diff options
author | Kevin Wang <Kevin1.Wang@amd.com> | 2018-12-26 17:36:25 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:03:57 -0500 |
commit | 6b816d7316397b5898609e8da31c33790ef34ea0 (patch) | |
tree | cbfadc85535fccc22aaef81785b2a8b28559c28a /drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | |
parent | f6a6b9526cf0f4247ecc10d8634db8325640fa6e (diff) |
drm/amd/powerplay: implement smu feature functions
each ip will support different smu feature,
the driver use bitmap to management this feature.
bitmap:
-allowed: sw driver to enable & disable some feature when driver init.
-suppored: the feature is supproed.
-enabled: the feature is enabled.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <Ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 3ca3d1cd43d2..f9b254c8dad9 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -29,6 +29,26 @@ #include "smu_v11_0.h" #include "atom.h" +int smu_feature_init_dpm(struct smu_context *smu) +{ + struct smu_feature *feature = &smu->smu_feature; + int ret = 0; + uint32_t unallowed_feature_mask[SMU_FEATURE_MAX/32]; + + bitmap_fill(feature->allowed, SMU_FEATURE_MAX); + + ret = smu_get_unallowed_feature_mask(smu, unallowed_feature_mask, + SMU_FEATURE_MAX/32); + if (ret) + return ret; + + bitmap_andnot(feature->allowed, feature->allowed, + (unsigned long *)unallowed_feature_mask, + feature->feature_num); + + return ret; +} + static int smu_set_funcs(struct amdgpu_device *adev) { struct smu_context *smu = &adev->smu; @@ -133,6 +153,10 @@ static int smu_sw_init(void *handle) return -EINVAL; smu->pool_size = adev->pm.smu_prv_buffer_size; + smu->smu_feature.feature_num = SMU_FEATURE_MAX; + bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX); + bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX); + bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX); ret = smu_init_microcode(smu); if (ret) { @@ -241,6 +265,10 @@ static int smu_smc_table_hw_init(struct smu_context *smu) if (ret) return ret; + ret = smu_feature_set_allowed_mask(smu); + if (ret) + return ret; + ret = smu_read_pptable_from_vbios(smu); if (ret) return ret; @@ -312,6 +340,10 @@ static int smu_smc_table_hw_init(struct smu_context *smu) if (ret) return ret; + ret = smu_feature_enable_all(smu); + if (ret) + return ret; + /* * Set min deep sleep dce fclk with bootup value from vbios via * SetMinDeepSleepDcefclk MSG. @@ -413,6 +445,10 @@ static int smu_hw_init(void *handle) mutex_lock(&smu->mutex); + ret = smu_feature_init_dpm(smu); + if (ret) + goto failed; + ret = smu_smc_table_hw_init(smu); if (ret) goto failed; |