_MASK(FEATURE_ATHUB_PG_BIT)
| FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT) | FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT);
| FEATURE_MASK(FEATURE_DPM_UCLK_BIT)
if (adev->pm.pp_feature & PP_MCLK_DPM_MASK)
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DPM_UCLK_BIT)
| FEATURE_MASK(FEATURE_MEM_VDDCI_SCALING_BIT) | FEATURE_MASK(FEATURE_MEM_VDDCI_SCALING_BIT)
| FEATURE_MASK(FEATURE_MEM_MVDD_SCALING_BIT); | FEATURE_MASK(FEATURE_MEM_MVDD_SCALING_BIT);